typo

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 4c7be3d3748a0e75d8ea0ff4a134bec5019a0fea..089530556b6b12acab6f67b8e9a6869b3387328c 100755 (executable)
--- a/mr
+++ b/mr
@@ -1,7 +1,5 @@
 #!/usr/bin/perl
 
 #!/usr/bin/perl
 

-#man{{{
-

 =head1 NAME
 
 mr - a Multiple Repository management tool
 =head1 NAME
 
 mr - a Multiple Repository management tool


@@ -28,6 +26,10 @@ B<mr> [options] config section ["parameter=[value]" ...]
 
 B<mr> [options] action [params ...]
 
 
 B<mr> [options] action [params ...]
 

+B<mr> [options] [online|offline]
+
+B<mr> [options] remember action [params ...]
+

 =head1 DESCRIPTION
 
 B<mr> is a Multiple Repository management tool. It can checkout, update, or
 =head1 DESCRIPTION
 
 B<mr> is a Multiple Repository management tool. It can checkout, update, or


@@ -77,6 +79,11 @@ remote repository. Only supported for distributed revision control systems.
 
 The optional -m parameter allows specifying a commit message.
 
 
 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.
 =item diff
 
 Show a diff of uncommitted changes.


@@ -126,6 +133,24 @@ To see the built-in library of shell functions contained in mr:
 The ~/.mrconfig file is used by default. To use a different config file,
 use the -c option.
 
 The ~/.mrconfig file is used by default. To use a different config file,
 use the -c option.
 

+=item offline
+
+Advises mr that it is in offline mode. Any commands that fail in
+offline mode will be remembered, and retried when mr is told it's online.
+
+=item online
+
+Advices mr that it is in online mode again. Commands that failed while in
+offline mode will be re-run.
+
+=item remember
+
+Remember a command, to be run later when mr re-enters online mode. This
+implicitly puts mr into offline mode. The command can be any regular mr
+command. This is useful when you know that a command will fail due to being
+offline, and so don't want to run it right now at all, but just remember
+to run it when you go back online.
+

 =item help
 
 Displays this help.
 =item help
 
 Displays this help.


@@ -189,13 +214,18 @@ with no number specified. This can greatly speed up operations such as updates.
 It is not recommended for interactive operations.
 
 Note that running more than 10 jobs at a time is likely to run afoul of
 It is not recommended for interactive operations.
 
 Note that running more than 10 jobs at a time is likely to run afoul of

-ssh connection limits. Running between 3 and 5 jobs at a time will yeild
+ssh connection limits. Running between 3 and 5 jobs at a time will yield

 a good speedup in updates without loading the machine too much.
 
 =back
 
 =head1 FILES
 
 a good speedup in updates without loading the machine too much.
 
 =back
 
 =head1 FILES
 

+The ~/.mrlog file contains commands that mr has remembered to run later,
+due to being offline. You can delete or edit this file to remove commands,
+or even to add other commands for 'mr online' to run. If the file is
+present, mr assumes it is in offline mode.
+

 B<mr> is configured by .mrconfig files. It starts by reading the .mrconfig
 file in your home directory, and this can in turn chain load .mrconfig files
 from repositories.
 B<mr> is configured by .mrconfig files. It starts by reading the .mrconfig
 file in your home directory, and this can in turn chain load .mrconfig files
 from repositories.


@@ -224,7 +254,9 @@ 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
 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.
+paths. (Note that you can use environment variables in section names; they
+will be passed through the shell for expansion. For example, 
+"[$HOSTNAME]", or "[${HOSTNAME}foo]")

 
 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",


@@ -319,8 +351,6 @@ http://kitenet.net/~joey/code/mr/
 
 =cut
 
 
 =cut
 

-#}}}
-

 use warnings;
 use strict;
 use Getopt::Long;
 use warnings;
 use strict;
 use Getopt::Long;


@@ -356,7 +386,7 @@ my (@ok, @failed, @skipped);
 main();
 
 my %rcs;
 main();
 
 my %rcs;

-sub rcs_test { #{{{
+sub rcs_test {

        my ($action, $dir, $topdir, $subdir) = @_;
 
        if (exists $rcs{$dir}) {
        my ($action, $dir, $topdir, $subdir) = @_;
 
        if (exists $rcs{$dir}) {


@@ -382,7 +412,7 @@ sub rcs_test { #{{{
        chomp $rcs;
        if ($rcs=~/\n/s) {
                $rcs=~s/\n/, /g;
        chomp $rcs;
        if ($rcs=~/\n/s) {
                $rcs=~s/\n/, /g;

