Merge branch 'master' into js/diff-ni

* master: (201 commits)
  Documentation: link in 1.5.0.2 material to the top documentation page.
  Documentation: document remote.<name>.tagopt
  GIT 1.5.0.2
  git-remote: support remotes with a dot in the name
  Documentation: describe "-f/-t/-m" options to "git-remote add"
  diff --cc: fix display of symlink conflicts during a merge.
  merge-recursive: fix longstanding bug in merging symlinks
  merge-index: fix longstanding bug in merging symlinks
  diff --cached: give more sensible error message when HEAD is yet to be created.
  Update tests to use test-chmtime
  Add test-chmtime: a utility to change mtime on files
  Add Release Notes to prepare for 1.5.0.2
  Allow arbitrary number of arguments to git-pack-objects
  rerere: do not deal with symlinks.
  rerere: do not skip two conflicted paths next to each other.
  Don't modify CREDITS-FILE if it hasn't changed.
  diff-patch: Avoid emitting double-slashes in textual patch.
  Reword git-am 3-way fallback failure message.
  Limit filename for format-patch
  core.legacyheaders: Use the description used in RelNotes-1.5.0
  ...

1 files changed, 20 insertions, 11 deletions

diff --git a/builtin-name-rev.c b/builtin-name-rev.c
index 36f1ba6d38..c022224361 100644
--- a/builtin-name-rev.c
+++ b/builtin-name-rev.c
@@ -57,13 +57,17 @@ copy_data:
 			parents;
 			parents = parents->next, parent_number++) {
 		if (parent_number > 1) {
-			char *new_name = xmalloc(strlen(tip_name)+8);
+			int len = strlen(tip_name);
+			char *new_name = xmalloc(len + 8);
 
+			if (len > 2 && !strcmp(tip_name + len - 2, "^0"))
+				len -= 2;
 			if (generation > 0)
-				sprintf(new_name, "%s~%d^%d", tip_name,
+				sprintf(new_name, "%.*s~%d^%d", len, tip_name,
 						generation, parent_number);
 			else
-				sprintf(new_name, "%s^%d", tip_name, parent_number);
+				sprintf(new_name, "%.*s^%d", len, tip_name,
+						parent_number);
 
 			name_rev(parents->item, new_name,
 				merge_traversals + 1 , 0, 0);
@@ -85,7 +89,7 @@ static int name_ref(const char *path, const unsigned char *sha1, int flags, void
 	struct name_ref_data *data = cb_data;
 	int deref = 0;
 
-	if (data->tags_only && strncmp(path, "refs/tags/", 10))
+	if (data->tags_only && prefixcmp(path, "refs/tags/"))
 		return 0;
 
 	if (data->ref_filter && fnmatch(data->ref_filter, path, 0))
@@ -101,9 +105,9 @@ static int name_ref(const char *path, const unsigned char *sha1, int flags, void
 	if (o && o->type == OBJ_COMMIT) {
 		struct commit *commit = (struct commit *)o;
 
-		if (!strncmp(path, "refs/heads/", 11))
+		if (!prefixcmp(path, "refs/heads/"))
 			path = path + 11;
-		else if (!strncmp(path, "refs/", 5))
+		else if (!prefixcmp(path, "refs/"))
 			path = path + 5;
 
 		name_rev(commit, xstrdup(path), 0, 0, deref);
@@ -127,10 +131,15 @@ static const char* get_rev_name(struct object *o)
 
 	if (!n->generation)
 		return n->tip_name;
-
-	snprintf(buffer, sizeof(buffer), "%s~%d", n->tip_name, n->generation);
-
-	return buffer;
+	else {
+		int len = strlen(n->tip_name);
+		if (len > 2 && !strcmp(n->tip_name + len - 2, "^0"))
+			len -= 2;
+		snprintf(buffer, sizeof(buffer), "%.*s~%d", len, n->tip_name,
+				n->generation);
+
+		return buffer;
+	}
 }
 
 int cmd_name_rev(int argc, const char **argv, const char *prefix)
@@ -156,7 +165,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix)
 			} else if (!strcmp(*argv, "--tags")) {
 				data.tags_only = 1;
 				continue;
-			} else  if (!strncmp(*argv, "--refs=", 7)) {
+			} else  if (!prefixcmp(*argv, "--refs=")) {
 				data.ref_filter = *argv + 7;
 				continue;
 			} else if (!strcmp(*argv, "--all")) {