creating tag page tags/person

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 10a547f1ec979ff508a74b175e2d07a09b14a1bd..7fa3180f56259753a4292b4d8846e60eeb901684 100755 (executable)
--- a/mr
+++ b/mr
@@ -1,8 +1,8 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl

 
 =head1 NAME
 
 
 =head1 NAME
 

-mr - a Multiple Repository management tool
+mr - a tool to manage all your version control repos

 
 =head1 SYNOPSIS
 
 
 =head1 SYNOPSIS
 


@@ -12,23 +12,29 @@ B<mr> [options] update
 
 B<mr> [options] status
 
 
 B<mr> [options] status
 

+B<mr> [options] clean [-f]
+

 B<mr> [options] commit [-m "message"]
 
 B<mr> [options] record [-m "message"]
 
 B<mr> [options] commit [-m "message"]
 
 B<mr> [options] record [-m "message"]
 

+B<mr> [options] fetch
+

 B<mr> [options] push
 
 B<mr> [options] diff
 
 B<mr> [options] log
 
 B<mr> [options] push
 
 B<mr> [options] diff
 
 B<mr> [options] log
 

+B<mr> [options] grep pattern
+

 B<mr> [options] run command [param ...]
 
 B<mr> [options] run command [param ...]
 

-B<mr> [options] bootstrap url [directory]
+B<mr> [options] bootstrap src [directory]

 
 B<mr> [options] register [repository]
 
 
 B<mr> [options] register [repository]
 

-B<mr> [options] config section ["parameter=[value]" ...]
+B<mr> [options] config section ["setting=[value]" ...]

 
 B<mr> [options] action [params ...]
 
 
 B<mr> [options] action [params ...]
 


@@ -38,11 +44,11 @@ B<mr> [options] remember action [params ...]
 
 =head1 DESCRIPTION
 
 
 =head1 DESCRIPTION
 

-B<mr> is a Multiple Repository management tool. It can checkout, update, or
-perform other actions on a set of repositories as if they were one combined
-repository. It supports any combination of subversion, git, cvs, mercurial,
-bzr, darcs and fossil repositories, and support for other revision
-control systems can easily be added.
+B<mr> is a tool to manage all your version control repos. It can checkout,
+update, or perform other actions on a set of repositories as if they were
+one combined repository. It supports any combination of subversion, git,
+cvs, mercurial, bzr, darcs, fossil and veracity repositories, and support
+for other version control systems can easily be added.

 
 B<mr> cds into and operates on all registered repositories at or below your
 working directory. Or, if you are in a subdirectory of a repository that
 
 B<mr> cds into and operates on all registered repositories at or below your
 working directory. Or, if you are in a subdirectory of a repository that


@@ -55,7 +61,7 @@ in turn chain load .mrconfig files from repositories. It also automatically
 looks for a .mrconfig file in the current directory, or in one of its
 parent directories.
 
 looks for a .mrconfig file in the current directory, or in one of its
 parent directories.
 

-These predefined commands should be fairly familiar to users of any revision
+These predefined commands should be fairly familiar to users of any version

 control system:
 
 =over 4
 control system:
 
 =over 4


@@ -73,7 +79,14 @@ If a repository isn't checked out yet, it will first check it out.
 =item status
 
 Displays a status report for each repository, showing what
 =item status
 
 Displays a status report for each repository, showing what

-uncommitted changes are present in the repository.
+uncommitted changes are present in the repository. For distributed version
+control systems, also shows unpushed local branches.
+
+=item clean
+
+Print ignored files, untracked files and other cruft in the working directory.
+
+The optional -f parameter allows removing the files as well as printing them.

 
 =item commit (or ci)
 
 
 =item commit (or ci)
 


@@ -87,14 +100,20 @@ The optional -m parameter allows specifying a commit message.
 =item record
 
 Records changes to the local repository, but does not push them to the
 =item record
 
 Records changes to the local repository, but does not push them to the

-remote repository. Only supported for distributed revision control systems.
+remote repository. Only supported for distributed version control systems.

 
 The optional -m parameter allows specifying a commit message.
 
 
 The optional -m parameter allows specifying a commit message.
 

+=item fetch
+
+Fetches from each repository's remote repository, but does not
+update the working copy. Only supported for some distributed version
+control systems.
+

 =item push
 
 Pushes committed local changes to the remote repository. A no-op for
 =item push
 
 Pushes committed local changes to the remote repository. A no-op for

-centralized revision control systems.
+centralized version control systems.

 
 =item diff
 
 
 =item diff
 


@@ -104,6 +123,11 @@ Show a diff of uncommitted changes.
 
 Show the commit log.
 
 
 Show the commit log.
 

+=item grep pattern
+
+Searches for a pattern in each repository using the grep subcommand. Uses
+ack-grep on VCS that do not have their own.
+

 =item run command [param ...]
 
 Runs the specified command in each repository.
 =item run command [param ...]
 
 Runs the specified command in each repository.


@@ -114,15 +138,39 @@ These commands are also available:
 
 =over 4
 
 
 =over 4
 

-=item bootstrap url [directory]
+=item bootstrap src [directory]
+
+Causes mr to retrieve the source C<src> and use it as a .mrconfig file to
+checkout the repositories listed in it, into the specified directory.
+
+B<mr> understands several types of sources:
+
+=over 4
+
+=item URL for curl
+
+C<src> may be an URL understood by B<curl>.
+
+=item copy via ssh
+
+To use B<scp> to download, the C<src> may have the form
+C<ssh://[user@]host:file>.
+
+=item local file
+
+You can retrieve the config file by other means and pass its B<path> as C<src>.
+
+=item standard input
+
+If source C<src> consists in a single dash C<->, config file is read from
+standard input.

 
 

-Causes mr to download the url, and use it as a .mrconfig file
-to checkout the repositories listed in it, into the specified directory.
+=back

 
 The directory will be created if it does not exist. If no directory is
 specified, the current directory will be used.
 
 
 The directory will be created if it does not exist. If no directory is
 specified, the current directory will be used.
 

-If the .mrconfig file includes a repository named ".", that
+As a special case, if source C<src> includes a repository named ".", that

 is checked out into the top of the specified directory.
 
 =item list (or ls)
 is checked out into the top of the specified directory.
 
 =item list (or ls)


@@ -142,8 +190,8 @@ looking for the closest known one at or in a parent of the current directory.
 
 Adds, modifies, removes, or prints a value from a mrconfig file. The next
 parameter is the name of the section the value is in. To add or modify
 
 Adds, modifies, removes, or prints a value from a mrconfig file. The next
 parameter is the name of the section the value is in. To add or modify

-values, use one or more instances of "parameter=value". Use "parameter=" to
-remove a parameter. Use just "parameter" to get the value of a parameter.
+values, use one or more instances of "setting=value". Use "setting=" to
+remove a setting. Use just "setting" to get the value of a that setting.

 
 For example, to add (or edit) a repository in src/foo:
 
 
 For example, to add (or edit) a repository in src/foo:
 


@@ -189,8 +237,8 @@ Actions can be abbreviated to any unambiguous substring, so
 update"
 
 Additional parameters can be passed to most commands, and are passed on
 update"
 
 Additional parameters can be passed to most commands, and are passed on

-unchanged to the underlying revision control system. This is mostly useful
-if the repositories mr will act on all use the same revision control
+unchanged to the underlying version control system. This is mostly useful
+if the repositories mr will act on all use the same version control

 system.
 
 =head1 OPTIONS
 system.
 
 =head1 OPTIONS


@@ -208,21 +256,35 @@ the current working directory.
 
 =item --config mrconfig
 
 
 =item --config mrconfig
 

-Use the specified mrconfig file. The default is to use both B<~/.mrconfig>
-as well as look for a .mrconfig file in the current directory, or in one
+Use the specified mrconfig file. The default is to use both F<~/.mrconfig>
+as well as look for a F<.mrconfig> file in the current directory, or in one

 of its parent directories.
 
 of its parent directories.
 

+=item -f
+
+=item --force
+
+Force mr to act on repositories that would normally be skipped due to their
+configuration.
+

 =item -v
 
 =item --verbose
 
 Be verbose.
 
 =item -v
 
 =item --verbose
 
 Be verbose.
 

+=item -m
+
+=item --minimal
+
+Minimise output. If a command fails or there is any output then the usual
+output will be shown.
+

 =item -q
 
 =item --quiet
 
 =item -q
 
 =item --quiet
 

-Be quiet. This supresses mr's usual output, as well as any output from
+Be quiet. This suppresses mr's usual output, as well as any output from

 commands that are run (including stderr output). If a command fails,
 the output will be shown.
 
 commands that are run (including stderr output). If a command fails,
 the output will be shown.
 


@@ -274,7 +336,7 @@ a good speedup in updates without loading the machine too much.
 
 =item --trust-all
 
 
 =item --trust-all
 

-Trust all mrconfig files even if they are not listed in ~/.mrtrust.
+Trust all mrconfig files even if they are not listed in F<~/.mrtrust>.

 Use with caution.
 
 =item -p
 Use with caution.
 
 =item -p


@@ -287,10 +349,10 @@ This obsolete flag is ignored.
 
