1 files changed, 78 insertions, 61 deletions

diff --git a/builtin/repack.c b/builtin/repack.c
index a2b9dba522..28fbc7099a 100644
--- a/builtin/repack.c
+++ b/builtin/repack.c
@@ -9,10 +9,12 @@
 #include "argv-array.h"
 
 static int delta_base_offset = 1;
+static int pack_kept_objects = -1;
+static int write_bitmaps;
 static char *packdir, *packtmp;
 
 static const char *const git_repack_usage[] = {
-	N_("git repack [options]"),
+	N_("git repack [<options>]"),
 	NULL
 };
 
@@ -22,6 +24,15 @@ static int repack_config(const char *var, const char *value, void *cb)
 		delta_base_offset = git_config_bool(var, value);
 		return 0;
 	}
+	if (!strcmp(var, "repack.packkeptobjects")) {
+		pack_kept_objects = git_config_bool(var, value);
+		return 0;
+	}
+	if (!strcmp(var, "repack.writebitmaps") ||
+	    !strcmp(var, "pack.writebitmaps")) {
+		write_bitmaps = git_config_bool(var, value);
+		return 0;
+	}
 	return git_default_config(var, value, cb);
 }
 
@@ -72,16 +83,15 @@ static void get_non_kept_pack_filenames(struct string_list *fname_list)
 	DIR *dir;
 	struct dirent *e;
 	char *fname;
-	size_t len;
 
 	if (!(dir = opendir(packdir)))
 		return;
 
 	while ((e = readdir(dir)) != NULL) {
-		if (suffixcmp(e->d_name, ".pack"))
+		size_t len;
+		if (!strip_suffix(e->d_name, ".pack", &len))
 			continue;
 
-		len = strlen(e->d_name) - strlen(".pack");
 		fname = xmemdupz(e->d_name, len);
 
 		if (!file_exists(mkpath("%s/%s.keep", packdir, fname)))
@@ -94,7 +104,7 @@ static void get_non_kept_pack_filenames(struct string_list *fname_list)
 
 static void remove_redundant_pack(const char *dir_name, const char *base_name)
 {
-	const char *exts[] = {".pack", ".idx", ".keep"};
+	const char *exts[] = {".pack", ".idx", ".keep", ".bitmap"};
 	int i;
 	struct strbuf buf = STRBUF_INIT;
 	size_t plen;
@@ -115,10 +125,16 @@ static void remove_redundant_pack(const char *dir_name, const char *base_name)
 
 int cmd_repack(int argc, const char **argv, const char *prefix)
 {
-	const char *exts[2] = {".pack", ".idx"};
-	struct child_process cmd;
+	struct {
+		const char *name;
+		unsigned optional:1;
+	} exts[] = {
+		{".pack"},
+		{".idx"},
+		{".bitmap", 1},
+	};
+	struct child_process cmd = CHILD_PROCESS_INIT;
 	struct string_list_item *item;
-	struct argv_array cmd_args = ARGV_ARRAY_INIT;
 	struct string_list names = STRING_LIST_INIT_DUP;
 	struct string_list rollback = STRING_LIST_INIT_NODUP;
 	struct string_list existing_packs = STRING_LIST_INIT_DUP;
@@ -155,6 +171,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 		OPT__QUIET(&quiet, N_("be quiet")),
 		OPT_BOOL('l', "local", &local,
 				N_("pass --local to git-pack-objects")),
+		OPT_BOOL('b', "write-bitmap-index", &write_bitmaps,
+				N_("write bitmap index")),
 		OPT_STRING(0, "unpack-unreachable", &unpack_unreachable, N_("approxidate"),
 				N_("with -A, do not loosen objects older than this")),
 		OPT_STRING(0, "window", &window, N_("n"),
@@ -165,6 +183,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 				N_("limits the maximum delta depth")),
 		OPT_STRING(0, "max-pack-size", &max_pack_size, N_("bytes"),
 				N_("maximum size of each packfile")),
+		OPT_BOOL(0, "pack-kept-objects", &pack_kept_objects,
+				N_("repack objects in packs marked with .keep")),
 		OPT_END()
 	};
 
@@ -173,58 +193,63 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 	argc = parse_options(argc, argv, prefix, builtin_repack_options,
 				git_repack_usage, 0);
 
+	if (pack_kept_objects < 0)
+		pack_kept_objects = write_bitmaps;
+
 	packdir = mkpathdup("%s/pack", get_object_directory());
 	packtmp = mkpathdup("%s/.tmp-%d-pack", packdir, (int)getpid());
 
 	sigchain_push_common(remove_pack_on_signal);
 
-	argv_array_push(&cmd_args, "pack-objects");
-	argv_array_push(&cmd_args, "--keep-true-parents");
-	argv_array_push(&cmd_args, "--honor-pack-keep");
-	argv_array_push(&cmd_args, "--non-empty");
-	argv_array_push(&cmd_args, "--all");
-	argv_array_push(&cmd_args, "--reflog");
+	argv_array_push(&cmd.args, "pack-objects");
+	argv_array_push(&cmd.args, "--keep-true-parents");
+	if (!pack_kept_objects)
+		argv_array_push(&cmd.args, "--honor-pack-keep");
+	argv_array_push(&cmd.args, "--non-empty");
+	argv_array_push(&cmd.args, "--all");
+	argv_array_push(&cmd.args, "--reflog");
+	argv_array_push(&cmd.args, "--indexed-objects");
 	if (window)
-		argv_array_pushf(&cmd_args, "--window=%s", window);
+		argv_array_pushf(&cmd.args, "--window=%s", window);
 	if (window_memory)
-		argv_array_pushf(&cmd_args, "--window-memory=%s", window_memory);
+		argv_array_pushf(&cmd.args, "--window-memory=%s", window_memory);
 	if (depth)
-		argv_array_pushf(&cmd_args, "--depth=%s", depth);
+		argv_array_pushf(&cmd.args, "--depth=%s", depth);
 	if (max_pack_size)
-		argv_array_pushf(&cmd_args, "--max-pack-size=%s", max_pack_size);
+		argv_array_pushf(&cmd.args, "--max-pack-size=%s", max_pack_size);
 	if (no_reuse_delta)
-		argv_array_pushf(&cmd_args, "--no-reuse-delta");
+		argv_array_pushf(&cmd.args, "--no-reuse-delta");
 	if (no_reuse_object)
-		argv_array_pushf(&cmd_args, "--no-reuse-object");
+		argv_array_pushf(&cmd.args, "--no-reuse-object");
+	if (write_bitmaps)
+		argv_array_push(&cmd.args, "--write-bitmap-index");
 
 	if (pack_everything & ALL_INTO_ONE) {
 		get_non_kept_pack_filenames(&existing_packs);
 
 		if (existing_packs.nr && delete_redundant) {
 			if (unpack_unreachable)
-				argv_array_pushf(&cmd_args,
+				argv_array_pushf(&cmd.args,
 						"--unpack-unreachable=%s",
 						unpack_unreachable);
 			else if (pack_everything & LOOSEN_UNREACHABLE)
-				argv_array_push(&cmd_args,
+				argv_array_push(&cmd.args,
 						"--unpack-unreachable");
 		}
 	} else {
-		argv_array_push(&cmd_args, "--unpacked");
-		argv_array_push(&cmd_args, "--incremental");
+		argv_array_push(&cmd.args, "--unpacked");
+		argv_array_push(&cmd.args, "--incremental");
 	}
 
 	if (local)
-		argv_array_push(&cmd_args,  "--local");
+		argv_array_push(&cmd.args,  "--local");
 	if (quiet)
-		argv_array_push(&cmd_args,  "--quiet");
+		argv_array_push(&cmd.args,  "--quiet");
 	if (delta_base_offset)
-		argv_array_push(&cmd_args,  "--delta-base-offset");
+		argv_array_push(&cmd.args,  "--delta-base-offset");
 
-	argv_array_push(&cmd_args, packtmp);
+	argv_array_push(&cmd.args, packtmp);
 
-	memset(&cmd, 0, sizeof(cmd));
-	cmd.argv = cmd_args.argv;
 	cmd.git_cmd = 1;
 	cmd.out = -1;
 	cmd.no_stdin = 1;
@@ -243,7 +268,6 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 	ret = finish_command(&cmd);
 	if (ret)
 		return ret;
-	argv_array_clear(&cmd_args);
 
 	if (!names.nr && !quiet)
 		printf("Nothing new to pack.\n");
@@ -256,17 +280,17 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 	 */
 	failed = 0;
 	for_each_string_list_item(item, &names) {
-		for (ext = 0; ext < 2; ext++) {
+		for (ext = 0; ext < ARRAY_SIZE(exts); ext++) {
 			char *fname, *fname_old;
-			fname = mkpathdup("%s/%s%s", packdir,
-						item->string, exts[ext]);
+			fname = mkpathdup("%s/pack-%s%s", packdir,
+						item->string, exts[ext].name);
 			if (!file_exists(fname)) {
 				free(fname);
 				continue;
 			}
 
 			fname_old = mkpath("%s/old-%s%s", packdir,
-						item->string, exts[ext]);
+						item->string, exts[ext].name);
 			if (file_exists(fname_old))
 				if (unlink(fname_old))
 					failed = 1;
@@ -313,19 +337,23 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 
 	/* Now the ones with the same name are out of the way... */
 	for_each_string_list_item(item, &names) {
-		for (ext = 0; ext < 2; ext++) {
+		for (ext = 0; ext < ARRAY_SIZE(exts); ext++) {
 			char *fname, *fname_old;
 			struct stat statbuffer;
+			int exists = 0;
 			fname = mkpathdup("%s/pack-%s%s",
-					packdir, item->string, exts[ext]);
+					packdir, item->string, exts[ext].name);
 			fname_old = mkpathdup("%s-%s%s",
-					packtmp, item->string, exts[ext]);
+					packtmp, item->string, exts[ext].name);
 			if (!stat(fname_old, &statbuffer)) {
 				statbuffer.st_mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
 				chmod(fname_old, statbuffer.st_mode);
+				exists = 1;
+			}
+			if (exists || !exts[ext].optional) {
+				if (rename(fname_old, fname))
+					die_errno(_("renaming '%s' failed"), fname_old);
 			}
-			if (rename(fname_old, fname))
-				die_errno(_("renaming '%s' failed"), fname_old);
 			free(fname);
 			free(fname_old);
 		}
@@ -333,12 +361,12 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 
 	/* Remove the "old-" files */
 	for_each_string_list_item(item, &names) {
-		for (ext = 0; ext < 2; ext++) {
+		for (ext = 0; ext < ARRAY_SIZE(exts); ext++) {
 			char *fname;
-			fname = mkpath("%s/old-pack-%s%s",
+			fname = mkpath("%s/old-%s%s",
 					packdir,
 					item->string,
-					exts[ext]);
+					exts[ext].name);
 			if (remove_path(fname))
 				warning(_("removing '%s' failed"), fname);
 		}
@@ -347,7 +375,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 	/* End of pack replacement. */
 
 	if (delete_redundant) {
-		sort_string_list(&names);
+		int opts = 0;
+		string_list_sort(&names);
 		for_each_string_list_item(item, &existing_packs) {
 			char *sha1;
 			size_t len = strlen(item->string);
@@ -357,25 +386,13 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
 			if (!string_list_has_string(&names, sha1))
 				remove_redundant_pack(packdir, item->string);
 		}
-		argv_array_push(&cmd_args, "prune-packed");
-		if (quiet)
-			argv_array_push(&cmd_args, "--quiet");
-
-		memset(&cmd, 0, sizeof(cmd));
-		cmd.argv = cmd_args.argv;
-		cmd.git_cmd = 1;
-		run_command(&cmd);
-		argv_array_clear(&cmd_args);
+		if (!quiet && isatty(2))
+			opts |= PRUNE_PACKED_VERBOSE;
+		prune_packed_objects(opts);
 	}
 
-	if (!no_update_server_info) {
-		argv_array_push(&cmd_args, "update-server-info");
-		memset(&cmd, 0, sizeof(cmd));
-		cmd.argv = cmd_args.argv;
-		cmd.git_cmd = 1;
-		run_command(&cmd);
-		argv_array_clear(&cmd_args);
-	}
+	if (!no_update_server_info)
+		update_server_info(0);
 	remove_temporary_files();
 	string_list_clear(&names, 0);
 	string_list_clear(&rollback, 0);