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-rw-r--r--builtin/push.c270
1 files changed, 270 insertions, 0 deletions
diff --git a/builtin/push.c b/builtin/push.c
new file mode 100644
index 0000000000..9cebf9ea23
--- /dev/null
+++ b/builtin/push.c
@@ -0,0 +1,270 @@
+/*
+ * "git push"
+ */
+#include "cache.h"
+#include "refs.h"
+#include "run-command.h"
+#include "builtin.h"
+#include "remote.h"
+#include "transport.h"
+#include "parse-options.h"
+
+static const char * const push_usage[] = {
+ "git push [<options>] [<repository> [<refspec>...]]",
+ NULL,
+};
+
+static int thin;
+static int deleterefs;
+static const char *receivepack;
+static int verbosity;
+static int progress;
+
+static const char **refspec;
+static int refspec_nr;
+static int refspec_alloc;
+
+static void add_refspec(const char *ref)
+{
+ refspec_nr++;
+ ALLOC_GROW(refspec, refspec_nr, refspec_alloc);
+ refspec[refspec_nr-1] = ref;
+}
+
+static void set_refspecs(const char **refs, int 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;
+ if (deleterefs) {
+ tag = xmalloc(len+1);
+ strcpy(tag, ":refs/tags/");
+ } else {
+ tag = xmalloc(len);
+ strcpy(tag, "refs/tags/");
+ }
+ strcat(tag, refs[i]);
+ ref = tag;
+ } else if (deleterefs && !strchr(ref, ':')) {
+ char *delref;
+ int len = strlen(ref)+1;
+ delref = xmalloc(len+1);
+ strcpy(delref, ":");
+ strcat(delref, ref);
+ ref = delref;
+ } else if (deleterefs)
+ die(_("--delete only accepts plain target ref names"));
+ add_refspec(ref);
+ }
+}
+
+static void setup_push_upstream(struct remote *remote)
+{
+ struct strbuf refspec = STRBUF_INIT;
+ struct branch *branch = branch_get(NULL);
+ if (!branch)
+ die(_("You are not currently on a branch.\n"
+ "To push the history leading to the current (detached HEAD)\n"
+ "state now, use\n"
+ "\n"
+ " git push %s HEAD:<name-of-remote-branch>\n"),
+ remote->name);
+ if (!branch->merge_nr || !branch->merge)
+ die(_("The current branch %s has no upstream branch.\n"
+ "To push the current branch and set the remote as upstream, use\n"
+ "\n"
+ " git push --set-upstream %s %s\n"),
+ branch->name,
+ remote->name,
+ branch->name);
+ if (branch->merge_nr != 1)
+ die(_("The current branch %s has multiple upstream branches, "
+ "refusing to push."), branch->name);
+ strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
+ add_refspec(refspec.buf);
+}
+
+static void setup_default_push_refspecs(struct remote *remote)
+{
+ switch (push_default) {
+ default:
+ case PUSH_DEFAULT_MATCHING:
+ add_refspec(":");
+ break;
+
+ case PUSH_DEFAULT_UPSTREAM:
+ setup_push_upstream(remote);
+ 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;
+ }
+}
+
+static int push_with_options(struct transport *transport, int flags)
+{
+ int err;
+ int nonfastforward;
+
+ transport_set_verbosity(transport, verbosity, progress);
+
+ if (receivepack)
+ transport_set_option(transport,
+ TRANS_OPT_RECEIVEPACK, receivepack);
+ if (thin)
+ transport_set_option(transport, TRANS_OPT_THIN, "yes");
+
+ if (verbosity > 0)
+ fprintf(stderr, _("Pushing to %s\n"), transport->url);
+ err = transport_push(transport, refspec_nr, refspec, flags,
+ &nonfastforward);
+ if (err != 0)
+ error(_("failed to push some refs to '%s'"), transport->url);
+
+ err |= transport_disconnect(transport);
+
+ if (!err)
+ return 0;
+
+ if (nonfastforward && advice_push_nonfastforward) {
+ fprintf(stderr, _("To prevent you from losing history, non-fast-forward updates were rejected\n"
+ "Merge the remote changes (e.g. 'git pull') before pushing again. See the\n"
+ "'Note about fast-forwards' section of 'git push --help' for details.\n"));
+ }
+
+ return 1;
+}
+
+static int do_push(const char *repo, int flags)
+{
+ 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 configured push destination.\n"
+ "Either specify the URL from the command-line or configure a remote repository using\n"
+ "\n"
+ " git remote add <name> <url>\n"
+ "\n"
+ "and then push using the remote name\n"
+ "\n"
+ " git push <name>\n"));
+ }
+
+ if (remote->mirror)
+ flags |= (TRANSPORT_PUSH_MIRROR|TRANSPORT_PUSH_FORCE);
+
+ 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"));
+ }
+
+ 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"));
+ }
+
+ if ((flags & (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) ==
+ (TRANSPORT_PUSH_ALL|TRANSPORT_PUSH_MIRROR)) {
+ return error(_("--all and --mirror are incompatible"));
+ }
+
+ 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(remote);
+ }
+ errs = 0;
+ if (remote->pushurl_nr) {
+ url = remote->pushurl;
+ url_nr = remote->pushurl_nr;
+ } else {
+ url = remote->url;
+ url_nr = remote->url_nr;
+ }
+ if (url_nr) {
+ for (i = 0; i < url_nr; i++) {
+ struct transport *transport =
+ transport_get(remote, url[i]);
+ if (push_with_options(transport, flags))
+ errs++;
+ }
+ } else {
+ struct transport *transport =
+ transport_get(remote, NULL);
+
+ if (push_with_options(transport, flags))
+ errs++;
+ }
+ return !!errs;
+}
+
+int cmd_push(int argc, const char **argv, const char *prefix)
+{
+ int flags = 0;
+ int tags = 0;
+ int rc;
+ const char *repo = NULL; /* default repository */
+ struct option options[] = {
+ OPT__VERBOSITY(&verbosity),
+ 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, "delete", &deleterefs, "delete refs"),
+ OPT_BOOLEAN( 0 , "tags", &tags, "push tags (can't be used with --all or --mirror)"),
+ OPT_BIT('n' , "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_BIT('u', "set-upstream", &flags, "set upstream for git pull/status",
+ TRANSPORT_PUSH_SET_UPSTREAM),
+ OPT_BOOLEAN(0, "progress", &progress, "force progress reporting"),
+ OPT_END()
+ };
+
+ packet_trace_identity("push");
+ git_config(git_default_config, NULL);
+ argc = parse_options(argc, argv, prefix, options, push_usage, 0);
+
+ if (deleterefs && (tags || (flags & (TRANSPORT_PUSH_ALL | TRANSPORT_PUSH_MIRROR))))
+ die(_("--delete is incompatible with --all, --mirror and --tags"));
+ if (deleterefs && argc < 2)
+ die(_("--delete doesn't make sense without any refs"));
+
+ if (tags)
+ add_refspec("refs/tags/*");
+
+ if (argc > 0) {
+ repo = argv[0];
+ set_refspecs(argv + 1, argc - 1);
+ }
+
+ rc = do_push(repo, flags);
+ if (rc == -1)
+ usage_with_options(push_usage, options);
+ else
+ return rc;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 10:51:06 +0000