wording

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 1f01803da02f86bf0f4a48c415f15845636bd080..3996b60622e4a6433c4737c48584a261893631d2 100755 (executable)
--- a/mr
+++ b/mr
@@ -16,10 +16,14 @@ B<mr> [options] commit [-m "message"]
 
 B<mr> [options] record [-m "message"]
 
 
 B<mr> [options] record [-m "message"]
 

+B<mr> [options] push
+

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

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

 B<mr> [options] bootstrap url [directory]
 
 B<mr> [options] register [repository]
 B<mr> [options] bootstrap url [directory]
 
 B<mr> [options] register [repository]


@@ -37,8 +41,8 @@ B<mr> [options] remember action [params ...]
 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,
 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 and darcs repositories, and support for other revision control systems can
-easily be added.
+bzr, darcs and fossil 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


@@ -47,9 +51,11 @@ and work on only that repository,
 
 B<mr> is configured by .mrconfig files, which list the repositories. It
 starts by reading the .mrconfig file in your home directory, and this can
 
 B<mr> is configured by .mrconfig files, which list the repositories. It
 starts by reading the .mrconfig file in your home directory, and this can

-in turn chain load .mrconfig files from repositories.
+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.

 
 

-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


@@ -81,14 +87,14 @@ 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.
 
 =item push
 
 Pushes committed local changes to the remote repository. A no-op for
 
 The optional -m parameter allows specifying a commit message.
 
 =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
 


@@ -98,6 +104,10 @@ Show a diff of uncommitted changes.
 
 Show the commit log.
 
 
 Show the commit log.
 

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

 =back
 
 These commands are also available:
 =back
 
 These commands are also available:


@@ -126,7 +136,7 @@ repository in the current directory is registered, or you can specify a
 directory to register.
 
 The mrconfig file that is modified is chosen by either the -c option, or by
 directory to register.
 
 The mrconfig file that is modified is chosen by either the -c option, or by

-looking for the closest known one at or below the current directory.
+looking for the closest known one at or in a parent of the current directory.

 
 =item config
 
 
 =item config
 


@@ -147,8 +157,8 @@ To see the built-in library of shell functions contained in mr:
 
   mr config DEFAULT lib
 
 
   mr config DEFAULT lib
 

-The ~/.mrconfig file is used by default. To use a different config file,
-use the -c option.
+The mrconfig file that is used is chosen by either the -c option, or by
+looking for the closest known one at or in a parent of the current directory.

 
 =item offline
 
 
 =item offline
 


@@ -179,8 +189,8 @@ 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


@@ -198,14 +208,9 @@ the current working directory.
 
 =item --config mrconfig
 
 
 =item --config mrconfig
 

-Use the specified mrconfig file. The default is B<~/.mrconfig>
-
-=item -p
-
-=item --path
-
-Search in the current directory, and its parent directories and use
-the first B<.mrconfig> found, instead of the default B<~/.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
+of its parent directories.

 
 =item -v
 
 
 =item -v
 


@@ -217,7 +222,9 @@ Be verbose.
 
 =item --quiet
 
 
 =item --quiet
 

-Be quiet.
+Be quiet. This supresses 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.

 
 =item -k
 
 
 =item -k
 


@@ -270,14 +277,20 @@ a good speedup in updates without loading the machine too much.
 Trust all mrconfig files even if they are not listed in ~/.mrtrust.
 Use with caution.
 
 Trust all mrconfig files even if they are not listed in ~/.mrtrust.
 Use with caution.
 

+=item -p
+
+=item --path
+
+This obsolete flag is ignored.
+

 =back
 
 =back
 

-=head1 "MRCONFIG FILES"
+=head1 MRCONFIG FILES

 
 Here is an example .mrconfig file:
 
   [src]
 
 Here is an example .mrconfig file:
 
   [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]


@@ -304,14 +317,18 @@ will be passed through the shell for expansion. For example,
 
 Within a section, each parameter defines a shell command to run to handle a
 given action. mr contains default handlers for "update", "status",
 
 Within a section, each parameter defines a shell command to run to handle a
 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 "git clone", "svn checkout", "bzr branch"
+or "bzr checkout" (for a bound branch), etc.

