X-Git-Url: https://git.madduck.net/code/myrepos.git/blobdiff_plain/1ff64653e8a4b53b1a132e1fed293de8d170d7ce..7cbacd59bf538bac9e5868a005be162b265e44d6:/mr?ds=inline

diff --git a/mr b/mr
index 5e0ac7f..e96a3dc 100755
--- a/mr
+++ b/mr
@@ -1,7 +1,5 @@
 #!/usr/bin/perl
 
-#man{{{
-
 =head1 NAME
 
 mr - a Multiple Repository management tool
@@ -16,6 +14,8 @@ B<mr> [options] status
 
 B<mr> [options] commit [-m "message"]
 
+B<mr> [options] record [-m "message"]
+
 B<mr> [options] diff
 
 B<mr> [options] log
@@ -26,11 +26,15 @@ B<mr> [options] config section ["parameter=[value]" ...]
 
 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
 perform other actions on a set of repositories as if they were one combined
-respository. It supports any combination of subversion, git, cvs, mecurial,
+repository. It supports any combination of subversion, git, cvs, mecurial,
 bzr and darcs repositories, and support for other revision control systems can
 easily be added.
 
@@ -62,10 +66,24 @@ uncommitted changes are present in the repository.
 =item commit (or ci)
 
 Commits changes to each repository. (By default, changes are pushed to the
-remote repository too, when using distributed systems like git.)
+remote repository too, when using distributed systems like git. If you
+don't like this default, you can change it in your .mrconfig, or use record
+instead.)
+
+The optional -m parameter allows specifying a commit message.
+
+=item record
+
+Records changes to the local repository, but does not push them to the
+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.
@@ -115,14 +133,32 @@ 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.
 
+=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.
 
 =back
 
-Actions can be abbreviated to any unambiguous subsctring, so
-"mr st" is equivilant to "mr status", and "mr up" is equivilant to "mr
+Actions can be abbreviated to any unambiguous substring, so
+"mr st" is equivalent to "mr status", and "mr up" is equivalent to "mr
 update"
 
 Additional parameters can be passed to most commands, and are passed on
@@ -147,26 +183,49 @@ Use the specified mrconfig file. The default is B<~/.mrconfig>
 
 Be verbose.
 
+=item -q
+
+Be quiet.
+
 =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
+=item -i
+
+Interactive mode. If a repository fails to be processed, a subshell will be
+started which you can use to resolve or investigate the problem. Exit the
+subshell to continue the mr run.
+
+=item -n [number]
+
+If no number if specified, just operate on the repository for the current
+directory, do not recurse into deeper repositories.
+
+If a number is specified, will recurse into repositories at most that many
+subdirectories deep. For example, with -n 2 it would recurse into ./src/foo,
+but not ./src/packages/bar.
 
-Just operate on the repository for the current directory, do not 
-recurse into deeper repositories.
+=item -j [number]
 
-=item -j number
+Run the specified number of jobs in parallel, or an unlimited number of jobs
+with no number specified. This can greatly speed up operations such as updates.
+It is not recommended for interactive operations.
 
-Run the specified number of jobs in parallel. 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
+ssh connection limits. Running between 3 and 5 jobs at a time will yeild
+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.
@@ -195,7 +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
-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",
@@ -290,8 +351,6 @@ http://kitenet.net/~joey/code/mr/
 
 =cut
 
-#}}}
-
 use warnings;
 use strict;
 use Getopt::Long;
@@ -308,8 +367,10 @@ use constant {
 # configurables
 my $config_overridden=0;
 my $verbose=0;
+my $quiet=0;
 my $stats=0;
-my $no_recurse=0;
+my $interactive=0;
+my $max_depth;
 my $no_chdir=0;
 my $jobs=1;
 my $directory=getcwd();
@@ -325,7 +386,7 @@ my (@ok, @failed, @skipped);
 main();
 
 my %rcs;
-sub rcs_test { #{{{
+sub rcs_test {
 	my ($action, $dir, $topdir, $subdir) = @_;
 
 	if (exists $rcs{$dir}) {
@@ -360,9 +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}) {
@@ -382,16 +443,18 @@ 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" : "";
 	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;
@@ -406,8 +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);
 
@@ -454,12 +515,12 @@ sub action { #{{{
 	}
 	else {
 		if (! $no_chdir) {
-			print "mr $action: $topdir$subdir\n";
+			print "mr $action: $topdir$subdir\n" unless $quiet;
 		}
 		else {
 			my $s=$directory;
 			$s=~s/^\Q$topdir$subdir\E\/?//;
-			print "mr $action: $topdir$subdir (in subdir $s)\n";
+			print "mr $action: $topdir$subdir (in subdir $s)\n" unless $quiet;
 		}
 		$command="set -e; ".$lib.
 			"my_action(){ $command\n }; my_action ".
@@ -478,6 +539,14 @@ sub action { #{{{
 			print STDERR "mr $action: failed ($ret)\n" if $verbose;
 			if ($ret >> 8 != 0) {
 				print STDERR "mr $action: command failed\n";
+				if (-e "$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";
@@ -493,10 +562,10 @@ sub action { #{{{
 			return OK;
 		}
 	}
-} #}}}
+}
 