 =head1 MRCONFIG FILES
 
 
 =head1 MRCONFIG FILES
 

-Here is an example .mrconfig file:
+Here is an example F<.mrconfig> file:

 
   [src]
 
   [src]

-  checkout = svn co svn://svn.example.com/src/trunk src
+  checkout = svn checkout svn://svn.example.com/src/trunk src

   chain = true
 
   [src/linux-2.6]
   chain = true
 
   [src/linux-2.6]


@@ -298,14 +360,14 @@ Here is an example .mrconfig file:
        cd linux-2.6 &&
        git checkout -b mybranch origin/master
 
        cd linux-2.6 &&
        git checkout -b mybranch origin/master
 

-The .mrconfig file uses a variant of the INI file format. Lines starting with
-"#" are comments. Values can be continued to the following line by
-indenting the line with whitespace.
+The F<.mrconfig> file uses a variant of the INI file format. Lines
+starting with "#" are comments. Values can be continued to the
+following line by indenting the line with whitespace.

 
 

-The "DEFAULT" section allows setting default values for the sections that
+The C<DEFAULT> section allows setting default values for the sections that

 come after it.
 
 come after it.
 

-The "ALIAS" section allows adding aliases for actions. Each parameter
+The C<ALIAS> section allows adding aliases for actions. Each setting

 is an alias, and its value is the action to use.
 
 All other sections add repositories. The section header specifies the
 is an alias, and its value is the action to use.
 
 All other sections add repositories. The section header specifies the


@@ -313,49 +375,69 @@ directory where the repository is located. This is relative to the directory
 that contains the mrconfig file, but you can also choose to use absolute
 paths. (Note that you can use environment variables in section names; they
 will be passed through the shell for expansion. For example, 
 that contains the mrconfig file, but you can also choose to use absolute
 paths. (Note that you can use environment variables in section names; they
 will be passed through the shell for expansion. For example, 

-"[$HOSTNAME]", or "[${HOSTNAME}foo]")
+C<[$HOSTNAME]>, or C<[${HOSTNAME}foo]>).

 
 

-Within a section, each parameter defines a shell command to run to handle a
+Within a section, each setting defines a shell command to run to handle a

 given action. mr contains default handlers for "update", "status",
 given action. mr contains default handlers for "update", "status",

-"commit", and other standard actions. Normally you only need to specify what
-to do for "checkout".
+"commit", and other standard actions.
+
+Normally you only need to specify what to do for "checkout". Here you
+specify the command to run in order to create a checkout of the repository.
+The command will be run in the parent directory, and must create the
+repository's directory. So use C<git clone>, C<svn checkout>, C<bzr branch>
+or C<bzr checkout> (for a bound branch), etc.

 
 

-Note that these shell commands are run in a "set -e" shell
+Note that these shell commands are run in a C<set -e> shell

 environment, where any additional parameters you pass are available in
 environment, where any additional parameters you pass are available in

-"$@". The "checkout" command is run in the parent of the repository
-directory, since the repository isn't checked out yet. All other commands
-are run inside the repository, though not necessarily at the top of it.
+C<$@>. All commands other than "checkout" are run inside the repository,
+though not necessarily at the top of it.

 
 

-The "MR_REPO" environment variable is set to the path to the top of the
+The C<MR_REPO> environment variable is set to the path to the top of the

 repository. (For the "register" action, "MR_REPO" is instead set to the 
 basename of the directory that should be created when checking the
 repository out.)
 
 repository. (For the "register" action, "MR_REPO" is instead set to the 
 basename of the directory that should be created when checking the
 repository out.)
 

-The "MR_CONFIG" environment variable is set to the .mrconfig file
+The C<MR_CONFIG> environment variable is set to the .mrconfig file

 that defines the repo being acted on, or, if the repo is not yet in a config
 that defines the repo being acted on, or, if the repo is not yet in a config

-file, the .mrconfig file that should be modified to register the repo.
+file, the F<.mrconfig> file that should be modified to register the repo.
+
+The C<MR_ACTION> environment variable is set to the command being run
+(update, checkout, etc).

 
 

-A few parameters have special meanings:
+A few settings have special meanings:

 
 =over 4
 
 =item skip
 
 
 =over 4
 
 =item skip
 

-If the "skip" parameter is set and its command returns true, then B<mr>
+If "skip" is set and its command returns true, then B<mr>

 will skip acting on that repository. The command is passed the action
 will skip acting on that repository. The command is passed the action

-name in $1.
+name in C<$1>.

 
 Here are two examples. The first skips the repo unless
 mr is run by joey. The second uses the hours_since function
 (included in mr's built-in library) to skip updating the repo unless it's
 been at least 12 hours since the last update.
 
 
 Here are two examples. The first skips the repo unless
 mr is run by joey. The second uses the hours_since function
 (included in mr's built-in library) to skip updating the repo unless it's
 been at least 12 hours since the last update.
 

+  [mystuff]
+  checkout = ...

   skip = test `whoami` != joey
   skip = test `whoami` != joey

+
+  [linux]
+  checkout = ...

   skip = [ "$1" = update ] && ! hours_since "$1" 12
   skip = [ "$1" = update ] && ! hours_since "$1" 12

+ 
+Another way to use skip is for a lazy checkout. This makes mr skip
+operating on a repo unless it already exists. To enable the 
+repo, you have to explicitly check it out (using "mr --force -d foo checkout").
+
+  [foo]
+  checkout = ...
+  skip = lazy

 
 =item order
 
 
 =item order
 

-The "order" parameter can be used to override the default ordering of
+The "order" setting can be used to override the default ordering of

 repositories. The default order value is 10. Use smaller values to make
 repositories be processed earlier, and larger values to make repositories
 be processed later.
 repositories. The default order value is 10. Use smaller values to make
 repositories be processed earlier, and larger values to make repositories
 be processed later.


@@ -365,79 +447,101 @@ repository, ordering it to be processed earlier is not recommended.
 
 =item chain
 
 
 =item chain
 

-If the "chain" parameter is set and its command returns true, then B<mr>
-will try to load a .mrconfig file from the root of the repository.
+If "chain" is set and its command returns true, then B<mr>
+will try to load a F<.mrconfig> file from the root of the repository.

 
 =item include
 
 
 =item include
 

-If the "include" parameter is set, its command is ran, and should output
+If "include" is set, its command is ran, and should output

 additional mrconfig file content. The content is included as if it were
 part of the including file.
 
 additional mrconfig file content. The content is included as if it were
 part of the including file.
 

-Unlike all other parameters, this parameter does not need to be placed
-within a section.
+Unlike everything else, "include" does not need to be placed within a section.
+
+B<mr> ships several libraries that can be included to add support for
+additional version control type things (unison, git-svn, git-fake-bare,
+git-subtree). To include them all, you could use:
+
+  include = cat /usr/share/mr/*
+
+See the individual files for details.

 
 =item deleted
 
 
 =item deleted
 

-If the "deleted" parameter is set and its command returns true, then
+If "deleted" is set and its command returns true, then

 B<mr> will treat the repository as deleted. It won't ever actually delete
 the repository, but it will warn if it sees the repository's directory.
 B<mr> will treat the repository as deleted. It won't ever actually delete
 the repository, but it will warn if it sees the repository's directory.

-This is useful when one mrconfig file is shared amoung multiple machines,
+This is useful when one mrconfig file is shared among multiple machines,

 to keep track of and remember to delete old repositories.
 
 =item lib
 
 to keep track of and remember to delete old repositories.
 
 =item lib
 

-The "lib" parameter can specify some shell code that will be run before each
-command, this can be a useful way to define shell functions for other commands
-to use.
+The "lib" setting can contain some shell code that will be run
+before each command, this can be a useful way to define shell
+functions for other commands to use. 
+
+Unlike most other settings, this can be specified multiple times, in
+which case the chunks of shell code are accumulatively concatenated
+together.

 
 =item fixups
 
 
 =item fixups
 

-If the "fixups" parameter is set, its command is run whenever a repository
+If "fixups" is set, its command is run whenever a repository

 is checked out, or updated. This provides an easy way to do things
 like permissions fixups, or other tweaks to the repository content,
 whenever the repository is changed.
 
 is checked out, or updated. This provides an easy way to do things
 like permissions fixups, or other tweaks to the repository content,
 whenever the repository is changed.
 

+=item VCS_action
+
+When looking for a command to run for a given action, mr first looks for
+a setting with the same name as the action. If that is not found, it
+looks for a setting named "VCS_action" (substituting in the name of the
+version control system and the action).
+
+Internally, mr has settings for "git_update", "svn_update", etc. To change
+the action that is performed for a given version control system, you can
+override these VCS specific actions. To add a new version control system,
+you can just add VCS specific actions for it.
+

 =item pre_ and post_
 
 =item pre_ and post_
 

-If a "pre_action" parameter is set, its command is run before mr performs the
-specified action. Similarly, "post_action" parameters are run after mr
+If "pre_action" is set, its command is run before mr performs the
+specified action. Similarly, "post_action" commands are run after mr

 successfully performs the specified action. For example, "pre_commit" is
 run before committing; "post_update" is run after updating.
 
 successfully performs the specified action. For example, "pre_commit" is
 run before committing; "post_update" is run after updating.
 