 
 Note that these shell commands are run in a "set -e" shell
 environment, where any additional parameters you pass are available in
 
 Note that these shell commands are run in a "set -e" shell
 environment, where any additional parameters you pass are available in

-"$@". The "checkout" command is run in the parent of the repository
-directory, since the repository isn't checked out yet. All other commands
-are run inside the repository, though not necessarily at the top of it.
+"$@". 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
 repository. (For the "register" action, "MR_REPO" is instead set to the 
 
 The "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 


@@ -322,6 +339,9 @@ The "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
 file, the .mrconfig file that should be modified to register the repo.
 
 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.
 

+The "MR_ACTION" environment variable is set to the command being run
+(update, checkout, etc).
+

 A few parameters have special meanings:
 
 =over 4
 A few parameters have special meanings:
 
 =over 4


@@ -337,8 +357,21 @@ 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.
 
 (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 -d foo checkout").
+
+  [foo]
+  checkout = ...
+  skip = lazy

 
 =item order
 
 
 =item order
 


@@ -364,46 +397,78 @@ part of the including file.
 Unlike all other parameters, this parameter does not need to be placed
 within a section.
 
 Unlike all other parameters, this parameter 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, vcsh, 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
+
+If the "deleted" parameter 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.
+This is useful when one mrconfig file is shared amoung multiple machines,
+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.
 
 =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.
 

+=item fixups
+
+If the "fixups" parameter 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.
+
+=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
+successfully performs the specified action. For example, "pre_commit" is
+run before committing; "post_update" is run after updating.
+

 =back
 
 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
 =back
 
 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,
+looks for a parameter named "VCS_action" (substituting in the name of the
+version control system and the action). The name of the version control
+system is itself determined by running each defined "VCS_test" action,

 until one succeeds.
 
 Internally, mr has settings for "git_update", "svn_update", etc. To change
 until one succeeds.
 
 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.
-
-The ~/.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.
+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.

 
 

-=head1 "UNTRUSTED MRCONFIG FILES"
+=head1 UNTRUSTED MRCONFIG FILES

 
 Since mrconfig files can contain arbitrary shell commands, they can do
 
 Since mrconfig files can contain arbitrary shell commands, they can do

-anything. This flexability is good, but it also allows a malicious mrconfig
+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
 file to delete your whole home directory. Such a file might be contained

-inside a repository that your main ~/.mrconfig checks out and chains to. To
-avoid worries about evil commands in a mrconfig file, mr
-has the ability to read mrconfig files in untrusted mode. Such files are
-limited to running only known safe commands (like "git clone") in a
-carefully checked manner.
+inside a repository that your main ~/.mrconfig checks out. To
+avoid worries about evil commands in a mrconfig file, mr defaults to
+reading all mrconfig files other than the main ~/.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.
+
+To configure mr to trust other mrconfig files, list them in ~/.mrtrust.
+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
+relative to your home directory.

 
 

-By default, mr trusts all mrconfig files. (This default will change in a
-future release!) But if you have a ~/.mrtrust file, mr will only trust
-mrconfig files that are listed within it. (One file per line.) All other
-files will be treated as untrusted.
+=head1 OFFLINE LOG FILE
+
+The ~/.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.

 
 =head1 EXTENSIONS
 
 
 =head1 EXTENSIONS
 


@@ -411,9 +476,13 @@ 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
 the documentation in the files for details about using them.
 
 files providing such extensions are available in /usr/share/mr/. See
 the documentation in the files for details about using them.
 

+=head1 EXIT STATUS
+
+mr returns nonzero if a command failed in any of the repositories.
+

 =head1 AUTHOR
 
 =head1 AUTHOR
 

-Copyright 2007-2009 Joey Hess <joey@kitenet.net>
+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.
 


