B<mr> [options] register [repository]
-B<mr> [options] config section [parameter=[value] ...]
+B<mr> [options] config section ["parameter=[value]" ...]
B<mr> [options] action [params ...]
=head1 DESCRIPTION
-B<mr> is a Multiple Repository management tool. It
-can checkout, update, or perform other actions on
-a set of repositories as if they were one combined respository. It
-supports any combination of subversion, git, cvs, and bzr repositories,
-and support for other revision control systems can easily be added.
+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
+respository. It supports any combination of subversion, git, cvs, mecurial and
+bzr 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
=item register
-Register an existing repository in the mrconfig file. By default, the
+Register an existing repository in a mrconfig file. By default, the
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
+looking for the closest known one at or below the current directory.
+
=item config
-Adds, modifies, removes, or prints a value from the mrconfig file. The next
+Adds, modifies, removes, or prints a value from a mrconfig file. The next
parameter is the name of the section the value is in. To add or modify
values, use one or more instances of "parameter=value". Use "parameter=" to
remove a parameter. Use just "parameter" to get the value of a parameter.
mr config src/foo update
+To see the built-in library of shell functions contained in mr:
+
+ mr config DEFAULT lib
+
+The ~/.mrconfig file is used by default. To use a different config file,
+use the -c option.
+
=item help
Displays this help.
=item -c mrconfig
-Use the specified mrconfig file, instead of looking for one in your home
-directory.
+Use the specified mrconfig file. The default is B<~/.mrconfig>
=item -v
Expand the statistics line displayed at the end to include information
about exactly which repositories failed and were skipped, if any.
+=item -n
+
+Just operate on the repository for the current directory, do not
+recurse into deeper repositories.
+
+=item -j number
+
+Run the specified number of jobs in parallel. This can greatly speed up
+operations such as updates. It is not recommended for interactive
+operations.
+
=back
=head1 FILES
paths.
Within a section, each parameter defines a shell command to run to handle a
-given action. mr contains default handlers for the "update", "status", and
-"commit" actions, so normally you only need to specify what to do for
-"checkout".
+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".
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.
+
The "MR_REPO" environment variable is set to the path to the top of the
-repository, and "MR_CONFIG" is set to the topmost .mrconfig file used.
+repository. 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.
A few parameters have special meanings:
=item skip
-If the "skip" parameter is set and its command returns nonzero, then B<mr>
+If the "skip" parameter is set and its command returns true, then B<mr>
will skip acting on that repository. The command is passed the action
name in $1.
been at least 12 hours since the last update.
skip = test $(whoami) != joey
- skip = [ "$1" = update ] && [ $(hours_since "$1") -lt 12 ]
+ skip = [ "$1" = update ] && ! hours_since "$1" 12
+
+=item order
+
+The "order" parameter can be used to override the default ordering of
+repositories. The default order value is 10. Use smaller values to make
+repositories be processed earlier, and larger values to make repositories
+be processed later.
+
+Note that if a repository is located in a subdirectory of another
+repository, ordering it to be processed earlier is not recommended, as this
+can cause confusion during checkouts.
=item chain
-If the "chain" parameter is set and its command returns nonzero, then B<mr>
+If the "chain" parameter is set and its command returns true, then B<mr>
will try to load a .mrconfig file from the root of the repository. (You
should avoid chaining from repositories with untrusted committers.)
-=item deleted
-
-If the "deleted" parameter is set and its command returns nonzero, then
-B<mr> will treat the repository as deleted. It won't ever actually delete
-the repository, but it will warn if it sees the repository's directory.
-This is useful when one mrconfig file is shared amoung multiple machines,
-to keep track of and remember to delete old repositories.
-
=item lib
The "lib" parameter can specify some shell code that will be run before each
use strict;
use Getopt::Long;
use Cwd qw(getcwd abs_path);
+use POSIX "WNOHANG";
+use constant {
+ OK => 0,
+ FAILED => 1,
+ SKIPPED => 2,
+ ABORT => 3,
+};
+
+$SIG{INT}=sub {
+ print STDERR "mr: interrupted\n";
+ exit 2;
+};
$ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
+my $config_overridden=0;
my $directory=getcwd();
my $verbose=0;
my $stats=0;
+my $no_recurse=0;
+my $jobs=1;
my %config;
+my %configfiles;
my %knownactions;
my %alias;
Getopt::Long::Configure("no_permute");
my $result=GetOptions(
"d|directory=s" => sub { $directory=abs_path($_[1]) },
- "c|config=s" => \$ENV{MR_CONFIG},
+ "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
"v|verbose" => \$verbose,
"s|stats" => \$stats,
+ "n|no-recurse" => \$no_recurse,
+ "j|jobs=i" => \$jobs,
);
if (! $result || @ARGV < 1) {
die("Usage: mr [-d directory] action [params ...]\n".
}
-loadconfig(\*DATA);
-loadconfig($ENV{MR_CONFIG});
-#use Data::Dumper;
-#print Dumper(\%config);
-
+# Make sure MR_CONFIG is an absolute path, but don't use abs_path since
+# the config file might be a symlink to elsewhere, and the directory it's
+# in is significant.
+if ($ENV{MR_CONFIG} !~ /^\//) {
+ $ENV{MR_CONFIG}=getcwd()."/".$ENV{MR_CONFIG};
+}
+# Try to set MR_PATH to the path to the program.
eval {
use FindBin qw($Bin $Script);
$ENV{MR_PATH}=$Bin."/".$Script;
};
+loadconfig(\*DATA);
+loadconfig($ENV{MR_CONFIG});
+#use Data::Dumper;
+#print Dumper(\%config);
+
# alias expansion and command stemming
my $action=shift @ARGV;
if (exists $alias{$action}) {
}
}
+# commands that do not operate on all repos
if ($action eq 'help') {
exec($config{''}{DEFAULT}{$action}) || die "exec: $!";
}
}
my $section=shift;
if ($section=~/^\//) {
- # try to convert to a path relative to $config's dir
+ # try to convert to a path relative to the config file
my ($dir)=$ENV{MR_CONFIG}=~/^(.*\/)[^\/]+$/;
+ $dir=abs_path($dir);
+ $dir.="/" unless $dir=~/\/$/;
if ($section=~/^\Q$dir\E(.*)/) {
$section=$1;
}
exists $config{$topdir}{$section}{$_}) {
print $config{$topdir}{$section}{$_}."\n";
$found=1;
+ last if $section eq 'DEFAULT';
}
}
if (! $found) {
exit 0;
}
elsif ($action eq 'register') {
+ if (! $config_overridden) {
+ # Find the closest known mrconfig file to the current
+ # directory.
+ $directory.="/" unless $directory=~/\/$/;
+ foreach my $topdir (reverse sort keys %config) {
+ next unless length $topdir;
+ if ($directory=~/^\Q$topdir\E/) {
+ $ENV{MR_CONFIG}=$configfiles{$topdir};
+ last;
+ }
+ }
+ }
my $command="set -e; ".$config{''}{DEFAULT}{lib}."\n".
"my_action(){ $config{''}{DEFAULT}{$action}\n }; my_action ".
join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
exec($command) || die "exec: $!";
}
+# an ordered list of repos
+my @list;
+foreach my $topdir (sort keys %config) {
+ foreach my $subdir (sort keys %{$config{$topdir}}) {
+ push @list, {
+ topdir => $topdir,
+ subdir => $subdir,
+ order => $config{$topdir}{$subdir}{order},
+ };
+ }
+}
+@list = sort {
+ $a->{order} <=> $b->{order}
+ ||
+ $a->{topdir} cmp $b->{topdir}
+ ||
+ $a->{subdir} cmp $b->{subdir}
+ } @list;
+
# 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}}) {
+foreach my $repo (@list) {
+ my $topdir=$repo->{topdir};
+ my $subdir=$repo->{subdir};
+
+ next if $subdir eq 'DEFAULT';
+ my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
+ my $d=$directory;
+ $dir.="/" unless $dir=~/\/$/;
+ $d.="/" unless $d=~/\/$/;
+ next if $no_recurse && $d ne $dir;
+ next if $dir ne $d && $dir !~ /^\Q$d\E/;
+ push @repos, [$dir, $topdir, $subdir];
+}
+if (! @repos) {
+ # fallback to find a leaf repo
+ foreach my $repo (@list) {
+ my $topdir=$repo->{topdir};
+ my $subdir=$repo->{subdir};
+
next if $subdir eq 'DEFAULT';
my $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
my $d=$directory;
$dir.="/" unless $dir=~/\/$/;
$d.="/" unless $d=~/\/$/;
- 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 $dir=($subdir =~/^\//) ? $subdir : $topdir.$subdir;
- my $d=$directory;
- $dir.="/" unless $dir=~/\/$/;
- $d.="/" unless $d=~/\/$/;
- if ($d=~/^\Q$dir\E/) {
- push @repos, [$dir, $topdir, $subdir];
