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-rw-r--r--builtin/push.c414
1 files changed, 348 insertions, 66 deletions
diff --git a/builtin/push.c b/builtin/push.c
index 9cebf9ea2..0e50ddbb0 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -8,21 +8,25 @@
#include "remote.h"
#include "transport.h"
#include "parse-options.h"
+#include "submodule.h"
static const char * const push_usage[] = {
- "git push [<options>] [<repository> [<refspec>...]]",
+ N_("git push [<options>] [<repository> [<refspec>...]]"),
NULL,
};
-static int thin;
+static int thin = 1;
static int deleterefs;
static const char *receivepack;
static int verbosity;
-static int progress;
+static int progress = -1;
+
+static struct push_cas_option cas;
static const char **refspec;
static int refspec_nr;
static int refspec_alloc;
+static int default_matching_used;
static void add_refspec(const char *ref)
{
@@ -31,51 +35,141 @@ static void add_refspec(const char *ref)
refspec[refspec_nr-1] = ref;
}
-static void set_refspecs(const char **refs, int nr)
+static const char *map_refspec(const char *ref,
+ struct remote *remote, struct ref *local_refs)
{
+ struct ref *matched = NULL;
+
+ /* Does "ref" uniquely name our ref? */
+ if (count_refspec_match(ref, local_refs, &matched) != 1)
+ return ref;
+
+ if (remote->push) {
+ struct refspec query;
+ memset(&query, 0, sizeof(struct refspec));
+ query.src = matched->name;
+ if (!query_refspecs(remote->push, remote->push_refspec_nr, &query) &&
+ query.dst) {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf, "%s%s:%s",
+ query.force ? "+" : "",
+ query.src, query.dst);
+ return strbuf_detach(&buf, NULL);
+ }
+ }
+
+ if (push_default == PUSH_DEFAULT_UPSTREAM &&
+ !prefixcmp(matched->name, "refs/heads/")) {
+ struct branch *branch = branch_get(matched->name + 11);
+ if (branch->merge_nr == 1 && branch->merge[0]->src) {
+ struct strbuf buf = STRBUF_INIT;
+ strbuf_addf(&buf, "%s:%s",
+ ref, branch->merge[0]->src);
+ return strbuf_detach(&buf, NULL);
+ }
+ }
+
+ return ref;
+}
+
+static void set_refspecs(const char **refs, int nr, const char *repo)
+{
+ struct remote *remote = NULL;
+ struct ref *local_refs = NULL;
int i;
+
for (i = 0; i < nr; i++) {
const char *ref = refs[i];
if (!strcmp("tag", ref)) {
- char *tag;
- int len;
+ struct strbuf tagref = STRBUF_INIT;
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/");
+ ref = refs[i];
+ if (deleterefs)
+ strbuf_addf(&tagref, ":refs/tags/%s", ref);
+ else
+ strbuf_addf(&tagref, "refs/tags/%s", ref);
+ ref = strbuf_detach(&tagref, NULL);
+ } else if (deleterefs) {
+ struct strbuf delref = STRBUF_INIT;
+ if (strchr(ref, ':'))
+ die(_("--delete only accepts plain target ref names"));
+ strbuf_addf(&delref, ":%s", ref);
+ ref = strbuf_detach(&delref, NULL);
+ } else if (!strchr(ref, ':')) {
+ if (!remote) {
+ /* lazily grab remote and local_refs */
+ remote = remote_get(repo);
+ local_refs = get_local_heads();
}
- 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"));
+ ref = map_refspec(ref, remote, local_refs);
+ }
add_refspec(ref);
}
}
-static void setup_push_upstream(struct remote *remote)
+static int push_url_of_remote(struct remote *remote, const char ***url_p)
+{
+ if (remote->pushurl_nr) {
+ *url_p = remote->pushurl;
+ return remote->pushurl_nr;
+ }
+ *url_p = remote->url;
+ return remote->url_nr;
+}
+
+static NORETURN int die_push_simple(struct branch *branch, struct remote *remote) {
+ /*
+ * There's no point in using shorten_unambiguous_ref here,
+ * as the ambiguity would be on the remote side, not what
+ * we have locally. Plus, this is supposed to be the simple
+ * mode. If the user is doing something crazy like setting
+ * upstream to a non-branch, we should probably be showing
+ * them the big ugly fully qualified ref.
+ */
+ const char *advice_maybe = "";
+ const char *short_upstream =
+ skip_prefix(branch->merge[0]->src, "refs/heads/");
+
+ if (!short_upstream)
+ short_upstream = branch->merge[0]->src;
+ /*
+ * Don't show advice for people who explicitly set
+ * push.default.
