#!/usr/bin/perl
+#man{{{
+
=head1 NAME
mr - a Multiple Repository management tool
B<mr> [options] diff
+B<mr> [options] log
+
+B<mr> [options] register [repository]
+
+B<mr> [options] config section ["parameter=[value]" ...]
+
B<mr> [options] action [params ...]
=head1 DESCRIPTION
-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 the repositories as if they were one big
-respository.
+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,
+bzr and darcs repositories, and support for other revision control systems can
+easily be added.
-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 repositories 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
+These predefined commands should be fairly familiar to users of any revision
control system:
=over 4
Show a diff of uncommitted changes.
-=item list
+=item log
+
+Show the commit log.
+
+=back
+
+These commands are also available:
+
+=over 4
+
+=item list (or ls)
List the repositories that mr will act on.
+=item register
+
+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 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.
+
+For example, to add (or edit) a repository in src/foo:
+
+ mr config src/foo checkout="svn co svn://example.com/foo/trunk foo"
+
+To show the command that mr uses to update the repository in src/foo:
+
+ 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.
=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"
-B<mr> operates on all registered repsitories at or below your working
-directory. Or, if you are in a subdirectory of a repository, it will act on
-only that repository.
-
-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.
+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
+system.
=head1 OPTIONS
=item -c mrconfig
-Use the specified mrconfig file, instead of looking for on in your home
-directory.
+Use the specified mrconfig file. The default is B<~/.mrconfig>
=item -v
Be verbose.
+=item -s
+
+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
B<mr> is configured by .mrconfig files. It starts by reading the .mrconfig
-file in your home directory. Each repository specified in a .mrconfig file
-can also have its own .mrconfig file in its root directory that can
-optionally be used as well. So you could have a ~/.mrconfig that registers a
-repository ~/src, that itself contains a ~/src/.mrconfig file, that in turn
-registers several additional repositories.
+file in your home directory, and this can in turn chain load .mrconfig files
+from repositories.
+
+Here is an example .mrconfig file:
+
+ [src]
+ checkout = svn co svn://svn.example.com/src/trunk src
+ chain = true
+
+ [src/linux-2.6]
+ checkout = git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git &&
+ cd linux-2.6 &&
+ git checkout -b mybranch origin/master
The .mrconfig file uses a variant of the INI file format. Lines starting with
-"#" are comments. Lines ending with "\" are continued on to the next line.
-Sections specify where each repository is located, relative to the
-directory that contains the .mrconfig file.
+"#" are comments. Values can be continued to the following line by
+indenting the line with whitespace.
+
+The "DEFAULT" section allows setting default values for the sections that
+come after it.
+
+The "ALIAS" section allows adding aliases for actions. Each parameter
+is an alias, and its value is the action to use.
+
+All other sections add repositories. The section header specifies the
+directory where the repository is located. This is relative to the directory
+that contains the mrconfig file, but you can also choose to use absolute
+paths.
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
+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.
+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.
-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.
-If the "chain" parameter is set and its command returns nonzero, 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.) 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 other commands
-can use.
+A few parameters have special meanings:
-The "default" section allows setting up default handlers for each action,
-and is overridden by the contents of other sections. mr contains default
-handlers for the "update", "status", and "commit" actions, so normally
-you only need to specify what to do for "checkout".
+=over 4
-The "alias" section allows adding aliases for commands. Each parameter
-is an alias, and its value is the command to run.
+=item skip
-For example:
+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 $1.
- [src]
- checkout = svn co svn://svn.example.com/src/trunk src
- chain = true
+Here are two examples. The first skips the repo unless
+mr is run by joey. The second uses the hours_since function
+(included in mr's built-in library) to skip updating the repo unless it's
+been at least 12 hours since the last update.
- [src/linux-2.6]
- skip = small
- checkout = git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
-
- [default]
- lib = \
- small() {
- case "$(hostname)" in; \
- slug|snail); \
- return 0; ;; ; \
- esac; \
- return 1; \
- }
+ skip = test $(whoami) != joey
+ 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.
+
+=item chain
+
+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 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.
