# algorithm. This is slower, but may detect attempted collision attacks.
# Takes priority over other *_SHA1 knobs.
#
+# Define DC_SHA1_EXTERNAL in addition to DC_SHA1 if you want to build / link
+# git with the external SHA1 collision-detect library.
+# Without this option, i.e. the default behavior is to build git with its
+# own built-in code (or submodule).
+#
# Define DC_SHA1_SUBMODULE in addition to DC_SHA1 to use the
# sha1collisiondetection shipped as a submodule instead of the
# non-submodule copy in sha1dc/. This is an experimental option used
ifneq ($(filter undefined,$(SANITIZERS)),)
BASIC_CFLAGS += -DNO_UNALIGNED_LOADS
endif
+ ifneq ($(filter leak,$(SANITIZERS)),)
+ BASIC_CFLAGS += -DSUPPRESS_ANNOTATED_LEAKS
+ endif
endif
ifndef sysconfdir
BASIC_CFLAGS += -DSHA1_APPLE
else
DC_SHA1 := YesPlease
+ BASIC_CFLAGS += -DSHA1_DC
+ LIB_OBJS += sha1dc_git.o
+ifdef DC_SHA1_EXTERNAL
+ ifdef DC_SHA1_SUBMODULE
+$(error Only set DC_SHA1_EXTERNAL or DC_SHA1_SUBMODULE, not both)
+ endif
+ BASIC_CFLAGS += -DDC_SHA1_EXTERNAL
+ EXTLIBS += -lsha1detectcoll
+else
ifdef DC_SHA1_SUBMODULE
LIB_OBJS += sha1collisiondetection/lib/sha1.o
LIB_OBJS += sha1collisiondetection/lib/ubc_check.o
LIB_OBJS += sha1dc/ubc_check.o
endif
BASIC_CFLAGS += \
- -DSHA1_DC \
-DSHA1DC_NO_STANDARD_INCLUDES \
-DSHA1DC_INIT_SAFE_HASH_DEFAULT=0 \
-DSHA1DC_CUSTOM_INCLUDE_SHA1_C="\"cache.h\"" \
- -DSHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_C="\"sha1dc_git.c\"" \
- -DSHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_H="\"sha1dc_git.h\"" \
-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="\"git-compat-util.h\""
endif
endif
endif
endif
+endif
ifdef SHA1_MAX_BLOCK_SIZE
LIB_OBJS += compat/sha1-chunked.o
static int reset_index(const struct object_id *oid, int reset_type, int quiet)
{
- int nr = 1;
+ int i, nr = 0;
struct tree_desc desc[2];
struct tree *tree;
struct unpack_trees_options opts;
+ int ret = -1;
memset(&opts, 0, sizeof(opts));
opts.head_idx = 1;
struct object_id head_oid;
if (get_oid("HEAD", &head_oid))
return error(_("You do not have a valid HEAD."));
- if (!fill_tree_descriptor(desc, &head_oid))
+ if (!fill_tree_descriptor(desc + nr, &head_oid))
return error(_("Failed to find tree of HEAD."));
nr++;
opts.fn = twoway_merge;
}
- if (!fill_tree_descriptor(desc + nr - 1, oid))
- return error(_("Failed to find tree of %s."), oid_to_hex(oid));
+ if (!fill_tree_descriptor(desc + nr, oid)) {
+ error(_("Failed to find tree of %s."), oid_to_hex(oid));
+ goto out;
+ }
+ nr++;
+
if (unpack_trees(nr, desc, &opts))
- return -1;
+ goto out;
if (reset_type == MIXED || reset_type == HARD) {
tree = parse_tree_indirect(oid);
prime_cache_tree(&the_index, tree);
}
- return 0;
+ ret = 0;
+
+ out:
+ for (i = 0; i < nr; i++)
+ free((void *)desc[i].buffer);
+ return ret;
}
static void print_new_head_line(struct commit *commit)
die_if_unmerged_cache(reset_type);
if (reset_type != SOFT) {
- struct lock_file *lock = xcalloc(1, sizeof(*lock));
- hold_locked_index(lock, LOCK_DIE_ON_ERROR);
+ struct lock_file lock = LOCK_INIT;
+ hold_locked_index(&lock, LOCK_DIE_ON_ERROR);
if (reset_type == MIXED) {
int flags = quiet ? REFRESH_QUIET : REFRESH_IN_PORCELAIN;
if (read_from_tree(&pathspec, &oid, intent_to_add))
die(_("Could not reset index file to revision '%s'."), rev);
}
- if (write_locked_index(&the_index, lock, COMMIT_LOCK))
+ if (write_locked_index(&the_index, &lock, COMMIT_LOCK))
die(_("Could not write new index file."));
}
}
option = allow_add ? ADD_CACHE_OK_TO_ADD : 0;
option |= allow_replace ? ADD_CACHE_OK_TO_REPLACE : 0;
- if (add_cache_entry(ce, option))
+ if (add_cache_entry(ce, option)) {
+ free(ce);
return error("%s: cannot add to the index - missing --add option?", path);
+ }
return 0;
}
struct refresh_params refresh_args = {0, &has_errors};
int lock_error = 0;
int split_index = -1;
- struct lock_file *lock_file;
+ struct lock_file lock_file = LOCK_INIT;
struct parse_opt_ctx_t ctx;
strbuf_getline_fn getline_fn;
int parseopt_state = PARSE_OPT_UNKNOWN;
git_config(git_default_config, NULL);
- /* We can't free this memory, it becomes part of a linked list parsed atexit() */
- lock_file = xcalloc(1, sizeof(struct lock_file));
-
/* we will diagnose later if it turns out that we need to update it */
- newfd = hold_locked_index(lock_file, 0);
+ newfd = hold_locked_index(&lock_file, 0);
if (newfd < 0)
lock_error = errno;
exit(128);
unable_to_lock_die(get_index_file(), lock_error);
}
- if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
+ if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
die("Unable to write new index file");
}
- rollback_lock_file(lock_file);
+ rollback_lock_file(&lock_file);
return has_errors ? 1 : 0;
}