+ */
+ if (push_default == PUSH_DEFAULT_UNSPECIFIED)
+ advice_maybe = _("\n"
+ "To choose either option permanently, "
+ "see push.default in 'git help config'.");
+ die(_("The upstream branch of your current branch does not match\n"
+ "the name of your current branch. To push to the upstream branch\n"
+ "on the remote, use\n"
+ "\n"
+ " git push %s HEAD:%s\n"
+ "\n"
+ "To push to the branch of the same name on the remote, use\n"
+ "\n"
+ " git push %s %s\n"
+ "%s"),
+ remote->name, short_upstream,
+ remote->name, branch->name, advice_maybe);
+}
+
+static const char message_detached_head_die[] =
+ N_("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");
+
+static void setup_push_upstream(struct remote *remote, struct branch *branch,
+ int triangular)
{
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(_(message_detached_head_die), remote->name);
+ if (!branch->merge_nr || !branch->merge || !branch->remote_name)
die(_("The current branch %s has no upstream branch.\n"
"To push the current branch and set the remote as upstream, use\n"
"\n"
@@ -86,24 +180,94 @@ static void setup_push_upstream(struct remote *remote)
if (branch->merge_nr != 1)
die(_("The current branch %s has multiple upstream branches, "
"refusing to push."), branch->name);
+ if (triangular)
+ die(_("You are pushing to remote '%s', which is not the upstream of\n"
+ "your current branch '%s', without telling me what to push\n"
+ "to update which remote branch."),
+ remote->name, branch->name);
+
+ if (push_default == PUSH_DEFAULT_SIMPLE) {
+ /* Additional safety */
+ if (strcmp(branch->refname, branch->merge[0]->src))
+ die_push_simple(branch, remote);
+ }
+
strbuf_addf(&refspec, "%s:%s", branch->name, branch->merge[0]->src);
add_refspec(refspec.buf);
}
+static void setup_push_current(struct remote *remote, struct branch *branch)
+{
+ if (!branch)
+ die(_(message_detached_head_die), remote->name);
+ add_refspec(branch->name);
+}
+
+static char warn_unspecified_push_default_msg[] =
+N_("push.default is unset; its implicit value is changing in\n"
+ "Git 2.0 from 'matching' to 'simple'. To squelch this message\n"
+ "and maintain the current behavior after the default changes, use:\n"
+ "\n"
+ " git config --global push.default matching\n"
+ "\n"
+ "To squelch this message and adopt the new behavior now, use:\n"
+ "\n"
+ " git config --global push.default simple\n"
+ "\n"
+ "When push.default is set to 'matching', git will push local branches\n"
+ "to the remote branches that already exist with the same name.\n"
+ "\n"
+ "In Git 2.0, Git will default to the more conservative 'simple'\n"
+ "behavior, which only pushes the current branch to the corresponding\n"
+ "remote branch that 'git pull' uses to update the current branch.\n"
+ "\n"
+ "See 'git help config' and search for 'push.default' for further information.\n"
+ "(the 'simple' mode was introduced in Git 1.7.11. Use the similar mode\n"
+ "'current' instead of 'simple' if you sometimes use older versions of Git)");
+
+static void warn_unspecified_push_default_configuration(void)
+{
+ static int warn_once;
+
+ if (warn_once++)
+ return;
+ warning("%s\n", _(warn_unspecified_push_default_msg));
+}
+
+static int is_workflow_triangular(struct remote *remote)
+{
+ struct remote *fetch_remote = remote_get(NULL);
+ return (fetch_remote && fetch_remote != remote);
+}
+
static void setup_default_push_refspecs(struct remote *remote)
{
+ struct branch *branch = branch_get(NULL);
+ int triangular = is_workflow_triangular(remote);
+
switch (push_default) {
default:
+ case PUSH_DEFAULT_UNSPECIFIED:
+ default_matching_used = 1;
+ warn_unspecified_push_default_configuration();
+ /* fallthru */
case PUSH_DEFAULT_MATCHING:
add_refspec(":");
break;
+ case PUSH_DEFAULT_SIMPLE:
+ if (triangular)
+ setup_push_current(remote, branch);
+ else
+ setup_push_upstream(remote, branch, triangular);
+ break;
+
case PUSH_DEFAULT_UPSTREAM:
- setup_push_upstream(remote);
+ setup_push_upstream(remote, branch, triangular);
break;
case PUSH_DEFAULT_CURRENT:
- add_refspec("HEAD");
+ setup_push_current(remote, branch);
break;
case PUSH_DEFAULT_NOTHING:
@@ -113,35 +277,124 @@ static void setup_default_push_refspecs(struct remote *remote)
}
}
+static const char message_advice_pull_before_push[] =
+ N_("Updates were rejected because the tip of your current branch is behind\n"
+ "its remote counterpart. Integrate the remote changes (e.g.\n"
+ "'git pull ...') before pushing again.\n"
+ "See the 'Note about fast-forwards' in 'git push --help' for details.");
+
+static const char message_advice_use_upstream[] =
+ N_("Updates were rejected because a pushed branch tip is behind its remote\n"
+ "counterpart. If you did not intend to push that branch, you may want to\n"
+ "specify branches to push or set the 'push.default' configuration variable\n"
+ "to 'simple', 'current' or 'upstream' to push only the current branch.");
+
+static const char message_advice_checkout_pull_push[] =
+ N_("Updates were rejected because a pushed branch tip is behind its remote\n"
+ "counterpart. Check out this branch and integrate the remote changes\n"
+ "(e.g. 'git pull ...') before pushing again.\n"
+ "See the 'Note about fast-forwards' in 'git push --help' for details.");
+
+static const char message_advice_ref_fetch_first[] =
+ N_("Updates were rejected because the remote contains work that you do\n"
+ "not have locally. This is usually caused by another repository pushing\n"
+ "to the same ref. You may want to first integrate the remote changes\n"
+ "(e.g., 'git pull ...') before pushing again.\n"
+ "See the 'Note about fast-forwards' in 'git push --help' for details.");
+
+static const char message_advice_ref_already_exists[] =
+ N_("Updates were rejected because the tag already exists in the remote.");
+
+static const char message_advice_ref_needs_force[] =
+ N_("You cannot update a remote ref that points at a non-commit object,\n"
+ "or update a remote ref to make it point at a non-commit object,\n"
+ "without using the '--force' option.\n");
+
+static void advise_pull_before_push(void)
+{
+ if (!advice_push_non_ff_current || !advice_push_update_rejected)
+ return;
+ advise(_(message_advice_pull_before_push));
+}
+
+static void advise_use_upstream(void)
+{
+ if (!advice_push_non_ff_default || !advice_push_update_rejected)
+ return;
+ advise(_(message_advice_use_upstream));
+}
+
+static void advise_checkout_pull_push(void)
+{
+ if (!advice_push_non_ff_matching || !advice_push_update_rejected)
+ return;
+ advise(_(message_advice_checkout_pull_push));
+}
+
+static void advise_ref_already_exists(void)
+{
+ if (!advice_push_already_exists || !advice_push_update_rejected)
+ return;
+ advise(_(message_advice_ref_already_exists));
+}
+
+static void advise_ref_fetch_first(void)
+{
+ if (!advice_push_fetch_first || !advice_push_update_rejected)
+ return;
+ advise(_(message_advice_ref_fetch_first));
+}
+
+static void advise_ref_needs_force(void)
+{
+ if (!advice_push_needs_force || !advice_push_update_rejected)
+ return;
+ advise(_(message_advice_ref_needs_force));
+}
+
static int push_with_options(struct transport *transport, int flags)
{
int err;
- int nonfastforward;
+ unsigned int reject_reasons;
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");
+ transport_set_option(transport, TRANS_OPT_THIN, thin ? "yes" : NULL);
+
+ if (!is_empty_cas(&cas)) {
+ if (!transport->smart_options)
+ die("underlying transport does not support --%s option",
+ CAS_OPT_NAME);
+ transport->smart_options->cas = &cas;
+ }
if (verbosity > 0)
fprintf(stderr, _("Pushing to %s\n"), transport->url);
err = transport_push(transport, refspec_nr, refspec, flags,
- &nonfastforward);
+ &reject_reasons);
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"));
+ if (reject_reasons & REJECT_NON_FF_HEAD) {
+ advise_pull_before_push();