- last LEAF;
- }
+ if ($d=~/^\Q$dir\E/) {
+ push @repos, [$dir, $topdir, $subdir];
+ last;
}
}
$nochdir=1;
}
-my (@failed, @ok, @skipped);
-foreach my $repo (@repos) {
- action($action, @$repo);
+# run the action on each repository and print stats
+my (@ok, @failed, @skipped);
+if ($jobs > 1) {
+ mrs(@repos);
+}
+else {
+ foreach my $repo (@repos) {
+ record($repo, action($action, @$repo));
+ print "\n";
+ }
}
+if (! @ok && ! @failed && ! @skipped) {
+ die "mr $action: no repositories found to work on\n";
+}
+print "mr $action: finished (".join("; ",
+ showstat($#ok+1, "ok", "ok"),
+ showstat($#failed+1, "failed", "failed"),
+ showstat($#skipped+1, "skipped", "skipped"),
+).")\n";
+if ($stats) {
+ if (@skipped) {
+ print "mr $action: (skipped: ".join(" ", @skipped).")\n";
+ }
+ if (@failed) {
+ print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
+ }
+}
+if (@failed) {
+ exit 1;
+}
+elsif (! @ok && @skipped) {
+ exit 1;
+}
+exit 0;
sub action { #{{{
my ($action, $dir, $topdir, $subdir) = @_;
-
- my $lib= exists $config{$topdir}{$subdir}{lib} ?
- $config{$topdir}{$subdir}{lib}."\n" : "";
- if (exists $config{$topdir}{$subdir}{deleted}) {
- if (! -d $dir) {
- return;
- }
- else {
- my $test="set -e;".$lib.$config{$topdir}{$subdir}{deleted};
- print "mr $action: running deleted test >>$test<<\n" if $verbose;
- my $ret=system($test);
- if ($ret >> 8 == 0) {
- print STDERR "mr error: $dir should be deleted yet still exists\n\n";
- push @failed, $dir;
- return;
- }
- }
- }
+ $ENV{MR_CONFIG}=$configfiles{$topdir};
+ my $lib=exists $config{$topdir}{$subdir}{lib} ?
+ $config{$topdir}{$subdir}{lib}."\n" : "";
if ($action eq 'checkout') {
if (-d $dir) {
print "mr $action: $dir already exists, skipping checkout\n" if $verbose;
- push @skipped, $dir;
- return;
+ return SKIPPED;
}
+
$dir=~s/^(.*)\/[^\/]+\/?$/$1/;
+
+ if (! -d $dir) {
+ print "mr $action: creating parent directory $dir\n" if $verbose;
+ system("mkdir", "-p", $dir);
+ }
}
- elsif ($action eq 'update') {
+ elsif ($action =~ /update/) {
if (! -d $dir) {
return action("checkout", $dir, $topdir, $subdir);
}
"my_action(){ $config{$topdir}{$subdir}{skip}\n }; my_action '$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;
- push @skipped, $dir;
- return;
+ return SKIPPED;
}
}
if (! $nochdir && ! chdir($dir)) {
print STDERR "mr $action: failed to chdir to $dir: $!\n";
- push @failed, $dir;
+ return FAILED;
}
elsif (! exists $config{$topdir}{$subdir}{$action}) {
print STDERR "mr $action: no defined $action command for $topdir$subdir, skipping\n";
- push @skipped, $dir;
+ return SKIPPED;
}
else {
if (! $nochdir) {
print STDERR "mr $action: running >>$command<<\n" if $verbose;
my $ret=system($command);
if ($ret != 0) {
+ if (($? & 127) == 2) {
+ print STDERR "mr $action: interrupted\n";
+ return ABORT;
+ }
+ elsif ($? & 127) {
+ print STDERR "mr $action: received signal ".($? & 127)."\n";
+ return ABORT;
+ }
print STDERR "mr $action: failed ($ret)\n" if $verbose;
- push @failed, $dir;
if ($ret >> 8 != 0) {
print STDERR "mr $action: command failed\n";
}
elsif ($ret != 0) {
print STDERR "mr $action: command died ($ret)\n";
}
+ return FAILED;
}
else {
if ($action eq 'checkout' && ! -d $dir) {
