diff options
Diffstat (limited to 'builtin/update-index.c')
-rw-r--r-- | builtin/update-index.c | 167 |
1 files changed, 83 insertions, 84 deletions
diff --git a/builtin/update-index.c b/builtin/update-index.c index 984fe37..ebfc09f 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c @@ -259,7 +259,7 @@ static int process_lstat_error(const char *path, int err) { if (err == ENOENT || err == ENOTDIR) return remove_one_path(path); - return error("lstat(\"%s\"): %s", path, strerror(errno)); + return error("lstat(\"%s\"): %s", path, strerror(err)); } static int add_one_path(const struct cache_entry *old, const char *path, int len, struct stat *st) @@ -279,7 +279,7 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len fill_stat_cache_info(ce, st); ce->ce_mode = ce_mode_from_stat(old, st->st_mode); - if (index_path(ce->sha1, path, st, + if (index_path(ce->oid.hash, path, st, info_only ? 0 : HASH_WRITE_OBJECT)) { free(ce); return -1; @@ -316,7 +316,7 @@ static int add_one_path(const struct cache_entry *old, const char *path, int len */ static int process_directory(const char *path, int len, struct stat *st) { - unsigned char sha1[20]; + struct object_id oid; int pos = cache_name_pos(path, len); /* Exact match: file or existing gitlink */ @@ -325,7 +325,7 @@ static int process_directory(const char *path, int len, struct stat *st) if (S_ISGITLINK(ce->ce_mode)) { /* Do nothing to the index if there is no HEAD! */ - if (resolve_gitlink_ref(path, "HEAD", sha1) < 0) + if (resolve_gitlink_ref(path, "HEAD", oid.hash) < 0) return 0; return add_one_path(ce, path, len, st); @@ -351,7 +351,7 @@ static int process_directory(const char *path, int len, struct stat *st) } /* No match - should we add it as a gitlink? */ - if (!resolve_gitlink_ref(path, "HEAD", sha1)) + if (!resolve_gitlink_ref(path, "HEAD", oid.hash)) return add_one_path(NULL, path, len, st); /* Error out. */ @@ -394,7 +394,7 @@ static int process_path(const char *path) return add_one_path(ce, path, len, &st); } -static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, +static int add_cacheinfo(unsigned int mode, const struct object_id *oid, const char *path, int stage) { int size, len, option; @@ -407,7 +407,7 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, size = cache_entry_size(len); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + oidcpy(&ce->oid, oid); memcpy(ce->name, path, len); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = len; @@ -423,30 +423,18 @@ static int add_cacheinfo(unsigned int mode, const unsigned char *sha1, return 0; } -static void chmod_path(int flip, const char *path) +static void chmod_path(char flip, const char *path) { int pos; struct cache_entry *ce; - unsigned int mode; pos = cache_name_pos(path, strlen(path)); if (pos < 0) goto fail; ce = active_cache[pos]; - mode = ce->ce_mode; - if (!S_ISREG(mode)) - goto fail; - switch (flip) { - case '+': - ce->ce_mode |= 0111; break; - case '-': - ce->ce_mode &= ~0111; break; - default: + if (chmod_cache_entry(ce, flip) < 0) goto fail; - } - cache_tree_invalidate_path(&the_index, path); - ce->ce_flags |= CE_UPDATE_IN_BASE; - active_cache_changed |= CE_ENTRY_CHANGED; + report("chmod %cx '%s'", flip, path); return; fail: @@ -481,15 +469,17 @@ static void update_one(const char *path) report("add '%s'", path); } -static void read_index_info(int line_termination) +static void read_index_info(int nul_term_line) { struct strbuf buf = STRBUF_INIT; struct strbuf uq = STRBUF_INIT; + strbuf_getline_fn getline_fn; - while (strbuf_getline(&buf, stdin, line_termination) != EOF) { + getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; + while (getline_fn(&buf, stdin) != EOF) { char *ptr, *tab; char *path_name; - unsigned char sha1[20]; + struct object_id oid; unsigned int mode; unsigned long ul; int stage; @@ -518,7 +508,7 @@ static void read_index_info(int line_termination) mode = ul; tab = strchr(ptr, '\t'); - if (!tab || tab - ptr < 41) + if (!tab || tab - ptr < GIT_SHA1_HEXSZ + 1) goto bad_line; if (tab[-2] == ' ' && '0' <= tab[-1] && tab[-1] <= '3') { @@ -531,11 +521,12 @@ static void read_index_info(int line_termination) ptr = tab + 1; /* point at the head of path */ } - if (get_sha1_hex(tab - 40, sha1) || tab[-41] != ' ') + if (get_oid_hex(tab - GIT_SHA1_HEXSZ, &oid) || + tab[-(GIT_SHA1_HEXSZ + 1)] != ' ') goto bad_line; path_name = ptr; - if (line_termination && path_name[0] == '"') { + if (!nul_term_line && path_name[0] == '"') { strbuf_reset(&uq); if (unquote_c_style(&uq, path_name, NULL)) { die("git update-index: bad quoting of path name"); @@ -559,8 +550,8 @@ static void read_index_info(int line_termination) * ptr[-1] points at tab, * ptr[-41] is at the beginning of sha1 */ - ptr[-42] = ptr[-1] = 0; - if (add_cacheinfo(mode, sha1, path_name, stage)) + ptr[-(GIT_SHA1_HEXSZ + 2)] = ptr[-1] = 0; + if (add_cacheinfo(mode, &oid, path_name, stage)) die("git update-index: unable to update %s", path_name); } @@ -578,19 +569,19 @@ static const char * const update_index_usage[] = { NULL }; -static unsigned char head_sha1[20]; -static unsigned char merge_head_sha1[20]; +static struct object_id head_oid; +static struct object_id merge_head_oid; static struct cache_entry *read_one_ent(const char *which, - unsigned char *ent, const char *path, + struct object_id *ent, const char *path, int namelen, int stage) { unsigned mode; - unsigned char sha1[20]; + struct object_id oid; int size; struct cache_entry *ce; - if (get_tree_entry(ent, path, sha1, &mode)) { + if (get_tree_entry(ent->hash, path, oid.hash, &mode)) { if (which) error("%s: not in %s branch.", path, which); return NULL; @@ -603,7 +594,7 @@ static struct cache_entry *read_one_ent(const char *which, size = cache_entry_size(namelen); ce = xcalloc(1, size); - hashcpy(ce->sha1, sha1); + oidcpy(&ce->oid, &oid); memcpy(ce->name, path, namelen); ce->ce_flags = create_ce_flags(stage); ce->ce_namelen = namelen; @@ -653,14 +644,14 @@ static int unresolve_one(const char *path) * stuff HEAD version in stage #2, * stuff MERGE_HEAD version in stage #3. */ - ce_2 = read_one_ent("our", head_sha1, path, namelen, 2); - ce_3 = read_one_ent("their", merge_head_sha1, path, namelen, 3); + ce_2 = read_one_ent("our", &head_oid, path, namelen, 2); + ce_3 = read_one_ent("their", &merge_head_oid, path, namelen, 3); if (!ce_2 || !ce_3) { ret = -1; goto free_return; } - if (!hashcmp(ce_2->sha1, ce_3->sha1) && + if (!oidcmp(&ce_2->oid, &ce_3->oid) && ce_2->ce_mode == ce_3->ce_mode) { fprintf(stderr, "%s: identical in both, skipping.\n", path); @@ -685,9 +676,9 @@ static int unresolve_one(const char *path) static void read_head_pointers(void) { - if (read_ref("HEAD", head_sha1)) + if (read_ref("HEAD", head_oid.hash)) die("No HEAD -- no initial commit yet?"); - if (read_ref("MERGE_HEAD", merge_head_sha1)) { + if (read_ref("MERGE_HEAD", merge_head_oid.hash)) { fprintf(stderr, "Not in the middle of a merge.\n"); exit(0); } @@ -727,7 +718,7 @@ static int do_reupdate(int ac, const char **av, PATHSPEC_PREFER_CWD, prefix, av + 1); - if (read_ref("HEAD", head_sha1)) + if (read_ref("HEAD", head_oid.hash)) /* If there is no HEAD, that means it is an initial * commit. Update everything in the index. */ @@ -742,10 +733,10 @@ static int do_reupdate(int ac, const char **av, if (ce_stage(ce) || !ce_path_match(ce, &pathspec, NULL)) continue; if (has_head) - old = read_one_ent(NULL, head_sha1, + old = read_one_ent(NULL, &head_oid, ce->name, ce_namelen(ce), 0); if (old && ce->ce_mode == old->ce_mode && - !hashcmp(ce->sha1, old->sha1)) { + !oidcmp(&ce->oid, &old->oid)) { free(old); continue; /* unchanged */ } @@ -761,7 +752,7 @@ static int do_reupdate(int ac, const char **av, if (save_nr != active_nr) goto redo; } - free_pathspec(&pathspec); + clear_pathspec(&pathspec); return 0; } @@ -809,7 +800,7 @@ static int resolve_undo_clear_callback(const struct option *opt, static int parse_new_style_cacheinfo(const char *arg, unsigned int *mode, - unsigned char sha1[], + struct object_id *oid, const char **path) { unsigned long ul; @@ -824,21 +815,21 @@ static int parse_new_style_cacheinfo(const char *arg, return -1; /* not a new-style cacheinfo */ *mode = ul; endp++; - if (get_sha1_hex(endp, sha1) || endp[40] != ',') + if (get_oid_hex(endp, oid) || endp[GIT_SHA1_HEXSZ] != ',') return -1; - *path = endp + 41; + *path = endp + GIT_SHA1_HEXSZ + 1; return 0; } static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, const struct option *opt, int unset) { - unsigned char sha1[20]; + struct object_id oid; unsigned int mode; const char *path; - if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, sha1, &path)) { - if (add_cacheinfo(mode, sha1, path, 0)) + if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) { + if (add_cacheinfo(mode, &oid, path, 0)) die("git update-index: --cacheinfo cannot add %s", path); ctx->argv++; ctx->argc--; @@ -847,8 +838,8 @@ static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, if (ctx->argc <= 3) return error("option 'cacheinfo' expects <mode>,<sha1>,<path>"); if (strtoul_ui(*++ctx->argv, 8, &mode) || - get_sha1_hex(*++ctx->argv, sha1) || - add_cacheinfo(mode, sha1, *++ctx->argv, 0)) + get_oid_hex(*++ctx->argv, &oid) || + add_cacheinfo(mode, &oid, *++ctx->argv, 0)) die("git update-index: --cacheinfo cannot add %s", *ctx->argv); ctx->argc -= 3; return 0; @@ -857,12 +848,12 @@ static int cacheinfo_callback(struct parse_opt_ctx_t *ctx, static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx, const struct option *opt, int unset) { - int *line_termination = opt->value; + int *nul_term_line = opt->value; if (ctx->argc != 1) return error("option '%s' must be the last argument", opt->long_name); allow_add = allow_replace = allow_remove = 1; - read_index_info(*line_termination); + read_index_info(*nul_term_line); return 0; } @@ -914,7 +905,7 @@ static int reupdate_callback(struct parse_opt_ctx_t *ctx, int cmd_update_index(int argc, const char **argv, const char *prefix) { - int newfd, entries, has_errors = 0, line_termination = '\n'; + int newfd, entries, has_errors = 0, nul_term_line = 0; enum uc_mode untracked_cache = UC_UNSPECIFIED; int read_from_stdin = 0; int prefix_length = prefix ? strlen(prefix) : 0; @@ -925,6 +916,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) int split_index = -1; struct lock_file *lock_file; struct parse_opt_ctx_t ctx; + strbuf_getline_fn getline_fn; int parseopt_state = PARSE_OPT_UNKNOWN; struct option options[] = { OPT_BIT('q', NULL, &refresh_args.flags, @@ -976,13 +968,13 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) N_("add to index only; do not add content to object database"), 1), OPT_SET_INT(0, "force-remove", &force_remove, N_("remove named paths even if present in worktree"), 1), - OPT_SET_INT('z', NULL, &line_termination, - N_("with --stdin: input lines are terminated by null bytes"), '\0'), + OPT_BOOL('z', NULL, &nul_term_line, + N_("with --stdin: input lines are terminated by null bytes")), {OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL, N_("read list of paths to be updated from standard input"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_callback}, - {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL, + {OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL, N_("add