-=back
+=item _append

 
 

-When looking for a command to run for a given action, mr first looks for
-a parameter with the same name as the action. If that is not found, it
-looks for a parameter named "rcs_action" (substituting in the name of the
-revision control system and the action). The name of the revision control
-system is itself determined by running each defined "rcs_test" action,
-until one succeeds.
+Any setting can be suffixed with C<_append>, to add an additional value
+to the existing value of the setting. In this way, actions 
+can be constructed accumulatively.

 
 

-Internally, mr has settings for "git_update", "svn_update", etc. To change
-the action that is performed for a given revision control system, you can
-override these rcs specific actions. To add a new revision control system,
-you can just add rcs specific actions for it.
+=item VCS_test
+
+The name of the version control system is itself determined by
+running each defined "VCS_test" action, until one succeeds.
+
+=back

 
 =head1 UNTRUSTED MRCONFIG FILES
 
 Since mrconfig files can contain arbitrary shell commands, they can do
 anything. This flexibility is good, but it also allows a malicious mrconfig
 file to delete your whole home directory. Such a file might be contained
 
 =head1 UNTRUSTED MRCONFIG FILES
 
 Since mrconfig files can contain arbitrary shell commands, they can do
 anything. This flexibility is good, but it also allows a malicious mrconfig
 file to delete your whole home directory. Such a file might be contained

-inside a repository that your main ~/.mrconfig checks out. To
+inside a repository that your main F<~/.mrconfig> checks out. To

 avoid worries about evil commands in a mrconfig file, mr defaults to
 avoid worries about evil commands in a mrconfig file, mr defaults to

-reading all mrconfig files other than the main ~/.mrconfig in untrusted
+reading all mrconfig files other than the main F<~/.mrconfig> in untrusted

 mode. In untrusted mode, mrconfig files are limited to running only known
 safe commands (like "git clone") in a carefully checked manner.
 
 mode. In untrusted mode, mrconfig files are limited to running only known
 safe commands (like "git clone") in a carefully checked manner.
 

-To configure mr to trust other mrconfig files, list them in ~/.mrtrust.
+To configure mr to trust other mrconfig files, list them in F<~/.mrtrust>.

 One mrconfig file should be listed per line. Either the full pathname
 One mrconfig file should be listed per line. Either the full pathname

-should be listed, or the pathname can start with "~/" to specify a file
+should be listed, or the pathname can start with F<~/> to specify a file

 relative to your home directory.
 
 =head1 OFFLINE LOG FILE
 
 relative to your home directory.
 
 =head1 OFFLINE LOG FILE
 

-The ~/.mrlog file contains commands that mr has remembered to run later,
+The F<~/.mrlog> file contains commands that mr has remembered to run later,

 due to being offline. You can delete or edit this file to remove commands,
 or even to add other commands for 'mr online' to run. If the file is
 present, mr assumes it is in offline mode.
 due to being offline. You can delete or edit this file to remove commands,
 or even to add other commands for 'mr online' to run. If the file is
 present, mr assumes it is in offline mode.


@@ -445,7 +549,7 @@ present, mr assumes it is in offline mode.
 =head1 EXTENSIONS
 
 mr can be extended to support things such as unison and git-svn. Some
 =head1 EXTENSIONS
 
 mr can be extended to support things such as unison and git-svn. Some

-files providing such extensions are available in /usr/share/mr/. See
+files providing such extensions are available in F</usr/share/mr/>. See

 the documentation in the files for details about using them.
 
 =head1 EXIT STATUS
 the documentation in the files for details about using them.
 
 =head1 EXIT STATUS


@@ -458,7 +562,7 @@ Copyright 2007-2011 Joey Hess <joey@kitenet.net>
 
 Licensed under the GNU GPL version 2 or higher.
 
 
 Licensed under the GNU GPL version 2 or higher.
 

-http://kitenet.net/~joey/code/mr/
+http://myrepos.branchable.com/

 
 =cut
 
 
 =cut
 


@@ -478,8 +582,10 @@ use constant {
 # configurables
 my $config_overridden=0;
 my $verbose=0;
 # configurables
 my $config_overridden=0;
 my $verbose=0;

+my $minimal=0;

 my $quiet=0;
 my $stats=0;
 my $quiet=0;
 my $stats=0;

+my $force=0;

 my $insecure=0;
 my $interactive=0;
 my $max_depth;
 my $insecure=0;
 my $interactive=0;
 my $max_depth;


@@ -487,7 +593,9 @@ my $no_chdir=0;
 my $jobs=1;
 my $trust_all=0;
 my $directory=getcwd();
 my $jobs=1;
 my $trust_all=0;
 my $directory=getcwd();

+my $terminal=-t STDOUT && eval{require IO::Pty::Easy;IO::Pty::Easy->import();1;};

 
 

+my $HOME_MR_CONFIG = "$ENV{HOME}/.mrconfig";

 $ENV{MR_CONFIG}=find_mrconfig();
 
 # globals :-(
 $ENV{MR_CONFIG}=find_mrconfig();
 
 # globals :-(


@@ -499,41 +607,106 @@ my (@ok, @failed, @skipped);
 
 main();
 
 
 main();
 

-my %rcs;
-sub rcs_test {
+sub shellquote {
+       my $i=shift;
+       $i=~s/'/'"'"'/g;
+       return "'$i'";
+}
+
+# Runs a shell command using a supplied function.
+# The lib will be included in the shell command line, and any params
+# will be available in the shell as $1, $2, etc.
+my $lastlib;
+sub runsh {
+       my ($action, $topdir, $subdir, $command, $params, $runner) = @_;
+
+       # optimisation: avoid running the shell for true and false
+       if ($command =~ /^\s*true\s*$/) {
+               $?=0;
+               return 0;
+       }
+       elsif ($command =~ /^\s*false\s*$/) {
+               $?=0;
+               return 1;
+       }
+       
+       my $quotedparams=join(" ", (map { shellquote($_) } @$params));
+       my $lib=exists $config{$topdir}{$subdir}{lib} ?
+                      $config{$topdir}{$subdir}{lib}."\n" : "";
+       if ($verbose && (! defined $lastlib || $lastlib ne $lib)) {
+               print "mr library now: >>$lib<<\n";
+               $lastlib=$lib;
+       }
+       my $shellcode="set -e;".$lib.
+               "my_sh(){ $command\n }; my_sh $quotedparams";
+       print "mr $action: running $action >>$command<<\n" if $verbose;
+       $runner->($shellcode);
+}
+
+my %perl_cache;
+sub perl {
+       my $id=shift;
+       my $s=shift;
+       if ($s =~ m/^perl:\s+(.*)/s) {
+               return $perl_cache{$1} if exists $perl_cache{$1};
+               my $sub=eval "sub {$1}";
+               if (! defined $sub) {
+                       print STDERR "mr: bad perl code in $id: $@\n";
+               }
+               return $perl_cache{$1} = $sub;
+       }
+       return undef;
+}
+
+my %vcs;
+sub vcs_test {

        my ($action, $dir, $topdir, $subdir) = @_;
 
        my ($action, $dir, $topdir, $subdir) = @_;
 

-       if (exists $rcs{$dir}) {
-               return $rcs{$dir};
+       if (exists $vcs{$dir}) {
+               return $vcs{$dir};

        }
 
        }
 

-       my $test="set -e\n";
-       foreach my $rcs_test (
+       my $test="";
+       my %perltest;
+       foreach my $vcs_test (

                        sort {
                                length $a <=> length $b 
                                          ||
                                       $a cmp $b
                        } grep { /_test$/ } keys %{$config{$topdir}{$subdir}}) {
                        sort {
                                length $a <=> length $b 
                                          ||
                                       $a cmp $b
                        } grep { /_test$/ } keys %{$config{$topdir}{$subdir}}) {

-               my ($rcs)=$rcs_test=~/(.*)_test/;
-               $test="my_$rcs_test() {\n$config{$topdir}{$subdir}{$rcs_test}\n}\n".$test;
-               $test.="if my_$rcs_test; then echo $rcs; fi\n";
+               my ($vcs)=$vcs_test =~ /(.*)_test/;
+               my $p=perl($vcs_test, $config{$topdir}{$subdir}{$vcs_test});
+               if (defined $p) {
+                       $perltest{$vcs}=$p;
+               }
+               else {
+                       $test="my_$vcs_test() {\n$config{$topdir}{$subdir}{$vcs_test}\n}\n".$test;
+                       $test.="if my_$vcs_test; then echo $vcs; fi\n";
+               }

        }
        }

-       $test=$config{$topdir}{$subdir}{lib}."\n".$test
-               if exists $config{$topdir}{$subdir}{lib};
-       
-       print "mr $action: running rcs test >>$test<<\n" if $verbose;
-       my $rcs=`$test`;
-       chomp $rcs;
-       if ($rcs=~/\n/s) {
-               $rcs=~s/\n/, /g;
-               print STDERR "mr $action: found multiple possible repository types ($rcs) for ".fulldir($topdir, $subdir)."\n";
+
+       my @vcs;
+       foreach my $vcs (keys %perltest) {
+               if ($perltest{$vcs}->()) {
+                       push @vcs, $vcs;
+               }
+       }
+
+       push @vcs, split(/\n/,
+               runsh("vcs test", $topdir, $subdir, $test, [], sub {
+                       my $sh=shift;
+                       my $ret=`$sh`;
+                       return $ret;
+               })) if length $test;
+       if (@vcs > 1) {
+               print STDERR "mr $action: found multiple possible repository types (@vcs) for ".fulldir($topdir, $subdir)."\n";

                return undef;
        }
                return undef;
        }

-       if (! length $rcs) {
-               return $rcs{$dir}=undef;
+       if (! @vcs) {
+               return $vcs{$dir}=undef;

