git-svn: add git svn proplist

This allows one to easily retrieve a list of svn properties from within
git-svn without requiring svn or knowing the URL of a repository.

	* git-svn.perl (%cmd): Add the command `proplist'.
	(&cmd_proplist): New.
	* t/t9101-git-svn-props.sh: Test git svn proplist.

Signed-off-by: Benoit Sigoure <tsuna@lrde.epita.fr>
Acked-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

git-svn.perl

@@ -135,6 +135,9 @@ BEGIN
         'propget' => [ \&cmd_propget,
 		       'Print the value of a property on a file or directory',
 		       { 'revision|r=i' => \$_revision } ],
+        'proplist' => [ \&cmd_proplist,
+		       'List all properties of a file or directory',
+		       { 'revision|r=i' => \$_revision } ],
 	'show-ignore' => [ \&cmd_show_ignore, "Show svn:ignore listings",
 			{ 'revision|r=i' => \$_revision
 			} ],
@@ -536,7 +539,7 @@ sub cmd_create_ignore {
 
 # get_svnprops(PATH)
 # ------------------
-# Helper for cmd_propget below.
+# Helper for cmd_propget and cmd_proplist below.
 sub get_svnprops {
 	my $path = shift;
 	my ($url, $rev, $uuid, $gs) = working_head_info('HEAD');
@@ -583,6 +586,19 @@ sub cmd_propget {
 	print $props->{$prop} . "\n";
 }
 
+# cmd_proplist (PATH)
+# -------------------
+# Print the list of SVN properties for PATH.
+sub cmd_proplist {
+	my $path = shift;
+	$path = '.' if not defined $path;
+	my $props = get_svnprops($path);
+	print "Properties on '$path':\n";
+	foreach (sort keys %{$props}) {
+		print "  $_\n";
+	}
+}
+
 sub cmd_multi_init {
 	my $url = shift;
 	unless (defined $_trunk || defined $_branches || defined $_tags) {

t/t9101-git-svn-props.sh

@@ -193,4 +193,25 @@ test_expect_success 'test propget' "
 	git-svn propget svn:ignore .././deeply/nested | cmp - ../prop.expect
 	"
 
+cat >prop.expect <<\EOF
+Properties on '.':
+  svn:entry:committed-date
+  svn:entry:committed-rev
+  svn:entry:last-author
+  svn:entry:uuid
+  svn:ignore
+EOF
+cat >prop2.expect <<\EOF
+Properties on 'nested/directory/.keep':
+  svn:entry:committed-date
+  svn:entry:committed-rev
+  svn:entry:last-author
+  svn:entry:uuid
+EOF
+
+test_expect_success 'test proplist' "
+	git-svn proplist . | cmp - prop.expect &&
+	git-svn proplist nested/directory/.keep | cmp - prop2.expect
+	"
+
 test_done