static int rebase_open_merge(git_rebase *rebase) { git_buf state_path = GIT_BUF_INIT, buf = GIT_BUF_INIT, cmt = GIT_BUF_INIT; git_oid id; git_rebase_operation *operation; size_t i, msgnum = 0, end; int error; if ((error = git_buf_puts(&state_path, rebase->state_path)) < 0) goto done; /* Read 'msgnum' if it exists (otherwise, let msgnum = 0) */ if ((error = rebase_readint(&msgnum, &buf, &state_path, MSGNUM_FILE)) < 0 && error != GIT_ENOTFOUND) goto done; if (msgnum) { rebase->started = 1; rebase->current = msgnum - 1; } /* Read 'end' */ if ((error = rebase_readint(&end, &buf, &state_path, END_FILE)) < 0) goto done; /* Read 'current' if it exists */ if ((error = rebase_readoid(&id, &buf, &state_path, CURRENT_FILE)) < 0 && error != GIT_ENOTFOUND) goto done; /* Read cmt.* */ git_array_init_to_size(rebase->operations, end); GITERR_CHECK_ARRAY(rebase->operations); for (i = 0; i < end; i++) { git_buf_clear(&cmt); if ((error = git_buf_printf(&cmt, "cmt.%" PRIuZ, (i+1))) < 0 || (error = rebase_readoid(&id, &buf, &state_path, cmt.ptr)) < 0) goto done; operation = rebase_operation_alloc(rebase, GIT_REBASE_OPERATION_PICK, &id, NULL); GITERR_CHECK_ALLOC(operation); } /* Read 'onto_name' */ if ((error = rebase_readfile(&buf, &state_path, ONTO_NAME_FILE)) < 0) goto done; rebase->onto_name = git_buf_detach(&buf); done: git_buf_free(&cmt); git_buf_free(&state_path); git_buf_free(&buf); return error; }
int git_commit__parse_raw(void *_commit, const char *data, size_t size) { git_commit *commit = _commit; const char *buffer_start = data, *buffer; const char *buffer_end = buffer_start + size; git_oid parent_id; size_t header_len; git_signature dummy_sig; buffer = buffer_start; /* Allocate for one, which will allow not to realloc 90% of the time */ git_array_init_to_size(commit->parent_ids, 1); GITERR_CHECK_ARRAY(commit->parent_ids); /* The tree is always the first field */ if (git_oid__parse(&commit->tree_id, &buffer, buffer_end, "tree ") < 0) goto bad_buffer; /* * TODO: commit grafts! */ while (git_oid__parse(&parent_id, &buffer, buffer_end, "parent ") == 0) { git_oid *new_id = git_array_alloc(commit->parent_ids); GITERR_CHECK_ALLOC(new_id); git_oid_cpy(new_id, &parent_id); } commit->author = git__malloc(sizeof(git_signature)); GITERR_CHECK_ALLOC(commit->author); if (git_signature__parse(commit->author, &buffer, buffer_end, "author ", '\n') < 0) return -1; /* Some tools create multiple author fields, ignore the extra ones */ while (!git__prefixncmp(buffer, buffer_end - buffer, "author ")) { if (git_signature__parse(&dummy_sig, &buffer, buffer_end, "author ", '\n') < 0) return -1; git__free(dummy_sig.name); git__free(dummy_sig.email); } /* Always parse the committer; we need the commit time */ commit->committer = git__malloc(sizeof(git_signature)); GITERR_CHECK_ALLOC(commit->committer); if (git_signature__parse(commit->committer, &buffer, buffer_end, "committer ", '\n') < 0) return -1; /* Parse add'l header entries */ while (buffer < buffer_end) { const char *eoln = buffer; if (buffer[-1] == '\n' && buffer[0] == '\n') break; while (eoln < buffer_end && *eoln != '\n') ++eoln; if (git__prefixncmp(buffer, buffer_end - buffer, "encoding ") == 0) { buffer += strlen("encoding "); commit->message_encoding = git__strndup(buffer, eoln - buffer); GITERR_CHECK_ALLOC(commit->message_encoding); } if (eoln < buffer_end && *eoln == '\n') ++eoln; buffer = eoln; } header_len = buffer - buffer_start; commit->raw_header = git__strndup(buffer_start, header_len); GITERR_CHECK_ALLOC(commit->raw_header); /* point "buffer" to data after header, +1 for the final LF */ buffer = buffer_start + header_len + 1; /* extract commit message */ if (buffer <= buffer_end) commit->raw_message = git__strndup(buffer, buffer_end - buffer); else commit->raw_message = git__strdup(""); GITERR_CHECK_ALLOC(commit->raw_message); return 0; bad_buffer: giterr_set(GITERR_OBJECT, "failed to parse bad commit object"); return -1; }