diff options
Diffstat (limited to 'builtin-push.c')
-rw-r--r-- | builtin-push.c | 502 |
1 files changed, 144 insertions, 358 deletions
diff --git a/builtin-push.c b/builtin-push.c index cb78401c9..1d92e22f0 100644 --- a/builtin-push.c +++ b/builtin-push.c @@ -5,17 +5,18 @@ #include "refs.h" #include "run-command.h" #include "builtin.h" +#include "remote.h" +#include "transport.h" +#include "parse-options.h" -#define MAX_URI (16) - -static const char push_usage[] = "git-push [--all] [--tags] [--receive-pack=<git-receive-pack>] [--repo=all] [-f | --force] [-v] [<repository> <refspec>...]"; +static const char * const push_usage[] = { + "git push [--all | --mirror] [--dry-run] [--porcelain] [--tags] [--receive-pack=<git-receive-pack>] [--repo=<repository>] [-f | --force] [-v] [<repository> <refspec>...]", + NULL, +}; -static int all, tags, force, thin = 1, verbose; +static int thin; static const char *receivepack; -#define BUF_SIZE (2084) -static char buffer[BUF_SIZE]; - static const char **refspec; static int refspec_nr; @@ -27,333 +28,133 @@ static void add_refspec(const char *ref) refspec_nr = nr; } -static int expand_one_ref(const char *ref, const unsigned char *sha1, int flag, void *cb_data) -{ - /* Ignore the "refs/" at the beginning of the refname */ - ref += 5; - - if (!prefixcmp(ref, "tags/")) - add_refspec(xstrdup(ref)); - return 0; -} - -static void expand_refspecs(void) +static void set_refspecs(const char **refs, int nr) { - if (all) { - if (refspec_nr) - die("cannot mix '--all' and a refspec"); - - /* - * No need to expand "--all" - we'll just use - * the "--all" flag to send-pack - */ - return; + int i; + for (i = 0; i < nr; i++) { + const char *ref = refs[i]; + if (!strcmp("tag", ref)) { + char *tag; + int len; + if (nr <= ++i) + die("tag shorthand without <tag>"); + len = strlen(refs[i]) + 11; + tag = xmalloc(len); + strcpy(tag, "refs/tags/"); + strcat(tag, refs[i]); + ref = tag; + } + add_refspec(ref); } - if (!tags) - return; - for_each_ref(expand_one_ref, NULL); } -struct wildcard_cb { - const char *from_prefix; - int from_prefix_len; - const char *to_prefix; - int to_prefix_len; - int force; -}; - -static int expand_wildcard_ref(const char *ref, const unsigned char *sha1, int flag, void *cb_data) +static void setup_push_tracking(void) { - struct wildcard_cb *cb = cb_data; - int len = strlen(ref); - char *expanded, *newref; - - if (len < cb->from_prefix_len || - memcmp(cb->from_prefix, ref, cb->from_prefix_len)) - return 0; - expanded = xmalloc(len * 2 + cb->force + - (cb->to_prefix_len - cb->from_prefix_len) + 2); - newref = expanded + cb->force; - if (cb->force) - expanded[0] = '+'; - memcpy(newref, ref, len); - newref[len] = ':'; - memcpy(newref + len + 1, cb->to_prefix, cb->to_prefix_len); - strcpy(newref + len + 1 + cb->to_prefix_len, - ref + cb->from_prefix_len); - add_refspec(expanded); - return 0; + struct strbuf refspec = STRBUF_INIT; + struct branch *branch = branch_get(NULL); + if (!branch) + die("You are not currently on a branch."); + if (!branch->merge_nr) + die("The current branch %s is not tracking anything.", + branch->name); + if (branch->merge_nr != 1) + die("The current branch %s is tracking multiple branches, " + "refusing to push.", branch->name); + strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src); + add_refspec(refspec.buf); } -static int wildcard_ref(const char *ref) +static void setup_default_push_refspecs(void) { - int len; - const char *colon; - struct wildcard_cb cb; - - memset(&cb, 