Merge with master.kernel.org:/pub/scm/git/git.git

Author: Peter Anvin

.gitignore

@@ -82,6 +82,7 @@ git-ssh-push
 git-ssh-upload
 git-status
 git-stripspace
+git-symbolic-ref
 git-tag
 git-tar-tree
 git-unpack-file

Documentation/git-clone.txt

@@ -9,14 +9,15 @@ git-clone - Clones a repository.
 
 SYNOPSIS
 --------
-'git clone' [-l] [-u <upload-pack>] [-q] <repository> <directory>
+'git clone' [-l [-s]] [-q] [-n] [-u <upload-pack>] <repository> <directory>
 
 DESCRIPTION
 -----------
 Clones a repository into a newly created directory.
 
 OPTIONS
 -------
+--local::
 -l::
 	When the repository to clone from is on a local machine,
 	this flag bypasses normal "git aware" transport
@@ -25,10 +26,22 @@ OPTIONS
 	The files under .git/objects/ directory are hardlinked
 	to save space when possible.
 
+--shared::
+-s::
+	When the repository to clone is on the local machine,
+	instead of using hard links automatically setup
+	.git/objects/info/alternatives to share the objects
+	with the source repository
+
+--quiet::
 -q::
 	Operate quietly.  This flag is passed to "rsync" and
 	"git-clone-pack" commands when given.
 
+-n::
+	No checkout of HEAD is performed after the clone is complete.
+
+--upload-pack <upload-pack>::
 -u <upload-pack>::
 	When given, and the repository to clone from is handled
 	by 'git-clone-pack', '--exec=<upload-pack>' is passed to

Documentation/git-ls-files.txt

@@ -13,7 +13,7 @@ SYNOPSIS
 		(-[c|d|o|i|s|u|k|m])\*
 		[-x <pattern>|--exclude=<pattern>]
 		[-X <file>|--exclude-from=<file>]
-		[--exclude-per-directory=<file>]
+		[--exclude-per-directory=<file>] [--] [<file>]\*
 
 DESCRIPTION
 -----------
@@ -77,6 +77,13 @@ OPTIONS
 	K	to be killed
 	?	other
 
+--::
+	Do not interpret any more arguments as options.
+
+<file>::
+	Files to show. If no files are given all files which match the other
+	specified criteria are shown.
+
 Output
 ------
 show files just outputs the filename unless '--stage' is specified in

Makefile

@@ -50,7 +50,7 @@
 
 # DEFINES += -DUSE_STDEV
 
-GIT_VERSION = 0.99.7.GIT
+GIT_VERSION = 0.99.8.GIT
 
 CFLAGS = -g -O2 -Wall
 ALL_CFLAGS = $(CFLAGS) $(PLATFORM_DEFINES) $(DEFINES)
@@ -103,25 +103,29 @@ SIMPLE_PROGRAMS = \
 
 # ... and all the rest
 PROGRAMS = \
-	git-apply$X git-cat-file$X git-checkout-index$X		\
-	git-clone-pack$X git-commit-tree$X git-convert-objects$X	\
-	git-diff-files$X git-diff-index$X git-diff-stages$X	\
-	git-diff-tree$X git-fetch-pack$X git-fsck-objects$X	\
-	git-hash-object$X git-init-db$X git-local-fetch$X		\
-	git-ls-files$X git-ls-tree$X git-merge-base$X		\
-	git-merge-index$X git-mktag$X git-pack-objects$X		\
-	git-patch-id$X git-peek-remote$X git-prune-packed$X	\
-	git-read-tree$X git-receive-pack$X git-rev-list$X		\
-	git-rev-parse$X git-send-pack$X git-show-branch$X		\
-	git-show-index$X git-ssh-fetch$X git-ssh-upload$X		\
-	git-tar-tree$X git-unpack-file$X git-unpack-objects$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 $(SIMPLE_PROGRAMS)
+	git-apply$X git-cat-file$X \
+	git-checkout-index$X git-clone-pack$X git-commit-tree$X \
+	git-convert-objects$X git-diff-files$X \
+	git-diff-index$X git-diff-stages$X \
+	git-diff-tree$X git-fetch-pack$X git-fsck-objects$X \
+	git-hash-object$X git-init-db$X \
+	git-local-fetch$X git-ls-files$X git-ls-tree$X git-merge-base$X \
+	git-merge-index$X git-mktag$X git-pack-objects$X git-patch-id$X \
+	git-peek-remote$X git-prune-packed$X git-read-tree$X \
+	git-receive-pack$X git-rev-list$X git-rev-parse$X \
+	git-send-pack$X git-show-branch$X \
+	git-show-index$X git-ssh-fetch$X \
+	git-ssh-upload$X git-tar-tree$X git-unpack-file$X \
+	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 \
+	$(SIMPLE_PROGRAMS)
 
 # Backward compatibility -- to be removed after 1.0
 PROGRAMS += git-ssh-pull$X git-ssh-push$X
 
+GIT_LIST_TWEAK =
+
 PYMODULES = \
 	gitMergeCommon.py
 
@@ -131,6 +135,8 @@ endif
 
 ifdef WITH_SEND_EMAIL
 	SCRIPT_PERL += git-send-email.perl
+else
+	GIT_LIST_TWEAK += -e '/^send-email$$/d'
 endif
 
 LIB_FILE=libgit.a
@@ -181,6 +187,10 @@ endif
 ifneq (,$(findstring arm,$(shell uname -m)))
 	ARM_SHA1 = YesPlease
 endif
+ifeq ($(shell uname -s),OpenBSD)
+	NEEDS_LIBICONV = YesPlease
+	PLATFORM_DEFINES += -I/usr/local/include -L/usr/local/lib
+endif
 
 ifndef NO_CURL
 	ifdef CURLDIR
@@ -206,18 +216,32 @@ endif
 ifndef NO_OPENSSL
 	LIB_OBJS += epoch.o
 	OPENSSL_LIBSSL = -lssl
+	ifdef OPENSSLDIR
+		# Again this may be problematic -- gcc does not always want -R.
+		CFLAGS += -I$(OPENSSLDIR)/include
+		OPENSSL_LINK = -L$(OPENSSLDIR)/lib -R$(OPENSSLDIR)/lib
+	else
+		OPENSSL_LINK =
+	endif
 else
 	DEFINES += '-DNO_OPENSSL'
 	MOZILLA_SHA1 = 1
 	OPENSSL_LIBSSL =
 endif
 ifdef NEEDS_SSL_WITH_CRYPTO
-	LIB_4_CRYPTO = -lcrypto -lssl
+	LIB_4_CRYPTO = $(OPENSSL_LINK) -lcrypto -lssl
 else
-	LIB_4_CRYPTO = -lcrypto
+	LIB_4_CRYPTO = $(OPENSSL_LINK) -lcrypto
 endif
 ifdef NEEDS_LIBICONV
-	LIB_4_ICONV = -liconv
+	ifdef ICONVDIR
+		# Again this may be problematic -- gcc does not always want -R.
+		CFLAGS += -I$(ICONVDIR)/include
+		ICONV_LINK = -L$(ICONVDIR)/lib -R$(ICONVDIR)/lib
+	else
+		ICONV_LINK =
+	endif
+	LIB_4_ICONV = $(ICONV_LINK) -liconv
 else
 	LIB_4_ICONV =
 endif
@@ -273,8 +297,13 @@ all:
 git: git.sh Makefile
 	rm -f $@+ $@
 	sed -e '1s|#!.*/sh|#!$(SHELL_PATH)|' \
+<<<<<<< Makefile
 	    -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
 	    -e 's/@@X@@/$(X)/g' <[email protected] >$@+
+=======
+	    -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+	    $(GIT_LIST_TWEAK) <[email protected] >$@+
+>>>>>>> .merge_file_3QHyD4
 	chmod +x $@+
 	mv $@+ $@
 

apply.c

@@ -723,6 +723,16 @@ static int parse_single_patch(char *line, unsigned long size, struct patch *patc
 	return offset;
 }
 
+static inline int metadata_changes(struct patch *patch)
+{
+	return	patch->is_rename > 0 ||
+		patch->is_copy > 0 ||
+		patch->is_new > 0 ||
+		patch->is_delete ||
+		(patch->old_mode && patch->new_mode &&
+		 patch->old_mode != patch->new_mode);
+}
+
 static int parse_chunk(char *buffer, unsigned long size, struct patch *patch)
 {
 	int hdrsize, patchsize;
@@ -733,6 +743,9 @@ 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))
+		die("patch with only garbage at line %d", linenr);
+
 	return offset + hdrsize + patchsize;
 }
 

cache.h

@@ -189,6 +189,7 @@ extern char *git_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)
 extern char *sha1_file_name(const unsigned char *sha1);
 extern char *sha1_pack_name(const unsigned char *sha1);
 extern char *sha1_pack_index_name(const unsigned char *sha1);
+extern const unsigned char null_sha1[20];
 
 int git_mkstemp(char *path, size_t n, const char *template);
 
@@ -228,6 +229,10 @@ extern int has_pack_index(const unsigned char *sha1);
 extern int get_sha1(const char *str, unsigned char *sha1);
 extern int get_sha1_hex(const char *hex, unsigned char *sha1);
 extern char *sha1_to_hex(const unsigned char *sha1);	/* static buffer result! */
+extern int read_ref(const char *filename, unsigned char *sha1);
+extern const char *resolve_ref(const char *path, unsigned char *sha1, int);
+extern int create_symref(const char *git_HEAD, const char *refs_heads_master);
+extern int validate_symref(const char *git_HEAD);
 
 /* General helper functions */
 extern void usage(const char *err) NORETURN;

debian/changelog

@@ -1,3 +1,9 @@
+git-core (0.99.8-0) unstable; urgency=low
+
+  * GIT 0.99.8
+
+ -- Junio C Hamano <[email protected]>  Sun,  2 Oct 2005 12:54:26 -0700
+
 git-core (0.99.7-0) unstable; urgency=low
 
   * GIT 0.99.7

diff-files.c

@@ -34,7 +34,6 @@ static void show_modified(int oldmode, int mode,
 
 int main(int argc, const char **argv)
 {
-	static const unsigned char null_sha1[20] = { 0, };
 	const char **pathspec;
 	const char *prefix = setup_git_directory();
 	int entries, i;

diff.c

@@ -10,7 +10,6 @@
 #include "diffcore.h"
 
 static const char *diff_opts = "-pu";
-static unsigned char null_sha1[20] = { 0, };
 
 static int use_size_cache;
 
@@ -414,7 +413,7 @@ void diff_free_filespec_data(struct diff_filespec *s)
 static void prep_temp_blob(struct diff_tempfile *temp,
 			   void *blob,
 			   unsigned long size,
-			   unsigned char *sha1,
+			   const unsigned char *sha1,
 			   int mode)
 {
 	int fd;

fsck-objects.c

@@ -402,25 +402,17 @@ static void fsck_object_dir(const char *path)
 
 static int fsck_head_link(void)
 {
-	int fd, count;
-	char hex[40];
 	unsigned char sha1[20];
-	static char path[PATH_MAX], link[PATH_MAX];
-	const char *git_dir = get_git_dir();
-
-	snprintf(path, sizeof(path), "%s/HEAD", git_dir);
-	if (readlink(path, link, sizeof(link)) < 0)
-		return error("HEAD is not a symlink");
-	if (strncmp("refs/heads/", link, 11))
-		return error("HEAD points to something strange (%s)", link);
-	fd = open(path, O_RDONLY);
-	if (fd < 0)
-		return error("HEAD: %s", strerror(errno));
-	count = read(fd, hex, sizeof(hex));
-	close(fd);
-	if (count < 0)
-		return error("HEAD: %s", strerror(errno));
-	if (count < 40 || get_sha1_hex(hex, sha1))
+	const char *git_HEAD = strdup(git_path("HEAD"));
+	const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 1);
+	int pfxlen = strlen(git_HEAD) - 4; /* strip .../.git/ part */
+
+	if (!git_refs_heads_master)
+		return error("HEAD is not a symbolic ref");
+	if (strncmp(git_refs_heads_master + pfxlen, "refs/heads/", 11))
+		return error("HEAD points to something strange (%s)",
+			     git_refs_heads_master + pfxlen);
+	if (!memcmp(null_sha1, sha1, 20))
 		return error("HEAD: not a valid git pointer");
 	return 0;
 }

git-archimport.perl

@@ -228,10 +228,12 @@ END
     # skip commits already in repo
     #
     if (ptag($ps->{id})) {
-      $opt_v && print "Skipping already imported: $ps->{id}\n";
+      $opt_v && print " * Skipping already imported: $ps->{id}\n";
       next;
     }
 
+    print " * Starting to work on $ps->{id}\n";
+
     # 
     # create the branch if needed
     #
@@ -675,6 +677,10 @@ sub find_parents {
     # that branch.
     #
     foreach my $branch (keys %branches) {
+
+	# check that we actually know about the branch
+	next unless -e "$git_dir/refs/heads/$branch";
+
 	my $mergebase = `git-merge-base $branch $ps->{branch}`;
 	die "Cannot find merge base for $branch and $ps->{branch}" if $?;
 	chomp $mergebase;

git-bisect.sh

@@ -38,15 +38,16 @@ bisect_start() {
 	# Verify HEAD. If we were bisecting before this, reset to the
 	# top-of-line master first!
 	#
-	head=$(readlink $GIT_DIR/HEAD) || die "Bad HEAD - I need a symlink"
+	head=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD) ||
+	die "Bad HEAD - I need a symbolic ref"
 	case "$head" in
 	refs/heads/bisect*)
 		git checkout master || exit
 		;;
 	refs/heads/*)
 		;;
 	*)
-		die "Bad HEAD - strange symlink"
+		die "Bad HEAD - strange symbolic ref"
 		;;
 	esac
 
@@ -135,7 +136,7 @@ bisect_next() {
 	echo "$rev" > "$GIT_DIR/refs/heads/new-bisect"
 	git checkout new-bisect || exit
 	mv "$GIT_DIR/refs/heads/new-bisect" "$GIT_DIR/refs/heads/bisect" &&
-	ln -sf refs/heads/bisect "$GIT_DIR/HEAD"
+	GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD refs/heads/bisect
 	git-show-branch "$rev"
 }
 

git-branch.sh

@@ -14,7 +14,8 @@ If two arguments, create a new branch <branchname> based off of <start-point>.
 
 delete_branch () {
     option="$1" branch_name="$2"
-    headref=$(readlink "$GIT_DIR/HEAD" | sed -e 's|^refs/heads/||')
+    headref=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD |
+    	       sed -e 's|^refs/heads/||')
     case ",$headref," in
     ",$branch_name,")
 	die "Cannot delete the branch you are on." ;;
@@ -67,7 +68,8 @@ done
 
 case "$#" in
 0)
-	headref=$(readlink "$GIT_DIR/HEAD" | sed -e 's|^refs/heads/||')
+	headref=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD |
+		  sed -e 's|^refs/heads/||')
 	git-rev-parse --symbolic --all |
 	sed -ne 's|^refs/heads/||p' |
 	sort |

git-checkout.sh

@@ -71,7 +71,8 @@ if [ "$?" -eq 0 ]; then
 		echo $new > "$GIT_DIR/refs/heads/$newbranch"
 		branch="$newbranch"
 	fi
-	[ "$branch" ] && ln -sf "refs/heads/$branch" "$GIT_DIR/HEAD"
+	[ "$branch" ] &&
+	GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD "refs/heads/$branch"
 	rm -f "$GIT_DIR/MERGE_HEAD"
 else
 	exit 1