        }
        else {
        }
        else {

-               return $rcs{$dir}=$rcs;
+               return $vcs{$dir}=$vcs[0];

        }
 }
        
        }
 }
        


@@ -548,11 +721,11 @@ sub findcommand {
                return undef;
        }
 
                return undef;
        }
 

-       my $rcs=rcs_test(@_);
+       my $vcs=vcs_test(@_);

 
 

-       if (defined $rcs && 
-           exists $config{$topdir}{$subdir}{$rcs."_".$action}) {
-               return $config{$topdir}{$subdir}{$rcs."_".$action};
+       if (defined $vcs && 
+           exists $config{$topdir}{$subdir}{$vcs."_".$action}) {
+               return $config{$topdir}{$subdir}{$vcs."_".$action};

        }
        else {
                return undef;
        }
        else {
                return undef;


@@ -564,26 +737,55 @@ sub fulldir {
        return $subdir =~ /^\// ? $subdir : $topdir.$subdir;
 }
 
        return $subdir =~ /^\// ? $subdir : $topdir.$subdir;
 }
 

+sub terminal_friendly_spawn {
+       my $actionmsg = shift;
+       my $sh = shift;
+       my $quiet = shift;
+       my $minimal = shift;
+       my $output = "";
+       if ($terminal) {
+               my $pty = IO::Pty::Easy->new;
+               $pty->spawn($sh);
+               while ($pty->is_active) {
+                       my $data = $pty->read();
+                       $output .= $data if defined $data;
+               }
+               $pty->close;
+       } else {
+               $output = qx/$sh 2>&1/;
+       }
+       my $ret = $?;
+       if ($quiet && $ret != 0) {
+               print "$actionmsg\n" if $actionmsg;
+               print STDERR $output;
+       } elsif (!$quiet && (!$minimal || $output)) {
+               print "$actionmsg\n" if $actionmsg;
+               print $output;
+       }
+       return ($ret, $output ? 1 : 0);
+}
+

 sub action {
        my ($action, $dir, $topdir, $subdir, $force_checkout) = @_;
        my $fulldir=fulldir($topdir, $subdir);
 sub action {
        my ($action, $dir, $topdir, $subdir, $force_checkout) = @_;
        my $fulldir=fulldir($topdir, $subdir);

+       my $checkout_dir;

 
        $ENV{MR_CONFIG}=$configfiles{$topdir};
 
        $ENV{MR_CONFIG}=$configfiles{$topdir};

-       my $lib=exists $config{$topdir}{$subdir}{lib} ?
-                      $config{$topdir}{$subdir}{lib}."\n" : "";

        my $is_checkout=($action eq 'checkout');
        my $is_update=($action =~ /update/);
 
        my $is_checkout=($action eq 'checkout');
        my $is_update=($action =~ /update/);
 

-       $ENV{MR_REPO}=$dir;
+       ($ENV{MR_REPO}=$dir) =~ s!/$!!;
+       $ENV{MR_ACTION}=$action;

        
        foreach my $testname ("skip", "deleted") {
        
        foreach my $testname ("skip", "deleted") {

+               next if $force && $testname eq "skip";
+

                my $testcommand=findcommand($testname, $dir, $topdir, $subdir, $is_checkout);
 
                if (defined $testcommand) {
                my $testcommand=findcommand($testname, $dir, $topdir, $subdir, $is_checkout);
 
                if (defined $testcommand) {

-                       my $test="set -e;".$lib.
-                               "my_action(){ $testcommand\n }; my_action '$action'";
-                       print "mr $action: running $testname test >>$test<<\n" if $verbose;
-                       my $ret=system($test);
+                       my $ret=runsh "$testname test", $topdir, $subdir,
+                               $testcommand, [$action],
+                               sub { system(shift()) };

                        if ($ret != 0) {
                                if (($? & 127) == 2) {
                                        print STDERR "mr $action: interrupted\n";
                        if ($ret != 0) {
                                if (($? & 127) == 2) {
                                        print STDERR "mr $action: interrupted\n";


@@ -608,6 +810,7 @@ sub action {
        }
 
        if ($is_checkout) {
        }
 
        if ($is_checkout) {

+               $checkout_dir=$dir;

                if (! $force_checkout) {
                        if (-d $dir) {
                                print "mr $action: $dir already exists, skipping checkout\n" if $verbose;
                if (! $force_checkout) {
                        if (-d $dir) {
                                print "mr $action: $dir already exists, skipping checkout\n" if $verbose;


@@ -635,13 +838,13 @@ sub action {
                return FAILED;
        }
        elsif (! defined $command) {
                return FAILED;
        }
        elsif (! defined $command) {

-               my $rcs=rcs_test(@_);
-               if (! defined $rcs) {
+               my $vcs=vcs_test(@_);
+               if (! defined $vcs) {

                        print STDERR "mr $action: unknown repository type and no defined $action command for $fulldir\n";
                        return FAILED;
                }
                else {
                        print STDERR "mr $action: unknown repository type and no defined $action command for $fulldir\n";
                        return FAILED;
                }
                else {

-                       print STDERR "mr $action: no defined action for $rcs repository $fulldir, skipping\n";
+                       print STDERR "mr $action: no defined action for $vcs repository $fulldir, skipping\n" unless $minimal;

                        return SKIPPED;
                }
        }
                        return SKIPPED;
                }
        }


@@ -655,27 +858,21 @@ sub action {
                        $s=~s/^\Q$fulldir\E\/?//;
                        $actionmsg="mr $action: $fulldir (in subdir $s)";
                }
                        $s=~s/^\Q$fulldir\E\/?//;
                        $actionmsg="mr $action: $fulldir (in subdir $s)";
                }

-               print "$actionmsg\n" unless $quiet;
+               print "$actionmsg\n" unless $quiet || $minimal;

 
 

-               my $hookret=hook("pre_$action", $topdir, $subdir);
+               my ($hookret, $hook_out)=hook("pre_$action", $topdir, $subdir);

                return $hookret if $hookret != OK;
 
                return $hookret if $hookret != OK;
 

-               $command="set -e; ".$lib.
-                       "my_action(){ $command\n }; my_action ".
-                       join(" ", map { s/\\/\\\\/g; s/"/\"/g; '"'.$_.'"' } @ARGV);
-               print "mr $action: running >>$command<<\n" if $verbose;
-               my $ret;
-               if ($quiet) {
-                       my $output = qx/$command 2>&1/;
-                       $ret = $?;
-                       if ($ret != 0) {
-                               print "$actionmsg\n";
-                               print STDERR $output;
-                       }
-               }
-               else {
-                       $ret=system($command);
-               }
+               my ($ret, $out)=runsh $action, $topdir, $subdir,
+                       $command, \@ARGV, sub {
+                               my $sh=shift;
+                               if (!$jobs || $jobs > 1 || $quiet || $minimal) {
+                                       return terminal_friendly_spawn($actionmsg, $sh, $quiet, $minimal);
+                               }
+                               else {
+                                       system($sh);
+                               }
+                       };

                if ($ret != 0) {
                        if (($? & 127) == 2) {
                                print STDERR "mr $action: interrupted\n";
                if ($ret != 0) {
                        if (($? & 127) == 2) {
                                print STDERR "mr $action: interrupted\n";


@@ -708,15 +905,21 @@ sub action {
                                return FAILED;
                        }
 
                                return FAILED;
                        }
 

-                       my $ret=hook("post_$action", $topdir, $subdir);
+                       my ($ret, $hook_out)=hook("post_$action", $topdir, $subdir);

                        return $ret if $ret != OK;
                        
                        return $ret if $ret != OK;
                        

-                       if (($is_checkout || $is_update)) {
-                               my $ret=hook("fixups", $topdir, $subdir);
+                       if ($is_checkout || $is_update) {
+                               if ($is_checkout && ! $no_chdir) {
+                                       if (! chdir($checkout_dir)) {
+                                               print STDERR "mr $action: failed to chdir to $checkout_dir: $!\n";
+                                               return FAILED;
+                                       }
+                               }
+                               my ($ret, $hook_out)=hook("fixups", $topdir, $subdir);

                                return $ret if $ret != OK;
                        }
                        
                                return $ret if $ret != OK;
                        }
                        

-                       return OK;
+                       return (OK, $out || $hook_out);

                }
        }
 }
                }
        }
 }


@@ -726,22 +929,15 @@ sub hook {
 
        my $command=$config{$topdir}{$subdir}{$hook};
        return OK unless defined $command;
 
        my $command=$config{$topdir}{$subdir}{$hook};
        return OK unless defined $command;