+
+=back
=head1 AUTHOR
=cut
+#}}}
+
use warnings;
use strict;
use Getopt::Long;
use Cwd qw(getcwd abs_path);
+use POSIX "WNOHANG";
+use constant {
+ OK => 0,
+ FAILED => 1,
+ SKIPPED => 2,
+ ABORT => 3,
+};
-my $directory=getcwd();
-my $config="$ENV{HOME}/.mrconfig";
+$SIG{INT}=sub {
+ print STDERR "mr: interrupted\n";
+ exit 2;
+};
+
+$ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
+my $config_overridden=0;
my $verbose=0;
+my $stats=0;
+my $no_recurse=0;
+my $jobs=1;
my %config;
+my %configfiles;
my %knownactions;
my %alias;
+my $directory=getcwd();
Getopt::Long::Configure("no_permute");
my $result=GetOptions(
- "d=s" => sub { $directory=abs_path($_[1]) },
- "c=s" => \$config,
- "v" => \$verbose,
+ "d|directory=s" => sub { $directory=abs_path($_[1]) },
+ "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".
"(Use mr help for man page.)\n");
}
+if (! defined $directory) {
+ die("mr: failed to determine working directory\n");
+}
-loadconfig(\*DATA);
-loadconfig($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}) {
+ $action=$alias{$action};
+}
if (! exists $knownactions{$action}) {
- if (exists $alias{$action}) {
- $action=$alias{$action};
+ my @matches = grep { /^\Q$action\E/ }
+ keys %knownactions, keys %alias;
+ if (@matches == 1) {
+ $action=$matches[0];
+ }
+ elsif (@matches == 0) {
+ die "mr: unknown action \"$action\" (known actions: ".
+ join(", ", sort keys %knownactions).")\n";
}
else {
- my @matches = grep { /^\Q$action\E/ }
- keys %knownactions, keys %alias;
- if (@matches == 1) {
- $action=$matches[0];
- }
- else {
- die "mr: ambiguous action \"$action\" (matches @matches)\n";
- }
+ die "mr: ambiguous action \"$action\" (matches: ".
+ join(", ", @matches).")\n";
}
}
+# commands that do not operate on all repos
if ($action eq 'help') {
- exec($config{''}{default}{help});
+ exec($config{''}{DEFAULT}{$action}) || die "exec: $!";
}
-
-# handle being in a subdir of a repository
-my $nochdir=0;
-foreach my $topdir (sort keys %config) {
- foreach my $subdir (reverse sort keys %{$config{$topdir}}) {
- next if $subdir eq 'default';
- my $d=$directory."/";
- my $dir=$topdir.$subdir;
+elsif ($action eq 'config') {
+ if (@ARGV < 2) {
+ die "mr config: not enough parameters\n";
+ }
+ my $section=shift;
+ if ($section=~/^\//) {
+ # try to convert to a path relative to the config file
+ my ($dir)=$ENV{MR_CONFIG}=~/^(.*\/)[^\/]+$/;
+ $dir=abs_path($dir);
$dir.="/" unless $dir=~/\/$/;
- if ($d =~ /^\Q$dir\E/) {
- $directory=$topdir.$subdir;
- $nochdir=1;
- last;
+ if ($section=~/^\Q$dir\E(.*)/) {
+ $section=$1;
+ }
+ }
+ my %changefields;
+ foreach (@ARGV) {
+ if (/^([^=]+)=(.*)$/) {
+ $changefields{$1}=$2;
+ }
+ else {
+ my $found=0;
+ foreach my $topdir (sort keys %config) {
+ if (exists $config{$topdir}{$section} &&
+ exists $config{$topdir}{$section}{$_}) {
+ print $config{$topdir}{$section}{$_}."\n";
+ $found=1;
+ last if $section eq 'DEFAULT';
+ }
+ }
+ if (! $found) {
+ die "mr $action: $section $_ not set\n";
+ }
+ }
+ }
+ modifyconfig($ENV{MR_CONFIG}, $section, %changefields) if %changefields;
+ exit 0;
+}
+elsif ($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);
+ print STDERR "mr $action: running >>$command<<\n" if $verbose;
+ exec($command) || die "exec: $!";
}
-my (@failed, @successful, @skipped);
+# 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 $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 (reverse @list) {
+ my $topdir=$repo->{topdir};
+ my $subdir=$repo->{subdir};
- my $dir=$topdir.$subdir;
-
- if (defined $directory &&
- $dir ne $directory &&
- $dir !~ /^\Q$directory\E\//) {
- next;
+ 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;
}
+ }
+ $nochdir=1;
+}
- action($action, $dir, $topdir, $subdir);
+# run the action on each repository and print stats
+my (@ok, @failed, @skipped);
+if ($jobs > 1) {
+ mrs(@repos);
+}
+else {
+ foreach my $repo (@repos) {
+ record($repo, action($action, @$repo));
}
}
+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 $action: (failed: ".join(" ", @failed).")\n";
+ }
+}
+if (@failed) {
+ exit 1;
+}
+elsif (! @ok && @skipped) {
+ exit 1;
+}
+exit 0;
-sub action {
+sub action { #{{{
my ($action, $dir, $topdir, $subdir) = @_;
-
- my $lib= exists $config{$topdir}{$subdir}{lib} ?