-               print STDERR "mr $action: found multiple possible repository types ($rcs) for $topdir$subdir\n";
+               print STDERR "mr $action: found multiple possible repository types ($rcs) for $dir\n";

                return undef;
        }
        if (! length $rcs) {
                return undef;
        }
        if (! length $rcs) {


@@ -391,9 +421,9 @@ sub rcs_test { #{{{
        else {
                return $rcs{$dir}=$rcs;
        }
        else {
                return $rcs{$dir}=$rcs;
        }

-} #}}}
+}

        
        

-sub findcommand { #{{{
+sub findcommand {

        my ($action, $dir, $topdir, $subdir, $is_checkout) = @_;
        
        if (exists $config{$topdir}{$subdir}{$action}) {
        my ($action, $dir, $topdir, $subdir, $is_checkout) = @_;
        
        if (exists $config{$topdir}{$subdir}{$action}) {


@@ -413,16 +443,18 @@ sub findcommand { #{{{
        else {
                return undef;
        }
        else {
                return undef;
        }

-} #}}}
+}

 
 

-sub action { #{{{
+sub action {

        my ($action, $dir, $topdir, $subdir) = @_;
        my ($action, $dir, $topdir, $subdir) = @_;

-
+       

        $ENV{MR_CONFIG}=$configfiles{$topdir};
        my $lib=exists $config{$topdir}{$subdir}{lib} ?
                       $config{$topdir}{$subdir}{lib}."\n" : "";
        my $is_checkout=($action eq 'checkout');
 
        $ENV{MR_CONFIG}=$configfiles{$topdir};
        my $lib=exists $config{$topdir}{$subdir}{lib} ?
                       $config{$topdir}{$subdir}{lib}."\n" : "";
        my $is_checkout=($action eq 'checkout');
 

+       $ENV{MR_REPO}=$dir;
+

        if ($is_checkout) {
                if (-d $dir) {
                        print "mr $action: $dir already exists, skipping checkout\n" if $verbose;
        if ($is_checkout) {
                if (-d $dir) {
                        print "mr $action: $dir already exists, skipping checkout\n" if $verbose;


@@ -437,8 +469,6 @@ sub action { #{{{
                }
        }
 
                }
        }
 

-       $ENV{MR_REPO}=$dir;
-

        my $skiptest=findcommand("skip", $dir, $topdir, $subdir, $is_checkout);
        my $command=findcommand($action, $dir, $topdir, $subdir, $is_checkout);
 
        my $skiptest=findcommand("skip", $dir, $topdir, $subdir, $is_checkout);
        my $command=findcommand($action, $dir, $topdir, $subdir, $is_checkout);
 


@@ -475,22 +505,22 @@ sub action { #{{{
        elsif (! defined $command) {
                my $rcs=rcs_test(@_);
                if (! defined $rcs) {
        elsif (! defined $command) {
                my $rcs=rcs_test(@_);
                if (! defined $rcs) {

-                       print STDERR "mr $action: unknown repository type and no defined $action command for $topdir$subdir\n";
+                       print STDERR "mr $action: unknown repository type and no defined $action command for $dir\n";

                        return FAILED;
                }
                else {
                        return FAILED;
                }
                else {

-                       print STDERR "mr $action: no defined action for $rcs repository $topdir$subdir, skipping\n";
+                       print STDERR "mr $action: no defined action for $rcs repository $dir, skipping\n";

                        return SKIPPED;
                }
        }
        else {
                if (! $no_chdir) {
                        return SKIPPED;
                }
        }
        else {
                if (! $no_chdir) {

-                       print "mr $action: $topdir$subdir\n" unless $quiet;
+                       print "mr $action: $dir\n" unless $quiet;

                }
                else {
                        my $s=$directory;
                }
                else {
                        my $s=$directory;

-                       $s=~s/^\Q$topdir$subdir\E\/?//;
-                       print "mr $action: $topdir$subdir (in subdir $s)\n" unless $quiet;
+                       $s=~s/^\Q$dir\E\/?//;
+                       print "mr $action: $dir (in subdir $s)\n" unless $quiet;

                }
                $command="set -e; ".$lib.
                        "my_action(){ $command\n }; my_action ".
                }
                $command="set -e; ".$lib.
                        "my_action(){ $command\n }; my_action ".


@@ -509,6 +539,14 @@ sub action { #{{{
                        print STDERR "mr $action: failed ($ret)\n" if $verbose;
                        if ($ret >> 8 != 0) {
                                print STDERR "mr $action: command failed\n";
                        print STDERR "mr $action: failed ($ret)\n" if $verbose;
                        if ($ret >> 8 != 0) {
                                print STDERR "mr $action: command failed\n";

+                               if (-e "$ENV{HOME}/.mrlog" && $action ne 'remember') {
+                                       # 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) {
                                print STDERR "mr $action: command died ($ret)\n";
                        }
                        elsif ($ret != 0) {
                                print STDERR "mr $action: command died ($ret)\n";


@@ -524,10 +562,10 @@ sub action { #{{{
                        return OK;
                }
        }
                        return OK;
                }
        }

-} #}}}
+}

 
 # run actions on multiple repos, in parallel
 
 # run actions on multiple repos, in parallel

-sub mrs { #{{{
+sub mrs {

        my $action=shift;
        my @repos=@_;
 
        my $action=shift;
        my @repos=@_;
 


@@ -594,9 +632,9 @@ sub mrs { #{{{
                        }
                }
        }
                        }
                }
        }

-} #}}}
+}

 
 

-sub record { #{{{
+sub record {

        my $dir=shift()->[0];
        my $ret=shift;
 
        my $dir=shift()->[0];
        my $ret=shift;
 


@@ -607,7 +645,7 @@ sub record { #{{{
        elsif ($ret == FAILED) {
                if ($interactive) {
                        chdir($dir) unless $no_chdir;
        elsif ($ret == FAILED) {
                if ($interactive) {
                        chdir($dir) unless $no_chdir;

-                       print STDERR "mr: starting interactive shell. Exit shell to continue.\n";
+                       print STDERR "mr: Starting interactive shell. Exit shell to continue.\n";

                        system((getpwuid($<))[8]);
                }
                push @failed, $dir;
                        system((getpwuid($<))[8]);
                }
                push @failed, $dir;


@@ -622,9 +660,9 @@ sub record { #{{{
        else {
                die "unknown exit status $ret";
        }
        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";
        my $action=shift;
        if (! @ok && ! @failed && ! @skipped) {
                die "mr $action: no repositories found to work on\n";


@@ -642,9 +680,9 @@ sub showstats { #{{{
                        print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
                }
        }
                        print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
                }
        }

-} #}}}
+}

 
 

-sub showstat { #{{{
+sub showstat {

        my $count=shift;
        my $singular=shift;
        my $plural=shift;
        my $count=shift;
        my $singular=shift;
        my $plural=shift;


@@ -652,10 +690,10 @@ sub showstat { #{{{
                return "$count ".($count > 1 ? $plural : $singular);
        }
        return;
                return "$count ".($count > 1 ? $plural : $singular);
        }
        return;

-} #}}}
+}

 
 # an ordered list of repos
 
 # an ordered list of repos

-sub repolist { #{{{
+sub repolist {

        my @list;
        foreach my $topdir (sort keys %config) {
                foreach my $subdir (sort keys %{$config{$topdir}}) {
        my @list;
        foreach my $topdir (sort keys %config) {
                foreach my $subdir (sort keys %{$config{$topdir}}) {


@@ -673,10 +711,10 @@ sub repolist { #{{{
                             ||
                $a->{subdir} cmp $b->{subdir}
        } @list;
                             ||
                $a->{subdir} cmp $b->{subdir}
        } @list;

-} #}}}
+}

 
 # figure out which repos to act on
 
 # figure out which repos to act on

-sub selectrepos { #{{{
+sub selectrepos {

        my @repos;
        foreach my $repo (repolist()) {
                my $topdir=$repo->{topdir};
        my @repos;
        foreach my $repo (repolist()) {
                my $topdir=$repo->{topdir};


@@ -715,10 +753,22 @@ sub selectrepos { #{{{
                $no_chdir=1;
        }
        return @repos;
                $no_chdir=1;
        }
        return @repos;