print STDERR "mr $action: $dir missing after checkout\n";;
- push @failed, $dir;
- return;
+ return FAILED;
}
- push @ok, $dir;
+ return OK;
}
+ }
+} #}}}
- print "\n";
+# run actions on multiple repos, in parallel
+sub mrs { #{{{
+ $| = 1;
+ my @active;
+ my @fhs;
+ my @out;
+ my $running=0;
+ while (@fhs or @repos) {
+ while ($running < $jobs && @repos) {
+ $running++;
+ my $repo = shift @repos;
+ pipe(my $outfh, CHILD_STDOUT);
+ pipe(my $errfh, CHILD_STDERR);
+ my $pid;
+ unless ($pid = fork) {
+ die "mr $action: cannot fork: $!" unless defined $pid;
+ open(STDOUT, ">&CHILD_STDOUT") || die "mr $action cannot reopen stdout: $!";
+ open(STDERR, ">&CHILD_STDERR") || die "mr $action cannot reopen stderr: $!";
+ close CHILD_STDOUT;
+ close CHILD_STDERR;
+ close $outfh;
+ close $errfh;
+ exit action($action, @$repo);
+ }
+ close CHILD_STDOUT;
+ close CHILD_STDERR;
+ push @active, [$pid, $repo];
+ push @fhs, [$outfh, $errfh];
+ push @out, ['', ''];
+ }
+ my ($rin, $rout) = ('','');
+ my $nfound;
+ foreach my $fh (@fhs) {
+ next unless defined $fh;
+ vec($rin, fileno($fh->[0]), 1) = 1 if defined $fh->[0];
+ vec($rin, fileno($fh->[1]), 1) = 1 if defined $fh->[1];
+ }
+ $nfound = select($rout=$rin, undef, undef, 1);
+ foreach my $channel (0, 1) {
+ foreach my $i (0..$#fhs) {
+ next unless defined $fhs[$i];
+ my $fh = $fhs[$i][$channel];
+ next unless defined $fh;
+ if (vec($rout, fileno($fh), 1) == 1) {
+ my $r = '';
+ if (sysread($fh, $r, 1024) == 0) {
+ close($fh);
+ $fhs[$i][$channel] = undef;
+ if (! defined $fhs[$i][0] &&
+ ! defined $fhs[$i][1]) {
+ waitpid($active[$i][0], 0);
+ print STDOUT $out[$i][0];
+ print STDERR $out[$i][1];
+ print "\n";
+ record($active[$i][1], $? >> 8);
+ splice(@fhs, $i, 1);
+ splice(@active, $i, 1);
+ splice(@out, $i, 1);
+ $running--;
+ }
+ }
+ $out[$i][$channel] .= $r;
+ }
+ }
+ }
+ }
+} #}}}
+
+sub record { #{{{
+ my $dir=shift()->[0];
+ my $ret=shift;
+
+ if ($ret == OK) {
+ push @ok, $dir;
+ }
+ elsif ($ret == FAILED) {
+ push @failed, $dir;
+ }
+ elsif ($ret == SKIPPED) {
+ push @skipped, $dir;
+ }
+ elsif ($ret == ABORT) {
+ exit 1;
+ }
+ else {
+ die "unknown exit status $ret";
}
} #}}}
}
return;
} #}}}
-if (! @ok && ! @failed && ! @skipped) {
- die "mr $action: no repositories found to work on\n";
-}
-print "mr $action: finished (".join("; ",
- showstat($#ok+1, "ok", "ok"),
- showstat($#failed+1, "failed", "failed"),
- showstat($#skipped+1, "skipped", "skipped"),
-).")\n";
-if ($stats) {
- if (@skipped) {
- print "mr $action: (skipped: ".join(" ", @skipped).")\n";
- }
- if (@failed) {
- print "mr $action: (failed: ".join(" ", @failed).")\n";
- }
-}
-if (@failed) {
- exit 1;
-}
-elsif (! @ok && @skipped) {
- exit 1;
-}
-exit 0;
my %loaded;
sub loadconfig { #{{{
$dir=".";
}
$dir=abs_path($dir)."/";
+
+ if (! exists $configfiles{$dir}) {
+ $configfiles{$dir}=$f;
+ }
# copy in defaults from first parent
my $parent=$dir;
$knownactions{$parameter}=1;
if ($parameter eq 'chain' &&
length $dir && $section ne "DEFAULT" &&
- -e $dir.$section."/.mrconfig" &&
- system($value) >> 8 == 0) {
- push @toload, $dir.$section."/.mrconfig";
+ -e $dir.$section."/.mrconfig") {
+ my $ret=system($value);
+ if ($ret != 0) {
+ if (($? & 127) == 2) {
