X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=dgit.git;a=blobdiff_plain;f=Debian%2FDgit.pm;h=f299450b94eb7b52ce0fff60ec73613924f9cf92;hp=c4a61af1f081b62f21938ac86783a0deef000286;hb=54a18d290527b6aa515592d27f90f35187757e8c;hpb=3e9cb86bb654846019aedc74db306934aabb4f93

diff --git a/Debian/Dgit.pm b/Debian/Dgit.pm
index c4a61af1..f299450b 100644
--- a/Debian/Dgit.pm
+++ b/Debian/Dgit.pm
@@ -65,7 +65,7 @@ BEGIN {
     %EXPORT_TAGS = ( policyflags => [qw(NOFFCHECK FRESHREPO NOCOMMITCHECK)],
 		     playground => [qw(record_maindir $maindir $local_git_cfg
 				       $maindir_gitdir $maindir_gitcommon
-				       fresh_playground $playground
+				       fresh_playground
                                        ensure_a_playground)]);
     @EXPORT_OK   = ( @{ $EXPORT_TAGS{policyflags} },
 		     @{ $EXPORT_TAGS{playground} } );
@@ -465,7 +465,7 @@ sub git_slurp_config_src ($) {
 # terminology:
 #
 #   $maindir      user's git working tree
-#   $playground   area in .git/ where we can make files, unpack, etc. etc.
+#   playground    area in .git/ where we can make files, unpack, etc. etc.
 #   playtree      git working tree sharing object store with the user's
 #                 inside playground, or identical to it
 #
@@ -485,28 +485,26 @@ sub git_slurp_config_src ($) {
 #
 #    fresh_playground SUBDIR_PATH_COMPONENTS
 #      e.g fresh_playground 'dgit/unpack' ('.git/' is implied)
-#      default SUBDIR_PATH_COMPONENTS is $playground_subdir
+#      default SUBDIR_PATH_COMPONENTS is playground_subdir
 #      calls record_maindir
 #      sets up a new playground (destroying any old one)
-#      assigns to $playground and returns the same pathname
+#      returns playground pathname
 #      caller may call multiple times with different subdir paths
-#       createing different playgrounds; but $playground global can
-#       refer only to one, obv.
+#       createing different playgrounds
 #
 #    ensure_a_playground SUBDIR_PATH_COMPONENTS
 #      like fresh_playground except:
 #      merely ensures the directory exists; does not delete an existing one
-#      never sets global $playground
 #
 #  then can use
 #
-#    changedir $playground
+#    changedir playground
 #    changedir $maindir
 #
 #    playtree_setup $local_git_cfg
-#            # ^ call in some (perhaps trivial) subdir of $playground
+#            # ^ call in some (perhaps trivial) subdir of playground
 #
-#    rmtree $playground
+#    rmtree playground
 
 # ----- maindir -----
 
@@ -538,8 +536,6 @@ sub record_maindir () {
 
 # ----- playgrounds -----
 
-our $playground;
-
 sub ensure_a_playground_parent ($) {
     my ($spc) = @_;
     record_maindir();
@@ -562,7 +558,7 @@ sub fresh_playground ($) {
     $spc = ensure_a_playground_parent $spc;
     rmtree $spc;
     mkdir $spc or fail "failed to mkdir the playground $spc: $!";
-    return $playground = $spc;
+    return $spc;
 }
 
 # ----- playtrees -----