GIT 0.99.9j aka 1.0rc3

Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/diff-format.txt

@@ -81,7 +81,7 @@ The "diff" formatting options can be customized via the
 environment variable 'GIT_DIFF_OPTS'.  For example, if you
 prefer context diff:
-      GIT_DIFF_OPTS=-c git-diff-index -p $(cat .git/HEAD)
+      GIT_DIFF_OPTS=-c git-diff-index -p HEAD
 2. When the environment variable 'GIT_EXTERNAL_DIFF' is set, the

Documentation/diff-options.txt

@@ -13,6 +13,11 @@
 --name-status::
 	Show only names and status of changed files.
+--full-index::
+	Instead of the first handful characters, show full
+	object name of pre- and post-image blob on the "index"
+	line when generating a patch format output.	
+
 -B::
 	Break complete rewrite changes into pairs of delete and create.

Documentation/git-apply.txt

@@ -8,7 +8,7 @@ git-apply - Apply patch on a git index file and a work tree
 SYNOPSIS
 --------
-'git-apply' [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [-z] [<patch>...]
+'git-apply' [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [-z] [<patch>...]
 DESCRIPTION
 -----------
@@ -79,6 +79,17 @@ OPTIONS
 	the result with this option, which would apply the
 	deletion part but not addition part.
+--allow-binary-replacement::
+	When applying a patch, which is a git-enhanced patch
+	that was prepared to record the pre- and post-image object
+	name in full, and the path being patched exactly matches
+	the object the patch applies to (i.e. "index" line's
+	pre-image object name is what is in the working tree),
+	and the post-image object is available in the object
+	database, use the post-image object as the patch
+	result.  This allows binary files to be patched in a
+	very limited way.
+
 Author
 ------
 Written by Linus Torvalds <torvalds@osdl.org>

Documentation/git-commit-tree.txt

@@ -26,8 +26,9 @@ to get there.
 Normally a commit would identify a new "HEAD" state, and while git
 doesn't care where you save the note about that state, in practice we
-tend to just write the result to the file `.git/HEAD`, so that we can
-always see what the last committed state was.
+tend to just write the result to the file that is pointed at by
+`.git/HEAD`, so that we can always see what the last committed
+state was.
 OPTIONS
 -------

Documentation/git-daemon.txt

@@ -35,7 +35,7 @@ OPTIONS
 	do not have the 'git-daemon-export-ok' file.
 --inetd::
-	Have the server run as an inetd service.
+	Have the server run as an inetd service. Implies --syslog.
 --port::
 	Listen on an alternative port.

Documentation/git-diff-index.txt

@@ -57,14 +57,14 @@ some files in the index and are ready to commit. You want to see eactly
 *what* you are going to commit is without having to write a new tree
 object and compare it that way, and to do that, you just do
-	git-diff-index --cached $(cat .git/HEAD)
+	git-diff-index --cached HEAD
 Example: let's say I had renamed `commit.c` to `git-commit.c`, and I had
 done an "git-update-index" to make that effective in the index file.
 "git-diff-files" wouldn't show anything at all, since the index file
 matches my working directory. But doing a "git-diff-index" does:
-  torvalds@ppc970:~/git> git-diff-index --cached $(cat .git/HEAD)
+  torvalds@ppc970:~/git> git-diff-index --cached HEAD
   -100644 blob    4161aecc6700a2eb579e842af0b7f22b98443f74        commit.c
   +100644 blob    4161aecc6700a2eb579e842af0b7f22b98443f74        git-commit.c
@@ -98,7 +98,7 @@ show that. So let's say that you have edited `kernel/sched.c`, but
 have not actually done a "git-update-index" on it yet - there is no
 "object" associated with the new state, and you get:
-  torvalds@ppc970:~/v2.6/linux> git-diff-index $(cat .git/HEAD )
+  torvalds@ppc970:~/v2.6/linux> git-diff-index HEAD
   *100644->100664 blob    7476bb......->000000......      kernel/sched.c
 ie it shows that the tree has changed, and that `kernel/sched.c` has is

Documentation/git-fsck-objects.txt

@@ -68,7 +68,7 @@ that aren't readable from any of the specified head nodes.
 So for example
-	git-fsck-objects --unreachable $(cat .git/HEAD .git/refs/heads/*)
+	git-fsck-objects --unreachable HEAD $(cat .git/refs/heads/*)
 will do quite a _lot_ of verification on the tree. There are a few
 extra validity tests to be added (make sure that tree objects are

Documentation/git-log.txt

@@ -20,7 +20,7 @@ This manual page describes only the most frequently used options.
 OPTIONS
 -------
---pretty=<format>:
+--pretty=<format>::
 	Controls the way the commit log is formatted.
 --max-count=<n>::

Documentation/git-read-tree.txt

@@ -237,7 +237,7 @@ This is done to prevent you from losing your work-in-progress
 changes.  To illustrate, suppose you start from what has been
 commited last to your repository:
-    $ JC=`cat .git/HEAD`
+    $ JC=`git-rev-parse --verify "HEAD^0"`
     $ git-checkout-index -f -u -a $JC
 You do random edits, without running git-update-index.  And then

Documentation/git-symbolic-ref.txt

@@ -24,8 +24,8 @@ Traditionally, `.git/HEAD` is a symlink pointing at
 we did `ln -sf refs/heads/newbranch .git/HEAD`, and when we want
 to find out which branch we are on, we did `readlink .git/HEAD`.
 This was fine, and internally that is what still happens by
-default, but on platforms that does not have working symlinks,
-or that does not have the `readlink(1)` command, this was a bit
+default, but on platforms that do not have working symlinks,
+or that do not have the `readlink(1)` command, this was a bit
 cumbersome.  On some platforms, `ln -sf` does not even work as
 advertised (horrors).

Documentation/git.txt

@@ -8,13 +8,33 @@ git - the stupid content tracker
 SYNOPSIS
 --------
-'git-<command>' <args>
+'git' [--version] [--exec-path[=GIT_EXEC_PATH]] [--help] COMMAND [ARGS]
 DESCRIPTION
 -----------
-
-This is reference information for the core git commands.
-
+'git' is both a program and a directory content tracker system.
+The program 'git' is just a wrapper to reach the core git programs
+(or a potty if you like, as it's not exactly porcelain but still
+brings your stuff to the plumbing).
+
+OPTIONS
+-------
+--version::
+	prints the git suite version that the 'git' program came from.
+
+--help::
+	prints the synopsis and a list of available commands.
+	If a git command is named this option will bring up the
+	man-page for that command.
+
+--exec-path::
+	path to wherever your core git programs are installed.
+	This can also be controlled by setting the GIT_EXEC_PATH
+	environment variable. If no path is given 'git' will print
+	the current setting and then exit.
+
+CORE GIT COMMANDS
+-----------------
 Before reading this cover to cover, you may want to take a look
 at the link:tutorial.html[tutorial] document.
@@ -67,7 +87,7 @@ gitlink:git-commit-tree[1]::
 gitlink:git-hash-object[1]::
 	Computes the object ID from a file.
-gitlink:git-index-pack.html[1]::
+gitlink:git-index-pack[1]::
 	Build pack index file for an existing packed archive.
 gitlink:git-init-db[1]::
@@ -533,9 +553,12 @@ Discussion[[Discussion]]
 ------------------------
 include::../README[]
-Author
-------
-Written by Linus Torvalds <torvalds@osdl.org> and the git-list <git@vger.kernel.org>.
+Authors
+-------
+	git's founding father is Linus Torvalds <torvalds@osdl.org>.
+	The current git nurse is Junio C. Hamano <junkio@cox.net>.
+	The git potty was written by Andres Ericsson <ae@op5.se>.
+	General upbringing is handled by the git-list <git@vger.kernel.org>.
 Documentation
 --------------

Makefile

@@ -50,7 +50,7 @@
 # Define USE_STDEV below if you want git to care about the underlying device
 # change being considered an inode change from the update-cache perspective.
-GIT_VERSION = 0.99.9i
+GIT_VERSION = 0.99.9j
 # CFLAGS and LDFLAGS are for the users to override from the command line.
@@ -88,7 +88,7 @@ SCRIPT_SH = \
 	git-prune.sh git-pull.sh git-push.sh git-rebase.sh \
 	git-repack.sh git-request-pull.sh git-reset.sh \
 	git-resolve.sh git-revert.sh git-sh-setup.sh git-status.sh \
-	git-tag.sh git-verify-tag.sh git-whatchanged.sh git.sh \
+	git-tag.sh git-verify-tag.sh git-whatchanged.sh \
 	git-applymbox.sh git-applypatch.sh git-am.sh \
 	git-merge.sh git-merge-stupid.sh git-merge-octopus.sh \
 	git-merge-resolve.sh git-merge-ours.sh git-grep.sh \
@@ -105,7 +105,7 @@ SCRIPT_PYTHON = \
 # The ones that do not have to link with lcrypto nor lz.
 SIMPLE_PROGRAMS = \
 	git-get-tar-commit-id$X git-mailinfo$X git-mailsplit$X \
-	git-stripspace$X git-var$X git-daemon$X
+	git-stripspace$X git-daemon$X
 # ... and all the rest
 PROGRAMS = \
@@ -125,7 +125,7 @@ PROGRAMS = \
 	git-unpack-objects$X git-update-index$X git-update-server-info$X \
 	git-upload-pack$X git-verify-pack$X git-write-tree$X \
 	git-update-ref$X git-symbolic-ref$X git-check-ref-format$X \
-	git-name-rev$X git-pack-redundant$X $(SIMPLE_PROGRAMS)
+	git-name-rev$X git-pack-redundant$X git-var$X $(SIMPLE_PROGRAMS)
 # Backward compatibility -- to be removed after 1.0
 PROGRAMS += git-ssh-pull$X git-ssh-push$X
@@ -334,19 +334,15 @@ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
 export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
 ### Build rules
-all: $(PROGRAMS) $(SCRIPTS)
+all: $(PROGRAMS) $(SCRIPTS) git
 all:
 	$(MAKE) -C templates
-git: git.sh Makefile
-	rm -f $@+ $@
-	sed -e '1s|#!.*/sh|#!$(call shq,$(SHELL_PATH))|' \
-	    -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
-	    -e 's/@@X@@/$(X)/g' \
-	    $(GIT_LIST_TWEAK) <$@.sh >$@+
-	chmod +x $@+
-	mv $@+ $@
+# Only use $(CFLAGS). We don't need anything else.
+git: git.c Makefile
+	$(CC) -DGIT_EXEC_PATH='"$(bindir)"' -DGIT_VERSION='"$(GIT_VERSION)"' \
+		$(CFLAGS) $@.c -o $@
 $(filter-out git,$(patsubst %.sh,%,$(SCRIPT_SH))) : % : %.sh
 	rm -f $@
@@ -431,9 +427,9 @@ check:
 ### Installation rules
-install: $(PROGRAMS) $(SCRIPTS)
+install: $(PROGRAMS) $(SCRIPTS) git
 	$(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(bindir))
-	$(INSTALL) $(PROGRAMS) $(SCRIPTS) $(call shellquote,$(DESTDIR)$(bindir))
+	$(INSTALL) git $(PROGRAMS) $(SCRIPTS) $(call shellquote,$(DESTDIR)$(bindir))
 	$(MAKE) -C templates install
 	$(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
 	$(INSTALL) $(PYMODULES) $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
@@ -446,20 +442,20 @@ install-doc:
 ### Maintainer's dist rules
-git-core.spec: git-core.spec.in Makefile
+git.spec: git.spec.in Makefile
 	sed -e 's/@@VERSION@@/$(GIT_VERSION)/g' < $< > $@
-GIT_TARNAME=git-core-$(GIT_VERSION)
-dist: git-core.spec git-tar-tree
+GIT_TARNAME=git-$(GIT_VERSION)
+dist: git.spec git-tar-tree
 	./git-tar-tree HEAD $(GIT_TARNAME) > $(GIT_TARNAME).tar
 	@mkdir -p $(GIT_TARNAME)
-	@cp git-core.spec $(GIT_TARNAME)
-	$(TAR) rf $(GIT_TARNAME).tar $(GIT_TARNAME)/git-core.spec
+	@cp git.spec $(GIT_TARNAME)
+	$(TAR) rf $(GIT_TARNAME).tar $(GIT_TARNAME)/git.spec
 	@rm -rf $(GIT_TARNAME)
 	gzip -f -9 $(GIT_TARNAME).tar
 rpm: dist
-	$(RPMBUILD) -ta git-core-$(GIT_VERSION).tar.gz
+	$(RPMBUILD) -ta $(GIT_TARNAME).tar.gz
 deb: dist
 	rm -rf $(GIT_TARNAME)
@@ -472,7 +468,7 @@ deb: dist
 clean:
 	rm -f *.o mozilla-sha1/*.o ppc/*.o compat/*.o $(PROGRAMS) $(LIB_FILE)
 	rm -f $(filter-out gitk,$(SCRIPTS))
-	rm -f git-core.spec *.pyc *.pyo
+	rm -f *.spec *.pyc *.pyo
 	rm -rf $(GIT_TARNAME)
 	rm -f $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
 	rm -f git-core_$(GIT_VERSION)-*.dsc

README

@@ -396,8 +396,8 @@ git-commit-tree will return the name of the object that represents
 that commit, and you should save it away for later use. Normally,
 you'd commit a new `HEAD` state, and while git doesn't care where you
 save the note about that state, in practice we tend to just write the
-result to the file `.git/HEAD`, so that we can always see what the
-last committed state was.
+result to the file pointed at by `.git/HEAD`, so that we can always see
+what the last committed state was.
 Here is an ASCII art by Jon Loeliger that illustrates how
 various pieces fit together.
@@ -464,7 +464,7 @@ tend to be small and fairly self-explanatory. In particular, if you
 follow the convention of having the top commit name in `.git/HEAD`,
 you can do
-		git-cat-file commit $(cat .git/HEAD)
+		git-cat-file commit HEAD
 to see what the top commit was.

apply.c

@@ -16,6 +16,7 @@
 //  --numstat does numeric diffstat, and doesn't actually apply
 //  --index-info shows the old and new index info for paths if available.
 //
+static int allow_binary_replacement = 0;
 static int check_index = 0;
 static int write_index = 0;
 static int diffstat = 0;
@@ -27,7 +28,7 @@ static int no_add = 0;
 static int show_index_info = 0;
 static int line_termination = '\n';
 static const char apply_usage[] =
-"git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [-z] <patch>...";
+"git-apply [--stat] [--numstat] [--summary] [--check] [--index] [--apply] [--no-add] [--index-info] [--allow-binary-replacement] [-z] <patch>...";
 /*
  * For "diff-stat" like behaviour, we keep track of the biggest change
@@ -891,7 +892,7 @@ static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
 	patchsize = parse_single_patch(buffer + offset + hdrsize, size - offset - hdrsize, patch);
-	if (!patchsize && !metadata_changes(patch)) {
+	if (!patchsize) {
 		static const char binhdr[] = "Binary files ";
 		if (sizeof(binhdr) - 1 < size - offset - hdrsize &&
@@ -899,9 +900,14 @@ static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
 			    sizeof(binhdr)-1))
 			patch->is_binary = 1;
-		if (patch->is_binary && !apply && !check)
-			;
-		else
+		/* Empty patch cannot be applied if:
+		 * - it is a binary patch and we do not do binary_replace, or
+		 * - text patch without metadata change
+		 */
+		if ((apply || check) &&
+		    (patch->is_binary
+		     ? !allow_binary_replacement
+		     : !metadata_changes(patch)))
 			die("patch with only garbage at line %d", linenr);
 	}
@@ -1155,10 +1161,77 @@ static int apply_one_fragment(struct buffer_desc *desc, struct fragment *frag)
 static int apply_fragments(struct buffer_desc *desc, struct patch *patch)
 {
 	struct fragment *frag = patch->fragments;
+	const char *name = patch->old_name ? patch->old_name : patch->new_name;
+
+	if (patch->is_binary) {
+		unsigned char sha1[20];
+
+		if (!allow_binary_replacement)
+			return error("cannot apply binary patch to '%s' "
+				     "without --allow-binary-replacement",
+				     name);
+
+		/* For safety, we require patch index line to contain
+		 * full 40-byte textual SHA1 for old and new, at least for now.
+		 */
+		if (strlen(patch->old_sha1_prefix) != 40 ||
+		    strlen(patch->new_sha1_prefix) != 40 ||
+		    get_sha1_hex(patch->old_sha1_prefix, sha1) ||
+		    get_sha1_hex(patch->new_sha1_prefix, sha1))
+			return error("cannot apply binary patch to '%s' "
+				     "without full index line", name);
+
+		if (patch->old_name) {
+			unsigned char hdr[50];
+			int hdrlen;
+
+			/* See if the old one matches what the patch
+			 * applies to.
+			 */
+			write_sha1_file_prepare(desc->buffer, desc->size,
+						"blob", sha1, hdr, &hdrlen);
+			if (strcmp(sha1_to_hex(sha1), patch->old_sha1_prefix))
+				return error("the patch applies to '%s' (%s), "
+					     "which does not match the "
+					     "current contents.",
+					     name, sha1_to_hex(sha1));
+		}
+		else {
+			/* Otherwise, the old one must be empty. */
+			if (desc->size)
+				return error("the patch applies to an empty "
+					     "'%s' but it is not empty", name);
+		}
+
+		/* For now, we do not record post-image data in the patch,
+		 * and require the object already present in the recipient's
+		 * object database.
+		 */
+		if (desc->buffer) {
+			free(desc->buffer);
+			desc->alloc = desc->size = 0;
+		}
+		get_sha1_hex(patch->new_sha1_prefix, sha1);
+
+		if (memcmp(sha1, null_sha1, 20)) {
+			char type[10];
+			unsigned long size;
+
+			desc->buffer = read_sha1_file(sha1, type, &size);
+			if (!desc->buffer)
+				return error("the necessary postimage %s for "
+					     "'%s' does not exist",
+					     patch->new_sha1_prefix, name);
+			desc->alloc = desc->size = size;
+		}
+
+		return 0;
+	}
 	while (frag) {
 		if (apply_one_fragment(desc, frag) < 0)
-			return error("patch failed: %s:%ld", patch->old_name, frag->oldpos);
+			return error("patch failed: %s:%ld",
+				     name, frag->oldpos);
 		frag = frag->next;
 	}
 	return 0;
@@ -1200,6 +1273,7 @@ static int check_patch(struct patch *patch)
 	struct stat st;
 	const char *old_name = patch->old_name;
 	const char *new_name = patch->new_name;
+	const char *name = old_name ? old_name : new_name;
 	if (old_name) {
 		int changed;
@@ -1274,7 +1348,7 @@ static int check_patch(struct patch *patch)
 	}	
 	if (apply_data(patch, &st) < 0)
-		return error("%s: patch does not apply", old_name);
+		return error("%s: patch does not apply", name);
 	return 0;
 }
@@ -1723,6 +1797,10 @@ int main(int argc, char **argv)
 			diffstat = 1;
 			continue;
 		}
+		if (!strcmp(arg, "--allow-binary-replacement")) {
+			allow_binary_replacement = 1;
+			continue;
+		}
 		if (!strcmp(arg, "--numstat")) {
 			apply = 0;
 			numstat = 1;

cache.h

@@ -179,6 +179,8 @@ extern int commit_index_file(struct cache_file *);
 extern void rollback_index_file(struct cache_file *);
 extern int trust_executable_bit;
+extern int only_use_symrefs;
+extern int diff_rename_limit_default;
 #define MTIME_CHANGED	0x0001
 #define CTIME_CHANGED	0x0002

commit.c

@@ -204,6 +204,7 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
 	unsigned char parent[20];
 	struct commit_list **pptr;
 	struct commit_graft *graft;
+	unsigned n_refs = 0;
 	if (item->object.parsed)
 		return 0;
@@ -214,7 +215,7 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
 		return error("bad tree pointer in commit %s\n", sha1_to_hex(item->object.sha1));
 	item->tree = lookup_tree(parent);
 	if (item->tree)
-		add_ref(&item->object, &item->tree->object);
+		n_refs++;
 	bufptr += 46; /* "tree " + "hex sha1" + "\n" */
 	pptr = &item->parents;
@@ -230,7 +231,7 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
 		new_parent = lookup_commit(parent);
 		if (new_parent) {
 			pptr = &commit_list_insert(new_parent, pptr)->next;
-			add_ref(&item->object, &new_parent->object);
+			n_refs++;
 		}
 	}
 	if (graft) {
@@ -241,10 +242,22 @@ int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size)
 			if (!new_parent)
 				continue;
 			pptr = &commit_list_insert(new_parent, pptr)->next;
-			add_ref(&item->object, &new_parent->object);
+			n_refs++;
 		}
 	}
 	item->date = parse_commit_date(bufptr);
+
+	if (track_object_refs) {
+		unsigned i = 0;
+		struct commit_list *p;
+		struct object_refs *refs = alloc_object_refs(n_refs);
+		if (item->tree)
+			refs->ref[i++] = &item->tree->object;
+		for (p = item->parents; p; p = p->next)
+			refs->ref[i++] = &p->item->object;
+		set_object_refs(&item->object, refs);
+	}
+
 	return 0;
 }

config.c

@@ -214,6 +214,11 @@ int git_default_config(const char *var, const char *value)
 		return 0;
 	}
+	if (!strcmp(var, "core.symrefsonly")) {
+		only_use_symrefs = git_config_bool(var, value);
+		return 0;
+	}
+
 	if (!strcmp(var, "user.name")) {
 		strncpy(git_default_name, value, sizeof(git_default_name));
 		return 0;
@@ -224,6 +229,11 @@ int git_default_config(const char *var, const char *value)
 		return 0;
 	}
+	if (!strcmp(var, "diff.renamelimit")) {
+		diff_rename_limit_default = git_config_int(var, value);
+		return 0;
+	}
+
 	/* Add other config variables here.. */
 	return 0;
 }

daemon.c

@@ -594,6 +594,7 @@ int main(int argc, char **argv)
 		}
 		if (!strcmp(arg, "--inetd")) {
 			inetd_mode = 1;
+			log_syslog = 1;
 			continue;
 		}
 		if (!strcmp(arg, "--verbose")) {
@@ -602,7 +603,6 @@ int main(int argc, char **argv)
 		}
 		if (!strcmp(arg, "--syslog")) {
 			log_syslog = 1;
-			openlog("git-daemon", 0, LOG_DAEMON);
 			continue;
 		}
 		if (!strcmp(arg, "--export-all")) {
@@ -611,9 +611,11 @@ int main(int argc, char **argv)
 		}
 		if (!strncmp(arg, "--timeout=", 10)) {
 			timeout = atoi(arg+10);
+			continue;
 		}
 		if (!strncmp(arg, "--init-timeout=", 15)) {
 			init_timeout = atoi(arg+15);
+			continue;
 		}
 		if (!strcmp(arg, "--")) {
 			ok_paths = &argv[i+1];
@@ -626,10 +628,13 @@ int main(int argc, char **argv)
 		usage(daemon_usage);
 	}
+	if (log_syslog)
+		openlog("git-daemon", 0, LOG_DAEMON);
+
 	if (inetd_mode) {
 		fclose(stderr); //FIXME: workaround
 		return execute();
-	} else {
-		return serve(port);
 	}
+
+	return serve(port);
 }

debian/changelog

+git-core (0.99.9j-0) unstable; urgency=low
+
+  * GIT 0.99.9j aka 1.0rc3
+
+ -- Junio C Hamano <junkio@cox.net>  Wed, 16 Nov 2005 20:39:55 -0800
+
 git-core (0.99.9i-0) unstable; urgency=low
   * GIT 0.99.9i aka 1.0rc2

diff.c

@@ -13,6 +13,8 @@ static const char *diff_opts = "-pu";
 static int use_size_cache;
+int diff_rename_limit_default = -1;
+
 static char *quote_one(const char *str)
 {
 	int needlen;
@@ -648,7 +650,7 @@ static void diff_fill_sha1_info(struct diff_filespec *one)
 		memset(one->sha1, 0, 20);
 }
-static void run_diff(struct diff_filepair *p)
+static void run_diff(struct diff_filepair *p, struct diff_options *o)
 {
 	const char *pgm = external_diff();
 	char msg[PATH_MAX*2+300], *xfrm_msg;
@@ -711,11 +713,11 @@ static void run_diff(struct diff_filepair *p)
 	if (memcmp(one->sha1, two->sha1, 20)) {
 		char one_sha1[41];
+		const char *index_fmt = o->full_index ? "index %s..%s" : "index %.7s..%.7s";
 		memcpy(one_sha1, sha1_to_hex(one->sha1), 41);
 		len += snprintf(msg + len, sizeof(msg) - len,
-				"index %.7s..%.7s", one_sha1,
-				sha1_to_hex(two->sha1));
+				index_fmt, one_sha1, sha1_to_hex(two->sha1));
 		if (one->mode == two->mode)
 			len += snprintf(msg + len, sizeof(msg) - len,
 					" %06o", one->mode);
@@ -761,9 +763,12 @@ void diff_setup(struct diff_options *options)
 int diff_setup_done(struct diff_options *options)
 {
-	if ((options->find_copies_harder || 0 <= options->rename_limit) &&
-	    options->detect_rename != DIFF_DETECT_COPY)
+	if ((options->find_copies_harder &&
+	     options->detect_rename != DIFF_DETECT_COPY) ||
+	    (0 <= options->rename_limit && !options->detect_rename))
 		return -1;
+	if (options->detect_rename && options->rename_limit < 0)
+		options->rename_limit = diff_rename_limit_default;
 	if (options->setup & DIFF_SETUP_USE_CACHE) {
 		if (!active_cache)
 			/* read-cache does not die even when it fails
@@ -789,6 +794,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
 		options->line_termination = 0;
 	else if (!strncmp(arg, "-l", 2))
 		options->rename_limit = strtoul(arg+2, NULL, 10);
+	else if (!strcmp(arg, "--full-index"))
+		options->full_index = 1;
 	else if (!strcmp(arg, "--name-only"))
 		options->output_format = DIFF_FORMAT_NAME;
 	else if (!strcmp(arg, "--name-status"))
@@ -1017,7 +1024,7 @@ int diff_unmodified_pair(struct diff_filepair *p)
 	return 0;
 }
-static void diff_flush_patch(struct diff_filepair *p)
+static void diff_flush_patch(struct diff_filepair *p, struct diff_options *o)
 {
 	if (diff_unmodified_pair(p))
 		return;
@@ -1026,7 +1033,7 @@ static void diff_flush_patch(struct diff_filepair *p)
 	    (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode)))
 		return; /* no tree diffs in patch format */ 
-	run_diff(p);
+	run_diff(p, o);
 }
 int diff_queue_is_empty(void)
@@ -1158,7 +1165,7 @@ void diff_flush(struct diff_options *options)
 			die("internal error in diff-resolve-rename-copy");
 		switch (diff_output_format) {
 		case DIFF_FORMAT_PATCH:
-			diff_flush_patch(p);
+			diff_flush_patch(p, options);
 			break;
 		case DIFF_FORMAT_RAW:
 		case DIFF_FORMAT_NAME_STATUS: