From: Junio C Hamano <junkio@cox.net>
Date: Thu, 28 Sep 2006 05:23:12 +0000 (-0700)
Subject: Merge branch 'master' into lj/refs
X-Git-Tag: v1.4.4-rc1~43^2~12
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=2958d9b5dbebeb82e7230bbfd3f421781d90f3f7;p=git.git

Merge branch 'master' into lj/refs

* master: (72 commits)
  runstatus: do not recurse into subdirectories if not needed
  grep: fix --fixed-strings combined with expression.
  grep: free expressions and patterns when done.
  Corrected copy-and-paste thinko in ignore executable bit test case.
  An illustration of rev-list --parents --pretty=raw
  Allow git-checkout when on a non-existant branch.
  gitweb: Decode long title for link tooltips
  git-svn: Fix fetch --no-ignore-externals with GIT_SVN_NO_LIB=1
  Ignore executable bit when adding files if filemode=0.
  Remove empty ref directories that prevent creating a ref.
  Use const for interpolate arguments
  git-archive: update documentation
  Deprecate merge-recursive.py
  gitweb: fix over-eager application of esc_html().
  Allow '(no author)' in git-svn's authors file.
  Allow 'svn fetch' on '(no date)' revisions in Subversion.
  git-repack: allow git-repack to run in subdirectory
  Remove upload-tar and make git-tar-tree a thin wrapper to git-archive
  git-tar-tree: Move code for git-archive --format=tar to archive-tar.c
  git-tar-tree: Remove duplicate git_config() call
  ...
---

2958d9b5dbebeb82e7230bbfd3f421781d90f3f7
diff --cc Makefile
index af4d68fd7,c888c810b..65fb8284f
--- a/Makefile
+++ b/Makefile
@@@ -299,12 -298,8 +299,10 @@@ BUILTIN_OBJS = 
  	builtin-update-index.o \
  	builtin-update-ref.o \
  	builtin-upload-archive.o \
- 	builtin-upload-tar.o \
  	builtin-verify-pack.o \
 -	builtin-write-tree.o
 +	builtin-write-tree.o \
- 	builtin-zip-tree.o \
 +	builtin-show-ref.o \
 +	builtin-pack-refs.o
  
  GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
  LIBS = $(GITLIBS) -lz
diff --cc git-branch.sh
index 4379a0721,4f31903d6..bf84b3069
--- a/git-branch.sh
+++ b/git-branch.sh
@@@ -111,8 -112,17 +111,18 @@@ rev=$(git-rev-parse --verify "$head") |
  git-check-ref-format "heads/$branchname" ||
  	die "we do not like '$branchname' as a branch name."
  
+ if [ -d "$GIT_DIR/refs/heads/$branchname" ]
+ then
+ 	for refdir in `cd "$GIT_DIR" && \
+ 		find "refs/heads/$branchname" -type d | sort -r`
+ 	do
+ 		rmdir "$GIT_DIR/$refdir" || \
+ 		    die "Could not delete '$refdir', there may still be a ref there."
+ 	done
+ fi
+ 
 -if [ -e "$GIT_DIR/refs/heads/$branchname" ]
 +prev=''
 +if git-show-ref --verify --quiet -- "refs/heads/$branchname"
  then
  	if test '' = "$force"
  	then
diff --cc receive-pack.c
index c8aacbbdd,ea2dbd4e3..1fcf3a911
--- a/receive-pack.c
+++ b/receive-pack.c
@@@ -94,7 -129,50 +96,22 @@@ static int update(struct command *cmd
  		return error("unpack should have generated %s, "
  			     "but I can't find it!", new_hex);
  	}
+ 	if (deny_non_fast_forwards && !is_null_sha1(old_sha1)) {
+ 		struct commit *old_commit, *new_commit;
+ 		struct commit_list *bases, *ent;
+ 
+ 		old_commit = (struct commit *)parse_object(old_sha1);
+ 		new_commit = (struct commit *)parse_object(new_sha1);
+ 		bases = get_merge_bases(old_commit, new_commit, 1);
+ 		for (ent = bases; ent; ent = ent->next)
+ 			if (!hashcmp(old_sha1, ent->item->object.sha1))
+ 				break;
+ 		free_commit_list(bases);
+ 		if (!ent)
+ 			return error("denying non-fast forward;"
+ 				     " you should pull first");
+ 	}
 -	safe_create_leading_directories(lock_name);
 -
 -	newfd = open(lock_name, O_CREAT | O_EXCL | O_WRONLY, 0666);
 -	if (newfd < 0) {
 -		cmd->error_string = "can't lock";
 -		return error("unable to create %s (%s)",
 -			     lock_name, strerror(errno));
 -	}
 -
 -	/* Write the ref with an ending '\n' */
 -	new_hex[40] = '\n';
 -	new_hex[41] = 0;
 -	written = write(newfd, new_hex, 41);
 -	/* Remove the '\n' again */
 -	new_hex[40] = 0;
 -
 -	close(newfd);
 -	if (written != 41) {
 -		unlink(lock_name);
 -		cmd->error_string = "can't write";
 -		return error("unable to write %s", lock_name);
 -	}
 -	if (verify_old_ref(name, old_hex) < 0) {
 -		unlink(lock_name);
 -		cmd->error_string = "raced";
 -		return error("%s changed during push", name);
 -	}
  	if (run_update_hook(name, old_hex, new_hex)) {
 -		unlink(lock_name);
  		cmd->error_string = "hook declined";
  		return error("hook declined to update %s", name);
  	}