Support chaining to absolute paths.

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 0bf66553c08a2dc5556810b1d11359f00e3dd973..97720d456feb136c2f6dc91eb4ef02a1a97d6775 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 revision
+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


@@ -47,7 +51,9 @@ 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
 control system:
 
 These predefined commands should be fairly familiar to users of any revision
 control system:


@@ -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
 


@@ -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 


@@ -364,12 +381,34 @@ 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.
 

+=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
 =back
 
 When looking for a command to run for a given action, mr first looks for


@@ -384,26 +423,28 @@ 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.
 
 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.
-
-=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.

 
 

-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.
+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.
+
+=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 +452,13 @@ 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 +491,8 @@ 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;


@@ -484,7 +530,7 @@ sub rcs_test {
        chomp $rcs;
        if ($rcs=~/\n/s) {
                $rcs=~s/\n/, /g;
        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 STDERR "mr $action: found multiple possible repository types ($rcs) for ".fulldir($topdir, $subdir)."\n";

                return undef;
        }
        if (! length $rcs) {
                return undef;
        }
        if (! length $rcs) {


@@ -517,15 +563,53 @@ sub findcommand {
        }
 }
 
        }
 }
 

+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;

+       
+       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 +621,14 @@ 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);


@@ -579,28 +641,45 @@ sub action {
        elsif (! defined $command) {
                my $rcs=rcs_test(@_);
                if (! defined $rcs) {
        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";
+                       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 $rcs 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 +707,62 @@ 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 +986,16 @@ 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 +1066,7 @@ 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 +1079,25 @@ 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 +1109,6 @@ 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 +1143,10 @@ 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";
        }


@@ -1033,10 +1167,16 @@ 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;

+                       if ($section ne 'ALIAS' &&
+                           ! exists $config{$dir}{$section} &&
+                           exists $config{$dir}{DEFAULT}) {
+                               # copy in defaults
+                               $config{$dir}{$section}={ %{$config{$dir}{DEFAULT}} };
+                       }

                }
                elsif (/^(\w+)\s*=\s*(.*)/) {
                        my $parameter=$1;
                }
                elsif (/^(\w+)\s*=\s*(.*)/) {
                        my $parameter=$1;


@@ -1051,13 +1191,23 @@ 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, $bootstrap_url);
+                                       }
+                               }
+                               elsif ($parameter eq 'order') {
+                                       # not interpreted as a command, so
+                                       # safe.

                                }
                                }

-                               if (! is_trusted_checkout($value)) {
-                                       die "mr: illegal checkout command \"$value\" in untrusted $f line $line\n";
+                               elsif ($value eq 'true' || $value eq 'false') {
+                                       # skip=true , deleted=true etc are
+                                       # safe.
+                               }
+                               else {
+                                       trusterror("mr: illegal setting \"$parameter=$value\"", $f, $line, $bootstrap_url);

                                }
                        }
 
                                }
                        }
 


@@ -1073,12 +1223,6 @@ sub loadconfig {
                        if (! defined $section) {
                                die "$f line $.: parameter ($parameter) not in section\n";
                        }
                        if (! defined $section) {
                                die "$f line $.: parameter ($parameter) not in section\n";
                        }

-                       if ($section ne 'ALIAS' &&
-                           ! exists $config{$dir}{$section} &&
-                           exists $config{$dir}{DEFAULT}) {
-                               # copy in defaults
-                               $config{$dir}{$section}={ %{$config{$dir}{DEFAULT}} };
-                       }

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


@@ -1094,21 +1238,26 @@ 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 +1266,8 @@ sub loadconfig {
                }
        }
 
                }
        }
 

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

        }
 }
 
        }
 }
 


@@ -1342,7 +1491,7 @@ 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 +1523,7 @@ 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 +1570,7 @@ 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 +1578,7 @@ 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 +1587,7 @@ 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 +1637,6 @@ sub exitstats {
        if (@failed) {
                exit 1;
        }
        if (@failed) {
                exit 1;
        }

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

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


@@ -1501,6 +1647,7 @@ 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 +1683,7 @@ 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


@@ -1547,12 +1694,15 @@ lib =
                fi
                delta=`perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile"`
                if [ "$delta" -lt "$2" ]; then
                fi
                delta=`perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile"`
                if [ "$delta" -lt "$2" ]; then

-                       exit 0
+                       return 1

                else
                        touch "$flagfile"
                else
                        touch "$flagfile"

-                       exit 1
+                       return 0

                fi
        }
                fi
        }

+       is_bzr_checkout() {
+               LANG=C bzr info | egrep -q '^Checkout'
+       }

 
 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 +1710,7 @@ 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 +1718,48 @@ 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 +1767,7 @@ 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 +1775,7 @@ 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 +1784,9 @@ 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 +1808,7 @@ 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 +1832,21 @@ 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 =