+ } else if (reject_reasons & REJECT_NON_FF_OTHER) {
+ if (default_matching_used)
+ advise_use_upstream();
+ else
+ advise_checkout_pull_push();
+ } else if (reject_reasons & REJECT_ALREADY_EXISTS) {
+ advise_ref_already_exists();
+ } else if (reject_reasons & REJECT_FETCH_FIRST) {
+ advise_ref_fetch_first();
+ } else if (reject_reasons & REJECT_NEEDS_FORCE) {
+ advise_ref_needs_force();
}
return 1;
@@ -150,7 +403,7 @@ static int push_with_options(struct transport *transport, int flags)
static int do_push(const char *repo, int flags)
{
int i, errs;
- struct remote *remote = remote_get(repo);
+ struct remote *remote = pushremote_get(repo);
const char **url;
int url_nr;
@@ -195,13 +448,7 @@ static int do_push(const char *repo, int flags)
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;
- }
+ url_nr = push_url_of_remote(remote, &url);
if (url_nr) {
for (i = 0; i < url_nr; i++) {
struct transport *transport =
@@ -219,6 +466,29 @@ static int do_push(const char *repo, int flags)
return !!errs;
}
+static int option_parse_recurse_submodules(const struct option *opt,
+ const char *arg, int unset)
+{
+ int *flags = opt->value;
+
+ if (*flags & (TRANSPORT_RECURSE_SUBMODULES_CHECK |
+ TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND))
+ die("%s can only be used once.", opt->long_name);
+
+ if (arg) {
+ if (!strcmp(arg, "check"))
+ *flags |= TRANSPORT_RECURSE_SUBMODULES_CHECK;
+ else if (!strcmp(arg, "on-demand"))
+ *flags |= TRANSPORT_RECURSE_SUBMODULES_ON_DEMAND;
+ else
+ die("bad %s argument: %s", opt->long_name, arg);
+ } else
+ die("option %s needs an argument (check|on-demand)",
+ opt->long_name);
+
+ return 0;
+}
+
int cmd_push(int argc, const char **argv, const char *prefix)
{
int flags = 0;
@@ -227,21 +497,33 @@ int cmd_push(int argc, const char **argv, const char *prefix)
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",
+ OPT_STRING( 0 , "repo", &repo, N_("repository"), N_("repository")),
+ OPT_BIT( 0 , "all", &flags, N_("push all refs"), TRANSPORT_PUSH_ALL),
+ OPT_BIT( 0 , "mirror", &flags, N_("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",
+ OPT_BOOL( 0, "delete", &deleterefs, N_("delete refs")),
+ OPT_BOOL( 0 , "tags", &tags, N_("push tags (can't be used with --all or --mirror)")),
+ OPT_BIT('n' , "dry-run", &flags, N_("dry run"), TRANSPORT_PUSH_DRY_RUN),
+ OPT_BIT( 0, "porcelain", &flags, N_("machine-readable output"), TRANSPORT_PUSH_PORCELAIN),
+ OPT_BIT('f', "force", &flags, N_("force updates"), TRANSPORT_PUSH_FORCE),
+ { OPTION_CALLBACK,
+ 0, CAS_OPT_NAME, &cas, N_("refname>:<expect"),
+ N_("require old value of ref to be at this value"),
+ PARSE_OPT_OPTARG, parseopt_push_cas_option },
+ { OPTION_CALLBACK, 0, "recurse-submodules", &flags, N_("check"),
+ N_("control recursive pushing of submodules"),
+ PARSE_OPT_OPTARG, option_parse_recurse_submodules },
+ OPT_BOOL( 0 , "thin", &thin, N_("use thin pack")),
+ OPT_STRING( 0 , "receive-pack", &receivepack, "receive-pack", N_("receive pack program")),
+ OPT_STRING( 0 , "exec", &receivepack, "receive-pack", N_("receive pack program")),
+ OPT_BIT('u', "set-upstream", &flags, N_("set upstream for git pull/status"),
TRANSPORT_PUSH_SET_UPSTREAM),
- OPT_BOOLEAN(0, "progress", &progress, "force progress reporting"),
+ OPT_BOOL(0, "progress", &progress, N_("force progress reporting")),
+ OPT_BIT(0, "prune", &flags, N_("prune locally removed refs"),
+ TRANSPORT_PUSH_PRUNE),
+ OPT_BIT(0, "no-verify", &flags, N_("bypass pre-push hook"), TRANSPORT_PUSH_NO_HOOK),
+ OPT_BIT(0, "follow-tags", &flags, N_("push missing but relevant tags"),
+ TRANSPORT_PUSH_FOLLOW_TAGS),
OPT_END()
};
@@ -259,7 +541,7 @@ int cmd_push(int argc, const char **argv, const char *prefix)
if (argc > 0) {
repo = argv[0];
- set_refspecs(argv + 1, argc - 1);
+ set_refspecs(argv + 1, argc - 1, repo);
}
rc = do_push(repo, flags);
generated by cgit v1.2.1 (git 2.18.0) at 2024-07-02 23:55:20 +0000