-} #}}}
+}
+
+sub expandenv {
+       my $val=shift;
+       
+
+       if ($val=~/\$/) {
+               $val=`echo "$val"`;
+               chomp $val;
+       }
+       
+       return $val;
+}

 
 my %loaded;
 
 my %loaded;

-sub loadconfig { #{{{
+sub loadconfig {

        my $f=shift;
 
        my @toload;
        my $f=shift;
 
        my @toload;


@@ -777,7 +827,7 @@ sub loadconfig { #{{{
                chomp;
                next if /^\s*\#/ || /^\s*$/;
                if (/^\[([^\]]*)\]\s*$/) {
                chomp;
                next if /^\s*\#/ || /^\s*$/;
                if (/^\[([^\]]*)\]\s*$/) {

-                       $section=$1;
+                       $section=expandenv($1);

                }
                elsif (/^(\w+)\s*=\s*(.*)/) {
                        my $parameter=$1;
                }
                elsif (/^(\w+)\s*=\s*(.*)/) {
                        my $parameter=$1;


@@ -794,6 +844,9 @@ sub loadconfig { #{{{
                        if ($parameter eq "include") {
                                print "mr: including output of \"$value\"\n" if $verbose;
                                unshift @lines, `$value`;
                        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;
                        }
 
                                next;
                        }
 


@@ -847,9 +900,9 @@ sub loadconfig { #{{{
        foreach (@toload) {
                loadconfig($_);
        }
        foreach (@toload) {
                loadconfig($_);
        }

-} #}}}
+}

 
 

-sub modifyconfig { #{{{
+sub modifyconfig {

        my $f=shift;
        # the section to modify or add
        my $targetsection=shift;
        my $f=shift;
        # the section to modify or add
        my $targetsection=shift;


@@ -900,7 +953,7 @@ sub modifyconfig { #{{{
                                $addfields->();
                        }
 
                                $addfields->();
                        }
 

-                       $section=$1;
+                       $section=expandenv($1);

 
                        push @out, $_;
                }
 
                        push @out, $_;
                }


@@ -944,9 +997,9 @@ sub modifyconfig { #{{{
        open(my $out, ">", $f) || die "mr: write $f: $!\n";
        print $out @out;
        close $out;     
        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
        my $action=shift;
 
        # actions that do not operate on all repos


@@ -959,6 +1012,13 @@ sub dispatch { #{{{
        elsif ($action eq 'register') {
                register(@ARGV);
        }
        elsif ($action eq 'register') {
                register(@ARGV);
        }

+       elsif ($action eq 'remember' ||
+              $action eq 'offline' ||
+              $action eq 'online') {
+               my @repos=selectrepos;
+               action($action, @{$repos[0]}) if @repos;
+               exit 0;
+       }

 
        if (!$jobs || $jobs > 1) {
                mrs($action, selectrepos());
 
        if (!$jobs || $jobs > 1) {
                mrs($action, selectrepos());


@@ -968,13 +1028,13 @@ sub dispatch { #{{{
                        record($repo, action($action, @$repo));
                }
        }
                        record($repo, action($action, @$repo));
                }
        }

-} #}}}
+}

 
 

-sub help { #{{{
+sub help {

        exec($config{''}{DEFAULT}{help}) || die "exec: $!";
        exec($config{''}{DEFAULT}{help}) || die "exec: $!";

-} #}}}
-       
-sub config { #{{{
+}
+
+sub config {

        if (@_ < 2) {
                die "mr config: not enough parameters\n";
        }
        if (@_ < 2) {
                die "mr config: not enough parameters\n";
        }


@@ -1010,10 +1070,15 @@ sub config { #{{{
        }
        modifyconfig($ENV{MR_CONFIG}, $section, %changefields) if %changefields;
        exit 0;
        }
        modifyconfig($ENV{MR_CONFIG}, $section, %changefields) if %changefields;
        exit 0;

-} #}}}
+}

 
 

-sub register { #{{{
-       if (! $config_overridden) {
+sub register {
+       if ($config_overridden) {
+               # Find the directory that the specified config file is
+               # located in.
+               ($directory)=abs_path($ENV{MR_CONFIG})=~/^(.*\/)[^\/]+$/;
+       }
+       else {

                # Find the closest known mrconfig file to the current
                # directory.
                $directory.="/" unless $directory=~/\/$/;
                # Find the closest known mrconfig file to the current
                # directory.
                $directory.="/" unless $directory=~/\/$/;