-       my $lib=exists $config{$topdir}{$subdir}{lib} ?
-                      $config{$topdir}{$subdir}{lib}."\n" : "";
-       my $shell="set -e;".$lib.
-               "my_hook(){ $command\n }; my_hook";
-       print "mr $hook: running >>$shell<<\n" if $verbose;
-       my $ret;
-       if ($quiet) {
-               my $output = qx/$shell 2>&1/;
-               $ret = $?;
-               if ($ret != 0) {
-                       print STDERR $output;
-               }
-       }
-       else {
-               $ret=system($shell);
-       }
+       my ($ret,$out)=runsh $hook, $topdir, $subdir, $command, [], sub {
+                       my $sh=shift;
+                       if (!$jobs || $jobs > 1 || $quiet || $minimal) {
+                               return terminal_friendly_spawn(undef, $sh, $quiet, $minimal);
+                       }
+                       else {
+                               system($sh);
+                       }
+               };

        if ($ret != 0) {
                if (($? & 127) == 2) {
                        print STDERR "mr $hook: interrupted\n";
        if ($ret != 0) {
                if (($? & 127) == 2) {
                        print STDERR "mr $hook: interrupted\n";


@@ -751,9 +947,12 @@ sub hook {
                        print STDERR "mr $hook: received signal ".($? & 127)."\n";
                        return ABORT;
                }
                        print STDERR "mr $hook: received signal ".($? & 127)."\n";
                        return ABORT;
                }

+               else {
+                       return FAILED;
+               }

        }
 
        }
 

-       return OK;
+       return (OK, $out);

 }
 
 # run actions on multiple repos, in parallel
 }
 
 # run actions on multiple repos, in parallel


@@ -781,7 +980,7 @@ sub mrs {
                                close CHILD_STDERR;
                                close $outfh;
                                close $errfh;
                                close CHILD_STDERR;
                                close $outfh;
                                close $errfh;

-                               exit action($action, @$repo);
+                               exit +(action($action, @$repo))[0];

                        }
                        close CHILD_STDOUT;
                        close CHILD_STDERR;
                        }
                        close CHILD_STDOUT;
                        close CHILD_STDERR;


@@ -812,7 +1011,7 @@ sub mrs {
                                                        waitpid($active[$i][0], 0);
                                                        print STDOUT $out[$i][0];
                                                        print STDERR $out[$i][1];
                                                        waitpid($active[$i][0], 0);
                                                        print STDOUT $out[$i][0];
                                                        print STDERR $out[$i][1];

-                                                       record($active[$i][1], $? >> 8);
+                                                       record($active[$i][1], $? >> 8, $out[$i][0] || $out[$i][1]);

                                                        splice(@fhs, $i, 1);
                                                        splice(@active, $i, 1);
                                                        splice(@out, $i, 1);
                                                        splice(@fhs, $i, 1);
                                                        splice(@active, $i, 1);
                                                        splice(@out, $i, 1);


@@ -829,10 +1028,11 @@ sub mrs {
 sub record {
        my $dir=shift()->[0];
        my $ret=shift;
 sub record {
        my $dir=shift()->[0];
        my $ret=shift;

+       my $out=shift;

 
        if ($ret == OK) {
                push @ok, $dir;
 
        if ($ret == OK) {
                push @ok, $dir;

-               print "\n" unless $quiet;
+               print "\n" unless $quiet || ($minimal && !$out);

        }
        elsif ($ret == FAILED) {
                if ($interactive) {
        }
        elsif ($ret == FAILED) {
                if ($interactive) {


@@ -841,7 +1041,7 @@ sub record {
                        system((getpwuid($<))[8], "-i");
                }
                push @failed, $dir;
                        system((getpwuid($<))[8], "-i");
                }
                push @failed, $dir;

-               print "\n" unless $quiet;
+               print "\n";

        }
        elsif ($ret == SKIPPED) {
                push @skipped, $dir;
        }
        elsif ($ret == SKIPPED) {
                push @skipped, $dir;


@@ -863,10 +1063,10 @@ sub showstats {
                showstat($#ok+1, "ok", "ok"),
                showstat($#failed+1, "failed", "failed"),
                showstat($#skipped+1, "skipped", "skipped"),
                showstat($#ok+1, "ok", "ok"),
                showstat($#failed+1, "failed", "failed"),
                showstat($#skipped+1, "skipped", "skipped"),

-       ).")\n" unless $quiet;
+       ).")\n" unless $quiet || $minimal;

        if ($stats) {
                if (@skipped) {
        if ($stats) {
                if (@skipped) {

-                       print "mr $action: (skipped: ".join(" ", @skipped).")\n" unless $quiet;
+                       print "mr $action: (skipped: ".join(" ", @skipped).")\n" unless $quiet || $minimal;

                }
                if (@failed) {
                        print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
                }
                if (@failed) {
                        print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";


@@ -914,7 +1114,10 @@ sub repodir {
        return $ret;
 }
 
        return $ret;
 }
 

-# figure out which repos to act on
+# Figure out which repos to act on.  Returns a list of array refs
+# in the format:
+#
+#   [ "$full_repo_path/", "$mr_config_path/", $section_header ]

 sub selectrepos {
        my @repos;
        foreach my $repo (repolist()) {
 sub selectrepos {
        my @repos;
        foreach my $repo (repolist()) {


@@ -973,19 +1176,20 @@ sub is_trusted_config {
        my $config=shift; # must be abs_pathed already
 
        # We always trust ~/.mrconfig.
        my $config=shift; # must be abs_pathed already
 
        # We always trust ~/.mrconfig.

-       return 1 if $config eq abs_path("$ENV{HOME}/.mrconfig");
+       return 1 if $config eq abs_path($HOME_MR_CONFIG);

 
        return 1 if $trust_all;
 
        my $trustfile=$ENV{HOME}."/.mrtrust";
 
        if (! %trusted) {
 
        return 1 if $trust_all;
 
        my $trustfile=$ENV{HOME}."/.mrtrust";
 
        if (! %trusted) {

-               $trusted{"$ENV{HOME}/.mrconfig"}=1;
+               $trusted{$HOME_MR_CONFIG}=1;

                if (open (TRUST, "<", $trustfile)) {
                        while (<TRUST>) {
                                chomp;
                                s/^~\//$ENV{HOME}\//;
                if (open (TRUST, "<", $trustfile)) {
                        while (<TRUST>) {
                                chomp;
                                s/^~\//$ENV{HOME}\//;

-                               $trusted{abs_path($_)}=1;
+                               my $d=abs_path($_);
+                               $trusted{$d}=1 if defined $d;

                        }
                        close TRUST;
                }
                        }
                        close TRUST;
                }


@@ -1059,7 +1263,7 @@ sub is_trusted_checkout {
                                        is_trusted_repo($words[$c])
                                );
                        }
                                        is_trusted_repo($words[$c])
                                );
                        }

-                       elsif (defined $words[$c] && $twords[$c] eq $words[$c]) {
+                       elsif (defined $words[$c] && $words[$c]=~/^($twords[$c])$/) {

                                $match=1;
                        }
                        else {
                                $match=1;
                        }
                        else {


@@ -1072,25 +1276,11 @@ sub is_trusted_checkout {
        return 0;
 }
 
        return 0;
 }
 

-sub trusterror {
-       my ($err, $file, $line, $url)=@_;
-       
-       if (defined $url) {
-               die "$err in untrusted $url line $line\n".
-                       "(To trust this url, --trust-all can be used; but please use caution;\n".
-                       "this can allow arbitrary code execution!)\n";
-       }
-       else {
-               die "$err in untrusted $file line $line\n".
-                       "(To trust this file, list it in ~/.mrtrust.)\n";
-       }
-}
-

 my %loaded;
 sub loadconfig {
        my $f=shift;
        my $dir=shift;
 my %loaded;
 sub loadconfig {
        my $f=shift;
        my $dir=shift;

-       my $bootstrap_url=shift;
+       my $bootstrap_src=shift;

 
        my @toload;
 
 
        my @toload;
 


@@ -1147,12 +1337,57 @@ sub loadconfig {
        close $in unless ref $f eq 'GLOB';
 
        my $section;
        close $in unless ref $f eq 'GLOB';
 
        my $section;

-       my $line=0;
+
+       # Keep track of the current line in the config file;
+       # when a file is included track the current line from the include.
+       my $lineno=0;
+       my $included=undef;
+
+       my $line;
+       my $nextline = sub {
+               if ($included) {
+                       $included--;
+               }
+               else {
+                       $included=undef;
+                       $lineno++;
+               }
+               $line=shift @lines;
+               chomp $line;
+               return $line;
+       };
+       my $lineerror = sub {
+               my $msg=shift;
+               if (defined $included) {
+                       die "mr: $msg at $f line $lineno, included line: $line\n";
+               }
+               else {
+                       die "mr: $msg at $f line $lineno\n";
+               }
+       };
+       my $trusterror = sub {
+               my $msg=shift;
+       
+               if (defined $bootstrap_src) {
+                       die "mr: $msg in untrusted $bootstrap_src line $lineno\n".
+                               "(To trust this url, --trust-all can be used; but please use caution;\n".
+                               "this can allow arbitrary code execution!)\n";
+               }
+               else {
+                       die "mr: $msg in untrusted $f line $lineno\n".
+                               "(To trust this file, list it in ~/.mrtrust.)\n";
+               }
+       };
+

        while (@lines) {
        while (@lines) {

-               $_=shift @lines;
-               $line++;
-               chomp;
+               $_=$nextline->();
+

                next if /^\s*\#/ || /^\s*$/;
                next if /^\s*\#/ || /^\s*$/;

