diff options
Diffstat (limited to 'third_party/git/tag.c')
| -rw-r--r-- | third_party/git/tag.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/third_party/git/tag.c b/third_party/git/tag.c deleted file mode 100644 index 5db870edb9..0000000000 --- a/third_party/git/tag.c +++ /dev/null @@ -1,214 +0,0 @@ -#include "cache.h" -#include "tag.h" -#include "object-store.h" -#include "commit.h" -#include "tree.h" -#include "blob.h" -#include "alloc.h" -#include "gpg-interface.h" -#include "packfile.h" - -const char *tag_type = "tag"; - -static int run_gpg_verify(const char *buf, unsigned long size, unsigned flags) -{ - struct signature_check sigc; - size_t payload_size; - int ret; - - memset(&sigc, 0, sizeof(sigc)); - - payload_size = parse_signature(buf, size); - - if (size == payload_size) { - if (flags & GPG_VERIFY_VERBOSE) - write_in_full(1, buf, payload_size); - return error("no signature found"); - } - - ret = check_signature(buf, payload_size, buf + payload_size, - size - payload_size, &sigc); - - if (!(flags & GPG_VERIFY_OMIT_STATUS)) - print_signature_buffer(&sigc, flags); - - signature_check_clear(&sigc); - return ret; -} - -int gpg_verify_tag(const struct object_id *oid, const char *name_to_report, - unsigned flags) -{ - enum object_type type; - char *buf; - unsigned long size; - int ret; - - type = oid_object_info(the_repository, oid, NULL); - if (type != OBJ_TAG) - return error("%s: cannot verify a non-tag object of type %s.", - name_to_report ? - name_to_report : - find_unique_abbrev(oid, DEFAULT_ABBREV), - type_name(type)); - - buf = read_object_file(oid, &type, &size); - if (!buf) - return error("%s: unable to read file.", - name_to_report ? - name_to_report : - find_unique_abbrev(oid, DEFAULT_ABBREV)); - - ret = run_gpg_verify(buf, size, flags); - - free(buf); - return ret; -} - -struct object *deref_tag(struct repository *r, struct object *o, const char *warn, int warnlen) -{ - struct object_id *last_oid = NULL; - while (o && o->type == OBJ_TAG) - if (((struct tag *)o)->tagged) { - last_oid = &((struct tag *)o)->tagged->oid; - o = parse_object(r, last_oid); - } else { - last_oid = NULL; - o = NULL; - } - if (!o && warn) { - if (last_oid && is_promisor_object(last_oid)) - return NULL; - if (!warnlen) - warnlen = strlen(warn); - error("missing object referenced by '%.*s'", warnlen, warn); - } - return o; -} - -struct object *deref_tag_noverify(struct object *o) -{ - while (o && o->type == OBJ_TAG) { - o = parse_object(the_repository, &o->oid); - if (o && o->type == OBJ_TAG && ((struct tag *)o)->tagged) - o = ((struct tag *)o)->tagged; - else - o = NULL; - } - return o; -} - -struct tag *lookup_tag(struct repository *r, const struct object_id *oid) -{ - struct object *obj = lookup_object(r, oid); - if (!obj) - return create_object(r, oid, alloc_tag_node(r)); - return object_as_type(r, obj, OBJ_TAG, 0); -} - -static timestamp_t parse_tag_date(const char *buf, const char *tail) -{ - const char *dateptr; - - while (buf < tail && *buf++ != '>') - /* nada */; - if (buf >= tail) - return 0; - dateptr = buf; - while (buf < tail && *buf++ != '\n') - /* nada */; - if (buf >= tail) - return 0; - /* dateptr < buf && buf[-1] == '\n', so parsing will stop at buf-1 */ - return parse_timestamp(dateptr, NULL, 10); -} - -void release_tag_memory(struct tag *t) -{ - free(t->tag); - t->tagged = NULL; - t->object.parsed = 0; - t->date = 0; -} - -int parse_tag_buffer(struct repository *r, struct tag *item, const void *data, unsigned long size) -{ - struct object_id oid; - char type[20]; - const char *bufptr = data; - const char *tail = bufptr + size; - const char *nl; - - if (item->object.parsed) - return 0; - item->object.parsed = 1; - - if (size < the_hash_algo->hexsz + 24) - return -1; - if (memcmp("object ", bufptr, 7) || parse_oid_hex(bufptr + 7, &oid, &bufptr) || *bufptr++ != '\n') - return -1; - - if (!starts_with(bufptr, "type ")) - return -1; - bufptr += 5; - nl = memchr(bufptr, '\n', tail - bufptr); - if (!nl || sizeof(type) <= (nl - bufptr)) - return -1; - memcpy(type, bufptr, nl - bufptr); - type[nl - bufptr] = '\0'; - bufptr = nl + 1; - - if (!strcmp(type, blob_type)) { - item->tagged = (struct object *)lookup_blob(r, &oid); - } else if (!strcmp(type, tree_type)) { - item->tagged = (struct object *)lookup_tree(r, &oid); - } else if (!strcmp(type, commit_type)) { - item->tagged = (struct object *)lookup_commit(r, &oid); - } else if (!strcmp(type, tag_type)) { - item->tagged = (struct object *)lookup_tag(r, &oid); - } else { - error("Unknown type %s", type); - item->tagged = NULL; - } - - if (bufptr + 4 < tail && starts_with(bufptr, "tag ")) - ; /* good */ - else - return -1; - bufptr += 4; - nl = memchr(bufptr, '\n', tail - bufptr); - if (!nl) - return -1; - item->tag = xmemdupz(bufptr, nl - bufptr); - bufptr = nl + 1; - - if (bufptr + 7 < tail && starts_with(bufptr, "tagger ")) - item->date = parse_tag_date(bufptr, tail); - else - item->date = 0; - - return 0; -} - -int parse_tag(struct tag *item) -{ - enum object_type type; - void *data; - unsigned long size; - int ret; - - if (item->object.parsed) - return 0; - data = read_object_file(&item->object.oid, &type, &size); - if (!data) - return error("Could not read %s", - oid_to_hex(&item->object.oid)); - if (type != OBJ_TAG) { - free(data); - return error("Object %s not a tag", - oid_to_hex(&item->object.oid)); - } - ret = parse_tag_buffer(the_repository, item, data, size); - free(data); - return ret; -} |