X-Git-Url: https://git.madduck.net/code/myrepos.git/blobdiff_plain/8faea25cdcdb8e67aee9408965ce6d990d6f51e2..416a5c247bfb6da5cfb57ad9249e637c1f709aa6:/mr?ds=inline

diff --git a/mr b/mr
index 1aee75a..c0f3e83 100755
--- a/mr
+++ b/mr
@@ -30,9 +30,9 @@ B<mr> [options] action [params ...]
 
 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.
+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.
 
 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
@@ -229,7 +229,17 @@ mr is run by joey. The second uses the hours_since function
 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.
 
 =item chain
 
@@ -276,7 +286,6 @@ $SIG{INT}=sub {
 
 $ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
 my $config_overridden=0;
-my $directory=getcwd();
 my $verbose=0;
 my $stats=0;
 my $no_recurse=0;
@@ -285,6 +294,7 @@ my %config;
 my %configfiles;
 my %knownactions;
 my %alias;
+my $directory=getcwd();
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
@@ -300,6 +310,9 @@ if (! $result || @ARGV < 1) {
 	    "(Use mr help for man page.)\n");
 
 }
+if (! defined $directory) {
+	die("mr: failed to determine working directory\n");
+}
 
 # 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
@@ -400,34 +413,55 @@ elsif ($action eq 'register') {
 	exec($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 (reverse @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
-	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;
 		}
 	}
 	$nochdir=1;
@@ -441,7 +475,6 @@ if ($jobs > 1) {
 else {
 	foreach my $repo (@repos) {
 		record($repo, action($action, @$repo));
-		print "\n";
 	}
 }
 if (! @ok && ! @failed && ! @skipped) {
@@ -488,7 +521,7 @@ sub action { #{{{
 			system("mkdir", "-p", $dir);
 		}
 	}
-	elsif ($action eq 'update') {
+	elsif ($action =~ /update/) {
 		if (! -d $dir) {
 			return action("checkout", $dir, $topdir, $subdir);
 		}
@@ -530,7 +563,9 @@ sub action { #{{{
 			print "mr $action: $topdir$subdir\n";
 		}
 		else {
-			print "mr $action: $topdir$subdir (in subdir $directory)\n";
+			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}\n }; my_action ".
@@ -579,10 +614,11 @@ sub mrs { #{{{
 			my $repo = shift @repos;
 			pipe(my $outfh, CHILD_STDOUT);
 			pipe(my $errfh, CHILD_STDERR);
-			unless (my $pid = fork) {
-				die "cannot fork: $!" unless defined $pid;
-				open(STDOUT, ">&CHILD_STDOUT") || die "reopen stdout: $!";
-				open(STDERR, ">&CHILD_STDERR") || die "reopen 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;
@@ -591,7 +627,7 @@ sub mrs { #{{{
 			}
 			close CHILD_STDOUT;
 			close CHILD_STDERR;
-			push @active, $repo;
+			push @active, [$pid, $repo];
 			push @fhs, [$outfh, $errfh];
 			push @out, ['',     ''];
 		}
@@ -615,10 +651,10 @@ sub mrs { #{{{
 						$fhs[$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], $? >> 8);
+							record($active[$i][1], $? >> 8);
 						    	splice(@fhs, $i, 1);
 						    	splice(@active, $i, 1);
 						    	splice(@out, $i, 1);
@@ -638,9 +674,11 @@ sub record { #{{{
 
 	if ($ret == OK) {
 		push @ok, $dir;
+		print "\n";
 	}
 	elsif ($ret == FAILED) {
 		push @failed, $dir;
+		print "\n";
 	}
 	elsif ($ret == SKIPPED) {
 		push @skipped, $dir;
@@ -891,13 +929,18 @@ ci = commit
 ls = list
 