- $config{$topdir}{$subdir}{lib} : "";
+
+ $ENV{MR_CONFIG}=$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);
}
}
$ENV{MR_REPO}=$dir;
- if (! $nochdir && ! chdir($dir)) {
- print STDERR "mr $action: failed to chdir to $dir: $!\n";
- push @skipped, $dir;
- }
if (exists $config{$topdir}{$subdir}{skip}) {
- my $ret=system($lib.$config{$topdir}{$subdir}{skip});
+ my $test="set -e;".$lib.
+ "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 (! exists $config{$topdir}{$subdir}{$action}) {
+
+ if (! $nochdir && ! chdir($dir)) {
+ print STDERR "mr $action: failed to chdir to $dir: $!\n";
+ 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 {
- print "mr $action: $dir\n";
+ if (! $nochdir) {
+ print "mr $action: $topdir$subdir\n";
+ }
+ else {
+ my $s=$directory;
+ $s=~s/^\Q$topdir$subdir\E\/?//;
+ print "mr $action: $topdir$subdir (in subdir $s)\n";
+ }
my $command="set -e; ".$lib.
- "my_action(){ $config{$topdir}{$subdir}{$action} ; }; my_action ".
+ "my_action(){ $config{$topdir}{$subdir}{$action}\n }; my_action ".
join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
+ print STDERR "mr $action: running >>$command<<\n" if $verbose;
my $ret=system($command);
if ($ret != 0) {
- print STDERR "mr $action: failed to run: $command\n" if $verbose;
- push @failed, $topdir.$subdir;
+ 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 $verbose;
if ($ret >> 8 != 0) {
print STDERR "mr $action: command failed\n";
}
elsif ($ret != 0) {
print STDERR "mr $action: command died ($ret)\n";
}
+ return FAILED;
}
else {
- push @successful, $dir;
+ if ($action eq 'checkout' && ! -d $dir) {
+ print STDERR "mr $action: $dir missing after checkout\n";;
+ return FAILED;
+ }
+
+ return OK;
}
+ }
+} #}}}
+
+# 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];
+ 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, $dir;
print "\n";
}
-}
+ elsif ($ret == FAILED) {
+ push @failed, $dir;
+ print "\n";
+ }
+ elsif ($ret == SKIPPED) {
+ push @skipped, $dir;
+ }
+ elsif ($ret == ABORT) {
+ exit 1;
+ }
+ else {
+ die "unknown exit status $ret";
+ }
+} #}}}
-sub showstat {
+sub showstat { #{{{
my $count=shift;
my $singular=shift;
my $plural=shift;
return "$count ".($count > 1 ? $plural : $singular);
}
return;
-}
-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($#failed+1, "failed", "failed"),
- showstat($#skipped+1, "skipped", "skipped"),
-).")\n";
-if (@failed) {
- exit 1;
-}
-elsif (! @successful && @skipped) {
- exit 1;
-}
-exit 0;
+} #}}}
my %loaded;
-sub loadconfig {
+sub loadconfig { #{{{
my $f=shift;
my @toload;
my $in;
my $dir;
if (ref $f eq 'GLOB') {
- $in=$f;
$dir="";
+ $in=$f;
}
else {
- # $f might be a symlink
+ if (! -e $f) {
+ return;
+ }
+
my $absf=abs_path($f);
if ($loaded{$absf}) {
return;
}
$loaded{$absf}=1;
- print "mr: loading config $f\n" if $verbose;
