Merge branch 'maint'

* maint:
  cvsimport: always pass user data to "system" as a list
  fix reflog approxidate parsing bug
  Fix use after free() in builtin-fetch
  fetch-pack: do not stop traversing an already parsed commit
  Use "=" instead of "==" in condition as it is more portable

builtin-fetch-pack.c

@@ -117,15 +117,15 @@ static const unsigned char* get_rev(void)
 
 	while (commit == NULL) {
 		unsigned int mark;
-		struct commit_list *parents = NULL;
+		struct commit_list *parents;
 
 		if (rev_list == NULL || non_common_revs == 0)
 			return NULL;
 
 		commit = rev_list->item;
-		if (!(commit->object.parsed))
-			if (!parse_commit(commit))
-				parents = commit->parents;
+		if (commit->object.parsed)
+			parse_commit(commit);
+		parents = commit->parents;
 
 		commit->object.flags |= POPPED;
 		if (!(commit->object.flags & COMMON))

builtin-fetch.c

@@ -577,8 +577,6 @@ static int do_fetch(struct transport *transport,
 		free_refs(ref_map);
 	}
 
-	transport_disconnect(transport);
-
 	return 0;
 }
 
@@ -599,6 +597,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
 	int i;
 	static const char **refs = NULL;
 	int ref_nr = 0;
+	int exit_code;
 
 	/* Record the command line for the reflog */
 	strbuf_addstr(&default_rla, "fetch");
@@ -652,6 +651,9 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
 
 	signal(SIGINT, unlock_pack_on_signal);
 	atexit(unlock_pack);
-	return do_fetch(transport,
+	exit_code = do_fetch(transport,
 			parse_fetch_refspec(ref_nr, refs), ref_nr);
+	transport_disconnect(transport);
+	transport = NULL;
+	return exit_code;
 }

git-clone.sh

@@ -219,7 +219,7 @@ fi
 if test -n "$2"
 then
 	dir="$2"
-	test $# == 2 || die "excess parameter to git-clone"
+	test $# = 2 || die "excess parameter to git-clone"
 else
 	# Derive one from the repository name
 	# Try using "humanish" part of source repo if user didn't specify one

git-cvsimport.perl

@@ -772,7 +772,7 @@ sub commit {
 	waitpid($pid,0);
 	die "Error running git-commit-tree: $?\n" if $?;
 
-	system("git-update-ref $remote/$branch $cid") == 0
+	system('git-update-ref', "$remote/$branch", $cid) == 0
 		or die "Cannot write branch $branch for update: $!\n";
 
 	if ($tag) {

sha1_name.c

@@ -351,8 +351,11 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1)
 		}
 		if (0 <= nth)
 			at_time = 0;
-		else
-			at_time = approxidate(str + at + 2);
+		else {
+			char *tmp = xstrndup(str + at + 2, reflog_len);
+			at_time = approxidate(tmp);
+			free(tmp);
+		}
 		if (read_ref_at(real_ref, at_time, nth, sha1, NULL,
 				&co_time, &co_tz, &co_cnt)) {
 			if (at_time)