#include "builtin.h" #include "pkt-line.h" #include "fetch-pack.h" #include "remote.h" #include "connect.h" #include "sha1-array.h" static const char fetch_pack_usage[] = "git fetch-pack [--all] [--stdin] [--quiet | -q] [--keep | -k] [--thin] " "[--include-tag] [--upload-pack=<git-upload-pack>] [--depth=<n>] " "[--no-progress] [--diag-url] [-v] [<host>:]<directory> [<refs>...]"; static void add_sought_entry_mem(struct ref ***sought, int *nr, int *alloc, const char *name, int namelen) { struct ref *ref = xcalloc(1, sizeof(*ref) + namelen + 1); unsigned char sha1[20]; if (namelen > 41 && name[40] == ' ' && !get_sha1_hex(name, sha1)) { hashcpy(ref->old_sha1, sha1); name += 41; namelen -= 41; } memcpy(ref->name, name, namelen); ref->name[namelen] = '\0'; (*nr)++; ALLOC_GROW(*sought, *nr, *alloc); (*sought)[*nr - 1] = ref; } static void add_sought_entry(struct ref ***sought, int *nr, int *alloc, const char *string) { add_sought_entry_mem(sought, nr, alloc, string, strlen(string)); } int cmd_fetch_pack(int argc, const char **argv, const char *prefix) { int i, ret; struct ref *ref = NULL; const char *dest = NULL; struct ref **sought = NULL; int nr_sought = 0, alloc_sought = 0; int fd[2]; char *pack_lockfile = NULL; char **pack_lockfile_ptr = NULL; struct child_process *conn; struct fetch_pack_args args; struct sha1_array shallow = SHA1_ARRAY_INIT; packet_trace_identity("fetch-pack"); memset(&args, 0, sizeof(args)); args.uploadpack = "git-upload-pack"; for (i = 1; i < argc && *argv[i] == '-'; i++) { const char *arg = argv[i]; if (starts_with(arg, "--upload-pack=")) { args.uploadpack = arg + 14; continue; } if (starts_with(arg, "--exec=")) { args.uploadpack = arg + 7; continue; } if (!strcmp("--quiet", arg) || !strcmp("-q", arg)) { args.quiet = 1; continue; } if (!strcmp("--keep", arg) || !strcmp("-k", arg)) { args.lock_pack = args.keep_pack; args.keep_pack = 1; continue; } if (!strcmp("--thin", arg)) { args.use_thin_pack = 1; continue; } if (!strcmp("--include-tag", arg)) { args.include_tag = 1; continue; } if (!strcmp("--all", arg)) { args.fetch_all = 1; continue; } if (!strcmp("--stdin", arg)) { args.stdin_refs = 1; continue; } if (!strcmp("--diag-url", arg)) { args.diag_url = 1; continue; } if (!strcmp("-v", arg)) { args.verbose = 1; continue; } if (starts_with(arg, "--depth=")) { args.depth = strtol(arg + 8, NULL, 0); continue; } if (!strcmp("--no-progress", arg)) { args.no_progress = 1; continue; } if (!strcmp("--stateless-rpc", arg)) { args.stateless_rpc = 1; continue; } if (!strcmp("--lock-pack", arg)) { args.lock_pack = 1; pack_lockfile_ptr = &pack_lockfile; continue; } if (!strcmp("--check-self-contained-and-connected", arg)) { args.check_self_contained_and_connected = 1; continue; } if (!strcmp("--cloning", arg)) { args.cloning = 1; continue; } if (!strcmp("--update-shallow", arg)) { args.update_shallow = 1; continue; } usage(fetch_pack_usage); } if (i < argc) dest = argv[i++]; else usage(fetch_pack_usage); /* * Copy refs from cmdline to growable list, then append any * refs from the standard input: */ for (; i < argc; i++) add_sought_entry(&sought, &nr_sought, &alloc_sought, argv[i]); if (args.stdin_refs) { if (args.stateless_rpc) { /* in stateless RPC mode we use pkt-line to read * from stdin, until we get a flush packet */ for (;;) { char *line = packet_read_line(0, NULL); if (!line) break; add_sought_entry(&sought, &nr_sought, &alloc_sought, line); } } else { /* read from stdin one ref per line, until EOF */ struct strbuf line = STRBUF_INIT; while (strbuf_getline(&line, stdin, '\n') != EOF) add_sought_entry(&sought, &nr_sought, &alloc_sought, line.buf); strbuf_release(&line); } } if (args.stateless_rpc) { conn = NULL; fd[0] = 0; fd[1] = 1; } else { int flags = args.verbose ? CONNECT_VERBOSE : 0; if (args.diag_url) flags |= CONNECT_DIAG_URL; conn = git_connect(fd, dest, args.uploadpack, flags); if (!conn) return args.diag_url ? 0 : 1; } get_remote_heads(fd[0], NULL, 0, &ref, 0, NULL, &shallow); ref = fetch_pack(&args, fd, conn, ref, dest, sought, nr_sought, &shallow, pack_lockfile_ptr); if (pack_lockfile) { printf("lock %s\n", pack_lockfile); fflush(stdout); } if (args.check_self_contained_and_connected && args.self_contained_and_connected) { printf("connectivity-ok\n"); fflush(stdout); } close(fd[0]); close(fd[1]); if (finish_connect(conn)) return 1; ret = !ref; /* * If the heads to pull were given, we should have consumed * all of them by matching the remote. Otherwise, 'git fetch * remote no-such-ref' would silently succeed without issuing * an error. */ for (i = 0; i < nr_sought; i++) { if (!sought[i] || sought[i]->matched) continue; error("no such remote ref %s", sought[i]->name); ret = 1; } while (ref) { printf("%s %s\n", sha1_to_hex(ref->old_sha1), ref->name); ref = ref->next; } return ret; }