* Allow -n to be passed a number to specify how deep to go into

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 66b88ffd5045509eff7b8ac2f3df3848a6e06904..a4469e9cf4506721f92e644e5702f9b81d3ed465 100755 (executable)
--- a/mr
+++ b/mr
@@ -152,10 +152,14 @@ Be verbose.
 Expand the statistics line displayed at the end to include information
 about exactly which repositories failed and were skipped, if any.
 
-=item -n
+=item -n [number]
 
-Just operate on the repository for the current directory, do not 
-recurse into deeper repositories.
+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.
 
 =item -j number
 
@@ -309,7 +313,7 @@ use constant {
 my $config_overridden=0;
 my $verbose=0;
 my $stats=0;
-my $no_recurse=0;
+my $max_depth;
 my $no_chdir=0;
 my $jobs=1;
 my $directory=getcwd();
@@ -324,9 +328,14 @@ my (@ok, @failed, @skipped);
 
 main();
 
+my %rcs;
 sub rcs_test { #{{{
        my ($action, $dir, $topdir, $subdir) = @_;
 
+       if (exists $rcs{$dir}) {
+               return $rcs{$dir};
+       }
+
        my $test="set -e\n";
        foreach my $rcs_test (
                        sort {
@@ -350,10 +359,10 @@ sub rcs_test { #{{{
                return undef;
        }
        if (! length $rcs) {
-               return undef;
+               return $rcs{$dir}=undef;
        }
        else {
-               return $rcs;
+               return $rcs{$dir}=$rcs;
        }
 } #}}}
        
@@ -443,7 +452,7 @@ sub action { #{{{
                        return FAILED;
                }
                else {
-                       print STDERR "mr $action: no defined $action command for $rcs repository $topdir$subdir, skipping\n";
+                       print STDERR "mr $action: no defined action for $rcs repository $topdir$subdir, skipping\n";
                        return SKIPPED;
                }
        }
@@ -646,8 +655,13 @@ 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) {
@@ -1037,7 +1051,7 @@ sub getopts { #{{{
                "c|config=s" => sub { $ENV{MR_CONFIG}=$_[1]; $config_overridden=1 },
                "v|verbose" => \$verbose,
                "s|stats" => \$stats,
-               "n|no-recurse" => \$no_recurse,
+               "n|no-recurse:i" => \$max_depth,
                "j|jobs=i" => \$jobs,
        );
        if (! $result || @ARGV < 1) {