doc improvement

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 00d0e1c44e1f66b1e677dde3e205944ef6ca8915..7c4ff30b56dcc36f19339773e464d430ea3b830a 100755 (executable)
--- a/mr
+++ b/mr
@@ -28,6 +28,11 @@ respository.
 Any mix of revision control systems can be used with B<mr>, and you can
 define arbitrary actions for commands like "update", "checkout", or "commit".
 
+B<mr> cds into and operates on all registered repsitories at or below your
+working directory. Or, if you are in a subdirectory of a repository that
+contains no other registered repositories, it will stay in that directory,
+and work on only that repository,
+
 The predefined commands should be fairly familiar to users of any revision
 control system:
 
@@ -70,11 +75,8 @@ Displays this help.
 =back
 
 Actions can be abbreviated to any unambiguous subsctring, so
-"mr st" is equivilant to "mr status".
-
-B<mr> operates on all registered repsitories at or below your working
-directory. Or, if you are in a subdirectory of a repository, it will act on
-only that repository.
+"mr st" is equivilant to "mr status", and "mr up" is equivilant to "mr
+update"
 
 Additional parameters can be passed to other commands than "commit", they
 will be passed on unchanged to the underlying revision control system.
@@ -227,36 +229,38 @@ if ($action eq 'help') {
        exec($config{''}{default}{help});
 }
 
-# handle being in a subdir of a repository
+# work out what repos to act on
+my @repos;
 my $nochdir=0;
 foreach my $topdir (sort keys %config) {
-       foreach my $subdir (reverse sort keys %{$config{$topdir}}) {
+       foreach my $subdir (sort keys %{$config{$topdir}}) {
                next if $subdir eq 'default';
-               my $d=$directory."/";
                my $dir=$topdir.$subdir;
-               $dir.="/" unless $dir=~/\/$/;
-               if ($d =~ /^\Q$dir\E/) {
-                       $directory=$topdir.$subdir;
-                       $nochdir=1;
-                       last;
+               next if $dir ne $directory && $dir !~ /^\Q$directory\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 $dir=$topdir.$subdir;
+                       my $d=$directory;
+                       $dir.="/" unless $dir=~/\/$/;
+                       $d.="/" unless $d=~/\/$/;
+                       if ($d=~/^\Q$dir\E/) {
+                               push @repos, [$dir, $topdir, $subdir];
+                               last LEAF;
+                       }
                }
        }
+       $nochdir=1;
 }
 
 my (@failed, @successful, @skipped);
-foreach my $topdir (sort keys %config) {
-       foreach my $subdir (sort keys %{$config{$topdir}}) {
-               
-               my $dir=$topdir.$subdir;
-
-               if (defined $directory &&
-                   $dir ne $directory &&
-                   $dir !~ /^\Q$directory\E\//) {
-                       next;
-               }
-
-               action($action, $dir, $topdir, $subdir);
-       }
+foreach my $repo (@repos) {
+       action($action, @$repo);
 }
 
 sub action {