- open($in, "<", $f) || die "mr: open $f: $!\n";
($dir)=$f=~/^(.*\/)[^\/]+$/;
if (! defined $dir) {
$dir=".";
}
$dir=abs_path($dir)."/";
+
+ if (! exists $configfiles{$dir}) {
+ $configfiles{$dir}=$f;
+ }
# copy in defaults from first parent
my $parent=$dir;
- while ($parent=~s/^(.*)\/[^\/]+\/?$/$1/) {
+ while ($parent=~s/^(.*\/)[^\/]+\/?$/$1/) {
+ if ($parent eq '/') {
+ $parent="";
+ }
if (exists $config{$parent} &&
- exists $config{$parent}{default}) {
- $config{$dir}{default}={ %{$config{$parent}{default}} };
+ exists $config{$parent}{DEFAULT}) {
+ $config{$dir}{DEFAULT}={ %{$config{$parent}{DEFAULT}} };
last;
}
}
+
+ print "mr: loading config $f\n" if $verbose;
+ open($in, "<", $f) || die "mr: open $f: $!\n";
}
+ my @lines=<$in>;
+ close $in;
my $section;
- while (<$in>) {
+ my $line=0;
+ while (@lines) {
+ $_=shift @lines;
+ $line++;
chomp;
next if /^\s*\#/ || /^\s*$/;
- if (/^\s*\[([^\]]*)\]\s*$/) {
+ if (/^\[([^\]]*)\]\s*$/) {
$section=$1;
}
- elsif (/^\s*(\w+)\s*=\s*(.*)/) {
+ elsif (/^(\w+)\s*=\s*(.*)/) {
my $parameter=$1;
my $value=$2;
- # continuation line
- while ($value=~/(.*)\\$/) {
- $value=$1.<$in>;
+ # continued value
+ while (@lines && $lines[0]=~/^\s(.+)/) {
+ shift(@lines);
+ $line++;
+ $value.="\n$1";
chomp $value;
}
if (! defined $section) {
die "$f line $.: parameter ($parameter) not in section\n";
}
- if ($section ne 'alias' &&
+ if ($section ne 'ALIAS' &&
! exists $config{$dir}{$section} &&
- exists $config{$dir}{default}) {
+ exists $config{$dir}{DEFAULT}) {
# copy in defaults
- $config{$dir}{$section}={ %{$config{$dir}{default}} };
+ $config{$dir}{$section}={ %{$config{$dir}{DEFAULT}} };
}
- if ($section eq 'alias') {
+ if ($section eq 'ALIAS') {
$alias{$parameter}=$value;
}
elsif ($parameter eq 'lib') {
- $config{$dir}{$section}{lib}.=$value." ; ";
+ $config{$dir}{$section}{lib}.=$value."\n";
}
else {
$config{$dir}{$section}{$parameter}=$value;
$knownactions{$parameter}=1;
if ($parameter eq 'chain' &&
- length $dir && $section ne "default" &&
- -e $dir.$section."/.mrconfig" &&
- system($value) >> 8 == 0) {
- push @toload, $dir.$section."/.mrconfig";
+ length $dir && $section ne "DEFAULT" &&
+ -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";
+ }
}
}
}
else {
- die "$f line $.: parse error\n";
+ die "$f line $line: parse error\n";
}
}
- close $in;
foreach (@toload) {
loadconfig($_);
}
-}
+} #}}}
+
+sub modifyconfig { #{{{
+ my $f=shift;
+ # the section to modify or add
+ my $targetsection=shift;
+ # fields to change in the section
+ # To remove a field, set its value to "".
+ my %changefields=@_;
+
+ my @lines;
+ my @out;
+
+ if (-e $f) {
+ open(my $in, "<", $f) || die "mr: open $f: $!\n";
+ @lines=<$in>;
+ close $in;
+ }
+
+ my $formatfield=sub {
+ my $field=shift;
+ my @value=split(/\n/, shift);
+
+ return "$field = ".shift(@value)."\n".
+ join("", map { "\t$_\n" } @value);
+ };
+ my $addfields=sub {
+ my @blanks;
+ while ($out[$#out] =~ /^\s*$/) {
+ unshift @blanks, pop @out;
+ }
+ foreach my $field (sort keys %changefields) {
+ if (length $changefields{$field}) {
+ push @out, "$field = $changefields{$field}\n";
+ delete $changefields{$field};
+ }
+ }
+ push @out, @blanks;
+ };
+
+ my $section;
+ while (@lines) {
+ $_=shift(@lines);
+
+ if (/^\s*\#/ || /^\s*$/) {
+ push @out, $_;
+ }
+ elsif (/^\[([^\]]*)\]\s*$/) {
+ if (defined $section &&
+ $section eq $targetsection) {
+ $addfields->();
+ }
+
+ $section=$1;
+
+ push @out, $_;
+ }
+ elsif (/^(\w+)\s*=\s(.*)/) {
+ my $parameter=$1;
+ my $value=$2;
+
+ # continued value
+ while (@lines && $lines[0]=~/^\s(.+)/) {
+ shift(@lines);
+ $value.="\n$1";
+ chomp $value;
+ }
+
+ if ($section eq $targetsection) {
+ if (exists $changefields{$parameter}) {
+ if (length $changefields{$parameter}) {
+ $value=$changefields{$parameter};
+ }
+ delete $changefields{$parameter};
+ }
+ }
+
+ push @out, $formatfield->($parameter, $value);
+ }
+ }
+
+ if (defined $section &&
+ $section eq $targetsection) {
+ $addfields->();
+ }
+ elsif (%changefields) {
+ push @out, "\n[$targetsection]\n";
+ foreach my $field (sort keys %changefields) {
+ if (length $changefields{$field}) {
+ push @out, $formatfield->($field, $changefields{$field});
+ }
+ }
+ }
+
+ open(my $out, ">", $f) || die "mr: write $f: $!\n";
+ print $out @out;
+ close $out;
+} #}}}
# Finally, some useful actions that mr knows about by default.
# These can be overridden in ~/.mrconfig.
+#DATA{{{
__DATA__
-[alias]
- co = checkout
- ci = commit
-[default]
-lib = \
- error() { \
- echo "mr: $@" >&2; \
- exit 1; \
- }
-update = \
- if [ -d "$MR_REPO"/.svn ]; then \
- svn update "$@"; \
- elif [ -d "$MR_REPO"/.git ]; then \
- git pull origin master "$@"; \
- else \
- error "unknown repo type"; \
- fi
-status = \
- if [ -d "$MR_REPO"/.svn ]; then \
- svn status "$@"; \
- elif [ -d "$MR_REPO"/.git ]; then \
- git status "$@" || true; \
- else \
- error "unknown repo type"; \
- fi
-commit = \
- if [ -d "$MR_REPO"/.svn ]; then \
- svn commit "$@"; \
- elif [ -d "$MR_REPO"/.git ]; then \
- git commit -a "$@" && git push --all; \
- else \
- error "unknown repo type"; \
+[ALIAS]
+co = checkout
+ci = commit
+ls = list
+
+[DEFAULT]
+order = 10
+lib =
+ PWD="$pwd"
+ error() {
+ echo "mr: $@" >&2
+ exit 1
+ }
+ warning() {
+ echo "mr (warning): $@" >&2
+ }
+ info() {
+ echo "mr: $@" >&2
+ }
+ hours_since() {
+ if [ -z "$1" ] || [ -z "$2" ]; then
+ error "mr: usage: hours_since action num"
+ fi
+ for dir in .git .svn .bzr CVS .hg _darcs; do
+ if [ -e "$MR_REPO/$dir" ]; then
+ flagfile="$MR_REPO/$dir/.mr_last$1"
+ break
+ fi
+ done
+ if [ -z "$flagfile" ]; then
+ error "cannot determine flag filename"
+ fi
+ delta=$(perl -wle 'print -f shift() ? int((-M _) * 24) : 9999' "$flagfile")
+ if [ "$delta" -lt "$2" ]; then
+ exit 0
+ else
+ touch "$flagfile"
+ exit 1
+ fi
+ }
+ get_git_repo_type()
+ {
+ if [ -d "$1"/.git ] && [ -d "$1"/.git/refs/heads ] &&
+ [ -d "$1"/.git/objects ] && [ -f "$1"/.git/config ];
+ then
+ echo non-bare
+ elif [ -d "$1"/refs/heads ] && [ -d "$1"/refs/tags ] &&
