int git_commit_create( git_oid *oid, git_repository *repo, const char *update_ref, const git_signature *author, const git_signature *committer, const char *message_encoding, const char *message, const git_tree *tree, int parent_count, const git_commit *parents[]) { git_buf commit = GIT_BUF_INIT; int i; git_odb *odb; assert(git_object_owner((const git_object *)tree) == repo); git_oid__writebuf(&commit, "tree ", git_object_id((const git_object *)tree)); for (i = 0; i < parent_count; ++i) { assert(git_object_owner((const git_object *)parents[i]) == repo); git_oid__writebuf(&commit, "parent ", git_object_id((const git_object *)parents[i])); } git_signature__writebuf(&commit, "author ", author); git_signature__writebuf(&commit, "committer ", committer); if (message_encoding != NULL) git_buf_printf(&commit, "encoding %s\n", message_encoding); git_buf_putc(&commit, '\n'); if (git_buf_puts(&commit, message) < 0) goto on_error; if (git_repository_odb__weakptr(&odb, repo) < 0) goto on_error; if (git_odb_write(oid, odb, commit.ptr, commit.size, GIT_OBJ_COMMIT) < 0) goto on_error; git_buf_free(&commit); if (update_ref != NULL) return git_reference__update(repo, oid, update_ref); return 0; on_error: git_buf_free(&commit); giterr_set(GITERR_OBJECT, "Failed to create commit."); return -1; }
int git_reset( git_repository *repo, const git_object *target, git_reset_type reset_type) { git_otype target_type = GIT_OBJ_BAD; git_object *commit = NULL; git_index *index = NULL; git_tree *tree = NULL; int error = -1; assert(repo && target); assert(reset_type == GIT_RESET_SOFT || reset_type == GIT_RESET_MIXED); if (git_object_owner(target) != repo) return reset_error_invalid("The given target does not belong to this repository."); if (reset_type == GIT_RESET_MIXED && git_repository_is_bare(repo)) return reset_error_invalid("Mixed reset is not allowed in a bare repository."); target_type = git_object_type(target); switch (target_type) { case GIT_OBJ_TAG: if (git_tag_peel(&commit, (git_tag *)target) < 0) goto cleanup; if (git_object_type(commit) != GIT_OBJ_COMMIT) { reset_error_invalid("The given target does not resolve to a commit."); goto cleanup; } break; case GIT_OBJ_COMMIT: commit = (git_object *)target; break; default: return reset_error_invalid("Only git_tag and git_commit objects are valid targets."); } //TODO: Check for unmerged entries if (git_reference__update(repo, git_object_id(commit), GIT_HEAD_FILE) < 0) goto cleanup; if (reset_type == GIT_RESET_SOFT) { error = 0; goto cleanup; } if (git_commit_tree(&tree, (git_commit *)commit) < 0) { giterr_set(GITERR_OBJECT, "%s - Failed to retrieve the commit tree.", ERROR_MSG); goto cleanup; } if (git_repository_index(&index, repo) < 0) { giterr_set(GITERR_OBJECT, "%s - Failed to retrieve the index.", ERROR_MSG); goto cleanup; } if (git_index_read_tree(index, tree) < 0) { giterr_set(GITERR_INDEX, "%s - Failed to update the index.", ERROR_MSG); goto cleanup; } if (git_index_write(index) < 0) { giterr_set(GITERR_INDEX, "%s - Failed to write the index.", ERROR_MSG); goto cleanup; } error = 0; cleanup: if (target_type == GIT_OBJ_TAG) git_object_free(commit); git_index_free(index); git_tree_free(tree); return error; }