diff options
Diffstat (limited to 'read-cache.c')
-rw-r--r-- | read-cache.c | 80 |
1 files changed, 52 insertions, 28 deletions
diff --git a/read-cache.c b/read-cache.c index 491e52d120..9054369dd0 100644 --- a/read-cache.c +++ b/read-cache.c @@ -156,12 +156,12 @@ void fill_stat_cache_info(struct cache_entry *ce, struct stat *st) static int ce_compare_data(const struct cache_entry *ce, struct stat *st) { int match = -1; - int fd = open(ce->name, O_RDONLY); + int fd = git_open_cloexec(ce->name, O_RDONLY); if (fd >= 0) { unsigned char sha1[20]; if (!index_fd(sha1, fd, st, OBJ_BLOB, ce->name, 0)) - match = hashcmp(sha1, ce->sha1); + match = hashcmp(sha1, ce->oid.hash); /* index_fd() closed the file descriptor already */ } return match; @@ -178,7 +178,7 @@ static int ce_compare_link(const struct cache_entry *ce, size_t expected_size) if (strbuf_readlink(&sb, ce->name, expected_size)) return -1; - buffer = read_sha1_file(ce->sha1, &type, &size); + buffer = read_sha1_file(ce->oid.hash, &type, &size); if (buffer) { if (size == sb.len) match = memcmp(buffer, sb.buf, size); @@ -202,7 +202,7 @@ static int ce_compare_gitlink(const struct cache_entry *ce) */ if (resolve_gitlink_ref(ce->name, "HEAD", sha1) < 0) return 0; - return hashcmp(sha1, ce->sha1); + return hashcmp(sha1, ce->oid.hash); } static int ce_modified_check_fs(const struct cache_entry *ce, struct stat *st) @@ -262,7 +262,7 @@ static int ce_match_stat_basic(const struct cache_entry *ce, struct stat *st) /* Racily smudged entry? */ if (!ce->ce_stat_data.sd_size) { - if (!is_empty_blob_sha1(ce->sha1)) + if (!is_empty_blob_sha1(ce->oid.hash)) changed |= DATA_CHANGED; } @@ -503,7 +503,6 @@ int index_name_pos(const struct index_state *istate, const char *name, int namel return index_name_stage_pos(istate, name, namelen, 0); } -/* Remove entry, return true if there are more entries to go.. */ int remove_index_entry_at(struct index_state *istate, int pos) { struct cache_entry *ce = istate->cache[pos]; @@ -624,10 +623,10 @@ void set_object_name_for_intent_to_add_entry(struct cache_entry *ce) unsigned char sha1[20]; if (write_sha1_file("", 0, blob_type, sha1)) die("cannot create an empty blob in the object database"); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); } -int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags, int force_mode) +int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags) { int size, namelen, was_same; mode_t st_mode = st->st_mode; @@ -656,11 +655,10 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, else ce->ce_flags |= CE_INTENT_TO_ADD; - if (S_ISREG(st_mode) && force_mode) - ce->ce_mode = create_ce_mode(force_mode); - else if (trust_executable_bit && has_symlinks) + + if (trust_executable_bit && has_symlinks) { ce->ce_mode = create_ce_mode(st_mode); - else { + } else { /* If there is an existing entry, pick the mode bits and type * from it, otherwise assume unexecutable regular file. */ @@ -691,7 +689,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, return 0; } if (!intent_only) { - if (index_path(ce->sha1, path, st, HASH_WRITE_OBJECT)) { + if (index_path(ce->oid.hash, path, st, HASH_WRITE_OBJECT)) { free(ce); return error("unable to index file %s", path); } @@ -705,7 +703,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, /* It was suspected to be racily clean, but it turns out to be Ok */ was_same = (alias && !ce_stage(alias) && - !hashcmp(alias->sha1, ce->sha1) && + !oidcmp(&alias->oid, &ce->oid) && ce->ce_mode == alias->ce_mode); if (pretend) @@ -719,13 +717,12 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st, return 0; } -int add_file_to_index(struct index_state *istate, const char *path, - int flags, int force_mode) +int add_file_to_index(struct index_state *istate, const char *path, int flags) { struct stat st; if (lstat(path, &st)) die_errno("unable to stat '%s'", path); - return add_to_index(istate, path, &st, flags, force_mode); + return add_to_index(istate, path, &st, flags); } struct cache_entry *make_cache_entry(unsigned int mode, @@ -744,7 +741,7 @@ struct cache_entry *make_cache_entry(unsigned int mode, size = cache_entry_size(len); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + hashcpy(ce->oid.hash, sha1); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = len; @@ -756,6 +753,35 @@ struct cache_entry *make_cache_entry(unsigned int mode, return ret; } +/* + * Chmod an index entry with either +x or -x. + * + * Returns -1 if the chmod for the particular cache entry failed (if it's + * not a regular file), -2 if an invalid flip argument is passed in, 0 + * otherwise. + */ +int chmod_index_entry(struct index_state *istate, struct cache_entry *ce, + char flip) +{ + if (!S_ISREG(ce->ce_mode)) + return -1; + switch (flip) { + case '+': + ce->ce_mode |= 0111; + break; + case '-': + ce->ce_mode &= ~0111; + break; + default: + return -2; + } + cache_tree_invalidate_path(istate, ce->name); + ce->ce_flags |= CE_UPDATE_IN_BASE; + istate->cache_changed |= CE_ENTRY_CHANGED; + + return 0; +} + int ce_same_name(const struct cache_entry *a, const struct cache_entry *b) { int len = ce_namelen(a); @@ -1391,12 +1417,9 @@ static int read_index_extension(struct index_state *istate, return 0; } -int hold_locked_index(struct lock_file *lk, int die_on_error) +int hold_locked_index(struct lock_file *lk, int lock_flags) { - return hold_lock_file_for_update(lk, get_index_file(), - die_on_error - ? LOCK_DIE_ON_ERROR - : 0); + return hold_lock_file_for_update(lk, get_index_file(), lock_flags); } int read_index(struct index_state *istate) @@ -1424,7 +1447,7 @@ static struct cache_entry *cache_entry_from_ondisk(struct ondisk_cache_entry *on ce->ce_flags = flags & ~CE_NAMEMASK; ce->ce_namelen = len; ce->index = 0; - hashcpy(ce->sha1, ondisk->sha1); + hashcpy(ce->oid.hash, ondisk->sha1); memcpy(ce->name, name, len); ce->name[len] = '\0'; return ce; @@ -1849,7 +1872,7 @@ static char *copy_cache_entry_to_ondisk(struct ondisk_cache_entry *ondisk, ondisk->uid = htonl(ce->ce_stat_data.sd_uid); ondisk->gid = htonl(ce->ce_stat_data.sd_gid); ondisk->size = htonl(ce->ce_stat_data.sd_size); - hashcpy(ondisk->sha1, ce->sha1); + hashcpy(ondisk->sha1, ce->oid.hash); flags = ce->ce_flags & ~CE_NAMEMASK; flags |= (ce_namelen(ce) >= CE_NAMEMASK ? CE_NAMEMASK : ce_namelen(ce)); @@ -2038,7 +2061,7 @@ static int do_write_index(struct index_state *istate, int newfd, continue; if (!ce_uptodate(ce) && is_racy_timestamp(istate, ce)) ce_smudge_racily_clean_entry(ce); - if (is_null_sha1(ce->sha1)) { + if (is_null_oid(&ce->oid)) { static const char msg[] = "cache entry has null sha1: %s"; static int allow = -1; @@ -2261,7 +2284,8 @@ int index_name_is_other(const struct index_state *istate, const char *name, return 1; } -void *read_blob_data_from_index(struct index_state *istate, const char *path, unsigned long *size) +void *read_blob_data_from_index(const struct index_state *istate, + const char *path, unsigned long *size) { int pos, len; unsigned long sz; @@ -2285,7 +2309,7 @@ void *read_blob_data_from_index(struct index_state *istate, const char *path, un } if (pos < 0) return NULL; - data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz); + data = read_sha1_file(istate->cache[pos]->oid.hash, &type, &sz); if (!data || type != OBJ_BLOB) { free(data); return NULL; |