@@ -446,7 +515,8 @@ my $no_chdir=0;
 my $jobs=1;
 my $trust_all=0;
 my $directory=getcwd();
 my $jobs=1;
 my $trust_all=0;
 my $directory=getcwd();

-$ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
+
+$ENV{MR_CONFIG}=find_mrconfig();

 
 # globals :-(
 my %config;
 
 # globals :-(
 my %config;


@@ -457,41 +527,41 @@ my (@ok, @failed, @skipped);
 
 main();
 
 
 main();
 

-my %rcs;
-sub rcs_test {
+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";
        }
 
        my $test="set -e\n";

-       foreach my $rcs_test (
+       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/;
+               $test="my_$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};
        
        }
        $test=$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 $topdir$subdir\n";
+       print "mr $action: running vcs test >>$test<<\n" if $verbose;
+       my $vcs=`$test`;
+       chomp $vcs;
+       if ($vcs=~/\n/s) {
+               $vcs=~s/\n/, /g;
+               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 (! length $vcs) {
+               return $vcs{$dir}=undef;

        }
        else {
        }
        else {

-               return $rcs{$dir}=$rcs;
+               return $vcs{$dir}=$vcs;

        }
 }
        
        }
 }
        


@@ -506,26 +576,65 @@ 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;
        }
 }
 

+sub fulldir {
+       my ($topdir, $subdir) = @_;
+       return $subdir =~ /^\// ? $subdir : $topdir.$subdir;
+}
+

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

-       
+       my $fulldir=fulldir($topdir, $subdir);
+

        $ENV{MR_CONFIG}=$configfiles{$topdir};
        my $lib=exists $config{$topdir}{$subdir}{lib} ?
                       $config{$topdir}{$subdir}{lib}."\n" : "";
        my $is_checkout=($action eq 'checkout');
        $ENV{MR_CONFIG}=$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/);

 
        $ENV{MR_REPO}=$dir;
 
        $ENV{MR_REPO}=$dir;

+       $ENV{MR_ACTION}=$action;
+       
+       foreach my $testname ("skip", "deleted") {
+               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);
+                       if ($ret != 0) {
+                               if (($? & 127) == 2) {
+                                       print STDERR "mr $action: interrupted\n";
+                                       return ABORT;
+                               }
+                               elsif ($? & 127) {
+                                       print STDERR "mr $action: $testname test received signal ".($? & 127)."\n";
+                                       return ABORT;
+                               }
+                       }
+                       if ($ret >> 8 == 0) {
+                               if ($testname eq "deleted") {
+                                       if (-d $dir) {
+                                               print STDERR "mr error: $dir should be deleted yet still exists\n";
+                                               return FAILED;
+                                       }
+                               }
+                               print "mr $action: skip $dir skipped\n" if $verbose;
+                               return SKIPPED;
+                       }
+               }
+       }

 
        if ($is_checkout) {
                if (! $force_checkout) {
 
        if ($is_checkout) {
                if (! $force_checkout) {


@@ -537,36 +646,14 @@ sub action {
                        $dir=~s/^(.*)\/[^\/]+\/?$/$1/;
                }
        }
                        $dir=~s/^(.*)\/[^\/]+\/?$/$1/;
                }
        }

-       elsif ($action =~ /update/) {
+       elsif ($is_update) {

                if (! -d $dir) {
                        return action("checkout", $dir, $topdir, $subdir);
                }
        }
 
                if (! -d $dir) {
                        return action("checkout", $dir, $topdir, $subdir);
                }
        }
 

-       my $skiptest=findcommand("skip", $dir, $topdir, $subdir, $is_checkout);

        my $command=findcommand($action, $dir, $topdir, $subdir, $is_checkout);
 
        my $command=findcommand($action, $dir, $topdir, $subdir, $is_checkout);
 