+ [ -d "$1"/objects ] && [ -f "$1"/config ]; then
+ local bare
+ bare="$(GIT_CONFIG="$1"/config git-config --get core.bare)"
+ case "$bare" in
+ true) echo bare;;
+ false) echo fake-bare;;
+ *) return 255;;
+ esac
+ else
+ return 1
+ fi
+ }
+ is_git_repo() {
+ get_git_repo_type "$1" >/dev/null
+ }
+ get_repo_type() {
+ if [ -d "$1"/.svn ]; then
+ echo svn
+ elif is_git_repo "$1"; then
+ echo git
+ elif [ -d "$1"/.bzr ]; then
+ echo bzr
+ elif [ -d "$1"/CVS ]; then
+ echo CVS
+ elif [ -d "$1"/.hg ]; then
+ echo hg
+ elif [ -d "$1"/_darcs ]; then
+ echo darcs
+ else
+ echo unknown
+ fi
+ }
+
+update =
+ case "$(get_repo_type "$MR_REPO")" in
+ svn) svn update "$@";;
+ git)
+ # all this is because of a bug in git-fetch, which requires GIT_DIR set
+ local git_dir_override; git_dir_override=.git
+ case "$(get_git_repo_type "$MR_REPO")" in
+ fake-bare) git_dir_override="$MR_REPO";;
+ esac
+ args="$@"
+ [ -z "$args" ] && args="-t origin master"
+ eval GIT_DIR="$git_dir_override" git pull "$args"
+ ;;
+ bzr) bzr merge "$@";;
+ CVS) cvs update "$@";;
+ hg) hg pull "$@" && hg update "$@";;
+ darcs) darcs pull -a "$@";;
+ *) error "unknown repo type";;
+ esac
+
+status =
+ case "$(get_repo_type "$MR_REPO")" in
+ svn) svn status "$@";;
+ git) git status "$@" || :;;
+ bzr) bzr status "$@";;
+ CVS) cvs status "$@";;
+ hg) hg status "$@";;
+ darcs) darcs whatsnew -ls "$@";;
+ *) error "unknown repo type";;
+ esac
+
+commit =
+ case "$(get_repo_type "$MR_REPO")" in
+ svn) svn commit "$@";;
+ git)
+ case "$(get_git_repo_type "$MR_REPO")" in
+ bare) error "cannot commit to bare git repositories";;
+ fake-bare) error "commit does not work for fake bare git repositories (yet).";;
+ esac
+ git commit -a "$@" && git push --all
+ ;;
+ bzr) bzr commit "$@" && bzr push;;
+ CVS) cvs commit "$@";;
+ hg) hg commit -m "$@" && hg push;;
+ darcs) darcs commit -a -m "$@" && darcs push -a;;
+ *) error "unknown repo type";;
+ esac
+
+diff =
+ case "$(get_repo_type "$MR_REPO")" in
+ svn) svn diff "$@";;
+ git)
+ case "$(get_git_repo_type "$MR_REPO")" in
+ bare) error "cannot diff in bare git repositories";;
+ fake-bare) error "diff does not work for fake bare git repositories (yet).";;
+ esac
+ git diff "$@"
+ ;;
+ bzr) bzr diff "$@";;
+ CVS) cvs diff "$@";;
+ hg) hg diff "$@";;
+ darcs) darcs diff "$@";;
+ *) error "unknown repo type";;
+ esac
+
+log =
+ case "$(get_repo_type "$MR_REPO")" in
+ svn) svn log"$@";;
+ git) git log "$@";;
+ bzr) bzr log "$@";;
+ CVS) cvs log "$@";;
+ hg) hg log "$@";;
+ darcs) darcs changes "$@";;
+ *) error "unknown repo type";;
+ esac
+
+register =
+ if [ -n "$1" ]; then
+ cd "$1"
fi
-diff = \
- if [ -d "$MR_REPO"/.svn ]; then \
- svn diff "$@"; \
- elif [ -d "$MR_REPO"/.git ]; then \
- git diff "$@"; \
- else \
- error "unknown repo type"; \
+ basedir="${PWD##*/}"
+ case "$(get_repo_type .)" in
+ svn)
+ url=$(LANG=C svn info . | grep -i ^URL: | cut -d ' ' -f 2)
+ if [ -z "$url" ]; then
+ error "cannot determine svn url"
+ fi
+ echo "Registering svn url: $url in $MR_CONFIG"
+ mr -c "$MR_CONFIG" config "$PWD" checkout="svn co $url $basedir"
+ ;;
+ git)
+ local repo_type; repo_type="$(get_git_repo_type .)"
