add docs and getopt

[code/myrepos.git] / mr

diff --git a/mr b/mr
index a58b52ba1a719b08208ee04fa01014e9535d41bf..e96a3dccbb62eb5e26f4b41a8d28d8cba193d4b7 100755 (executable)
--- a/mr
+++ b/mr
@@ -1,13 +1,11 @@
 #!/usr/bin/perl
 
-#man{{{
-
 =head1 NAME
 
 mr - a Multiple Repository management tool
 
 =head1 SYNOPSIS
-/
+
 B<mr> [options] checkout
 
 B<mr> [options] update
@@ -81,6 +79,11 @@ remote repository. Only supported for distributed revision 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
+centralized revision control systems.
+
 =item diff
 
 Show a diff of uncommitted changes.
@@ -348,8 +351,6 @@ http://kitenet.net/~joey/code/mr/
 
 =cut
 
-#}}}
-
 use warnings;
 use strict;
 use Getopt::Long;
@@ -385,7 +386,7 @@ my (@ok, @failed, @skipped);
 main();
 
 my %rcs;
-sub rcs_test { #{{{
+sub rcs_test {
        my ($action, $dir, $topdir, $subdir) = @_;
 
        if (exists $rcs{$dir}) {
@@ -420,9 +421,9 @@ sub rcs_test { #{{{
        else {
                return $rcs{$dir}=$rcs;
        }
-} #}}}
+}
        
-sub findcommand { #{{{
+sub findcommand {
        my ($action, $dir, $topdir, $subdir, $is_checkout) = @_;
        
        if (exists $config{$topdir}{$subdir}{$action}) {
@@ -442,11 +443,11 @@ sub findcommand { #{{{
        else {
                return undef;
        }
-} #}}}
+}
 
-sub action { #{{{
+sub action {
        my ($action, $dir, $topdir, $subdir) = @_;
-
+       
        $ENV{MR_CONFIG}=$configfiles{$topdir};
        my $lib=exists $config{$topdir}{$subdir}{lib} ?
                       $config{$topdir}{$subdir}{lib}."\n" : "";
@@ -539,8 +540,12 @@ sub action { #{{{
                        if ($ret >> 8 != 0) {
                                print STDERR "mr $action: command failed\n";
                                if (-e "$ENV{HOME}/.mrlog" && $action ne 'remember') {
-                                       @ARGV=($action, @ARGV);
+                                       # recreate original command line to
+                                       # remember, and avoid recursing
+                                       my @orig=@ARGV;
+                                       @ARGV=('-n', $action, @orig);
                                        action("remember", $dir, $topdir, $subdir);
+                                       @ARGV=@orig;
                                }
                        }
                        elsif ($ret != 0) {
@@ -557,10 +562,10 @@ sub action { #{{{
                        return OK;
                }
        }
-} #}}}
+}
 
 # run actions on multiple repos, in parallel
-sub mrs { #{{{
+sub mrs {
        my $action=shift;
        my @repos=@_;
 
@@ -627,9 +632,9 @@ sub mrs { #{{{
                        }
                }
        }
-} #}}}
+}
 
-sub record { #{{{
+sub record {
        my $dir=shift()->[0];
        my $ret=shift;
 
@@ -655,9 +660,9 @@ sub record { #{{{
        else {
                die "unknown exit status $ret";
        }
-} #}}}
+}
 
-sub showstats { #{{{
+sub showstats {
        my $action=shift;
        if (! @ok && ! @failed && ! @skipped) {
                die "mr $action: no repositories found to work on\n";
@@ -675,9 +680,9 @@ sub showstats { #{{{
                        print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
                }
        }
-} #}}}
+}
 
-sub showstat { #{{{
+sub showstat {
        my $count=shift;
        my $singular=shift;
        my $plural=shift;
@@ -685,10 +690,10 @@ sub showstat { #{{{
                return "$count ".($count > 1 ? $plural : $singular);
        }
        return;
-} #}}}
+}
 
 # an ordered list of repos
-sub repolist { #{{{
+sub repolist {
        my @list;
        foreach my $topdir (sort keys %config) {
                foreach my $subdir (sort keys %{$config{$topdir}}) {
@@ -706,10 +711,10 @@ sub repolist { #{{{
                             ||
                $a->{subdir} cmp $b->{subdir}
        } @list;
-} #}}}
+}
 
 # figure out which repos to act on
-sub selectrepos { #{{{
+sub selectrepos {
        my @repos;
        foreach my $repo (repolist()) {
                my $topdir=$repo->{topdir};
@@ -748,9 +753,9 @@ sub selectrepos { #{{{
                $no_chdir=1;
        }
        return @repos;
-} #}}}
+}
 
-sub expandenv { #{{{
+sub expandenv {
        my $val=shift;
        
 
@@ -760,10 +765,10 @@ sub expandenv { #{{{
        }
        
        return $val;
-} #}}}
+}
 
 my %loaded;
-sub loadconfig { #{{{
+sub loadconfig {
        my $f=shift;
 
        my @toload;
@@ -839,6 +844,9 @@ sub loadconfig { #{{{
                        if ($parameter eq "include") {
                                print "mr: including output of \"$value\"\n" if $verbose;
                                unshift @lines, `$value`;
+                               if ($?) {
+                                       print STDERR "mr: include command exited nonzero ($?)\n";
+                               }
                                next;
                        }
 
