]> git.madduck.net Git - code/myrepos.git/blobdiff - mr

madduck's git repository

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  insteadOf = madduck:

Refactor checking for (type of) Git repository
[code/myrepos.git] / mr
diff --git a/mr b/mr
index 68772a0177369297a3a768672a474645592f5df5..c646a3bbbcc2b49c8f06e579285dc80648a2d7b1 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
 
 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
 
 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
@@ -160,10 +160,8 @@ recurse into deeper repositories.
 =item -j number
 
 Run the specified number of jobs in parallel. This can greatly speed up
 =item -j number
 
 Run the specified number of jobs in parallel. This can greatly speed up
-operations such as updates.
-
-Note that in -j mode, all output of the jobs goes to standard output, even
-output that would normally go to standard error.
+operations such as updates. It is not recommended for interactive
+operations.
 
 =back
 
 
 =back
 
@@ -231,7 +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
 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
 
 
 =item chain
 
@@ -278,7 +286,6 @@ $SIG{INT}=sub {
 
 $ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
 my $config_overridden=0;
 
 $ENV{MR_CONFIG}="$ENV{HOME}/.mrconfig";
 my $config_overridden=0;
-my $directory=getcwd();
 my $verbose=0;
 my $stats=0;
 my $no_recurse=0;
 my $verbose=0;
 my $stats=0;
 my $no_recurse=0;
@@ -287,6 +294,7 @@ my %config;
 my %configfiles;
 my %knownactions;
 my %alias;
 my %configfiles;
 my %knownactions;
 my %alias;
+my $directory=getcwd();
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
 
 Getopt::Long::Configure("no_permute");
 my $result=GetOptions(
@@ -302,6 +310,9 @@ if (! $result || @ARGV < 1) {
            "(Use mr help for man page.)\n");
 
 }
            "(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
 
 # 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
@@ -402,34 +413,55 @@ elsif ($action eq 'register') {
        exec($command) || die "exec: $!";
 }
 
        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;
 # 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 $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;
                }
        }
        $nochdir=1;
@@ -489,7 +521,7 @@ sub action { #{{{
                        system("mkdir", "-p", $dir);
                }
        }
                        system("mkdir", "-p", $dir);
                }
        }
-       elsif ($action eq 'update') {
+       elsif ($action =~ /update/) {
                if (! -d $dir) {
                        return action("checkout", $dir, $topdir, $subdir);
                }
                if (! -d $dir) {
                        return action("checkout", $dir, $topdir, $subdir);
                }
@@ -531,14 +563,15 @@ sub action { #{{{
                        print "mr $action: $topdir$subdir\n";
                }
                else {
                        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 ".
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                print STDERR "mr $action: running >>$command<<\n" if $verbose;
                my $ret=system($command);
                }
                my $command="set -e; ".$lib.
                        "my_action(){ $config{$topdir}{$subdir}{$action}\n }; my_action ".
                        join(" ", map { s/\//\/\//g; s/"/\"/g; '"'.$_.'"' } @ARGV);
                print STDERR "mr $action: running >>$command<<\n" if $verbose;
                my $ret=system($command);
-               print "\n";
                if ($ret != 0) {
                        if (($? & 127) == 2) {
                                print STDERR "mr $action: interrupted\n";
                if ($ret != 0) {
                        if (($? & 127) == 2) {
                                print STDERR "mr $action: interrupted\n";
@@ -579,43 +612,59 @@ sub mrs { #{{{
                while ($running < $jobs && @repos) {
                        $running++;
                        my $repo = shift @repos;
                while ($running < $jobs && @repos) {
                        $running++;
                        my $repo = shift @repos;
-                       my $pid = open(my $fh, "-|");
-                       if (! $pid) {
-                               open(STDERR, ">&STDOUT");
+                       pipe(my $outfh, CHILD_STDOUT);
+                       pipe(my $errfh, CHILD_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;
+                               close $errfh;
                                exit action($action, @$repo);
                        }
                                exit action($action, @$repo);
                        }
-                       push @active, $repo;
-                       push @fhs, $fh;
-                       push @out, "";
+                       close CHILD_STDOUT;
+                       close CHILD_STDERR;
+                       push @active, [$pid, $repo];
+                       push @fhs, [$outfh, $errfh];
+                       push @out, ['',     ''];
                }
                my ($rin, $rout) = ('','');
                my $nfound;
                }
                my ($rin, $rout) = ('','');
                my $nfound;
-               foreach my $x (@fhs) {
-                       next unless defined $x;
-                       vec($rin, fileno($x), 1) = 1;
+               foreach my $fh (@fhs) {
+                       next unless defined $fh;
+                       vec($rin, fileno($fh->[0]), 1) = 1 if defined $fh->[0];
+                       vec($rin, fileno($fh->[1]), 1) = 1 if defined $fh->[1];
                }
                $nfound = select($rout=$rin, undef, undef, 1);
                }
                $nfound = select($rout=$rin, undef, undef, 1);
-               foreach my $i (0..$#fhs) {
-                       my $fh = $fhs[$i];
-                       next unless defined $fh;
-                       if (vec($rout, fileno($fh), 1) == 1) {
-                               my $r = '';
-                               if (sysread($fh, $r, 1024) == 0) {
-                                       close($fh);
-                                       record($active[$i], $? >> 8);
-                                       $fhs[$i] = undef;
-                                       $running--;
-                                       print $out[$i];
-                                       $out[$i]='';
+               foreach my $channel (0, 1) {
+                       foreach my $i (0..$#fhs) {
+                               next unless defined $fhs[$i];
+                               my $fh = $fhs[$i][$channel];
+                               next unless defined $fh;
+                               if (vec($rout, fileno($fh), 1) == 1) {
+                                       my $r = '';
+                                       if (sysread($fh, $r, 1024) == 0) {
+                                               close($fh);
+                                               $fhs[$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];
+                                                       record($active[$i][1], $? >> 8);
+                                                       splice(@fhs, $i, 1);
+                                                       splice(@active, $i, 1);
+                                                       splice(@out, $i, 1);
+                                                       $running--;
+                                               }
+                                       }
+                                       $out[$i][$channel] .= $r;
                                }
                                }
-                               $out[$i] .= $r;
                        }
                }
                        }
                }
-               while (@fhs and !defined $fhs[0]) {
-                       shift @active;
-                       shift @fhs;
-                       shift @out;
-               }
        }
 } #}}}
 