+ local config;
+ case "$repo_type" in
+ non-bare) config=.git/config;;
+ bare|fake-bare) config=config;;
+ esac
+ url="$(LANG=C GIT_CONFIG="$config" git-config --get remote.origin.url)" || :
+ if [ -z "$url" ]; then
+ error "cannot determine git url"
+ fi
+ local clone_opts add_cmd work_tree suffix
+ case "$repo_type" in
+ fake-bare)
+ # this seems like a fake bare repo and needs a worktree
+ work_tree="$(git-config --get core.worktree)" || :
+ work_tree="${work_tree%%/}/"
+ if [ ! -d "$work_tree" ]; then
+ error "git worktree '$work_tree' does not exist"
+ fi
+ clone_opts=" --no-checkout"
+ add_cmd="$add_cmd && cd $basedir"
+ add_cmd="$add_cmd && git read-tree HEAD"
+ add_cmd="$add_cmd && git checkout-index -a --prefix='$work_tree' || :"
+ add_cmd="$add_cmd; git config core.worktree '$work_tree'"
+ add_cmd="$add_cmd && mv .git/* . && rmdir .git"
+ suffix=" (with worktree $work_tree)"
+ ;;
+ bare)
+ clone_opts=" --bare"
+ suffix=" (bare repository)"
+ ;;
+ esac
+ echo "Registering git url: $url in $MR_CONFIG${suffix:-}"
+ mr -c "$MR_CONFIG" config "$PWD" checkout="git clone${clone_opts:-} $url $basedir${add_cmd:-}"
+ ;;
+ bzr)
+ url=$(cat .bzr/branch/parent)
+ if [ -z "$url" ]; then
+ error "cannot determine bzr url"
+ fi
+ echo "Registering bzr url: $url in $MR_CONFIG"
+ mr -c "$MR_CONFIG" config "$PWD" checkout="bzr clone $url $basedir"
+ ;;
+ CVS)
+ repo=$(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 $repo"
+ ;;
+ hg)
+ url=$(hg showconfig paths.default)
+ echo "Registering mercurial repo url: $url in $MR_CONFIG"
+ mr -c "$MR_CONFIG" config "$PWD" \
+ checkout="hg clone $url $basedir"
+ ;;
+ darcs)
+ url=$(cat _darcs/prefs/defaultrepo)
+ echo "Registering darcs repository $url in $MR_CONFIG"
+ mr -c "$MR_CONFIG" config "$PWD" \
+ checkout="darcs get $url $basedir"
+ ;;
+ *) error "unable to register this repo type";;
+ esac
+
+help =
+ if [ ! -e "$MR_PATH" ]; then
+ error "cannot find program path"
fi
+ (pod2man -c mr "$MR_PATH" | man -l -) || error "pod2man or man failed"
list = true
-help = \
- if [ ! -e "$MR_PATH" ]; then \
- error "cannot find program path";\
- fi; \
- (pod2man -c mr "$MR_PATH" | man -l -) || \
- error "pod2man or man failed"
+config =
+
+ed = echo "A horse is a horse, of course, of course.."
+T = echo "I pity the fool."
+right = echo "Not found."
+#}}}
+
+# vim:sw=8:sts=0:ts=8:noet
projects / code / myrepos.git / blobdiff