+ print STDERR "mr $action: chain test interrupted\n";
+ exit 2;
+ }
+ elsif ($? & 127) {
+ print STDERR "mr $action: chain test received signal ".($? & 127)."\n";
+ }
+ }
+ else {
+ push @toload, $dir.$section."/.mrconfig";
+ }
}
}
}
ls = list
[DEFAULT]
+order = 10
lib =
error() {
echo "mr: $@" >&2
exit 1
}
hours_since() {
- for dir in .git .svn .bzr CVS; do
+ if [ -z "$1" ] || [ -z "$2" ]; then
+ error "mr: usage: hours_since action num"
+ fi
+ for dir in .git .svn .bzr CVS .hg; do
if [ -e "$MR_REPO/$dir" ]; then
flagfile="$MR_REPO/$dir/.mr_last$1"
break
if [ -z "$flagfile" ]; then
error "cannot determine flag filename"
fi
- perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile"
- touch "$flagfile"
+ delta=$(perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile")
+ if [ "$delta" -lt "$2" ]; then
+ exit 0
+ else
+ touch "$flagfile"
+ exit 1
+ fi
}
update =
if [ -d "$MR_REPO"/.svn ]; then
svn update "$@"
elif [ -d "$MR_REPO"/.git ]; then
- git pull origin master "$@"
+ if [ -z "$@" ]; then
+ git pull -t origin master
+ else
+ git pull "$@"
+ fi
elif [ -d "$MR_REPO"/.bzr ]; then
bzr merge "$@"
elif [ -d "$MR_REPO"/CVS ]; then
cvs update "$@"
+ elif [ -d "$MR_REPO"/.hg ]; then
+ hg pull "$@" && hg update "$@"
else
error "unknown repo type"
fi
bzr status "$@"
elif [ -d "$MR_REPO"/CVS ]; then
cvs status "$@"
+ elif [ -d "$MR_REPO"/.hg ]; then
+ hg status "$@"
else
error "unknown repo type"
fi
bzr commit "$@" && bzr push
elif [ -d "$MR_REPO"/CVS ]; then
cvs commit "$@"
+ elif [ -d "$MR_REPO"/.hg ]; then
+ hg commit -m "$@" && hg push
else
error "unknown repo type"
fi
bzr diff "$@"
elif [ -d "$MR_REPO"/CVS ]; then
cvs diff "$@"
+ elif [ -d "$MR_REPO"/.hg ]; then
+ hg diff "$@"
else
error "unknown repo type"
fi
bzr log "$@"
elif [ -d "$MR_REPO"/CVS ]; then
cvs log "$@"
+ elif [ -d "$MR_REPO"/.hg ]; then
+ hg log "$@"
else
error "unknown repo type"
fi
if [ -z "$url" ]; then
error "cannot determine svn url"
fi
- echo "Registering svn url: $url"
+ echo "Registering svn url: $url in $MR_CONFIG"
mr -c "$MR_CONFIG" config "$(pwd)" checkout="svn co $url $basedir"
elif [ -d .git ]; then
url=$(LANG=C git-config --get remote.origin.url)
if [ -z "$url" ]; then
error "cannot determine git url"
fi
- echo "Registering git url: $url"
+ echo "Registering git url: $url in $MR_CONFIG"
mr -c "$MR_CONFIG" config "$(pwd)" checkout="git clone $url $basedir"
elif [ -d .bzr ]; then
url=$(cat .bzr/branch/parent)
if [ -z "$url" ]; then
error "cannot determine bzr url"
fi
- echo "Registering bzr url: $url"
+ echo "Registering bzr url: $url in $MR_CONFIG"
mr -c "$MR_CONFIG" config "$(pwd)" checkout="bzr clone $url $basedir"
+ elif [ -d CVS ]; then
+ repo=$(cat CVS/Repository)
+ root=$(cat CVS/Root)
+ if [ -z "$root" ]; then
+ error "cannot determine cvs root"
+ fi
+ echo "Registering cvs repository $repo at root $root"
+ mr -c "$MR_CONFIG" config "$(pwd)" \
+ checkout="cvs -d '$root' co -d $basedir $repo"
+ elif [ -d .hg ]; then
+ url=$(hg showconfig paths.default)
+ echo "Registering mercurial repo url: $url in $MR_CONFIG"
+ mr -c "$MR_CONFIG" config "$(pwd)" \
+ checkout="hg clone $url $basedir"
else
error "unable to register this repo type"
fi
projects / code / myrepos.git / blobdiff