@@ -1050,10 +1115,10 @@ sub register { #{{{
                join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
        print "mr register: running >>$command<<\n" if $verbose;
        exec($command) || die "exec: $!";
                join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
        print "mr register: running >>$command<<\n" if $verbose;
        exec($command) || die "exec: $!";

-} #}}}
+}

 
 # alias expansion and command stemming
 
 # alias expansion and command stemming

-sub expandaction { #{{{
+sub expandaction {

        my $action=shift;
        if (exists $alias{$action}) {
                $action=$alias{$action};
        my $action=shift;
        if (exists $alias{$action}) {
                $action=$alias{$action};


@@ -1074,9 +1139,10 @@ sub expandaction { #{{{
                }
        }
        return $action;
                }
        }
        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]) },
        Getopt::Long::Configure("bundling", "no_permute");
        my $result=GetOptions(
                "d|directory=s" => sub { $directory=abs_path($_[1]) },


@@ -1092,9 +1158,15 @@ sub getopts { #{{{
                die("Usage: mr [-d directory] action [params ...]\n".
                    "(Use mr help for man page.)\n");
        }
                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;
        $SIG{INT}=sub {
                print STDERR "mr: interrupted\n";
                exit 2;


@@ -1116,15 +1188,16 @@ sub init { #{{{
                use FindBin qw($Bin $Script);
                $ENV{MR_PATH}=$Bin."/".$Script;
        };
                use FindBin qw($Bin $Script);
                $ENV{MR_PATH}=$Bin."/".$Script;
        };

-} #}}}
+}

 
 

-sub main { #{{{
+sub main {

        getopts();
        init();
        getopts();
        init();

+

        loadconfig(\*DATA);
        loadconfig($ENV{MR_CONFIG});
        #use Data::Dumper; print Dumper(\%config);
        loadconfig(\*DATA);
        loadconfig($ENV{MR_CONFIG});
        #use Data::Dumper; print Dumper(\%config);

-
+       

        my $action=expandaction(shift @ARGV);
        dispatch($action);
        showstats($action);
        my $action=expandaction(shift @ARGV);
        dispatch($action);
        showstats($action);


@@ -1138,11 +1211,10 @@ sub main { #{{{
        else {
                exit 0;
        }
        else {
                exit 0;
        }

-} #}}}
+}

 
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.
 
 # Finally, some useful actions that mr knows about by default.
 # These can be overridden in ~/.mrconfig.

-#DATA{{{

 __DATA__
 [ALIAS]
 co = checkout
 __DATA__
 [ALIAS]
 co = checkout


@@ -1207,7 +1279,7 @@ git_status = git status "$@" || true
 bzr_status = bzr status "$@"
 cvs_status = cvs status "$@"
 hg_status  = hg status "$@"
 bzr_status = bzr status "$@"
 cvs_status = cvs status "$@"
 hg_status  = hg status "$@"

-darcs_status = darcs whatsnew -ls "$@"
+darcs_status = darcs whatsnew -ls "$@" || true

 
 svn_commit = svn commit "$@"
 git_commit = git commit -a "$@" && git push --all
 
 svn_commit = svn commit "$@"
 git_commit = git commit -a "$@" && git push --all


@@ -1221,6 +1293,13 @@ bzr_record = bzr commit "$@"
 hg_record  = hg commit -m "$@"
 darcs_record = darcs record -a -m "$@"
 
 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 "$@"
 svn_diff = svn diff "$@"
 git_diff = git diff "$@"
 bzr_diff = bzr diff "$@"


@@ -1292,9 +1371,33 @@ help =
 list = true
 config = 
 
 list = true
 config = 
 

+online =
+       if [ -s ~/.mrlog ]; then
+               info "running offline commands"
+               mv -f ~/.mrlog ~/.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)' $MR_SWITCHES"
+       for w in "$@"; do
+               command="$command '$w'"
+       done
+       if [ ! -e ~/.mrlog ] || ! grep -q -F "$command" ~/.mrlog; then
+               echo "$command" >> ~/.mrlog
+       fi
+

 ed = echo "A horse is a horse, of course, of course.."
 T = echo "I pity the fool."
 right = echo "Not found."
 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
 
 # vim:sw=8:sts=0:ts=8:noet