-       if (defined $skiptest) {
-               my $test="set -e;".$lib.
-                       "my_action(){ $skiptest\n }; my_action '$action'";
-               print "mr $action: running skip test >>$test<<\n" if $verbose;
-               my $ret=system($test);
-               if ($ret != 0) {
-                       if (($? & 127) == 2) {
-                               print STDERR "mr $action: interrupted\n";
-                               return ABORT;
-                       }
-                       elsif ($? & 127) {
-                               print STDERR "mr $action: skip test received signal ".($? & 127)."\n";
-                               return ABORT;
-                       }
-               }
-               if ($ret >> 8 == 0) {
-                       print "mr $action: $dir skipped per config file\n" if $verbose;
-                       return SKIPPED;
-               }
-       }
-

        if ($is_checkout && ! -d $dir) {
                print "mr $action: creating parent directory $dir\n" if $verbose;
                system("mkdir", "-p", $dir);
        if ($is_checkout && ! -d $dir) {
                print "mr $action: creating parent directory $dir\n" if $verbose;
                system("mkdir", "-p", $dir);


@@ -577,30 +664,47 @@ sub action {
                return FAILED;
        }
        elsif (! defined $command) {
                return FAILED;
        }
        elsif (! defined $command) {

-               my $rcs=rcs_test(@_);
-               if (! defined $rcs) {
-                       print STDERR "mr $action: unknown repository type and no defined $action command for $topdir$subdir\n";
+               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 {
                        return FAILED;
                }
                else {

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

                        return SKIPPED;
                }
        }
        else {
                        return SKIPPED;
                }
        }
        else {

+               my $actionmsg;

                if (! $no_chdir) {
                if (! $no_chdir) {

-                       print "mr $action: $topdir$subdir\n" unless $quiet;
+                       $actionmsg="mr $action: $fulldir";

                }
                else {
                        my $s=$directory;
                }
                else {
                        my $s=$directory;

-                       $s=~s/^\Q$topdir$subdir\E\/?//;
-                       print "mr $action: $topdir$subdir (in subdir $s)\n" unless $quiet;
+                       $s=~s/^\Q$fulldir\E\/?//;
+                       $actionmsg="mr $action: $fulldir (in subdir $s)";

                }
                }

+               print "$actionmsg\n" unless $quiet;
+
+               my $hookret=hook("pre_$action", $topdir, $subdir);
+               return $hookret if $hookret != OK;
+

                $command="set -e; ".$lib.
                        "my_action(){ $command\n }; my_action ".
                $command="set -e; ".$lib.
                        "my_action(){ $command\n }; my_action ".

-                       join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
+                       join(" ", map { s/\\/\\\\/g; s/"/\"/g; '"'.$_.'"' } @ARGV);

                print "mr $action: running >>$command<<\n" if $verbose;
                print "mr $action: running >>$command<<\n" if $verbose;

-               my $ret=system($command);
+               my $ret;
+               if ($quiet) {
+                       my $output = qx/$command 2>&1/;
+                       $ret = $?;
+                       if ($ret != 0) {
+                               print "$actionmsg\n";
+                               print STDERR $output;
+                       }
+               }
+               else {
+                       $ret=system($command);
+               }

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


@@ -628,16 +732,62 @@ sub action {
                        return FAILED;
                }
                else {
                        return FAILED;
                }
                else {

-                       if ($action eq 'checkout' && ! -d $dir) {
+                       if ($is_checkout && ! -d $dir) {

                                print STDERR "mr $action: $dir missing after checkout\n";;
                                return FAILED;
                        }
 
                                print STDERR "mr $action: $dir missing after checkout\n";;
                                return FAILED;
                        }
 

+                       my $ret=hook("post_$action", $topdir, $subdir);
+                       return $ret if $ret != OK;
+                       
+                       if (($is_checkout || $is_update)) {
+                               my $ret=hook("fixups", $topdir, $subdir);
+                               return $ret if $ret != OK;
+                       }
+                       

                        return OK;
                }
        }
 }
 
                        return OK;
                }
        }
 }
 

+sub hook {
+       my ($hook, $topdir, $subdir) = @_;
+
+       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);
+       }
+       if ($ret != 0) {
+               if (($? & 127) == 2) {
+                       print STDERR "mr $hook: interrupted\n";
+                       return ABORT;
+               }
+               elsif ($? & 127) {
+                       print STDERR "mr $hook: received signal ".($? & 127)."\n";
+                       return ABORT;
+               }
+               else {
+                       return FAILED;
+               }
+       }
+
+       return OK;
+}
+

