Block tty control codes in untrusted mr config files.

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 48c355c54a7690ef49b414136270cc05bd70858c..6e27cd5ee0e59b16d67acb21b788cef479b9dac2 100755 (executable)
--- a/mr
+++ b/mr
@@ -41,7 +41,7 @@ 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, darcs and fossil repositories, and support for other revision
+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
 control systems can easily be added.
 
 B<mr> cds into and operates on all registered repositories at or below your


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

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

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


@@ -87,14 +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
 


@@ -189,8 +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


@@ -222,7 +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
 


@@ -288,7 +290,7 @@ This obsolete flag is ignored.
 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]


@@ -315,14 +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 


@@ -333,6 +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


@@ -348,8 +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
 


@@ -375,6 +397,22 @@ 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
 =item lib
 
 The "lib" parameter can specify some shell code that will be run before each


@@ -399,15 +437,15 @@ run before committing; "post_update" is run after updating.
 
 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
 
 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 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
 


@@ -489,41 +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 ".fulldir($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;

        }
 }
        
        }
 }
        


@@ -538,11 +576,11 @@ sub findcommand {
                return undef;
        }
 
                return undef;
        }
 

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

 
 

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

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


@@ -565,6 +603,38 @@ sub action {
        my $is_update=($action =~ /update/);
 
        $ENV{MR_REPO}=$dir;
        my $is_update=($action =~ /update/);
 
        $ENV{MR_REPO}=$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) {


@@ -582,30 +652,8 @@ sub action {
                }
        }
 
                }
        }
 

-       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);


@@ -616,34 +664,47 @@ sub action {
                return FAILED;
        }
        elsif (! defined $command) {
                return FAILED;
        }
        elsif (! defined $command) {

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

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

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

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

+               my $actionmsg;

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

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

                }
                else {
                        my $s=$directory;
                        $s=~s/^\Q$fulldir\E\/?//;
                }
                else {
                        my $s=$directory;
                        $s=~s/^\Q$fulldir\E\/?//;

-                       print "mr $action: $fulldir (in subdir $s)\n" unless $quiet;
+                       $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 ".
 
                my $hookret=hook("pre_$action", $topdir, $subdir);
                return $hookret if $hookret != OK;
 
                $command="set -e; ".$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";


@@ -699,7 +760,17 @@ sub hook {
        my $shell="set -e;".$lib.
                "my_hook(){ $command\n }; my_hook";
        print "mr $hook: running >>$shell<<\n" if $verbose;
        my $shell="set -e;".$lib.
                "my_hook(){ $command\n }; my_hook";
        print "mr $hook: running >>$shell<<\n" if $verbose;

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


@@ -709,6 +780,9 @@ sub hook {
                        print STDERR "mr $hook: received signal ".($? & 127)."\n";
                        return ABORT;
                }
                        print STDERR "mr $hook: received signal ".($? & 127)."\n";
                        return ABORT;
                }

+               else {
+                       return FAILED;
+               }

        }
 
        return OK;
        }
 
        return OK;


@@ -1017,7 +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 {


@@ -1031,14 +1105,24 @@ sub is_trusted_checkout {
 }
 
 sub trusterror {
 }
 
 sub trusterror {

-       die shift()."\n".
-               "(To trust this file, list it in ~/.mrtrust.)\n";
+       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;
 


@@ -1050,10 +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;


@@ -1088,6 +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";
        }


@@ -1100,6 +1184,11 @@ sub loadconfig {
                $_=shift @lines;
                $line++;
                chomp;
                $_=shift @lines;
                $line++;
                chomp;

+
+               if (! $trusted && /[[:cntrl:]]/) {
+                       trusterror("mr: illegal control character", $f, $line, $bootstrap_url);
+               }
+

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


@@ -1108,7 +1197,7 @@ sub loadconfig {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {
                                if (! is_trusted_repo($section) ||
                                    $section eq 'ALIAS' ||
                                    $section eq 'DEFAULT') {

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

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


@@ -1132,13 +1221,23 @@ sub loadconfig {
                        }
 
                        if (! $trusted) {
                        }
 
                        if (! $trusted) {

-                               # Untrusted files can only contain checkout
-                               # parameters.
-                               if ($parameter ne 'checkout') {
-                                       trusterror "mr: illegal setting \"$parameter=$value\" in untrusted $f line $line";
+                               # Untrusted files can only contain a few
+                               # settings in specific known-safe formats.
+                               if ($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($value)) {
-                                       trusterror "mr: illegal checkout command \"$value\" in untrusted $f line $line";
+                               elsif ($value eq 'true' || $value eq 'false') {
+                                       # skip=true , deleted=true etc are
+                                       # safe.
+                               }
+                               else {
+                                       trusterror("mr: illegal setting \"$parameter=$value\"", $f, $line, $bootstrap_url);

                                }
                        }
 
                                }
                        }
 


@@ -1169,21 +1268,26 @@ 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";
-                                       }

                                }
                        }
                }
                                }
                        }
                }


@@ -1192,8 +1296,8 @@ sub loadconfig {
                }
        }
 
                }
        }
 

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

        }
 }
 
        }
 }
 


@@ -1417,7 +1521,7 @@ 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: $!";
 }


@@ -1449,7 +1553,7 @@ 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"};
 


@@ -1626,6 +1730,16 @@ 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


@@ -1641,7 +1755,12 @@ 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 "$@"
 darcs_update = darcs pull -a "$@"


@@ -1657,14 +1776,24 @@ 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 "$@" && darcs push -a
 fossil_commit = fossil commit "$@"
 
 git_record = git commit -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 "$@"

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

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


@@ -1716,7 +1845,7 @@ 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`


@@ -1749,7 +1878,7 @@ fossil_register =
 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
 # cvs: too hard
 hg_trusted_checkout = hg clone $url $repo
 darcs_trusted_checkout = darcs get $url $repo