        }
 } #}}}
 
@@ -625,9 +674,11 @@ sub record { #{{{
 
        if ($ret == OK) {
                push @ok, $dir;
 
        if ($ret == OK) {
                push @ok, $dir;
+               print "\n";
        }
        elsif ($ret == FAILED) {
                push @failed, $dir;
        }
        elsif ($ret == FAILED) {
                push @failed, $dir;
+               print "\n";
        }
        elsif ($ret == SKIPPED) {
                push @skipped, $dir;
        }
        elsif ($ret == SKIPPED) {
                push @skipped, $dir;
@@ -878,13 +929,17 @@ ci = commit
 ls = list
 
 [DEFAULT]
 ls = list
 
 [DEFAULT]
+order = 10
 lib =
        error() {
                echo "mr: $@" >&2
                exit 1
        }
        hours_since() {
 lib =
        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$1"
                                break
                        if [ -e "$MR_REPO/$dir" ]; then
                                flagfile="$MR_REPO/$dir/.mr_last$1"
                                break
@@ -893,32 +948,64 @@ lib =
                if [ -z "$flagfile" ]; then
                        error "cannot determine flag filename"
                fi
                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
+       }
+       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
+                       return 1
+               fi
+       }
+       is_git_repo() {
+               get_git_repo_type "$1" >/dev/null
        }
 
 update =
        if [ -d "$MR_REPO"/.svn ]; then
                svn update "$@"
        }
 