0, sizeof(cb)); - if (ref[0] == '+') { - cb.force = 1; - ref++; + git_config(git_default_config, NULL); + switch (push_default) { + default: + case PUSH_DEFAULT_MATCHING: + add_refspec(":"); + break; + + case PUSH_DEFAULT_TRACKING: + setup_push_tracking(); + break; + + case PUSH_DEFAULT_CURRENT: + add_refspec("HEAD"); + break; + + case PUSH_DEFAULT_NOTHING: + die("You didn't specify any refspecs to push, and " + "push.default is \"nothing\"."); + break; } - len = strlen(ref); - colon = strchr(ref, ':'); - if (! (colon && ref < colon && - colon[-2] == '/' && colon[-1] == '*' && - /* "<mine>/<asterisk>:<yours>/<asterisk>" is at least 7 bytes */ - 7 <= len && - ref[len-2] == '/' && ref[len-1] == '*') ) - return 0 ; - cb.from_prefix = ref; - cb.from_prefix_len = colon - ref - 1; - cb.to_prefix = colon + 1; - cb.to_prefix_len = len - (colon - ref) - 2; - for_each_ref(expand_wildcard_ref, &cb); - return 1; } -static void set_refspecs(const char **refs, int nr) +static int do_push(const char *repo, int flags) { - if (nr) { - int i; - for (i = 0; i < nr; i++) { - const char *ref = refs[i]; - if (!strcmp("tag", ref)) { - char *tag; - int len; - if (nr <= ++i) - die("tag shorthand without <tag>"); - len = strlen(refs[i]) + 11; - tag = xmalloc(len); - strcpy(tag, "refs/tags/"); - strcat(tag, refs[i]); - ref = tag; - } - else if (wildcard_ref(ref)) - continue; - add_refspec(ref); - } + int i, errs; + struct remote *remote = remote_get(repo); + const char **url; + int url_nr; + + if (!remote) { + if (repo) + die("bad repository '%s'", repo); + die("No destination configured to push to."); } - expand_refspecs(); -} - -static int get_remotes_uri(const char *repo, const char *uri[MAX_URI]) -{ - int n = 0; - FILE *f = fopen(git_path("remotes/%s", repo), "r"); - int has_explicit_refspec = refspec_nr || all || tags; - if (!f) - return -1; - while (fgets(buffer, BUF_SIZE, f)) { - int is_refspec; - char *s, *p; - - if (!prefixcmp(buffer, "URL:")) { - is_refspec = 0; - s = buffer + 4; - } else if (!prefixcmp(buffer, "Push:")) { - is_refspec = 1; - s = buffer + 5; - } else - continue; + if (remote->mirror) + flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE); - /* Remove whitespace at the head.. */ - while (isspace(*s)) - s++; - if (!*s) - continue; - - /* ..and at the end */ - p = s + strlen(s); - while (isspace(p[-1])) - *--p = 0; - - if (!is_refspec) { - if (n < MAX_URI) - uri[n++] = xstrdup(s); - else - error("more than %d URL's specified, ignoring the rest", MAX_URI); - } - else if (is_refspec && !has_explicit_refspec) { - if (!wildcard_ref(s)) - add_refspec(xstrdup(s)); - } + if ((flags & TRANSPORT_PUSH_ALL) && refspec) { + if (!strcmp(*refspec, "refs/tags/*")) + return error("--all and --tags are incompatible"); + return error("--all can't be combined with refspecs"); } - fclose(f); - if (!n) - die("remote '%s' has no URL", repo); - return n; -} - -static const char **config_uri; -static const char *config_repo; -static int config_repo_len; -static int config_current_uri; -static int config_get_refspecs; -static int config_get_receivepack; -static int get_remote_config(const char* key, const char* value) -{ - if (!prefixcmp(key, "remote.") && - !strncmp(key + 7, config_repo, config_repo_len)) { - if (!strcmp(key + 7 + config_repo_len, ".url")) { - if (config_current_uri < MAX_URI) - config_uri[config_current_uri++] = xstrdup(value); - else - error("more than %d URL's specified, ignoring the rest", MAX_URI); - } - else if (config_get_refspecs && - !strcmp(key + 7 + config_repo_len, ".push")) { - if (!wildcard_ref(value)) - add_refspec(xstrdup(value)); - } - else if (config_get_receivepack && - !strcmp(key + 7 + config_repo_len, ".receivepack")) { - if (!receivepack) { - char *rp = xmalloc(strlen(value) + 16); - sprintf(rp, "--receive-pack=%s", value); - receivepack = rp; - } else - error("more than one receivepack given, using the first"); - } + if ((flags & TRANSPORT_PUSH_MIRROR) && refspec) { + if (!strcmp(*refspec, "refs/tags/*")) + return error("--mirror and --tags are incompatible"); + return error("--mirror can't be combined with refspecs"); } - return 0; -} - -static int get_config_remotes_uri(const char *repo, const char *uri[MAX_URI]) -{ - config_repo_len = strlen(repo); - config_repo = repo; - config_current_uri = 0; - config_uri = uri; - config_get_refspecs = !(refspec_nr || all || tags); - config_get_receivepack = (receivepack == NULL); - - git_config(get_remote_config); - return config_current_uri; -} - -static int get_branches_uri(const char *repo, const char *uri[MAX_URI]) -{ - const char *slash = strchr(repo, '/'); - int n = slash ? slash - repo : 1000; - FILE *f = fopen(git_path("branches/%.*s", n, repo), "r"); - char *s, *p; - int len; - - if (!f) - return 0; - s = fgets(buffer, BUF_SIZE, f); - fclose(f); - if (!s) - return 0; - while (isspace(*s)) - s++; - if (!*s) - return 0; - p = s + strlen(s); - while (isspace(p[-1])) - *--p = 0; - len = p - s; - if (slash) - len += strlen(slash); - p = xmalloc(len + 1); - strcpy(p, s); - if (slash) - strcat(p, slash); - uri[0] = p; - return 1; -} -/* - * Read remotes and branches file, fill the push target URI - * list. If there is no command line refspecs, read Push: lines - * to set up the *refspec list as well. - * return the number of push target URIs - */ -static int read_config(const char *repo, const char *uri[MAX_URI]) -{ - int n; - - if (*repo != '/') { - n = get_remotes_uri(repo, uri); - if (n > 0) - return n; - - n = get_config_remotes_uri(repo, uri); - if (n > 0) - return n; - - n = get_branches_uri(repo, uri); - if (n > 0) - return n; + if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) == + (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) { + return error("--all and --mirror are incompatible"); } - uri[0] = repo; - return 1; -} - -static int do_push(const char *repo) -{ - const char *uri[MAX_URI]; - int i, n, errs; - int common_argc; - const char **argv; - int argc; - - n = read_config(repo, uri); - if (n <= 0) - die("bad repository '%s'", repo); - - argv = xmalloc((refspec_nr + 10) * sizeof(char *)); - argv[0] = "dummy-send-pack"; - argc = 1; - if (all) - argv[argc++] = "--all"; - if (force) - argv[argc++] = "--force"; - if (receivepack) - argv[argc++] = receivepack; - common_argc = argc; - + if (!refspec && !(flags & TRANSPORT_PUSH_ALL)) { + if (remote->push_refspec_nr) { + refspec = remote->push_refspec; + refspec_nr = remote->push_refspec_nr; + } else if (!(flags & TRANSPORT_PUSH_MIRROR)) + setup_default_push_refspecs(); + } errs = 0; - for (i = 0; i < n; i++) { + if (remote->pushurl_nr) { + url = remote->pushurl; + url_nr = remote->pushurl_nr; + } else { + url = remote->url; + url_nr = remote->url_nr; + } + for (i = 0; i < url_nr; i++) { + struct transport *transport = + transport_get(remote, url[i]); int err; - int dest_argc = common_argc; - int dest_refspec_nr = refspec_nr; - const char **dest_refspec = refspec; - const char *dest = uri[i]; - const char *sender = "send-pack"; - if (!prefixcmp(dest, "http://") || - !prefixcmp(dest, "https://")) - sender = "http-push"; - else if (thin) - argv[dest_argc++] = "--thin"; - argv[0] = sender; - argv[dest_argc++] = dest; - while (dest_refspec_nr--) - argv[dest_argc++] = *dest_refspec++; - argv[dest_argc] = NULL; - if (verbose) - fprintf(stderr, "Pushing to %s\n", dest); - err = run_command_v_opt(argv, RUN_GIT_CMD); + if (receivepack) + transport_set_option(transport, + TRANS_OPT_RECEIVEPACK, receivepack); + if (thin) + transport_set_option(transport, TRANS_OPT_THIN, "yes"); + + if (flags & TRANSPORT_PUSH_VERBOSE) + fprintf(stderr, "Pushing to %s\n", url[i]); + err = transport_push(transport, refspec_nr, refspec, flags); + err |= transport_disconnect(transport); + if (!err) continue; - error("failed to push to '%s'", uri[i]); - switch (err) { - case -ERR_RUN_COMMAND_FORK: - error("unable to fork for %s", sender); - case -ERR_RUN_COMMAND_EXEC: - error("unable to exec %s", sender); - break; - case -ERR_RUN_COMMAND_WAITPID: - case -ERR_RUN_COMMAND_WAITPID_WRONG_PID: - case -ERR_RUN_COMMAND_WAITPID_SIGNAL: - case -ERR_RUN_COMMAND_WAITPID_NOEXIT: - error("%s died with strange error", sender); - } + error("failed to push some refs to '%s'", url[i]); errs++; } return !!errs; @@ -361,55 +162,40 @@ static int do_push(const char *repo) int cmd_push(int argc, const char **argv, const char *prefix) { - int i; - const char *repo = "origin"; /* default repository */ - - for (i = 1; i < argc; i++) { - const char *arg = argv[i]; - - if (arg[0] != '-') { - repo = arg; - i++; - break; - } - if (!strcmp(arg, "-v")) { - verbose=1; - continue; - } - if (!prefixcmp(arg, "--repo=")) { - repo = arg+7; - continue; - } - if (!strcmp(arg, "--all")) { - all = 1; - continue; - } - if (!strcmp(arg, "--tags")) { - tags = 1; - continue; - } - if (!strcmp(arg, "--force") || !strcmp(arg, "-f")) { - force = 1; - continue; - } - if (!strcmp(arg, "--thin")) { - thin = 1; - continue; - } - if (!strcmp(arg, "--no-thin")) { - thin = 0; - continue; - } - if (!prefixcmp(arg, "--receive-pack=")) { - receivepack = arg; - continue; - } - if (!prefixcmp(arg, "--exec=")) { - receivepack = arg; - continue; - } - usage(push_usage); + int flags = 0; + int tags = 0; + int rc; + const char *repo = NULL; /* default repository */ + + struct option options[] = { + OPT_BIT('v', "verbose", &flags, "be verbose", TRANSPORT_PUSH_VERBOSE), + OPT_STRING( 0 , "repo", &repo, "repository", "repository"), + OPT_BIT( 0 , "all", &flags, "push all refs", TRANSPORT_PUSH_ALL), + OPT_BIT( 0 , "mirror", &flags, "mirror all refs", + (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE)), + OPT_BOOLEAN( 0 , "tags", &tags, "push tags"), + OPT_BIT( 0 , "dry-run", &flags, "dry run", TRANSPORT_PUSH_DRY_RUN), + OPT_BIT( 0, "porcelain", &flags, "machine-readable output", TRANSPORT_PUSH_PORCELAIN), + OPT_BIT('f', "force", &flags, "force updates", TRANSPORT_PUSH_FORCE), + OPT_BOOLEAN( 0 , "thin", &thin, "use thin pack"), + OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", "receive pack program"), + OPT_STRING( 0 , "exec", &receivepack, "receive-pack", "receive pack program"), + OPT_END() + }; + + argc = parse_options(argc, argv, prefix, options, push_usage, 0); + + if (tags) + add_refspec("refs/tags/*"); + + if (argc > 0) { + repo = argv[0]; + set_refspecs(argv + 1, argc - 1); } - set_refspecs(argv + i, argc - i); - return do_push(repo); + + rc = do_push(repo, flags); + if (rc == -1) + usage_with_options(push_usage, options); + else + return rc; } |