+
+               if (! $trusted && /[[:cntrl:]]/) {
+                       $trusterror->("illegal control character");
+               }
+

                if (/^\[([^\]]*)\]\s*$/) {
                        $section=$1;
 
                if (/^\[([^\]]*)\]\s*$/) {
                        $section=$1;
 


@@ -1160,7 +1395,7 @@ sub loadconfig {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {

-                                       trusterror("mr: illegal section \"[$section]\"", $f, $line, $bootstrap_url)
+                                       $trusterror->("illegal section \"[$section]\"");

                                }
                        }
                        $section=expandenv($section) if $trusted;
                                }
                        }
                        $section=expandenv($section) if $trusted;


@@ -1177,10 +1412,9 @@ sub loadconfig {
 
                        # continued value
                        while (@lines && $lines[0]=~/^\s(.+)/) {
 
                        # continued value
                        while (@lines && $lines[0]=~/^\s(.+)/) {

-                               shift(@lines);
-                               $line++;

                                $value.="\n$1";
                                chomp $value;
                                $value.="\n$1";
                                chomp $value;

+                               $nextline->();

                        }
 
                        if (! $trusted) {
                        }
 
                        if (! $trusted) {


@@ -1188,7 +1422,7 @@ sub loadconfig {
                                # settings in specific known-safe formats.
                                if ($parameter eq 'checkout') {
                                        if (! is_trusted_checkout($value)) {
                                # settings in specific known-safe formats.
                                if ($parameter eq 'checkout') {
                                        if (! is_trusted_checkout($value)) {

-                                               trusterror("mr: illegal checkout command \"$value\"", $f, $line, $bootstrap_url);
+                                               $trusterror->("illegal checkout command \"$value\"");

                                        }
                                }
                                elsif ($parameter eq 'order') {
                                        }
                                }
                                elsif ($parameter eq 'order') {


@@ -1200,27 +1434,29 @@ sub loadconfig {
                                        # safe.
                                }
                                else {
                                        # safe.
                                }
                                else {

-                                       trusterror("mr: illegal setting \"$parameter=$value\"", $f, $line, $bootstrap_url);
+                                       $trusterror->("illegal setting \"$parameter=$value\"");

                                }
                        }
 
                        if ($parameter eq "include") {
                                print "mr: including output of \"$value\"\n" if $verbose;
                                }
                        }
 
                        if ($parameter eq "include") {
                                print "mr: including output of \"$value\"\n" if $verbose;

-                               unshift @lines, `$value`;
+                               my @inc=`$value`;

                                if ($?) {
                                        print STDERR "mr: include command exited nonzero ($?)\n";
                                }
                                if ($?) {
                                        print STDERR "mr: include command exited nonzero ($?)\n";
                                }

+                               $included += @inc;
+                               unshift @lines, @inc;

                                next;
                        }
 
                        if (! defined $section) {
                                next;
                        }
 
                        if (! defined $section) {

-                               die "$f line $.: parameter ($parameter) not in section\n";
+                               $lineerror->("parameter ($parameter) not in section");

                        }
                        if ($section eq 'ALIAS') {
                                $alias{$parameter}=$value;
                        }
                        }
                        if ($section eq 'ALIAS') {
                                $alias{$parameter}=$value;
                        }

-                       elsif ($parameter eq 'lib') {
-                               $config{$dir}{$section}{lib}.=$value."\n";
+                       elsif ($parameter eq 'lib' or $parameter =~ s/_append$//) {
+                               $config{$dir}{$section}{$parameter}.="\n".$value."\n";

                        }
                        else {
                                $config{$dir}{$section}{$parameter}=$value;
                        }
                        else {
                                $config{$dir}{$section}{$parameter}=$value;


@@ -1231,31 +1467,36 @@ sub loadconfig {
                                        $knownactions{$parameter}=1;
                                }
                                if ($parameter eq 'chain' &&
                                        $knownactions{$parameter}=1;
                                }
                                if ($parameter eq 'chain' &&

-                                   length $dir && $section ne "DEFAULT" &&
-                                   -e $dir.$section."/.mrconfig") {
-                                       my $ret=system($value);
-                                       if ($ret != 0) {
-                                               if (($? & 127) == 2) {
-                                                       print STDERR "mr: chain test interrupted\n";
-                                                       exit 2;
+                                   length $dir && $section ne "DEFAULT") {
+                                       my $chaindir="$section";
+                                       if ($chaindir !~ m!^/!) {
+                                               $chaindir=$dir.$chaindir;
+                                       }
+                                       if (-e "$chaindir/.mrconfig") {
+                                               my $ret=system($value);
+                                               if ($ret != 0) {
+                                                       if (($? & 127) == 2) {
+                                                               print STDERR "mr: chain test interrupted\n";
+                                                               exit 2;
+                                                       }
+                                                       elsif ($? & 127) {
+                                                               print STDERR "mr: chain test received signal ".($? & 127)."\n";
+                                                       }

                                                }
                                                }

-                                               elsif ($? & 127) {
-                                                       print STDERR "mr: chain test received signal ".($? & 127)."\n";
+                                               else {
+                                                       push @toload, ["$chaindir/.mrconfig", $chaindir];

                                                }
                                        }
                                                }
                                        }

-                                       else {
-                                               push @toload, $dir.$section."/.mrconfig";
-                                       }

                                }
                        }
                }
                else {
                                }
                        }
                }
                else {

-                       die "$f line $line: parse error\n";
+                       $lineerror->("parse error");

                }
        }
 
                }
        }
 

-       foreach (@toload) {
-               loadconfig($_);
+       foreach my $c (@toload) {
+               loadconfig(@$c);

        }
 }
 
        }
 }
 


@@ -1367,10 +1608,7 @@ sub dispatch {
        my $action=shift;
 
        # actions that do not operate on all repos
        my $action=shift;
 
        # actions that do not operate on all repos

-       if ($action eq 'help') {
-               help(@ARGV);
-       }
-       elsif ($action eq 'config') {
+       if ($action eq 'config') {

                config(@ARGV);
        }
        elsif ($action eq 'register') {
                config(@ARGV);
        }
        elsif ($action eq 'register') {


@@ -1398,7 +1636,27 @@ sub dispatch {
 }
 
 sub help {
 }
 
 sub help {

-       exec($config{''}{DEFAULT}{help}) || die "exec: $!";
+       my $help=q#
+               case `uname -s` in
+                       SunOS)
+                       SHOWMANFILE="man -f"
+                       ;;
+                       Darwin)
+                       SHOWMANFILE="man"
+                       ;;
+                       *)
+                       SHOWMANFILE="man"
+                       ;;
+               esac
+               if [ ! -e "$MR_PATH" ]; then
+                       error "cannot find program path"
+               fi
+               tmp=$(mktemp -t mr.XXXXXXXXXX) || error "mktemp failed"
+               trap "rm -f $tmp" exit
+               pod2man -c mr "$MR_PATH" > "$tmp" || error "pod2man failed"
+               $SHOWMANFILE "$tmp" || error "man failed"
+       #;
+       exec($help) || die "exec: $!";

 }
 
 sub config {
 }
 
 sub config {


@@ -1485,23 +1743,47 @@ sub register {
 }
 
 sub bootstrap {
 }
 
 sub bootstrap {

-       my $url=shift @ARGV;
+       eval q{use File::Copy};
+       die $@ if $@;
+
+       my $src=shift @ARGV;

        my $dir=shift @ARGV || ".";
        
        my $dir=shift @ARGV || ".";
        

-       if (! defined $url || ! length $url) {
-               die "mr: bootstrap requires url\n";
+       if (! defined $src || ! length $src) {
+               die "mr: bootstrap requires source\n";

        }
        }

-       
-       # Download the config file to a temporary location.
+
+       # Retrieve config file.

        eval q{use File::Temp};
        die $@ if $@;
        my $tmpconfig=File::Temp->new();
        eval q{use File::Temp};
        die $@ if $@;
        my $tmpconfig=File::Temp->new();

-       my @curlargs = ("curl", "-A", "mr", "-L", "-s", $url, "-o", $tmpconfig);
-       push(@curlargs, "-k") if $insecure;
-       my $curlstatus = system(@curlargs);
-       die "mr bootstrap: invalid SSL certificate for $url (consider -k)\n" if $curlstatus >> 8 == 60;
-       die "mr bootstrap: download of $url failed\n" if $curlstatus != 0;
+       if ($src =~ m!^[\w\d]+://!) {
+               # Download the config file to a temporary location.
+               my @downloader;
+               if ($src =~ m!^ssh://(.*)!) {
+                       @downloader = ("scp", $1, $tmpconfig);
+               }
+               else {
+                       @downloader = ("curl", "-A", "mr", "-L", "-s", $src, "-o", $tmpconfig);
+                       push(@downloader, "-k") if $insecure;
+               }
+               my $status = system(@downloader);
+               die "mr bootstrap: invalid SSL certificate for $src (consider -k)\n"
+                       if $downloader[0] eq 'curl' && $status >> 8 == 60;
+               die "mr bootstrap: download of $src failed\n" if $status != 0;
+       }
+       elsif ($src eq '-') {
+               # Config file is read from stdin.
+               copy(\*STDIN, $tmpconfig) || die "stdin: $!";
+       }
+       else {
+               # Config file is local.
+               die "mr bootstrap: cannot read file '$src'"
+                       unless -r $src;
+               copy($src, $tmpconfig) || die "copy: $!";
+       }

