For the checkout command, MR_REPO was set to the name of the parent directory of...

[code/myrepos.git] / mr

diff --git a/mr b/mr
index 4c7be3d3748a0e75d8ea0ff4a134bec5019a0fea..55dbdeebbf93c3a8855807542231348ec2f26883 100755 (executable)
--- a/mr
+++ b/mr
@@ -224,7 +224,9 @@ is an alias, and its value is the action to use.
 All other sections add repositories. The section header specifies the
 directory where the repository is located. This is relative to the directory
 that contains the mrconfig file, but you can also choose to use absolute
-paths.
+paths. (Note that you can use environment variables in section names; they
+will be passed through the shell for expansion. For example, 
+"[$HOSTNAME]", or "[${HOSTNAME}foo]")
 
 Within a section, each parameter defines a shell command to run to handle a
 given action. mr contains default handlers for "update", "status",
@@ -423,6 +425,8 @@ sub action { #{{{
                       $config{$topdir}{$subdir}{lib}."\n" : "";
        my $is_checkout=($action eq 'checkout');
 
+       $ENV{MR_REPO}=$dir;
+
        if ($is_checkout) {
                if (-d $dir) {
                        print "mr $action: $dir already exists, skipping checkout\n" if $verbose;
@@ -437,8 +441,6 @@ sub action { #{{{
                }
        }
 
-       $ENV{MR_REPO}=$dir;
-
        my $skiptest=findcommand("skip", $dir, $topdir, $subdir, $is_checkout);
        my $command=findcommand($action, $dir, $topdir, $subdir, $is_checkout);
 
@@ -607,7 +609,7 @@ sub record { #{{{
        elsif ($ret == FAILED) {
                if ($interactive) {
                        chdir($dir) unless $no_chdir;
-                       print STDERR "mr: starting interactive shell. Exit shell to continue.\n";
+                       print STDERR "mr: Starting interactive shell. Exit shell to continue.\n";
                        system((getpwuid($<))[8]);
                }
                push @failed, $dir;
@@ -717,6 +719,18 @@ sub selectrepos { #{{{
        return @repos;
 } #}}}
 
+sub expandenv { #{{{
+       my $val=shift;
+       
+
+       if ($val=~/\$/) {
+               $val=`echo "$val"`;
+               chomp $val;
+       }
+       
+       return $val;
+} #}}}
+
 my %loaded;
 sub loadconfig { #{{{
        my $f=shift;
@@ -777,7 +791,7 @@ sub loadconfig { #{{{
                chomp;
                next if /^\s*\#/ || /^\s*$/;
                if (/^\[([^\]]*)\]\s*$/) {
-                       $section=$1;
+                       $section=expandenv($1);
                }
                elsif (/^(\w+)\s*=\s*(.*)/) {
                        my $parameter=$1;
@@ -900,7 +914,7 @@ sub modifyconfig { #{{{
                                $addfields->();
                        }
 
-                       $section=$1;
+                       $section=expandenv($1);
 
                        push @out, $_;
                }
@@ -1207,7 +1221,7 @@ git_status = git status "$@" || true
 bzr_status = bzr status "$@"
 cvs_status = cvs status "$@"
 hg_status  = hg status "$@"
-darcs_status = darcs whatsnew -ls "$@"
+darcs_status = darcs whatsnew -ls "$@" || true
 
 svn_commit = svn commit "$@"
 git_commit = git commit -a "$@" && git push --all