diff options
Diffstat (limited to 'sha1_name.c')
-rw-r--r-- | sha1_name.c | 82 |
1 files changed, 38 insertions, 44 deletions
diff --git a/sha1_name.c b/sha1_name.c index 15854e35ec..5b004f513b 100644 --- a/sha1_name.c +++ b/sha1_name.c @@ -432,7 +432,8 @@ static inline int upstream_mark(const char *string, int len) static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned lookup_flags); static int interpret_nth_prior_checkout(const char *name, int namelen, struct strbuf *buf); -static int get_sha1_basic(const char *str, int len, unsigned char *sha1) +static int get_sha1_basic(const char *str, int len, unsigned char *sha1, + unsigned int flags) { static const char *warn_msg = "refname '%.*s' is ambiguous."; static const char *object_name_msg = N_( @@ -451,9 +452,9 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) int at, reflog_len, nth_prior = 0; if (len == 40 && !get_sha1_hex(str, sha1)) { - if (warn_on_object_refname_ambiguity) { + if (warn_ambiguous_refs && warn_on_object_refname_ambiguity) { refs_found = dwim_ref(str, len, tmp_sha1, &real_ref); - if (refs_found > 0 && warn_ambiguous_refs) { + if (refs_found > 0) { warning(warn_msg, len, str); if (advice_object_name_warning) fprintf(stderr, "%s\n", _(object_name_msg)); @@ -511,7 +512,7 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) if (!refs_found) return -1; - if (warn_ambiguous_refs && + if (warn_ambiguous_refs && !(flags & GET_SHA1_QUIETLY) && (refs_found > 1 || !get_short_sha1(str, len, tmp_sha1, GET_SHA1_QUIETLY))) warning(warn_msg, len, str); @@ -540,13 +541,15 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) char *tmp = xstrndup(str + at + 2, reflog_len); at_time = approxidate_careful(tmp, &errors); free(tmp); - if (errors) + if (errors) { + free(real_ref); return -1; + } } - if (read_ref_at(real_ref, at_time, nth, sha1, NULL, + if (read_ref_at(real_ref, flags, at_time, nth, sha1, NULL, &co_time, &co_tz, &co_cnt)) { if (!len) { - if (!prefixcmp(real_ref, "refs/heads/")) { + if (starts_with(real_ref, "refs/heads/")) { str = real_ref + 11; len = strlen(real_ref + 11); } else { @@ -555,11 +558,16 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1) len = 4; } } - if (at_time) - warning("Log for '%.*s' only goes " - "back to %s.", len, str, - show_date(co_time, co_tz, DATE_RFC2822)); - else { + if (at_time) { + if (!(flags & GET_SHA1_QUIETLY)) { + warning("Log for '%.*s' only goes " + "back to %s.", len, str, + show_date(co_time, co_tz, DATE_RFC2822)); + } + } else { + if (flags & GET_SHA1_QUIETLY) { + exit(128); + } die("Log for '%.*s' only has %d entries.", len, str, co_cnt); } @@ -581,8 +589,6 @@ static int get_parent(const char *name, int len, if (ret) return ret; commit = lookup_commit_reference(sha1); - if (!commit) - return -1; if (parse_commit(commit)) return -1; if (!idx) { @@ -676,15 +682,15 @@ static int peel_onion(const char *name, int len, unsigned char *sha1) return -1; sp++; /* beginning of type name, or closing brace for empty */ - if (!prefixcmp(sp, "commit}")) + if (starts_with(sp, "commit}")) expected_type = OBJ_COMMIT; - else if (!prefixcmp(sp, "tag}")) + else if (starts_with(sp, "tag}")) expected_type = OBJ_TAG; - else if (!prefixcmp(sp, "tree}")) + else if (starts_with(sp, "tree}")) expected_type = OBJ_TREE; - else if (!prefixcmp(sp, "blob}")) + else if (starts_with(sp, "blob}")) expected_type = OBJ_BLOB; - else if (!prefixcmp(sp, "object}")) + else if (starts_with(sp, "object}")) expected_type = OBJ_ANY; else if (sp[0] == '}') expected_type = OBJ_NONE; @@ -801,7 +807,7 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned l if (!ret) return 0; - ret = get_sha1_basic(name, len, sha1); + ret = get_sha1_basic(name, len, sha1, lookup_flags); if (!ret) return 0; @@ -821,6 +827,8 @@ static int get_sha1_1(const char *name, int len, unsigned char *sha1, unsigned l * For future extension, ':/!' is reserved. If you want to match a message * beginning with a '!', you have to repeat the exclamation mark. */ + +/* Remember to update object flag allocation in object.h */ #define ONELINE_SEEN (1u<<20) static int handle_one_ref(const char *path, @@ -837,7 +845,7 @@ static int handle_one_ref(const char *path, } if (object->type != OBJ_COMMIT) return 0; - commit_list_insert_by_date((struct commit *)object, list); + commit_list_insert((struct commit *)object, list); return 0; } @@ -862,27 +870,17 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1, commit_list_insert(l->item, &backup); } while (list) { - char *p, *to_free = NULL; + const char *p, *buf; struct commit *commit; - enum object_type type; - unsigned long size; int matches; commit = pop_most_recent_commit(&list, ONELINE_SEEN); if (!parse_object(commit->object.sha1)) continue; - if (commit->buffer) - p = commit->buffer; - else { - p = read_sha1_file(commit->object.sha1, &type, &size); - if (!p) - continue; - to_free = p; - } - - p = strstr(p, "\n\n"); + buf = get_commit_buffer(commit, NULL); + p = strstr(buf, "\n\n"); matches = p && !regexec(®ex, p + 2, 0, NULL, 0); - free(to_free); + unuse_commit_buffer(commit, buf); if (matches) { hashcpy(sha1, commit->object.sha1); @@ -911,10 +909,8 @@ static int grab_nth_branch_switch(unsigned char *osha1, unsigned char *nsha1, const char *match = NULL, *target = NULL; size_t len; - if (!prefixcmp(message, "checkout: moving from ")) { - match = message + strlen("checkout: moving from "); + if (skip_prefix(message, "checkout: moving from ", &match)) target = strstr(match, " to "); - } if (!match || !target) return 0; @@ -958,7 +954,7 @@ static int interpret_nth_prior_checkout(const char *name, int namelen, retval = 0; if (0 < for_each_reflog_ent_reverse("HEAD", grab_nth_branch_switch, &cb)) { strbuf_reset(buf); - strbuf_add(buf, cb.buf.buf, cb.buf.len); + strbuf_addbuf(buf, &cb.buf); retval = brace - name + 1; } @@ -1252,10 +1248,7 @@ static void diagnose_invalid_sha1_path(const char *prefix, die("Path '%s' exists on disk, but not in '%.*s'.", filename, object_name_len, object_name); if (errno == ENOENT || errno == ENOTDIR) { - char *fullname = xmalloc(strlen(filename) - + strlen(prefix) + 1); - strcpy(fullname, prefix); - strcat(fullname, filename); + char *fullname = xstrfmt("%s%s", prefix, filename); if (!get_tree_entry(tree_sha1, fullname, sha1, &mode)) { @@ -1333,7 +1326,7 @@ static void diagnose_invalid_index_path(int stage, static char *resolve_relative_path(const char *rel) { - if (prefixcmp(rel, "./") && prefixcmp(rel, "../")) + if (!starts_with(rel, "./") && !starts_with(rel, "../")) return NULL; if (!startup_info) @@ -1379,6 +1372,7 @@ static int get_sha1_with_context_1(const char *name, if (!only_to_die && namelen > 2 && name[1] == '/') { struct commit_list *list = NULL; for_each_ref(handle_one_ref, &list); + commit_list_sort_by_date(&list); return get_sha1_oneline(name + 2, sha1, list); } if (namelen < 3 || |