 
 

+       # Sanity check on destination directory.

        if (! -e $dir) {
                system("mkdir", "-p", $dir);
        }
        if (! -e $dir) {
                system("mkdir", "-p", $dir);
        }


@@ -1511,16 +1793,14 @@ sub bootstrap {
        # would normally be skipped.
        my $topdir=abs_path(".")."/";
        my @repo=($topdir, $topdir, ".");
        # would normally be skipped.
        my $topdir=abs_path(".")."/";
        my @repo=($topdir, $topdir, ".");

-       loadconfig($tmpconfig, $topdir, $url);
+       loadconfig($tmpconfig, $topdir, $src);

        record(\@repo, action("checkout", @repo, 1))
                if exists $config{$topdir}{"."}{"checkout"};
 
        if (-e ".mrconfig") {
        record(\@repo, action("checkout", @repo, 1))
                if exists $config{$topdir}{"."}{"checkout"};
 
        if (-e ".mrconfig") {

-               print STDERR "mr bootstrap: .mrconfig file already exists, not overwriting with $url\n";
+               print STDERR "mr bootstrap: .mrconfig file already exists, not overwriting with $src\n";

        }
        else {
        }
        else {

-               eval q{use File::Copy};
-               die $@ if $@;

                move($tmpconfig, ".mrconfig") || die "rename: $!";
        }
 
                move($tmpconfig, ".mrconfig") || die "rename: $!";
        }
 


@@ -1566,7 +1846,7 @@ sub find_mrconfig {
                }
                $dir=~s/\/[^\/]*$//;
        }
                }
                $dir=~s/\/[^\/]*$//;
        }

-       return "$ENV{HOME}/.mrconfig";
+       return $HOME_MR_CONFIG;

 }
 
 sub getopts {
 }
 
 sub getopts {


@@ -1576,7 +1856,9 @@ sub getopts {
                "d|directory=s" => sub { $directory=abs_path($_[1]) },
                "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
                "p|path" => sub { }, # now default, ignore
                "d|directory=s" => sub { $directory=abs_path($_[1]) },
                "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
                "p|path" => sub { }, # now default, ignore

+               "f|force" => \$force,

                "v|verbose" => \$verbose,
                "v|verbose" => \$verbose,

+               "m|minimal" => \$minimal,

                "q|quiet" => \$quiet,
                "s|stats" => \$stats,
                "k|insecure" => \$insecure,
                "q|quiet" => \$quiet,
                "s|stats" => \$stats,
                "k|insecure" => \$insecure,


@@ -1633,9 +1915,10 @@ sub exitstats {
 sub main {
        getopts();
        init();
 sub main {
        getopts();
        init();

+       help(@ARGV) if $ARGV[0] eq 'help';

 
        startingconfig();
 
        startingconfig();

-       loadconfig("$ENV{HOME}/.mrconfig");
+       loadconfig($HOME_MR_CONFIG);

        loadconfig($ENV{MR_CONFIG});
        #use Data::Dumper; print Dumper(\%config);
        
        loadconfig($ENV{MR_CONFIG});
        #use Data::Dumper; print Dumper(\%config);
        


@@ -1691,18 +1974,30 @@ lib =
        is_bzr_checkout() {
                LANG=C bzr info | egrep -q '^Checkout'
        }
        is_bzr_checkout() {
                LANG=C bzr info | egrep -q '^Checkout'
        }

+       lazy() {
+               if [ -d "$MR_REPO" ]; then
+                       return 1
+               else
+                       return 0
+               fi
+       }

 
 

-svn_test = test -d "$MR_REPO"/.svn
-git_test = test -d "$MR_REPO"/.git
-bzr_test = test -d "$MR_REPO"/.bzr
-cvs_test = test -d "$MR_REPO"/CVS
-hg_test  = test -d "$MR_REPO"/.hg
-darcs_test = test -d "$MR_REPO"/_darcs
-fossil_test = test -f "$MR_REPO"/_FOSSIL_
-git_bare_test =
-       test -d "$MR_REPO"/refs/heads && test -d "$MR_REPO"/refs/tags &&
-       test -d "$MR_REPO"/objects && test -f "$MR_REPO"/config &&
-       test "`GIT_CONFIG="$MR_REPO"/config git config --get core.bare`" = true
+svn_test = perl: -d "$ENV{MR_REPO}/.svn"
+git_test = perl: -e "$ENV{MR_REPO}/.git"
+bzr_test = perl: -d "$ENV{MR_REPO}/.bzr"
+cvs_test = perl: -d "$ENV{MR_REPO}/CVS"
+hg_test  = perl: -d "$ENV{MR_REPO}/.hg"
+darcs_test = perl: -d "$ENV{MR_REPO}/_darcs"
+fossil_test = perl: -f "$ENV{MR_REPO}/_FOSSIL_"
+git_bare_test = perl: 
+       -d "$ENV{MR_REPO}/refs/heads" && -d "$ENV{MR_REPO}/refs/tags" &&
+       -d "$ENV{MR_REPO}/objects" && -f "$ENV{MR_REPO}/config" &&
+       `GIT_CONFIG="$ENV{MR_REPO}"/config git config --get core.bare` =~ /true/
+vcsh_test = perl:
+       -d "$ENV{MR_REPO}/refs/heads" && -d "$ENV{MR_REPO}/refs/tags" &&
+       -d "$ENV{MR_REPO}/objects" && -f "$ENV{MR_REPO}/config" &&
+       `GIT_CONFIG="$ENV{MR_REPO}"/config git config --get vcsh.vcsh` =~ /true/
+veracity_test  = perl: -d "$ENV{MR_REPO}/.sgdrawer"

 
 svn_update = svn update "$@"
 git_update = git pull "$@"
 
 svn_update = svn update "$@"
 git_update = git pull "$@"


@@ -1712,18 +2007,85 @@ bzr_update =
        else
                bzr merge --pull "$@"
        fi
        else
                bzr merge --pull "$@"
        fi

-cvs_update = cvs update "$@"
-hg_update  = hg pull "$@" && hg update "$@"
+cvs_update = cvs -q update "$@"
+hg_update  = hg pull "$@"; hg update "$@"

 darcs_update = darcs pull -a "$@"
 fossil_update = fossil pull "$@"
 darcs_update = darcs pull -a "$@"
 fossil_update = fossil pull "$@"

+vcsh_update = vcsh run "$MR_REPO" git pull "$@"
+veracity_update = vv pull "$@" && vv update "$@"
+
+git_fetch = git fetch --all --prune --tags
+git_svn_fetch = git svn fetch
+darcs_fetch = darcs fetch
+hg_fetch = hg pull
+
+svn_clean = 
+       if [ "x$1" = x-f ] ; then
+               shift
+               svn-clean "$@"
+       else
+               svn-clean --print "$@"
+       fi
+git_clean = 
+       if [ "x$1" = x-f ] ; then
+               shift
+               git clean -dx --force "$@"
+       else
+               git clean -dx --dry-run "$@"
+       fi
+git_svn_clean = 
+       if [ "x$1" = x-f ] ; then
+               shift
+               git clean -dx --force "$@"
+       else
+               git clean -dx --dry-run "$@"
+       fi
+bzr_clean = 
+       if [ "x$1" = x-f ] ; then
+               shift
+               bzr clean-tree --verbose --force --ignored --unknown --detritus "$@"
+       else
+               bzr clean-tree --verbose --dry-run --ignored --unknown --detritus "$@"
+       fi
+cvs_clean = 
+        if [ "x$1" = x-f ] ; then
+               shift
+               cvs-clean "$@"
+       else
+               cvs-clean --dry-run "$@"
+       fi
+hg_clean = 
+       if [ "x$1" = x-f ] ; then
+               shift
+               hg purge --print --all "$@"
+               hg purge --all "$@"
+       else
+               hg purge --print --all "$@"
+       fi
+fossil_clean = 
+       if [ "x$1" = x-f ] ; then
+               shift
+               fossil clean --dry-run --dotfiles --emptydirs "$@"
+       else
+               fossil clean --force --dotfiles --emptydirs "$@"
+       fi
+vcsh_clean = 
+       if [ "x$1" = x-f ] ; then
+               shift
+               vcsh run "$MR_REPO" git clean -dx "$@"
+       else
+               vcsh run "$MR_REPO" git clean -dx --dry-run "$@"
+       fi

 
 svn_status = svn status "$@"
 
 svn_status = svn status "$@"

-git_status = git status -s "$@" || true
-bzr_status = bzr status --short "$@"
-cvs_status = cvs status "$@"
-hg_status  = hg status "$@"
+git_status = git status -s "$@" || true; git --no-pager log --branches --not --remotes --simplify-by-decoration --decorate --oneline || true
+bzr_status = bzr status --short "$@"; bzr missing
+cvs_status = cvs -q status | grep -E '^(File:.*Status:|\?)' | grep -v 'Status: Up-to-date'
+hg_status  = hg status "$@"; hg summary --quiet | grep -v 'parent: 0:'

 darcs_status = darcs whatsnew -ls "$@" || true
 fossil_status = fossil changes "$@"
 darcs_status = darcs whatsnew -ls "$@" || true
 fossil_status = fossil changes "$@"

