diff options
| -rw-r--r-- | dir.c | 54 | ||||
| -rw-r--r-- | dir.h | 6 |
2 files changed, 53 insertions, 7 deletions
@@ -466,7 +466,8 @@ void add_exclude(const char *string, const char *base, x->el = el; } -static void *read_skip_worktree_file_from_index(const char *path, size_t *size) +static void *read_skip_worktree_file_from_index(const char *path, size_t *size, + struct sha1_stat *sha1_stat) { int pos, len; unsigned long sz; @@ -485,6 +486,10 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size) return NULL; } *size = xsize_t(sz); + if (sha1_stat) { + memset(&sha1_stat->stat, 0, sizeof(sha1_stat->stat)); + hashcpy(sha1_stat->sha1, active_cache[pos]->sha1); + } return data; } @@ -529,11 +534,18 @@ static void trim_trailing_spaces(char *buf) *last_space = '\0'; } -int add_excludes_from_file_to_list(const char *fname, - const char *base, - int baselen, - struct exclude_list *el, - int check_index) +/* + * Given a file with name "fname", read it (either from disk, or from + * the index if "check_index" is non-zero), parse it and store the + * exclude rules in "el". + * + * If "ss" is not NULL, compute SHA-1 of the exclude file and fill + * stat data from disk (only valid if add_excludes returns zero). If + * ss_valid is non-zero, "ss" must contain good value as input. + */ +static int add_excludes(const char *fname, const char *base, int baselen, + struct exclude_list *el, int check_index, + struct sha1_stat *sha1_stat) { struct stat st; int fd, i, lineno = 1; @@ -547,7 +559,7 @@ int add_excludes_from_file_to_list(const char *fname, if (0 <= fd) close(fd); if (!check_index || - (buf = read_skip_worktree_file_from_index(fname, &size)) == NULL) + (buf = read_skip_worktree_file_from_index(fname, &size, sha1_stat)) == NULL) return -1; if (size == 0) { free(buf); @@ -560,6 +572,11 @@ int add_excludes_from_file_to_list(const char *fname, } else { size = xsize_t(st.st_size); if (size == 0) { + if (sha1_stat) { + fill_stat_data(&sha1_stat->stat, &st); + hashcpy(sha1_stat->sha1, EMPTY_BLOB_SHA1_BIN); + sha1_stat->valid = 1; + } close(fd); return 0; } @@ -571,6 +588,22 @@ int add_excludes_from_file_to_list(const char *fname, } buf[size++] = '\n'; close(fd); + if (sha1_stat) { + int pos; + if (sha1_stat->valid && + !match_stat_data(&sha1_stat->stat, &st)) + ; /* no content change, ss->sha1 still good */ + else if (check_index && + (pos = cache_name_pos(fname, strlen(fname))) >= 0 && + !ce_stage(active_cache[pos]) && + ce_uptodate(active_cache[pos]) && + !would_convert_to_git(fname)) + hashcpy(sha1_stat->sha1, active_cache[pos]->sha1); + else + hash_sha1_file(buf, size, "blob", sha1_stat->sha1); + fill_stat_data(&sha1_stat->stat, &st); + sha1_stat->valid = 1; + } } el->filebuf = buf; @@ -589,6 +622,13 @@ int add_excludes_from_file_to_list(const char *fname, return 0; } +int add_excludes_from_file_to_list(const char *fname, const char *base, + int baselen, struct exclude_list *el, + int check_index) +{ + return add_excludes(fname, base, baselen, el, check_index, NULL); +} + struct exclude_list *add_exclude_list(struct dir_struct *dir, int group_type, const char *src) { @@ -73,6 +73,12 @@ struct exclude_list_group { struct exclude_list *el; }; +struct sha1_stat { + struct stat_data stat; + unsigned char sha1[20]; + int valid; +}; + struct dir_struct { int nr, alloc; int ignored_nr, ignored_alloc; |