 # run actions on multiple repos, in parallel
 sub mrs {
        my $action=shift;
 # run actions on multiple repos, in parallel
 sub mrs {
        my $action=shift;


@@ -861,22 +1011,16 @@ sub is_trusted_config {
 
        my $trustfile=$ENV{HOME}."/.mrtrust";
 
 
        my $trustfile=$ENV{HOME}."/.mrtrust";
 

-       if (! -e $trustfile) {
-               print "mr: Assuming $config is trusted.\n";
-               print "mr: For better security, you are encouraged to create ~/.mrtrust\n";
-               print "mr: and list all trusted mrconfig files in it.\n";
-               return 1;
-       }
-

        if (! %trusted) {
                $trusted{"$ENV{HOME}/.mrconfig"}=1;
        if (! %trusted) {
                $trusted{"$ENV{HOME}/.mrconfig"}=1;

-               open (TRUST, "<", $trustfile) || die "$trustfile: $!";
-               while (<TRUST>) {
-                       chomp;
-                       s/^~\//$ENV{HOME}\//;
-                       $trusted{abs_path($_)}=1;
+               if (open (TRUST, "<", $trustfile)) {
+                       while (<TRUST>) {
+                               chomp;
+                               s/^~\//$ENV{HOME}\//;
+                               $trusted{abs_path($_)}=1;
+                       }
+                       close TRUST;

                }
                }

-               close TRUST;

        }
 
        return $trusted{$config};
        }
 
        return $trusted{$config};


@@ -947,7 +1091,7 @@ 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 {


@@ -960,10 +1104,25 @@ 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 @toload;
 
 
        my @toload;
 


@@ -975,10 +1134,6 @@ sub loadconfig {
                $trusted=1;
        }
        else {
                $trusted=1;
        }
        else {

-               if (! -e $f) {
-                       return;
-               }
-

                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;
                my $absf=abs_path($f);
                if ($loaded{$absf}) {
                        return;


@@ -1013,6 +1168,10 @@ sub loadconfig {
                        }
                }
                
                        }
                }
                

+               if (! -e $f) {
+                       return;
+               }
+

                print "mr: loading config $f\n" if $verbose;
                open($in, "<", $f) || die "mr: open $f: $!\n";
        }
                print "mr: loading config $f\n" if $verbose;
                open($in, "<", $f) || die "mr: open $f: $!\n";
        }


@@ -1033,7 +1192,7 @@ sub loadconfig {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {

-                                       die "mr: illegal section \"[$section]\" in untrusted $f line $line\n";
+                                       trusterror("mr: illegal section \"[$section]\"", $f, $line, $bootstrap_url)

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


@@ -1057,13 +1216,23 @@ sub loadconfig {
                        }
 
                        if (! $trusted) {
                        }
 
                        if (! $trusted) {

-                               # Untrusted files can only contain checkout
-                               # parameters.
-                               if ($parameter ne 'checkout') {
-                                       die "mr: illegal setting \"$parameter=$value\" in untrusted $f line $line\n";
+                               # Untrusted files can only contain a few
+                               # settings in specific known-safe formats.
+                               if ($parameter eq 'checkout') {
+                                       if (! is_trusted_checkout($value)) {
+                                               trusterror("mr: illegal checkout command \"$value\"", $f, $line, $bootstrap_url);
+                                       }

                                }
                                }

-                               if (! is_trusted_checkout($value)) {
-                                       die "mr: illegal checkout command \"$value\" in untrusted $f line $line\n";
+                               elsif ($parameter eq 'order') {
+                                       # not interpreted as a command, so
+                                       # safe.
+                               }
+                               elsif ($value eq 'true' || $value eq 'false') {
+                                       # skip=true , deleted=true etc are
+                                       # safe.
+                               }
+                               else {
+                                       trusterror("mr: illegal setting \"$parameter=$value\"", $f, $line, $bootstrap_url);

                                }
                        }
 
                                }
                        }
 


@@ -1094,21 +1263,26 @@ 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";
-                                       }

                                }
                        }
                }
                                }
                        }
                }


@@ -1117,8 +1291,8 @@ sub loadconfig {
                }
        }
 
                }
        }
 

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

        }
 }
 
        }
 }
 


@@ -1342,7 +1516,7 @@ sub register {
        $ENV{MR_REPO}=~s/.*\/(.*)/$1/;
        $command="set -e; ".$config{$directory}{DEFAULT}{lib}."\n".
                "my_action(){ $command\n }; my_action ".
        $ENV{MR_REPO}=~s/.*\/(.*)/$1/;
        $command="set -e; ".$config{$directory}{DEFAULT}{lib}."\n".
                "my_action(){ $command\n }; my_action ".