@@ -892,9 +900,9 @@ sub loadconfig { #{{{
        foreach (@toload) {
                loadconfig($_);
        }
-} #}}}
+}
 
-sub modifyconfig { #{{{
+sub modifyconfig {
        my $f=shift;
        # the section to modify or add
        my $targetsection=shift;
@@ -989,9 +997,9 @@ sub modifyconfig { #{{{
        open(my $out, ">", $f) || die "mr: write $f: $!\n";
        print $out @out;
        close $out;     
-} #}}}
+}
 
-sub dispatch { #{{{
+sub dispatch {
        my $action=shift;
 
        # actions that do not operate on all repos
@@ -1004,7 +1012,9 @@ sub dispatch { #{{{
        elsif ($action eq 'register') {
                register(@ARGV);
        }
-       elsif ($action eq 'remember') {
+       elsif ($action eq 'remember' ||
+              $action eq 'offline' ||
+              $action eq 'online') {
                my @repos=selectrepos;
                action($action, @{$repos[0]}) if @repos;
                exit 0;
@@ -1018,13 +1028,13 @@ sub dispatch { #{{{
                        record($repo, action($action, @$repo));
                }
        }
-} #}}}
+}
 
-sub help { #{{{
+sub help {
        exec($config{''}{DEFAULT}{help}) || die "exec: $!";
-} #}}}
+}
 
-sub config { #{{{
+sub config {
        if (@_ < 2) {
                die "mr config: not enough parameters\n";
        }
@@ -1060,9 +1070,9 @@ sub config { #{{{
        }
        modifyconfig($ENV{MR_CONFIG}, $section, %changefields) if %changefields;
        exit 0;
-} #}}}
+}
 
-sub register { #{{{
+sub register {
        if ($config_overridden) {
                # Find the directory that the specified config file is
                # located in.
@@ -1105,10 +1115,10 @@ sub register { #{{{
                join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
        print "mr register: running >>$command<<\n" if $verbose;
        exec($command) || die "exec: $!";
-} #}}}
+}
 
 # alias expansion and command stemming
-sub expandaction { #{{{
+sub expandaction {
        my $action=shift;
        if (exists $alias{$action}) {
                $action=$alias{$action};
@@ -1129,9 +1139,10 @@ sub expandaction { #{{{
                }
        }
        return $action;
-} #}}}
+}
 
-sub getopts { #{{{
+sub getopts {
+       my @saved=@ARGV;
        Getopt::Long::Configure("bundling", "no_permute");
        my $result=GetOptions(
                "d|directory=s" => sub { $directory=abs_path($_[1]) },
@@ -1147,9 +1158,15 @@ sub getopts { #{{{
                die("Usage: mr [-d directory] action [params ...]\n".
                    "(Use mr help for man page.)\n");
        }
-} #}}}
+       
+       $ENV{MR_SWITCHES}="";
+       foreach my $option (@saved) {
+               last if $option eq $ARGV[0];
+               $ENV{MR_SWITCHES}.="$option ";
+       }
+}
 
-sub init { #{{{
+sub init {
        $SIG{INT}=sub {
                print STDERR "mr: interrupted\n";
                exit 2;
@@ -1171,15 +1188,16 @@ sub init { #{{{
                use FindBin qw($Bin $Script);
                $ENV{MR_PATH}=$Bin."/".$Script;
        };
-} #}}}
+}
 
-sub main { #{{{
+sub main {
        getopts();
        init();
+
        loadconfig(\*DATA);
        loadconfig($ENV{MR_CONFIG});
        #use Data::Dumper; print Dumper(\%config);
-
+       
        my $action=expandaction(shift @ARGV);
        dispatch($action);
        showstats($action);
@@ -1193,11 +1211,10 @@ sub main { #{{{
        else {
                exit 0;
        }
-} #}}}
+}
 
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
-#DATA{{{
 __DATA__
 [ALIAS]
 co = checkout
@@ -1276,6 +1293,13 @@ bzr_record = bzr commit "$@"
 hg_record  = hg commit -m "$@"
 darcs_record = darcs record -a -m "$@"
 
+svn_push = :
+git_push = git push "$@"
+bzr_push = bzr push "$@"
+cvs_push = :
+hg_push = hg push "$@"
+darcs_push = darcs push -a "$@"
+
 svn_diff = svn diff "$@"
 git_diff = git diff "$@"
 bzr_diff = bzr diff "$@"
@@ -1348,22 +1372,23 @@ list = true
 config = 
 
 online =
-       if [ -e ~/.mrlog ]; then
+       if [ -s ~/.mrlog ]; then
                info "running offline commands"
                mv -f ~/.mrlog ~/.mrlog.old
-               if ! sh ~/.mrlog.old; then
-                       error "offline commands failed; left in ~/.mrlog.old"
+               if ! sh -e ~/.mrlog.old; then
+                       error "offline command failed; left in ~/.mrlog.old"
                fi
                rm -f ~/.mrlog.old
        else
                info "no offline commands to run"
        fi
 offline =
+       umask 077
        touch ~/.mrlog
        info "offline mode enabled"
 remember =
        info "remembering command: 'mr $@'"
-       command="mr -d '$(pwd)'"
+       command="mr -d '$(pwd)' $MR_SWITCHES"
        for w in "$@"; do
                command="$command '$w'"
        done
@@ -1374,6 +1399,5 @@ remember =
 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