entries from standard input to the index"), PARSE_OPT_NONEG | PARSE_OPT_NOARG, (parse_opt_cb *) stdin_cacheinfo_callback}, @@ -1024,6 +1016,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) /* 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); if (newfd < 0) lock_error = errno; @@ -1072,6 +1065,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) } } argc = parse_options_end(&ctx); + + getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf; if (preferred_index_format) { if (preferred_index_format < INDEX_FORMAT_LB || INDEX_FORMAT_UB < preferred_index_format) @@ -1085,16 +1080,17 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) } if (read_from_stdin) { - struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT; + struct strbuf buf = STRBUF_INIT; + struct strbuf unquoted = STRBUF_INIT; setup_work_tree(); - while (strbuf_getline(&buf, stdin, line_termination) != EOF) { + while (getline_fn(&buf, stdin) != EOF) { char *p; - if (line_termination && buf.buf[0] == '"') { - strbuf_reset(&nbuf); - if (unquote_c_style(&nbuf, buf.buf, NULL)) + if (!nul_term_line && buf.buf[0] == '"') { + strbuf_reset(&unquoted); + if (unquote_c_style(&unquoted, buf.buf, NULL)) die("line is badly quoted"); - strbuf_swap(&buf, &nbuf); + strbuf_swap(&buf, &unquoted); } p = prefix_path(prefix, prefix_length, buf.buf); update_one(p); @@ -1102,22 +1098,25 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) chmod_path(set_executable_bit, p); free(p); } - strbuf_release(&nbuf); + strbuf_release(&unquoted); strbuf_release(&buf); } if (split_index > 0) { - init_split_index(&the_index); - the_index.cache_changed |= SPLIT_INDEX_ORDERED; - } else if (!split_index && the_index.split_index) { - /* - * can't discard_split_index(&the_index); because that - * will destroy split_index->base->cache[], which may - * be shared with the_index.cache[]. So yeah we're - * leaking a bit here. - */ - the_index.split_index = NULL; - the_index.cache_changed |= SOMETHING_CHANGED; + if (git_config_get_split_index() == 0) + warning(_("core.splitIndex is set to false; " + "remove or change it, if you really want to " + "enable split index")); + if (the_index.split_index) + the_index.cache_changed |= SPLIT_INDEX_ORDERED; + else + add_split_index(&the_index); + } else if (!split_index) { + if (git_config_get_split_index() == 1) + warning(_("core.splitIndex is set to true; " + "remove or change it, if you really want to " + "disable split index")); + remove_split_index(&the_index); } switch (untracked_cache) { @@ -1125,9 +1124,9 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) break; case UC_DISABLE: if (git_config_get_untracked_cache() == 1) - warning("core.untrackedCache is set to true; " - "remove or change it, if you really want to " - "disable the untracked cache"); + warning(_("core.untrackedCache is set to true; " + "remove or change it, if you really want to " + "disable the untracked cache")); remove_untracked_cache(&the_index); report(_("Untracked cache disabled")); break; @@ -1137,14 +1136,14 @@ int cmd_update_index(int argc, const char **argv, const char *prefix) case UC_ENABLE: case UC_FORCE: if (git_config_get_untracked_cache() == 0) - warning("core.untrackedCache is set to false; " - "remove or change it, if you really want to " - "enable the untracked cache"); + warning(_("core.untrackedCache is set to false; " + "remove or change it, if you really want to " + "enable the untracked cache")); add_untracked_cache(&the_index); report(_("Untracked cache enabled for '%s'"), get_git_work_tree()); break; default: - die("Bug: bad untracked_cache value: %d", untracked_cache); + die("BUG: bad untracked_cache value: %d", untracked_cache); } if (active_cache_changed) { |