-               join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
+               join(" ", map { s/\\/\\\\/g; s/"/\"/g; '"'.$_.'"' } @ARGV);

        print "mr register: running >>$command<<\n" if $verbose;
        exec($command) || die "exec: $!";
 }
        print "mr register: running >>$command<<\n" if $verbose;
        exec($command) || die "exec: $!";
 }


@@ -1374,7 +1548,7 @@ 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, $topdir);
+       loadconfig($tmpconfig, $topdir, $url);

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


@@ -1421,7 +1595,7 @@ sub expandaction {
        return $action;
 }
 
        return $action;
 }
 

-sub find_nearest_mrconfig {
+sub find_mrconfig {

        my $dir=getcwd();
        while (length $dir) {
                if (-e "$dir/.mrconfig") {
        my $dir=getcwd();
        while (length $dir) {
                if (-e "$dir/.mrconfig") {


@@ -1429,7 +1603,7 @@ sub find_nearest_mrconfig {
                }
                $dir=~s/\/[^\/]*$//;
        }
                }
                $dir=~s/\/[^\/]*$//;
        }

-       die "no .mrconfig found in path\n";
+       return "$ENV{HOME}/.mrconfig";

 }
 
 sub getopts {
 }
 
 sub getopts {


@@ -1438,7 +1612,7 @@ sub getopts {
        my $result=GetOptions(
                "d|directory=s" => sub { $directory=abs_path($_[1]) },
                "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
        my $result=GetOptions(
                "d|directory=s" => sub { $directory=abs_path($_[1]) },
                "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },

-               "p|path" => sub { $ENV{MR_CONFIG}=find_nearest_mrconfig(); $config_overridden=1 },
+               "p|path" => sub { }, # now default, ignore

                "v|verbose" => \$verbose,
                "q|quiet" => \$quiet,
                "s|stats" => \$stats,
                "v|verbose" => \$verbose,
                "q|quiet" => \$quiet,
                "s|stats" => \$stats,


@@ -1488,9 +1662,6 @@ sub exitstats {
        if (@failed) {
                exit 1;
        }
        if (@failed) {
                exit 1;
        }

-       elsif (! @ok && @skipped) {
-               exit 1;
-       }

        else {
                exit 0;
        }
        else {
                exit 0;
        }


@@ -1501,6 +1672,7 @@ sub main {
        init();
 
        startingconfig();
        init();
 
        startingconfig();

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

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


@@ -1536,7 +1708,7 @@ lib =
                if [ -z "$1" ] || [ -z "$2" ]; then
                        error "mr: usage: hours_since action num"
                fi
                if [ -z "$1" ] || [ -z "$2" ]; then
                        error "mr: usage: hours_since action num"
                fi

-               for dir in .git .svn .bzr CVS .hg _darcs; do
+               for dir in .git .svn .bzr CVS .hg _darcs _FOSSIL_; do

                        if [ -e "$MR_REPO/$dir" ]; then
                                flagfile="$MR_REPO/$dir/.mr_last$1"
                                break
                        if [ -e "$MR_REPO/$dir" ]; then
                                flagfile="$MR_REPO/$dir/.mr_last$1"
                                break


@@ -1553,6 +1725,16 @@ lib =
                        return 0
                fi
        }
                        return 0
                fi
        }

