B<mr> is a Multiple Repository management tool. It allows you to register a
set of repositories in a .mrconfig file, and then checkout, update, or
-perform other actions on all of the repositories at once.
+perform other actions on the repositories as if they were one big
+respository.
Any mix of revision control systems can be used with B<mr>, and you can
define arbitrary actions for commands like "update", "checkout", or "commit".
+B<mr> cds into and operates on all registered repsitories at or below your
+working directory. Or, if you are in a subdirectory of a repository that
+contains no other registered repositories, it will stay in that directory,
+and work on only that repository,
+
The predefined commands should be fairly familiar to users of any revision
control system:
=item checkout (or co)
-Checks out all the registered repositories that are not already checked
-out.
+Checks out any repositories that are not already checked out.
=item update
-Updates each registered repository from its configured remote repository.
+Updates each repository from its configured remote repository.
If a repository isn't checked out yet, it will first check it out.
=item status
-Displays a status report for each registered repository, showing what
+Displays a status report for each repository, showing what
uncommitted changes are present in the repository.
=item commit (or ci)
-Commits changes to each registered repository. (By default, changes
-are pushed to the remote repository too, when using distributed systems
-like git.)
+Commits changes to each repository. (By default, changes are pushed to the
+remote repository too, when using distributed systems like git.)
The optional -m parameter allows specifying a commit message.
Show a diff of uncommitted changes.
+=item list
+
+List the repositories that mr will act on.
+
=item help
Displays this help.
=back
Actions can be abbreviated to any unambiguous subsctring, so
-"mr st" is equivilant to "mr status".
+"mr st" is equivilant to "mr status", and "mr up" is equivilant to "mr
+update"
+
+Additional parameters can be passed to other commands than "commit", they
+will be 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 system.
=head1 OPTIONS
=item -d directory
Specifies the topmost directory that B<mr> should work in. The default is
-the current working directory. B<mr> will operate on all registered
-repositories at or under the directory.
+the current working directory.
=item -c mrconfig
Within a section, each parameter defines a shell command to run to handle a
given action. Note that these shell commands are run in a "set -e" shell
environment, where any additional parameters you pass are available in
-"$@". B<mr> cds into the repository directory before running
-a command, except for the "checkout" command, which is run in the parent
-of the repository directory, since the repository isn't checked out yet.
+"$@". 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.
+The "MR_REPO" environment variable is set to the path to the top of the
+repository.
There are three special parameters. If the "skip" parameter is set and
its command returns nonzero, then B<mr> will skip acting on that repository.
exec($config{''}{default}{help});
}
-# handle being in a subdir of a repository
+# work out what repos to act on
+my @repos;
+my $nochdir=0;
foreach my $topdir (sort keys %config) {
foreach my $subdir (sort keys %{$config{$topdir}}) {
- if ($directory =~ /^\Q$topdir$subdir\E\//) {
- $directory=$topdir.$subdir;
+ next if $subdir eq 'default';
+ my $dir=$topdir.$subdir;
+ next if $dir ne $directory && $dir !~ /^\Q$directory\E\//;
+ push @repos, [$dir, $topdir, $subdir];
+ }
+}
+if (! @repos) {
+ # fallback to find a leaf repo
+ LEAF: foreach my $topdir (reverse sort keys %config) {
+ foreach my $subdir (reverse sort keys %{$config{$topdir}}) {
+ next if $subdir eq 'default';
+ my $dir=$topdir.$subdir;
+ my $d=$directory;
+ $dir.="/" unless $dir=~/\/$/;
+ $d.="/" unless $d=~/\/$/;
+ if ($d=~/^\Q$dir\E/) {
+ push @repos, [$dir, $topdir, $subdir];
+ last LEAF;
+ }
}
}
+ $nochdir=1;
}
my (@failed, @successful, @skipped);
-my $first=1;
-foreach my $topdir (sort keys %config) {
- foreach my $subdir (sort keys %{$config{$topdir}}) {
- next if $subdir eq 'default';
-
- my $dir=$topdir.$subdir;
-
- if (defined $directory &&
- $dir ne $directory &&
- $dir !~ /^\Q$directory\E\//) {
- next;
- }
-
- action($action, $dir, $topdir, $subdir);
- }
+foreach my $repo (@repos) {
+ action($action, @$repo);
}
sub action {
}
}
- if (! chdir($dir)) {
+ $ENV{MR_REPO}=$dir;
+ if (! $nochdir && ! chdir($dir)) {
print STDERR "mr $action: failed to chdir to $dir: $!\n";
push @skipped, $dir;
}
push @skipped, $dir;
}
else {
- print "mr $action: in $dir\n";
+ print "mr $action: $dir\n";
my $command="set -e; ".$lib.
"my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
push @successful, $dir;
}
- print "\n" unless $first;
- $first=0;
+ print "\n";
}
}
}
return;
}
-print "\n" unless $first;
+if (! @successful && ! @failed && ! @skipped) {
+ die "mr $action: no repositories found to work on\n";
+}
print "mr $action: finished (".join("; ",
showstat($#successful+1, "successful", "successful"),
showstat($#failed+1, "failed", "failed"),
exit 1; \
}
update = \
- if [ -d .svn ]; then \
+ if [ -d "$MR_REPO"/.svn ]; then \
svn update "$@"; \
- elif [ -d .git ]; then \
+ elif [ -d "$MR_REPO"/.git ]; then \
git pull origin master "$@"; \
else \
error "unknown repo type"; \
fi
status = \
- if [ -d .svn ]; then \
+ if [ -d "$MR_REPO"/.svn ]; then \
svn status "$@"; \
- elif [ -d .git ]; then \
+ elif [ -d "$MR_REPO"/.git ]; then \
git status "$@" || true; \
else \
error "unknown repo type"; \
fi
commit = \
- if [ -d .svn ]; then \
+ if [ -d "$MR_REPO"/.svn ]; then \
svn commit "$@"; \
- elif [ -d .git ]; then \
+ elif [ -d "$MR_REPO"/.git ]; then \
git commit -a "$@" && git push --all; \
else \
error "unknown repo type"; \
fi
diff = \
- if [ -d .svn ]; then \
+ if [ -d "$MR_REPO"/.svn ]; then \
svn diff "$@"; \
- elif [ -d .git ]; then \
+ elif [ -d "$MR_REPO"/.git ]; then \
git diff "$@"; \
else \
error "unknown repo type"; \
fi
+list = true
help = \
if [ ! -e "$MR_PATH" ]; then \
error "cannot find program path";\
projects / code / myrepos.git / blobdiff