 # run actions on multiple repos, in parallel
-sub mrs { #{{{
+sub mrs {
 	my $action=shift;
 	my @repos=@_;
 
@@ -506,7 +575,7 @@ sub mrs { #{{{
 	my @out;
 	my $running=0;
 	while (@fhs or @repos) {
-		while ($running < $jobs && @repos) {
+		while ((!$jobs || $running < $jobs) && @repos) {
 			$running++;
 			my $repo = shift @repos;
 			pipe(my $outfh, CHILD_STDOUT);
@@ -563,9 +632,9 @@ sub mrs { #{{{
 			}
 		}
 	}
-} #}}}
+}
 
-sub record { #{{{
+sub record {
 	my $dir=shift()->[0];
 	my $ret=shift;
 
@@ -574,6 +643,11 @@ sub record { #{{{
 		print "\n";
 	}
 	elsif ($ret == FAILED) {
+		if ($interactive) {
+			chdir($dir) unless $no_chdir;
+			print STDERR "mr: Starting interactive shell. Exit shell to continue.\n";
+			system((getpwuid($<))[8]);
+		}
 		push @failed, $dir;
 		print "\n";
 	}
@@ -586,9 +660,9 @@ sub record { #{{{
 	else {
 		die "unknown exit status $ret";
 	}
-} #}}}
+}
 
-sub showstats { #{{{
+sub showstats {
 	my $action=shift;
 	if (! @ok && ! @failed && ! @skipped) {
 		die "mr $action: no repositories found to work on\n";
@@ -597,18 +671,18 @@ sub showstats { #{{{
 		showstat($#ok+1, "ok", "ok"),
 		showstat($#failed+1, "failed", "failed"),
 		showstat($#skipped+1, "skipped", "skipped"),
-	).")\n";
+	).")\n" unless $quiet;
 	if ($stats) {
 		if (@skipped) {
-			print "mr $action: (skipped: ".join(" ", @skipped).")\n";
+			print "mr $action: (skipped: ".join(" ", @skipped).")\n" unless $quiet;
 		}
 		if (@failed) {
 			print STDERR "mr $action: (failed: ".join(" ", @failed).")\n";
 		}
 	}
-} #}}}
+}
 
-sub showstat { #{{{
+sub showstat {
 	my $count=shift;
 	my $singular=shift;
 	my $plural=shift;
@@ -616,10 +690,10 @@ sub showstat { #{{{
 		return "$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}}) {
@@ -637,10 +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};
@@ -651,8 +725,13 @@ sub selectrepos { #{{{
 		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/;
+		if (defined $max_depth) {
+			my @a=split('/', $dir);
+			my @b=split('/', $d);
+			do { } while (@a && @b && shift(@a) eq shift(@b));
+			next if @a > $max_depth || @b > $max_depth;
+		}
 		push @repos, [$dir, $topdir, $subdir];
 	}
 	if (! @repos) {
@@ -674,10 +753,22 @@ sub selectrepos { #{{{
 		$no_chdir=1;
 	}
 	return @repos;
-} #}}}
+}
+
+sub expandenv {
+	my $val=shift;
+	
+
+	if ($val=~/\$/) {
+		$val=`echo "$val"`;
+		chomp $val;
+	}
+	
+	return $val;
+}
 
 my %loaded;
-sub loadconfig { #{{{
+sub loadconfig {
 	my $f=shift;
 
 	my @toload;
@@ -736,7 +827,7 @@ sub loadconfig { #{{{
 		chomp;
 		next if /^\s*\#/ || /^\s*$/;
 		if (/^\[([^\]]*)\]\s*$/) {
-			$section=$1;
+			$section=expandenv($1);
 		}
 		elsif (/^(\w+)\s*=\s*(.*)/) {
 			my $parameter=$1;
@@ -753,6 +844,9 @@ sub loadconfig { #{{{
 			if ($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;
 			}
 
@@ -806,9 +900,9 @@ sub loadconfig { #{{{
 	foreach (@toload) {
 		loadconfig($_);
 	}
-} #}}}
+}
 
-sub modifyconfig { #{{{
+sub modifyconfig {
 	my $f=shift;
 	# the section to modify or add
 	my $targetsection=shift;
@@ -859,7 +953,7 @@ sub modifyconfig { #{{{
 				$addfields->();
 			}
 
-			$section=$1;
+			$section=expandenv($1);
 
 			push @out, $_;
 		}
@@ -903,9 +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
@@ -918,8 +1012,15 @@ sub dispatch { #{{{
 	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 ($jobs > 1) {
+	if (!$jobs || $jobs > 1) {
 		mrs($action, selectrepos());
 	}
 	else {
@@ -927,13 +1028,13 @@ sub dispatch { #{{{
 			record($repo, action($action, @$repo));
 		}
 	}
-} #}}}
+}
 
