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  insteadOf = madduck:

Implement (initial) support for fake bare git repositories
[code/myrepos.git] / mr
diff --git a/mr b/mr
index d9cde9372cd193a6f1c408f3caa2d271ac50366d..b26802738f284d84e53c7f0d3536e488e11dc2cd 100755 (executable)
--- 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
@@ -286,7 +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;
@@ -295,6 +294,7 @@ my %config;
 my %configfiles;
 my %knownactions;
 my %alias;
+my $directory=getcwd();
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
@@ -310,6 +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
@@ -472,7 +475,6 @@ if ($jobs > 1) {
 else {
        foreach my $repo (@repos) {
                record($repo, action($action, @$repo));
-               print "\n";
        }
 }
 if (! @ok && ! @failed && ! @skipped) {
@@ -561,7 +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 ".
@@ -650,7 +654,6 @@ sub mrs { #{{{
                                                        waitpid($active[$i][0], 0);
                                                        print STDOUT $out[$i][0];
                                                        print STDERR $out[$i][1];
-                                                       print "\n";
                                                        record($active[$i][1], $? >> 8);
                                                        splice(@fhs, $i, 1);
                                                        splice(@active, $i, 1);
@@ -671,9 +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;
@@ -934,7 +939,7 @@ lib =
                if [ -z "$1" ] || [ -z "$2" ]; then
                        error "mr: usage: hours_since action num"
                fi
-               for dir in .git .svn .bzr CVS .hg; do
+               for dir in .git .svn .bzr CVS .hg _darcs; do
                        if [ -e "$MR_REPO/$dir" ]; then
                                flagfile="$MR_REPO/$dir/.mr_last$1"
                                break
@@ -955,25 +960,30 @@ lib =
 update =
        if [ -d "$MR_REPO"/.svn ]; then
                svn update "$@"
-       elif [ -d "$MR_REPO"/.git ]; then
+       elif [ -d "$MR_REPO"/.git ] || [ "${MR_REPO%.git/}" != "$MR_REPO" ]; then
+               # this is a bug in git-fetch, which requires GIT_DIR set
+               [ "${MR_REPO%.git/}" != "$MR_REPO" ] && GIT_DIR="$MR_REPO" && export GIT_DIR
                if [ -z "$@" ]; then
                        git pull -t origin master
                else
                        git pull "$@"
                fi
+               unset GIT_DIR
        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 "$@"
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs pull -a "$@"
        else
                error "unknown repo type"
        fi
 status =
        if [ -d "$MR_REPO"/.svn ]; then
                svn status "$@"
-       elif [ -d "$MR_REPO"/.git ]; then
+       elif [ -d "$MR_REPO"/.git ] || [ "${MR_REPO%.git/}" != "$MR_REPO" ]; then
                git status "$@" || true
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr status "$@"
@@ -981,6 +991,8 @@ status =
                cvs status "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg status "$@"
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs whatsnew -ls "$@"
        else
                error "unknown repo type"
        fi
@@ -989,12 +1001,16 @@ commit =
                svn commit "$@"
        elif [ -d "$MR_REPO"/.git ]; then
                git commit -a "$@" && git push --all
+       elif [ "${MR_REPO%.git/}" != "$MR_REPO" ]; then
+               error "commit does not work for fake bare git repositories (yet)."
        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
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs commit -a -m "$@" && darcs push -a
        else
                error "unknown repo type"
        fi
@@ -1003,19 +1019,23 @@ diff =
                svn diff "$@"
        elif [ -d "$MR_REPO"/.git ]; then
                git diff "$@"
+       elif [ "${MR_REPO%.git/}" != "$MR_REPO" ]; then
+               error "commit does not work for fake bare git repositories (yet)."
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr diff "$@"
        elif [ -d "$MR_REPO"/CVS ]; then
                cvs diff "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg diff "$@"
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs diff "$@"
        else
                error "unknown repo type"
        fi
 log =
        if [ -d "$MR_REPO"/.svn ]; then
                svn log"$@"
-       elif [ -d "$MR_REPO"/.git ]; then
+       elif [ -d "$MR_REPO"/.git ] || [ "${MR_REPO%.git/}" != "$MR_REPO" ]; then
                git log "$@"
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr log "$@"
@@ -1023,6 +1043,8 @@ log =
                cvs log "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg log "$@"
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs changes "$@"
        else
                error "unknown repo type"
        fi
@@ -1038,12 +1060,37 @@ register =
                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)
+       elif [ -d .git ] || [ "${basedir%.git}" != "$basedir" ]; then
+               GIT_CONFIG=.git/config
+               [ ! -f $GIT_CONFIG ] && GIT_CONFIG=config
+               export GIT_CONFIG
+               url="$(LANG=C git-config --get remote.origin.url)"
                if [ -z "$url" ]; then
                        error "cannot determine git url"
                fi
-               echo "Registering git url: $url in $MR_CONFIG"
+               if [ $GIT_CONFIG = config ]; then
+                       # this seems like a bare repo as it has no worktree.
+                       # mr needs a worktree and cannot work with bare
+                       # repositories, so ensure that it's "fake bare" and
+                       # has a worktree configured.
+                       case "$(git-config --get core.bare)" in
+                               true) error "cannot register a bare git repository";;
+                       esac
+                       GIT_WORK_TREE="$(git-config --get core.worktree)" || :
+                       case "$GIT_WORK_TREE" in
+                               '') error "cannot register a fake bare git repository without core.worktree";;
+                               *)
+                                       if [ ! -d "$GIT_WORK_TREE" ]; then
+                                               error "git worktree $GIT_WORK_TREE does not exist"
+                                       fi;;
+                       esac
+                       suffix=" (with worktree $GIT_WORK_TREE)"
+                       mr -c "$MR_CONFIG" config "$(pwd)" \
+                               lib="GIT_WORK_TREE=$GIT_WORK_TREE; export GIT_WORK_TREE"
+                       unset GIT_WORK_TREE
+               fi
+               echo "Registering git url: $url in $MR_CONFIG${suffix:-}"
+               unset GIT_CONFIG
                mr -c "$MR_CONFIG" config "$(pwd)" checkout="git clone $url $basedir"
        elif [ -d .bzr ]; then
                url=$(cat .bzr/branch/parent)
@@ -1066,6 +1113,11 @@ register =
                echo "Registering mercurial repo url: $url in $MR_CONFIG"
                mr -c "$MR_CONFIG" config "$(pwd)" \
                        checkout="hg clone $url $basedir"
+       elif [ -d _darcs ]; then
+               url=$(cat _darcs/prefs/defaultrepo)
+               echo "Registering darcs repository $url in $MR_CONFIG"
+               mr -c "$MR_CONFIG" config "$(pwd)" \
+                       checkout="darcs get $url $basedir"
        else
                error "unable to register this repo type"
        fi
@@ -1081,3 +1133,5 @@ 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