| #include "cache.h" |
| #include "run-command.h" |
| #include "sigchain.h" |
| #include "connected.h" |
| #include "transport.h" |
| |
| int check_everything_connected(sha1_iterate_fn fn, int quiet, void *cb_data) |
| { |
| return check_everything_connected_with_transport(fn, quiet, cb_data, NULL); |
| } |
| /* |
| * If we feed all the commits we want to verify to this command |
| * |
| * $ git rev-list --objects --stdin --not --all |
| * |
| * and if it does not error out, that means everything reachable from |
| * these commits locally exists and is connected to our existing refs. |
| * Note that this does _not_ validate the individual objects. |
| * |
| * Returns 0 if everything is connected, non-zero otherwise. |
| */ |
| static int check_everything_connected_real(sha1_iterate_fn fn, |
| int quiet, |
| void *cb_data, |
| struct transport *transport, |
| const char *shallow_file) |
| { |
| struct child_process rev_list; |
| const char *argv[9]; |
| char commit[41]; |
| unsigned char sha1[20]; |
| int err = 0, ac = 0; |
| struct packed_git *new_pack = NULL; |
| size_t base_len; |
| |
| if (fn(cb_data, sha1)) |
| return err; |
| |
| if (transport && transport->smart_options && |
| transport->smart_options->self_contained_and_connected && |
| transport->pack_lockfile && |
| strip_suffix(transport->pack_lockfile, ".keep", &base_len)) { |
| struct strbuf idx_file = STRBUF_INIT; |
| strbuf_add(&idx_file, transport->pack_lockfile, base_len); |
| strbuf_addstr(&idx_file, ".idx"); |
| new_pack = add_packed_git(idx_file.buf, idx_file.len, 1); |
| strbuf_release(&idx_file); |
| } |
| |
| if (shallow_file) { |
| argv[ac++] = "--shallow-file"; |
| argv[ac++] = shallow_file; |
| } |
| argv[ac++] = "rev-list"; |
| argv[ac++] = "--objects"; |
| argv[ac++] = "--stdin"; |
| argv[ac++] = "--not"; |
| argv[ac++] = "--all"; |
| if (quiet) |
| argv[ac++] = "--quiet"; |
| argv[ac] = NULL; |
| |
| memset(&rev_list, 0, sizeof(rev_list)); |
| rev_list.argv = argv; |
| rev_list.git_cmd = 1; |
| rev_list.in = -1; |
| rev_list.no_stdout = 1; |
| rev_list.no_stderr = quiet; |
| if (start_command(&rev_list)) |
| return error(_("Could not run 'git rev-list'")); |
| |
| sigchain_push(SIGPIPE, SIG_IGN); |
| |
| commit[40] = '\n'; |
| do { |
| /* |
| * If index-pack already checked that: |
| * - there are no dangling pointers in the new pack |
| * - the pack is self contained |
| * Then if the updated ref is in the new pack, then we |
| * are sure the ref is good and not sending it to |
| * rev-list for verification. |
| */ |
| if (new_pack && find_pack_entry_one(sha1, new_pack)) |
| continue; |
| |
| memcpy(commit, sha1_to_hex(sha1), 40); |
| if (write_in_full(rev_list.in, commit, 41) < 0) { |
| if (errno != EPIPE && errno != EINVAL) |
| error(_("failed write to rev-list: %s"), |
| strerror(errno)); |
| err = -1; |
| break; |
| } |
| } while (!fn(cb_data, sha1)); |
| |
| if (close(rev_list.in)) { |
| error(_("failed to close rev-list's stdin: %s"), strerror(errno)); |
| err = -1; |
| } |
| |
| sigchain_pop(SIGPIPE); |
| return finish_command(&rev_list) || err; |
| } |
| |
| int check_everything_connected_with_transport(sha1_iterate_fn fn, |
| int quiet, |
| void *cb_data, |
| struct transport *transport) |
| { |
| return check_everything_connected_real(fn, quiet, cb_data, |
| transport, NULL); |
| } |
| |
| int check_shallow_connected(sha1_iterate_fn fn, int quiet, void *cb_data, |
| const char *shallow_file) |
| { |
| return check_everything_connected_real(fn, quiet, cb_data, |
| NULL, shallow_file); |
| } |