 [DEFAULT]
+order = 10
 lib =
+	PWD="$pwd"
 	error() {
 		echo "mr: $@" >&2
 		exit 1
 	}
 	hours_since() {
-		for dir in .git .svn .bzr CVS .hg; do
+		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$1"
 				break
@@ -906,127 +949,205 @@ lib =
 		if [ -z "$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 "$MR_REPO"/.git ]; then
-		if [ -z "$@" ]; then
-			git pull -t origin master
+	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
-			git pull "$@"
+			return 1
 		fi
-	elif [ -d "$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
+	}
+	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 =
-	if [ -d "$MR_REPO"/.svn ]; then
-		svn status "$@"
-	elif [ -d "$MR_REPO"/.git ]; then
-		git status "$@" || true
-	elif [ -d "$MR_REPO"/.bzr ]; then
-		bzr status "$@"
-	elif [ -d "$MR_REPO"/CVS ]; then
-		cvs status "$@"
-	elif [ -d "$MR_REPO"/.hg ]; then
-		hg status "$@"
-	else
-		error "unknown repo type"
-	fi
+	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 =
-	if [ -d "$MR_REPO"/.svn ]; then
-		svn commit "$@"
-	elif [ -d "$MR_REPO"/.git ]; then
+	case "$(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 "$@" && git push --all
-	elif [ -d "$MR_REPO"/.bzr ]; then
-		bzr commit "$@" && bzr push
-	elif [ -d "$MR_REPO"/CVS ]; then
-		cvs commit "$@"
-	elif [ -d "$MR_REPO"/.hg ]; then
-		hg commit -m "$@" && hg push
-	else
-		error "unknown repo type"
-	fi
+		;;
+	bzr) bzr commit "$@" && bzr push;;
+	CVS) cvs commit "$@";;
+	hg) hg commit -m "$@" && hg push;;
+	darcs) darcs commit -a -m "$@" && darcs push -a;;
+	*) error "unknown repo type";;
+	esac
+
 diff =
-	if [ -d "$MR_REPO"/.svn ]; then
-		svn diff "$@"
-	elif [ -d "$MR_REPO"/.git ]; then
+	case "$(get_repo_type "$MR_REPO")" in
+	svn) svn diff "$@";;
+	git)
+		case "$(get_git_repo_type "$MR_REPO")" in
+			bare) error "cannot diff in bare git repositories";;
+			fake-bare) error "diff does not work for fake bare git repositories (yet).";;
+		esac
 		git diff "$@"
-	elif [ -d "$MR_REPO"/.bzr ]; then
-		bzr diff "$@"
-	elif [ -d "$MR_REPO"/CVS ]; then
-		cvs diff "$@"
-	elif [ -d "$MR_REPO"/.hg ]; then
-		hg diff "$@"
-	else
-		error "unknown repo type"
-	fi
+		;;
+	bzr) bzr diff "$@";;
+	CVS) cvs diff "$@";;
+	hg) hg diff "$@";;
+	darcs) darcs diff "$@";;
+	*) error "unknown repo type";;
+	esac
+
 log =
-	if [ -d "$MR_REPO"/.svn ]; then
-		svn log"$@"
-	elif [ -d "$MR_REPO"/.git ]; then
-		git log "$@"
-	elif [ -d "$MR_REPO"/.bzr ]; then
-		bzr log "$@"
-	elif [ -d "$MR_REPO"/CVS ]; then
-		cvs log "$@"
-	elif [ -d "$MR_REPO"/.hg ]; then
-		hg log "$@"
-	else
-		error "unknown repo type"
-	fi
+	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 "$1"
 	fi
-	basedir="$(basename $(pwd))"
-	if [ -d .svn ]; then
+	basedir="$(basename $PWD)"
+	case "$(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 $basedir"
-	elif [ -d .git ]; then
-		url=$(LANG=C git-config --get remote.origin.url)
+		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
-		echo "Registering git url: $url in $MR_CONFIG"
-		mr -c "$MR_CONFIG" config "$(pwd)" checkout="git clone $url $basedir"
-	elif [ -d .bzr ]; then
+		case "$repo_type" in
+			bare|fake-bare)
+				# this seems like a bare repo as it has no
+				# worktree.
+				local work_tree
+				work_tree="$(git-config --get core.worktree)" || :
+				if [ ! -d "$work_tree" ]; then
+					error "git worktree $work_tree does not exist"
+				fi
+				suffix=" (with worktree $work_tree)"
+				mr -c "$MR_CONFIG" config "$PWD" \
+					lib="GIT_WORK_TREE=$work_tree; export GIT_WORK_TREE"
+				;;
+		esac
+		echo "Registering git url: $url in $MR_CONFIG${suffix:-}"
+		mr -c "$MR_CONFIG" config "$PWD" checkout="git clone $url $basedir"
+		;;
+	bzr)
 		url=$(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 $basedir"
-	elif [ -d CVS ]; then
+		mr -c "$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 "$(pwd)" \
+		mr -c "$MR_CONFIG" config "$PWD" \
 			checkout="cvs -d '$root' co -d $basedir $repo"
-	elif [ -d .hg ]; then
+		;;
+	hg)
 		url=$(hg showconfig paths.default)
 		echo "Registering mercurial repo url: $url in $MR_CONFIG"
-		mr -c "$MR_CONFIG" config "$(pwd)" \
+		mr -c "$MR_CONFIG" config "$PWD" \
 			checkout="hg clone $url $basedir"
-	else
-		error "unable to register this repo type"
-	fi
+		;;
+	darcs)
+		url=$(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"
@@ -1039,3 +1160,5 @@ 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