 update =
        if [ -d "$MR_REPO"/.svn ]; then
                svn update "$@"
-       elif [ -d "$MR_REPO"/.git ]; then
-               if [ -z "$@" ]; then
-                       git pull -t origin master
-               else
-                       git pull "$@"
-               fi
+       elif is_git_repo "$MR_REPO"; then
+               # 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 "$args"
        elif [ -d "$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 "$MR_REPO"/.bzr ]; then
                bzr merge "$@"
        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 "$@"
        else
                error "unknown repo type"
        fi
 status =
        if [ -d "$MR_REPO"/.svn ]; then
                svn status "$@"
-       elif [ -d "$MR_REPO"/.git ]; then
+       elif is_git_repo "$MR_REPO"; then
                git status "$@" || true
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr status "$@"
                git status "$@" || true
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr status "$@"
@@ -926,13 +1013,19 @@ status =
                cvs status "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg status "$@"
                cvs status "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg status "$@"
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs whatsnew -ls "$@"
        else
                error "unknown repo type"
        fi
 commit =
        if [ -d "$MR_REPO"/.svn ]; then
                svn commit "$@"
        else
                error "unknown repo type"
        fi
 commit =
        if [ -d "$MR_REPO"/.svn ]; then
                svn commit "$@"
-       elif [ -d "$MR_REPO"/.git ]; then
+       elif is_git_repo "$MR_REPO"; then
+               case "$(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
                git commit -a "$@" && git push --all
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr commit "$@" && bzr push
@@ -940,13 +1033,19 @@ commit =
                cvs commit "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg commit -m "$@" && hg push
                cvs commit "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg commit -m "$@" && hg push
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs commit -a -m "$@" && darcs push -a
        else
                error "unknown repo type"
        fi
 diff =
        if [ -d "$MR_REPO"/.svn ]; then
                svn diff "$@"
        else
                error "unknown repo type"
        fi
 diff =
        if [ -d "$MR_REPO"/.svn ]; then
                svn diff "$@"
-       elif [ -d "$MR_REPO"/.git ]; then
+       elif is_git_repo "$MR_REPO"; then
+               case "$(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 "$MR_REPO"/.bzr ]; then
                bzr diff "$@"
                git diff "$@"
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr diff "$@"
@@ -954,13 +1053,15 @@ diff =
                cvs diff "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg diff "$@"
                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"$@"
        else
                error "unknown repo type"
        fi
 log =
        if [ -d "$MR_REPO"/.svn ]; then
                svn log"$@"
-       elif [ -d "$MR_REPO"/.git ]; then
+       elif is_git_repo "$MR_REPO"; then
                git log "$@"
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr log "$@"
                git log "$@"
        elif [ -d "$MR_REPO"/.bzr ]; then
                bzr log "$@"
@@ -968,6 +1069,8 @@ log =
                cvs log "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg log "$@"
                cvs log "$@"
        elif [ -d "$MR_REPO"/.hg ]; then
                hg log "$@"
+       elif [ -d "$MR_REPO"/_darcs ]; then
+               darcs changes "$@"
        else
                error "unknown repo type"
        fi
        else
                error "unknown repo type"
        fi
@@ -983,12 +1086,33 @@ register =
                fi
                echo "Registering svn url: $url in $MR_CONFIG"
                mr -c "$MR_CONFIG" config "$(pwd)" checkout="svn co $url $basedir"
                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 is_git_repo .; then
+               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;;
+                       *) error "unknown git repository type: $repo_type"
+               esac
+               url="$(LANG=C GIT_CONFIG="$config" git-config --get remote.origin.url)"
                if [ -z "$url" ]; then
                        error "cannot determine git url"
                fi
                if [ -z "$url" ]; then
                        error "cannot determine git url"
                fi
-               echo "Registering git url: $url in $MR_CONFIG"
+               case "$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 $basedir"
        elif [ -d .bzr ]; then
                url=$(cat .bzr/branch/parent)
                mr -c "$MR_CONFIG" config "$(pwd)" checkout="git clone $url $basedir"
        elif [ -d .bzr ]; then
                url=$(cat .bzr/branch/parent)
@@ -1011,6 +1135,11 @@ register =
                echo "Registering mercurial repo url: $url in $MR_CONFIG"
                mr -c "$MR_CONFIG" config "$(pwd)" \
                        checkout="hg clone $url $basedir"
                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
        else
                error "unable to register this repo type"
        fi
@@ -1026,3 +1155,5 @@ ed = echo "A horse is a horse, of course, of course.."
 T = echo "I pity the fool."
 right = echo "Not found."
 #}}}
 T = echo "I pity the fool."
 right = echo "Not found."
 #}}}
+
+# vim:sw=8:sts=0:ts=8:noet