diff options
Diffstat (limited to 'commit.c')
| -rw-r--r-- | commit.c | 61 |
1 files changed, 33 insertions, 28 deletions
@@ -55,12 +55,12 @@ struct commit *lookup_commit(const unsigned char *sha1) struct commit *lookup_commit_reference_by_name(const char *name) { - unsigned char sha1[20]; + struct object_id oid; struct commit *commit; - if (get_sha1_committish(name, sha1)) + if (get_sha1_committish(name, oid.hash)) return NULL; - commit = lookup_commit_reference(sha1); + commit = lookup_commit_reference(oid.hash); if (parse_commit(commit)) return NULL; return commit; @@ -99,7 +99,7 @@ static int commit_graft_alloc, commit_graft_nr; static const unsigned char *commit_graft_sha1_access(size_t index, void *table) { struct commit_graft **commit_graft_table = table; - return commit_graft_table[index]->sha1; + return commit_graft_table[index]->oid.hash; } static int commit_graft_pos(const unsigned char *sha1) @@ -110,7 +110,7 @@ static int commit_graft_pos(const unsigned char *sha1) int register_commit_graft(struct commit_graft *graft, int ignore_dups) { - int pos = commit_graft_pos(graft->sha1); + int pos = commit_graft_pos(graft->oid.hash); if (0 <= pos) { if (ignore_dups) @@ -138,22 +138,23 @@ struct commit_graft *read_graft_line(char *buf, int len) /* The format is just "Commit Parent1 Parent2 ...\n" */ int i; struct commit_graft *graft = NULL; + const int entry_size = GIT_SHA1_HEXSZ + 1; while (len && isspace(buf[len-1])) buf[--len] = '\0'; if (buf[0] == '#' || buf[0] == '\0') return NULL; - if ((len + 1) % 41) + if ((len + 1) % entry_size) goto bad_graft_data; - i = (len + 1) / 41 - 1; - graft = xmalloc(sizeof(*graft) + 20 * i); + i = (len + 1) / entry_size - 1; + graft = xmalloc(sizeof(*graft) + GIT_SHA1_RAWSZ * i); graft->nr_parent = i; - if (get_sha1_hex(buf, graft->sha1)) + if (get_oid_hex(buf, &graft->oid)) goto bad_graft_data; - for (i = 40; i < len; i += 41) { + for (i = GIT_SHA1_HEXSZ; i < len; i += entry_size) { if (buf[i] != ' ') goto bad_graft_data; - if (get_sha1_hex(buf + i + 1, graft->parent[i/41])) + if (get_sha1_hex(buf + i + 1, graft->parent[i/entry_size].hash)) goto bad_graft_data; } return graft; @@ -302,39 +303,42 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s { const char *tail = buffer; const char *bufptr = buffer; - unsigned char parent[20]; + struct object_id parent; struct commit_list **pptr; struct commit_graft *graft; + const int tree_entry_len = GIT_SHA1_HEXSZ + 5; + const int parent_entry_len = GIT_SHA1_HEXSZ + 7; if (item->object.parsed) return 0; item->object.parsed = 1; tail += size; - if (tail <= bufptr + 46 || memcmp(bufptr, "tree ", 5) || bufptr[45] != '\n') + if (tail <= bufptr + tree_entry_len + 1 || memcmp(bufptr, "tree ", 5) || + bufptr[tree_entry_len] != '\n') return error("bogus commit object %s", sha1_to_hex(item->object.sha1)); - if (get_sha1_hex(bufptr + 5, parent) < 0) + if (get_sha1_hex(bufptr + 5, parent.hash) < 0) return error("bad tree pointer in commit %s", sha1_to_hex(item->object.sha1)); - item->tree = lookup_tree(parent); - bufptr += 46; /* "tree " + "hex sha1" + "\n" */ + item->tree = lookup_tree(parent.hash); + bufptr += tree_entry_len + 1; /* "tree " + "hex sha1" + "\n" */ pptr = &item->parents; graft = lookup_commit_graft(item->object.sha1); - while (bufptr + 48 < tail && !memcmp(bufptr, "parent ", 7)) { + while (bufptr + parent_entry_len < tail && !memcmp(bufptr, "parent ", 7)) { struct commit *new_parent; - if (tail <= bufptr + 48 || - get_sha1_hex(bufptr + 7, parent) || - bufptr[47] != '\n') + if (tail <= bufptr + parent_entry_len + 1 || + get_sha1_hex(bufptr + 7, parent.hash) || + bufptr[parent_entry_len] != '\n') return error("bad parents in commit %s", sha1_to_hex(item->object.sha1)); - bufptr += 48; + bufptr += parent_entry_len + 1; /* * The clone is shallow if nr_parent < 0, and we must * not traverse its real parents even when we unhide them. */ if (graft && (graft->nr_parent < 0 || grafts_replace_parents)) continue; - new_parent = lookup_commit(parent); + new_parent = lookup_commit(parent.hash); if (new_parent) pptr = &commit_list_insert(new_parent, pptr)->next; } @@ -342,7 +346,7 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s int i; struct commit *new_parent; for (i = 0; i < graft->nr_parent; i++) { - new_parent = lookup_commit(graft->parent[i]); + new_parent = lookup_commit(graft->parent[i].hash); if (!new_parent) continue; pptr = &commit_list_insert(new_parent, pptr)->next; @@ -353,7 +357,7 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s return 0; } -int parse_commit(struct commit *item) +int parse_commit_gently(struct commit *item, int quiet_on_missing) { enum object_type type; void *buffer; @@ -366,7 +370,8 @@ int parse_commit(struct commit *item) return 0; buffer = read_sha1_file(item->object.sha1, &type, &size); if (!buffer) - return error("Could not read %s", + return quiet_on_missing ? -1 : + error("Could not read %s", sha1_to_hex(item->object.sha1)); if (type != OBJ_COMMIT) { free(buffer); @@ -1580,10 +1585,10 @@ struct commit *get_merge_parent(const char *name) { struct object *obj; struct commit *commit; - unsigned char sha1[20]; - if (get_sha1(name, sha1)) + struct object_id oid; + if (get_sha1(name, oid.hash)) return NULL; - obj = parse_object(sha1); + obj = parse_object(oid.hash); commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT); if (commit && !commit->util) { struct merge_remote_desc *desc; |