+       is_bzr_checkout() {
+               LANG=C bzr info | egrep -q '^Checkout'
+       }
+       lazy() {
+               if [ "$MR_ACTION" = checkout ] || [ -d "$MR_REPO" ]; then
+                       return 1
+               else
+                       return 0
+               fi
+       }

 
 svn_test = test -d "$MR_REPO"/.svn
 git_test = test -d "$MR_REPO"/.git
 
 svn_test = test -d "$MR_REPO"/.svn
 git_test = test -d "$MR_REPO"/.git


@@ -1560,6 +1742,7 @@ 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
 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 &&
 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 &&


@@ -1567,29 +1750,48 @@ git_bare_test =
 
 svn_update = svn update "$@"
 git_update = git pull "$@"
 
 svn_update = svn update "$@"
 git_update = git pull "$@"

-bzr_update = bzr merge --pull "$@"
+bzr_update = 
+       if is_bzr_checkout; then
+               bzr update "$@"
+       else
+               bzr merge --pull "$@"
+       fi

 cvs_update = cvs update "$@"
 hg_update  = hg pull "$@" && hg update "$@"
 darcs_update = darcs pull -a "$@"
 cvs_update = cvs update "$@"
 hg_update  = hg pull "$@" && hg update "$@"
 darcs_update = darcs pull -a "$@"

+fossil_update = fossil pull "$@"

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

-git_status = git status "$@" || true
-bzr_status = bzr status "$@"
+git_status = git status -s "$@" || true
+bzr_status = bzr status --short "$@"

 cvs_status = cvs status "$@"
 hg_status  = hg status "$@"
 darcs_status = darcs whatsnew -ls "$@" || true
 cvs_status = cvs status "$@"
 hg_status  = hg status "$@"
 darcs_status = darcs whatsnew -ls "$@" || true

+fossil_status = fossil changes "$@"

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

-bzr_commit = bzr commit "$@" && bzr push
+bzr_commit = 
+       if is_bzr_checkout; then
+               bzr commit "$@"
+       else
+               bzr commit "$@" && bzr push
+       fi

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

+fossil_commit = fossil commit "$@"

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

-bzr_record = bzr commit "$@"
+bzr_record =
+       if is_bzr_checkout; then
+               bzr commit --local "$@"
+       else
+               bzr commit "$@"
+       fi

 hg_record  = hg commit -m "$@"
 darcs_record = darcs record -a -m "$@"
 hg_record  = hg commit -m "$@"
 darcs_record = darcs record -a -m "$@"

+fossil_record = fossil commit "$@"

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


@@ -1597,6 +1799,7 @@ bzr_push = bzr push "$@"
 cvs_push = :
 hg_push = hg push "$@"
 darcs_push = darcs push -a "$@"
 cvs_push = :
 hg_push = hg push "$@"
 darcs_push = darcs push -a "$@"

+fossil_push = fossil push "$@"

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


@@ -1604,6 +1807,7 @@ bzr_diff = bzr diff "$@"
 cvs_diff = cvs diff "$@"
 hg_diff  = hg diff "$@"
 darcs_diff = darcs diff -u "$@"
 cvs_diff = cvs diff "$@"
 hg_diff  = hg diff "$@"
 darcs_diff = darcs diff -u "$@"

+fossil_diff = fossil diff "$@"

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


@@ -1612,6 +1816,9 @@ cvs_log = cvs log "$@"
 hg_log  = hg log "$@"
 darcs_log = darcs changes "$@"
 git_bare_log = git log "$@"
 hg_log  = hg log "$@"
 darcs_log = darcs changes "$@"
 git_bare_log = git log "$@"

+fossil_log = fossil timeline "$@"
+
+run = "$@"

 
 svn_register =
        url=`LC_ALL=C svn info . | grep -i '^URL:' | cut -d ' ' -f 2`
 
 svn_register =
        url=`LC_ALL=C svn info . | grep -i '^URL:' | cut -d ' ' -f 2`


@@ -1633,7 +1840,7 @@ bzr_register =
                error "cannot determine bzr url"
        fi
        echo "Registering bzr url: $url in $MR_CONFIG"
                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`


@@ -1657,15 +1864,21 @@ 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'"

+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'"

 
 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

+# fossil: messy to do

 
 
 help =
 
 
 help =