-sub help { #{{{
+sub help {
 	exec($config{''}{DEFAULT}{help}) || die "exec: $!";
-} #}}}
-	
-sub config { #{{{
+}
+
+sub config {
 	if (@_ < 2) {
 		die "mr config: not enough parameters\n";
 	}
@@ -969,10 +1070,15 @@ sub config { #{{{
 	}
 	modifyconfig($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 $directory=~/\/$/;
@@ -1009,10 +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};
@@ -1033,25 +1139,34 @@ 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]) },
 		"c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
 		"v|verbose" => \$verbose,
+		"q|quiet" => \$quiet,
 		"s|stats" => \$stats,
-		"n|no-recurse" => \$no_recurse,
-		"j|jobs=i" => \$jobs,
+		"i|interactive" => \$interactive,
+		"n|no-recurse:i" => \$max_depth,
+		"j|jobs:i" => \$jobs,
 	);
 	if (! $result || @ARGV < 1) {
 		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 {
 	$SIG{INT}=sub {
 		print STDERR "mr: interrupted\n";
 		exit 2;
@@ -1073,15 +1188,16 @@ sub init { #{{{
 		use FindBin qw($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);
@@ -1095,11 +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
@@ -1153,7 +1268,7 @@ git_bare_test =
 	test "`GIT_CONFIG="$MR_REPO"/config git config --get core.bare`" = true
 
 svn_update = svn update "$@"
-git_update = if [ "$@" ]; then git pull "$@"; else git pull -t origin master; fi
+git_update = git pull "$@"
 bzr_update = bzr merge "$@"
 cvs_update = cvs update "$@"
 hg_update  = hg pull "$@" && hg update "$@"
@@ -1164,21 +1279,33 @@ git_status = git status "$@" || true
 bzr_status = bzr status "$@"
 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
 bzr_commit = bzr commit "$@" && bzr push
 cvs_commit = cvs commit "$@"
 hg_commit  = hg commit -m "$@" && hg push
-darcs_commit = darcs commit -a -m "$@" && darcs push -a
+darcs_commit = darcs record -a -m "$@" && darcs push -a
+
+git_record = git commit -a "$@"
+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 "$@"
 cvs_diff = cvs diff "$@"
 hg_diff  = hg diff "$@"
-darcs_diff = darcs diff "$@"
+darcs_diff = darcs diff -u "$@"
 
 svn_log = svn log "$@"
 git_log = git log "$@"
@@ -1189,21 +1316,21 @@ darcs_log = darcs changes "$@"
 git_bare_log = git log "$@"
 
 svn_register =
-	url=`LANG=C svn info . | grep -i '^URL:' | cut -d ' ' -f 2`
+	url=`LC_ALL=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 '$url' '$MR_REPO'"
 git_register = 
-	url="`LANG=C git config --get remote.origin.url`" || true
+	url="`LC_ALL=C git config --get remote.origin.url`" || true
 	if [ -z "$url" ]; then
 		error "cannot determine git url"
 	fi
 	echo "Registering git url: $url in $MR_CONFIG"
 	mr -c "$MR_CONFIG" config "`pwd`" checkout="git clone '$url' '$MR_REPO'"
 bzr_register =
-	url=`cat .bzr/branch/parent`
+	url="`LC_ALL=C bzr info . | egrep -i 'checkout of branch|parent branch' | awk '{print $NF}'`"
 	if [ -z "$url" ]; then
 		error "cannot determine bzr url"
 	fi
@@ -1224,9 +1351,9 @@ hg_register =
 darcs_register = 
 	url=`cat _darcs/prefs/defaultrepo`
 	echo "Registering darcs repository $url in $MR_CONFIG"
-	mr -c "$MR_CONFIG" config "`pwd`" checkout="darcs get '$url'p '$MR_REPO'"
+	mr -c "$MR_CONFIG" config "`pwd`" checkout="darcs get '$url' '$MR_REPO'"
 git_bare_register = 
-	url="`LANG=C GIT_CONFIG=config git config --get remote.origin.url`" || true
+	url="`LC_ALL=C GIT_CONFIG=config git config --get remote.origin.url`" || true
 	if [ -z "$url" ]; then
 		error "cannot determine git url"
 	fi
@@ -1237,13 +1364,40 @@ help =
 	if [ ! -e "$MR_PATH" ]; then
 		error "cannot find program path"
 	fi
-	(pod2man -c mr "$MR_PATH" | man -l -) || error "pod2man or man failed"
+	tmp=$(mktemp -t mr.XXXXXXXXXX) || error "mktemp failed"
+	trap "rm -f $tmp" exit
+	pod2man -c mr "$MR_PATH" > "$tmp" || error "pod2man failed"
+	man -l "$tmp" || error "man failed"
 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."
-#}}}
 
 # vim:sw=8:sts=0:ts=8:noet