+vcsh_status = vcsh run "$MR_REPO" git -c status.relativePaths=false status -s "$@" || true
+veracity_status = vv status "$@"

 
 svn_commit = svn commit "$@"
 git_commit = git commit -a "$@" && git push --all
 
 svn_commit = svn commit "$@"
 git_commit = git commit -a "$@" && git push --all


@@ -1734,15 +2096,24 @@ bzr_commit =
                bzr commit "$@" && bzr push
        fi
 cvs_commit = cvs commit "$@"
                bzr commit "$@" && bzr push
        fi
 cvs_commit = cvs commit "$@"

-hg_commit  = hg commit -m "$@" && hg push
-darcs_commit = darcs record -a -m "$@" && darcs push -a
+hg_commit  = hg commit "$@" && hg push
+darcs_commit = darcs record -a "$@" && darcs push -a

 fossil_commit = fossil commit "$@"
 fossil_commit = fossil commit "$@"

+vcsh_commit = vcsh run "$MR_REPO" git commit -a "$@" && vcsh run "$MR_REPO" git push --all
+veracity_commit = vv commit "$@" && vv push

 
 git_record = git commit -a "$@"
 
 git_record = git commit -a "$@"

-bzr_record = bzr commit "$@"
-hg_record  = hg commit -m "$@"
-darcs_record = darcs record -a -m "$@"
+bzr_record =
+       if is_bzr_checkout; then
+               bzr commit --local "$@"
+       else
+               bzr commit "$@"
+       fi
+hg_record  = hg commit "$@"
+darcs_record = darcs record -a "$@"

 fossil_record = fossil commit "$@"
 fossil_record = fossil commit "$@"

+vcsh_record = vcsh run "$MR_REPO" git commit -a "$@"
+veracity_record = vv commit "$@"

 
 svn_push = :
 git_push = git push "$@"
 
 svn_push = :
 git_push = git push "$@"


@@ -1751,14 +2122,18 @@ cvs_push = :
 hg_push = hg push "$@"
 darcs_push = darcs push -a "$@"
 fossil_push = fossil push "$@"
 hg_push = hg push "$@"
 darcs_push = darcs push -a "$@"
 fossil_push = fossil push "$@"

+vcsh_push = vcsh run "$MR_REPO" git push "$@"
+veracity_push = vv push "$@"

 
 svn_diff = svn diff "$@"
 git_diff = git diff "$@"
 bzr_diff = bzr diff "$@"
 
 svn_diff = svn diff "$@"
 git_diff = git diff "$@"
 bzr_diff = bzr diff "$@"

-cvs_diff = cvs diff "$@"
+cvs_diff = cvs -q diff "$@"

 hg_diff  = hg diff "$@"
 darcs_diff = darcs diff -u "$@"
 fossil_diff = fossil diff "$@"
 hg_diff  = hg diff "$@"
 darcs_diff = darcs diff -u "$@"
 fossil_diff = fossil diff "$@"

+vcsh_diff = vcsh run "$MR_REPO" git diff "$@"
+veracity_diff = vv diff "$@"

 
 svn_log = svn log "$@"
 git_log = git log "$@"
 
 svn_log = svn log "$@"
 git_log = git log "$@"


@@ -1768,6 +2143,16 @@ hg_log  = hg log "$@"
 darcs_log = darcs changes "$@"
 git_bare_log = git log "$@"
 fossil_log = fossil timeline "$@"
 darcs_log = darcs changes "$@"
 git_bare_log = git log "$@"
 fossil_log = fossil timeline "$@"

+vcsh_log = vcsh run "$MR_REPO" git log "$@"
+veracity_log = vv log "$@"
+
+hg_grep = hg grep "$@"
+cvs_grep = ack-grep "$@"
+svn_grep = ack-grep "$@"
+git_svn_grep = git grep "$@"
+git_grep = git grep "$@"
+bzr_grep = ack-grep "$@"
+darcs_grep = ack-grep "$@"

 
 run = "$@"
 
 
 run = "$@"
 


@@ -1786,12 +2171,12 @@ git_register =
        echo "Registering git url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="git clone '$url' '$MR_REPO'"
 bzr_register =
        echo "Registering git url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="git clone '$url' '$MR_REPO'"
 bzr_register =

-       url="`LC_ALL=C bzr info . | egrep -i 'checkout of branch|parent branch' | awk '{print $NF}'`"
+       url="`LC_ALL=C bzr info . | egrep -i 'checkout of branch|parent branch' | awk '{print $NF}' | head -n 1`"

        if [ -z "$url" ]; then
                error "cannot determine bzr url"
        fi
        echo "Registering bzr url: $url in $MR_CONFIG"
        if [ -z "$url" ]; then
                error "cannot determine bzr url"
        fi
        echo "Registering bzr url: $url in $MR_CONFIG"

-       mr -c "$MR_CONFIG" config "`pwd`" checkout="bzr clone '$url' '$MR_REPO'"
+       mr -c "$MR_CONFIG" config "`pwd`" checkout="bzr branch '$url' '$MR_REPO'"

 cvs_register =
        repo=`cat CVS/Repository`
        root=`cat CVS/Root`
 cvs_register =
        repo=`cat CVS/Repository`
        root=`cat CVS/Root`


@@ -1815,42 +2200,38 @@ git_bare_register =
        fi
        echo "Registering git url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="git clone --bare '$url' '$MR_REPO'"
        fi
        echo "Registering git url: $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="git clone --bare '$url' '$MR_REPO'"

+vcsh_register =
+       url="`LC_ALL=C vcsh run "$MR_REPO" git config --get remote.origin.url`" || true
+       if [ -z "$url" ]; then
+               error "cannot determine git url"
+       fi
+       echo "Registering git url: $url in $MR_CONFIG"
+       mr -c "$MR_CONFIG" config "`pwd`" checkout="vcsh clone '$url' '$MR_REPO'"

 fossil_register =
        url=`fossil remote-url`
        repo=`fossil info | grep repository | sed -e 's/repository:*.//g' -e 's/ //g'`
        echo "Registering fossil repository $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="mkdir -p '$MR_REPO' && cd '$MR_REPO' && fossil open '$repo'"
 fossil_register =
        url=`fossil remote-url`
        repo=`fossil info | grep repository | sed -e 's/repository:*.//g' -e 's/ //g'`
        echo "Registering fossil repository $url in $MR_CONFIG"
        mr -c "$MR_CONFIG" config "`pwd`" checkout="mkdir -p '$MR_REPO' && cd '$MR_REPO' && fossil open '$repo'"

+veracity_register =
+       url=`vv config | grep sync_targets | sed -e 's/sync_targets:*.//g' -e 's/ //g'`
+       repo=`vv repo info | grep repository | sed -e 's/Current repository:*.//g' -e 's/ //g'`
+       echo "Registering veracity repository $url in $MR_CONFIG"
+       mr -c "$MR_CONFIG" config "`pwd`" checkout="mkdir -p '$MR_REPO' && cd '$MR_REPO' && vv checkout '$repo'"

 
 svn_trusted_checkout = svn co $url $repo
 svn_alt_trusted_checkout = svn checkout $url $repo
 git_trusted_checkout = git clone $url $repo
 
 svn_trusted_checkout = svn co $url $repo
 svn_alt_trusted_checkout = svn checkout $url $repo
 git_trusted_checkout = git clone $url $repo

-bzr_trusted_checkout = bzr clone $url $repo
+bzr_trusted_checkout = bzr checkout|clone|branch|get $url $repo

 # cvs: too hard
 hg_trusted_checkout = hg clone $url $repo
 darcs_trusted_checkout = darcs get $url $repo
 git_bare_trusted_checkout = git clone --bare $url $repo
 # cvs: too hard
 hg_trusted_checkout = hg clone $url $repo
 darcs_trusted_checkout = darcs get $url $repo
 git_bare_trusted_checkout = git clone --bare $url $repo

+vcsh_old_trusted_checkout = vcsh run "$MR_REPO" git clone $url $repo
+vcsh_trusted_checkout = vcsh clone $url $repo

 # fossil: messy to do
 # fossil: messy to do

+veracity_trusted_checkout = vv clone $url $repo

 
 
 
 

-help =
-       case `uname -s` in
-               SunOS)
-               SHOWMANFILE="man -f"
-               ;;
-               Darwin)
-               SHOWMANFILE="man"
-               ;;
-               *)
-               SHOWMANFILE="man -l"
-               ;;
-       esac
-       if [ ! -e "$MR_PATH" ]; then
-               error "cannot find program path"
-       fi
-       tmp=$(mktemp -t mr.XXXXXXXXXX) || error "mktemp failed"
-       trap "rm -f $tmp" exit
-       pod2man -c mr "$MR_PATH" > "$tmp" || error "pod2man failed"
-       $SHOWMANFILE "$tmp" || error "man failed"

 list = true
 config = 
 bootstrap = 
 list = true
 config = 
 bootstrap = 


@@ -1885,3 +2266,7 @@ T = echo "I pity the fool."
 right = echo "Not found."
 
 # vim:sw=8:sts=0:ts=8:noet
 right = echo "Not found."
 
 # vim:sw=8:sts=0:ts=8:noet

+# Local variables:
+# indent-tabs-mode: t
+# cperl-indent-level: 8
+# End: