diff options
Diffstat (limited to 'read-cache.c')
| -rw-r--r-- | read-cache.c | 65 |
1 files changed, 36 insertions, 29 deletions
diff --git a/read-cache.c b/read-cache.c index 2eb81a6..198e72b 100644 --- a/read-cache.c +++ b/read-cache.c @@ -1603,7 +1603,7 @@ int hold_locked_index(struct lock_file *lk, int lock_flags) int read_index(struct index_state *istate) { - return read_index_from(istate, get_index_file()); + return read_index_from(istate, get_index_file(), get_git_dir()); } static struct cache_entry *cache_entry_from_ondisk(struct ondisk_cache_entry *ondisk, @@ -1863,20 +1863,19 @@ unmap: * This way, shared index can be removed if they have not been used * for some time. */ -static void freshen_shared_index(char *base_sha1_hex, int warn) +static void freshen_shared_index(const char *shared_index, int warn) { - char *shared_index = git_pathdup("sharedindex.%s", base_sha1_hex); if (!check_and_freshen_file(shared_index, 1) && warn) warning("could not freshen shared index '%s'", shared_index); - free(shared_index); } -int read_index_from(struct index_state *istate, const char *path) +int read_index_from(struct index_state *istate, const char *path, + const char *gitdir) { struct split_index *split_index; int ret; char *base_sha1_hex; - const char *base_path; + char *base_path; /* istate->initialized covers both .git/index and .git/sharedindex.xxx */ if (istate->initialized) @@ -1896,16 +1895,17 @@ int read_index_from(struct index_state *istate, const char *path) split_index->base = xcalloc(1, sizeof(*split_index->base)); base_sha1_hex = sha1_to_hex(split_index->base_sha1); - base_path = git_path("sharedindex.%s", base_sha1_hex); + base_path = xstrfmt("%s/sharedindex.%s", gitdir, base_sha1_hex); ret = do_read_index(split_index->base, base_path, 1); if (hashcmp(split_index->base_sha1, split_index->base->sha1)) die("broken index, expect %s in %s, got %s", base_sha1_hex, base_path, sha1_to_hex(split_index->base->sha1)); - freshen_shared_index(base_sha1_hex, 0); + freshen_shared_index(base_path, 0); merge_base_index(istate); post_read_index_from(istate); + free(base_path); return ret; } @@ -2243,7 +2243,7 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile, struct stat st; struct ondisk_cache_entry_extended ondisk; struct strbuf previous_name_buf = STRBUF_INIT, *previous_name; - int drop_cache_tree = 0; + int drop_cache_tree = istate->drop_cache_tree; for (i = removed = extended = 0; i < entries; i++) { if (cache[i]->ce_flags & CE_REMOVE) @@ -2472,32 +2472,21 @@ static int clean_shared_index_files(const char *current_hex) } static int write_shared_index(struct index_state *istate, - struct lock_file *lock, unsigned flags) + struct tempfile **temp) { - struct tempfile *temp; struct split_index *si = istate->split_index; int ret; - temp = mks_tempfile(git_path("sharedindex_XXXXXX")); - if (!temp) { - hashclr(si->base_sha1); - return do_write_locked_index(istate, lock, flags); - } move_cache_to_base_index(istate); - ret = do_write_index(si->base, temp, 1); - if (ret) { - delete_tempfile(&temp); + ret = do_write_index(si->base, *temp, 1); + if (ret) return ret; - } - ret = adjust_shared_perm(get_tempfile_path(temp)); + ret = adjust_shared_perm(get_tempfile_path(*temp)); if (ret) { - int save_errno = errno; - error("cannot fix permission bits on %s", get_tempfile_path(temp)); - delete_tempfile(&temp); - errno = save_errno; + error("cannot fix permission bits on %s", get_tempfile_path(*temp)); return ret; } - ret = rename_tempfile(&temp, + ret = rename_tempfile(temp, git_path("sharedindex.%s", sha1_to_hex(si->base->sha1))); if (!ret) { hashcpy(si->base_sha1, si->base->sha1); @@ -2565,7 +2554,22 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock, new_shared_index = istate->cache_changed & SPLIT_INDEX_ORDERED; if (new_shared_index) { - ret = write_shared_index(istate, lock, flags); + struct tempfile *temp; + int saved_errno; + + temp = mks_tempfile(git_path("sharedindex_XXXXXX")); + if (!temp) { + hashclr(si->base_sha1); + ret = do_write_locked_index(istate, lock, flags); + goto out; + } + ret = write_shared_index(istate, &temp); + + saved_errno = errno; + if (is_tempfile_active(temp)) + delete_tempfile(&temp); + errno = saved_errno; + if (ret) goto out; } @@ -2573,8 +2577,11 @@ int write_locked_index(struct index_state *istate, struct lock_file *lock, ret = write_split_index(istate, lock, flags); /* Freshen the shared index only if the split-index was written */ - if (!ret && !new_shared_index) - freshen_shared_index(sha1_to_hex(si->base_sha1), 1); + if (!ret && !new_shared_index) { + const char *shared_index = git_path("sharedindex.%s", + sha1_to_hex(si->base_sha1)); + freshen_shared_index(shared_index, 1); + } out: if (flags & COMMIT_LOCK) |