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Diffstat (limited to 'builtin/fetch.c')
-rw-r--r--builtin/fetch.c209
1 files changed, 135 insertions, 74 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c
index f7abbc31ff..6f5e157863 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -28,6 +28,7 @@
#include "promisor-remote.h"
#include "commit-graph.h"
#include "shallow.h"
+#include "worktree.h"
#define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
@@ -75,6 +76,7 @@ static struct transport *gtransport;
static struct transport *gsecondary;
static const char *submodule_prefix = "";
static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
+static int recurse_submodules_cli = RECURSE_SUBMODULES_DEFAULT;
static int recurse_submodules_default = RECURSE_SUBMODULES_ON_DEMAND;
static int shown_url = 0;
static struct refspec refmap = REFSPEC_INIT_FETCH;
@@ -166,7 +168,7 @@ static struct option builtin_fetch_options[] = {
N_("prune remote-tracking branches no longer on remote")),
OPT_BOOL('P', "prune-tags", &prune_tags,
N_("prune local tags no longer on remote and clobber changed tags")),
- OPT_CALLBACK_F(0, "recurse-submodules", &recurse_submodules, N_("on-demand"),
+ OPT_CALLBACK_F(0, "recurse-submodules", &recurse_submodules_cli, N_("on-demand"),
N_("control recursive fetching of submodules"),
PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules),
OPT_BOOL(0, "dry-run", &dry_run,
@@ -222,17 +224,22 @@ static struct option builtin_fetch_options[] = {
OPT_END()
};
-static void unlock_pack(void)
+static void unlock_pack(unsigned int flags)
{
if (gtransport)
- transport_unlock_pack(gtransport);
+ transport_unlock_pack(gtransport, flags);
if (gsecondary)
- transport_unlock_pack(gsecondary);
+ transport_unlock_pack(gsecondary, flags);
+}
+
+static void unlock_pack_atexit(void)
+{
+ unlock_pack(0);
}
static void unlock_pack_on_signal(int signo)
{
- unlock_pack();
+ unlock_pack(TRANSPORT_UNLOCK_PACK_IN_SIGNAL_HANDLER);
sigchain_pop(signo);
raise(signo);
}
@@ -552,7 +559,7 @@ static struct ref *get_ref_map(struct remote *remote,
for (i = 0; i < fetch_refspec->nr; i++)
get_fetch_map(ref_map, &fetch_refspec->items[i], &oref_tail, 1);
} else if (refmap.nr) {
- die("--refmap option is only meaningful with command-line refspec(s).");
+ die("--refmap option is only meaningful with command-line refspec(s)");
} else {
/* Use the defaults */
struct branch *branch = branch_get(NULL);
@@ -583,7 +590,7 @@ static struct ref *get_ref_map(struct remote *remote,
} else if (!prefetch) {
ref_map = get_remote_ref(remote_refs, "HEAD");
if (!ref_map)
- die(_("Couldn't find remote ref HEAD"));
+ die(_("couldn't find remote ref HEAD"));
ref_map->fetch_head_status = FETCH_HEAD_MERGE;
tail = &ref_map->next;
}
@@ -848,13 +855,12 @@ static void format_display(struct strbuf *display, char code,
static int update_local_ref(struct ref *ref,
struct ref_transaction *transaction,
- const char *remote,
- const struct ref *remote_ref,
- struct strbuf *display,
- int summary_width)
+ const char *remote, const struct ref *remote_ref,
+ struct strbuf *display, int summary_width,
+ struct worktree **worktrees)
{
struct commit *current = NULL, *updated;
- struct branch *current_branch = branch_get(NULL);
+ const struct worktree *wt;
const char *pretty_ref = prettify_refname(ref->name);
int fast_forward = 0;
@@ -868,16 +874,17 @@ static int update_local_ref(struct ref *ref,
return 0;
}
- if (current_branch &&
- !strcmp(ref->name, current_branch->name) &&
- !(update_head_ok || is_bare_repository()) &&
- !is_null_oid(&ref->old_oid)) {
+ if (!update_head_ok &&
+ (wt = find_shared_symref(worktrees, "HEAD", ref->name)) &&
+ !wt->is_bare && !is_null_oid(&ref->old_oid)) {
/*
* If this is the head, and it's not okay to update
* the head, and the old value of the head isn't empty...
*/
format_display(display, '!', _("[rejected]"),
- _("can't fetch in current branch"),
+ wt->is_current ?
+ _("can't fetch in current branch") :
+ _("checked out in another worktree"),
remote, pretty_ref, summary_width);
return 1;
}
@@ -995,7 +1002,7 @@ static int open_fetch_head(struct fetch_head *fetch_head)
if (write_fetch_head) {
fetch_head->fp = fopen(filename, "a");
if (!fetch_head->fp)
- return error_errno(_("cannot open %s"), filename);
+ return error_errno(_("cannot open '%s'"), filename);
strbuf_init(&fetch_head->buf, 0);
} else {
fetch_head->fp = NULL;
@@ -1067,16 +1074,17 @@ static void close_fetch_head(struct fetch_head *fetch_head)
}
static const char warn_show_forced_updates[] =
-N_("Fetch normally indicates which branches had a forced update,\n"
- "but that check has been disabled. To re-enable, use '--show-forced-updates'\n"
- "flag or run 'git config fetch.showForcedUpdates true'.");
+N_("fetch normally indicates which branches had a forced update,\n"
+ "but that check has been disabled; to re-enable, use '--show-forced-updates'\n"
+ "flag or run 'git config fetch.showForcedUpdates true'");
static const char warn_time_show_forced_updates[] =
-N_("It took %.2f seconds to check forced updates. You can use\n"
+N_("it took %.2f seconds to check forced updates; you can use\n"
"'--no-show-forced-updates' or run 'git config fetch.showForcedUpdates false'\n"
- " to avoid this check.\n");
+ "to avoid this check\n");
static int store_updated_refs(const char *raw_url, const char *remote_name,
- int connectivity_checked, struct ref *ref_map)
+ int connectivity_checked, struct ref *ref_map,
+ struct worktree **worktrees)
{
struct fetch_head fetch_head;
int url_len, i, rc = 0;
@@ -1205,7 +1213,8 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
strbuf_reset(&note);
if (ref) {
rc |= update_local_ref(ref, transaction, what,
- rm, &note, summary_width);
+ rm, &note, summary_width,
+ worktrees);
free(ref);
} else if (write_fetch_head || dry_run) {
/*
@@ -1298,7 +1307,9 @@ static int check_exist_and_connected(struct ref *ref_map)
return check_connected(iterate_ref_map, &rm, &opt);
}
-static int fetch_and_consume_refs(struct transport *transport, struct ref *ref_map)
+static int fetch_and_consume_refs(struct transport *transport,
+ struct ref *ref_map,
+ struct worktree **worktrees)
{
int connectivity_checked = 1;
int ret;
@@ -1319,14 +1330,12 @@ static int fetch_and_consume_refs(struct transport *transport, struct ref *ref_m
}
trace2_region_enter("fetch", "consume_refs", the_repository);
- ret = store_updated_refs(transport->url,
- transport->remote->name,
- connectivity_checked,
- ref_map);
+ ret = store_updated_refs(transport->url, transport->remote->name,
+ connectivity_checked, ref_map, worktrees);
trace2_region_leave("fetch", "consume_refs", the_repository);
out:
- transport_unlock_pack(transport);
+ transport_unlock_pack(transport, 0);
return ret;
}
@@ -1385,18 +1394,18 @@ static int prune_refs(struct refspec *rs, struct ref *ref_map,
return result;
}
-static void check_not_current_branch(struct ref *ref_map)
+static void check_not_current_branch(struct ref *ref_map,
+ struct worktree **worktrees)
{
- struct branch *current_branch = branch_get(NULL);
-
- if (is_bare_repository() || !current_branch)
- return;
-
+ const struct worktree *wt;
for (; ref_map; ref_map = ref_map->next)
- if (ref_map->peer_ref && !strcmp(current_branch->refname,
- ref_map->peer_ref->name))
- die(_("Refusing to fetch into current branch %s "
- "of non-bare repository"), current_branch->refname);
+ if (ref_map->peer_ref &&
+ (wt = find_shared_symref(worktrees, "HEAD",
+ ref_map->peer_ref->name)) &&
+ !wt->is_bare)
+ die(_("refusing to fetch into branch '%s' "
+ "checked out at '%s'"),
+ ref_map->peer_ref->name, wt->path);
}
static int truncate_fetch_head(void)
@@ -1405,7 +1414,7 @@ static int truncate_fetch_head(void)
FILE *fp = fopen_for_writing(filename);
if (!fp)
- return error_errno(_("cannot open %s"), filename);
+ return error_errno(_("cannot open '%s'"), filename);
fclose(fp);
return 0;
}
@@ -1414,10 +1423,10 @@ static void set_option(struct transport *transport, const char *name, const char
{
int r = transport_set_option(transport, name, value);
if (r < 0)
- die(_("Option \"%s\" value \"%s\" is not valid for %s"),
+ die(_("option \"%s\" value \"%s\" is not valid for %s"),
name, value, transport->url);
if (r > 0)
- warning(_("Option \"%s\" is ignored for %s\n"),
+ warning(_("option \"%s\" is ignored for %s\n"),
name, transport->url);
}
@@ -1451,7 +1460,7 @@ static void add_negotiation_tips(struct git_transport_options *smart_options)
old_nr = oids->nr;
for_each_glob_ref(add_oid, s, oids);
if (old_nr == oids->nr)
- warning("Ignoring --negotiation-tip=%s because it does not match any refs",
+ warning("ignoring --negotiation-tip=%s because it does not match any refs",
s);
}
smart_options->negotiation_tips = oids;
@@ -1489,12 +1498,13 @@ static struct transport *prepare_transport(struct remote *remote, int deepen)
if (transport->smart_options)
add_negotiation_tips(transport->smart_options);
else
- warning("Ignoring --negotiation-tip because the protocol does not support it.");
+ warning("ignoring --negotiation-tip because the protocol does not support it");
}
return transport;
}
-static void backfill_tags(struct transport *transport, struct ref *ref_map)
+static void backfill_tags(struct transport *transport, struct ref *ref_map,
+ struct worktree **worktrees)
{
int cannot_reuse;
@@ -1515,7 +1525,7 @@ static void backfill_tags(struct transport *transport, struct ref *ref_map)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
transport_set_option(transport, TRANS_OPT_DEPTH, "0");
transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
- fetch_and_consume_refs(transport, ref_map);
+ fetch_and_consume_refs(transport, ref_map, worktrees);
if (gsecondary) {
transport_disconnect(gsecondary);
@@ -1533,6 +1543,7 @@ static int do_fetch(struct transport *transport,
struct transport_ls_refs_options transport_ls_refs_options =
TRANSPORT_LS_REFS_OPTIONS_INIT;
int must_list_refs = 1;
+ struct worktree **worktrees = get_worktrees();
if (tags == TAGS_DEFAULT) {
if (transport->remote->fetch_tags == 2)
@@ -1588,7 +1599,7 @@ static int do_fetch(struct transport *transport,
ref_map = get_ref_map(transport->remote, remote_refs, rs,
tags, &autotags);
if (!update_head_ok)
- check_not_current_branch(ref_map);
+ check_not_current_branch(ref_map, worktrees);
if (tags == TAGS_DEFAULT && autotags)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
@@ -1599,14 +1610,16 @@ static int do_fetch(struct transport *transport,
* don't care whether --tags was specified.
*/
if (rs->nr) {
- prune_refs(rs, ref_map, transport->url);
+ retcode = prune_refs(rs, ref_map, transport->url);
} else {
- prune_refs(&transport->remote->fetch,
- ref_map,
- transport->url);
+ retcode = prune_refs(&transport->remote->fetch,
+ ref_map,
+ transport->url);
}
+ if (retcode != 0)
+ retcode = 1;
}
- if (fetch_and_consume_refs(transport, ref_map)) {
+ if (fetch_and_consume_refs(transport, ref_map, worktrees)) {
free_refs(ref_map);
retcode = 1;
goto cleanup;
@@ -1638,6 +1651,16 @@ static int do_fetch(struct transport *transport,
}
}
if (source_ref) {
+ if (!branch) {
+ const char *shortname = source_ref->name;
+ skip_prefix(shortname, "refs/heads/", &shortname);
+
+ warning(_("could not set upstream of HEAD to '%s' from '%s' when "
+ "it does not point to any branch."),
+ shortname, transport->remote->name);
+ goto skip;
+ }
+
if (!strcmp(source_ref->name, "HEAD") ||
starts_with(source_ref->name, "refs/heads/"))
install_branch_config(0,
@@ -1651,11 +1674,11 @@ static int do_fetch(struct transport *transport,
else
warning(_("unknown branch type"));
} else {
- warning(_("no source branch found.\n"
- "you need to specify exactly one branch with the --set-upstream option."));
+ warning(_("no source branch found;\n"
+ "you need to specify exactly one branch with the --set-upstream option"));
}
}
- skip:
+skip:
free_refs(ref_map);
/* if neither --no-tags nor --tags was specified, do automated tag
@@ -1665,11 +1688,12 @@ static int do_fetch(struct transport *transport,
ref_map = NULL;
find_non_local_tags(remote_refs, &ref_map, &tail);
if (ref_map)
- backfill_tags(transport, ref_map);
+ backfill_tags(transport, ref_map, worktrees);
free_refs(ref_map);
}
- cleanup:
+cleanup:
+ free_worktrees(worktrees);
return retcode;
}
@@ -1790,7 +1814,7 @@ static int fetch_failed_to_start(struct strbuf *out, void *cb, void *task_cb)
struct parallel_fetch_state *state = cb;
const char *remote = task_cb;
- state->result = error(_("Could not fetch %s"), remote);
+ state->result = error(_("could not fetch %s"), remote);
return 0;
}
@@ -1845,7 +1869,7 @@ static int fetch_multiple(struct string_list *list, int max_children)
if (verbosity >= 0)
printf(_("Fetching %s\n"), name);
if (run_command_v_opt(argv.v, RUN_GIT_CMD)) {
- error(_("Could not fetch %s"), name);
+ error(_("could not fetch %s"), name);
result = 1;
}
strvec_pop(&argv);
@@ -1906,8 +1930,8 @@ static int fetch_one(struct remote *remote, int argc, const char **argv,
int remote_via_config = remote_is_configured(remote, 0);
if (!remote)
- die(_("No remote repository specified. Please, specify either a URL or a\n"
- "remote name from which new revisions should be fetched."));
+ die(_("no remote repository specified; please specify either a URL or a\n"
+ "remote name from which new revisions should be fetched"));
gtransport = prepare_transport(remote, 1);
@@ -1942,7 +1966,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv,
if (!strcmp(argv[i], "tag")) {
i++;
if (i >= argc)
- die(_("You need to specify a tag name."));
+ die(_("you need to specify a tag name"));
refspec_appendf(&rs, "refs/tags/%s:refs/tags/%s",
argv[i], argv[i]);
@@ -1962,7 +1986,7 @@ static int fetch_one(struct remote *remote, int argc, const char **argv,
gtransport->server_options = &server_options;
sigchain_push_common(unlock_pack_on_signal);
- atexit(unlock_pack);
+ atexit(unlock_pack_atexit);
sigchain_push(SIGPIPE, SIG_IGN);
exit_code = do_fetch(gtransport, &rs);
sigchain_pop(SIGPIPE);
@@ -1993,9 +2017,33 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
}
git_config(git_fetch_config, NULL);
+ prepare_repo_settings(the_repository);
+ the_repository->settings.command_requires_full_index = 0;
argc = parse_options(argc, argv, prefix,
builtin_fetch_options, builtin_fetch_usage, 0);
+
+ if (recurse_submodules_cli != RECURSE_SUBMODULES_DEFAULT)
+ recurse_submodules = recurse_submodules_cli;
+
+ if (negotiate_only) {
+ switch (recurse_submodules_cli) {
+ case RECURSE_SUBMODULES_OFF:
+ case RECURSE_SUBMODULES_DEFAULT:
+ /*
+ * --negotiate-only should never recurse into
+ * submodules. Skip it by setting recurse_submodules to
+ * RECURSE_SUBMODULES_OFF.
+ */
+ recurse_submodules = RECURSE_SUBMODULES_OFF;
+ break;
+
+ default:
+ die(_("options '%s' and '%s' cannot be used together"),
+ "--negotiate-only", "--recurse-submodules");
+ }
+ }
+
if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
int *sfjc = submodule_fetch_jobs_config == -1
? &submodule_fetch_jobs_config : NULL;
@@ -2006,18 +2054,18 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
}
if (negotiate_only && !negotiation_tip.nr)
- die(_("--negotiate-only needs one or more --negotiate-tip=*"));
+ die(_("--negotiate-only needs one or more --negotiation-tip=*"));
if (deepen_relative) {
if (deepen_relative < 0)
- die(_("Negative depth in --deepen is not supported"));
+ die(_("negative depth in --deepen is not supported"));
if (depth)
- die(_("--deepen and --depth are mutually exclusive"));
+ die(_("options '%s' and '%s' cannot be used together"), "--deepen", "--depth");
depth = xstrfmt("%d", deepen_relative);
}
if (unshallow) {
if (depth)
- die(_("--depth and --unshallow cannot be used together"));
+ die(_("options '%s' and '%s' cannot be used together"), "--depth", "--unshallow");
else if (!is_repository_shallow(the_repository))
die(_("--unshallow on a complete repository does not make sense"));
else
@@ -2047,14 +2095,15 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
/* All arguments are assumed to be remotes or groups */
for (i = 0; i < argc; i++)
if (!add_remote_or_group(argv[i], &list))
- die(_("No such remote or remote group: %s"), argv[i]);
+ die(_("no such remote or remote group: %s"),
+ argv[i]);
} else {
/* Single remote or group */
(void) add_remote_or_group(argv[0], &list);
if (list.nr > 1) {
/* More than one remote */
if (argc > 1)
- die(_("Fetching a group and specifying refspecs does not make sense"));
+ die(_("fetching a group and specifying refspecs does not make sense"));
} else {
/* Zero or one remotes */
remote = remote_get(argv[0]);
@@ -2075,8 +2124,9 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
if (gtransport->smart_options) {
gtransport->smart_options->acked_commits = &acked_commits;
} else {
- warning(_("Protocol does not support --negotiate-only, exiting."));
- return 1;
+ warning(_("protocol does not support --negotiate-only, exiting"));
+ result = 1;
+ goto cleanup;
}
if (server_options.nr)
gtransport->server_options = &server_options;
@@ -2132,7 +2182,16 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
strvec_clear(&options);
}
- string_list_clear(&list, 0);
+ /*
+ * Skip irrelevant tasks because we know objects were not
+ * fetched.
+ *
+ * NEEDSWORK: as a future optimization, we can return early
+ * whenever objects were not fetched e.g. if we already have all
+ * of them.
+ */
+ if (negotiate_only)
+ goto cleanup;
prepare_repo_settings(the_repository);
if (fetch_write_commit_graph > 0 ||
@@ -2151,5 +2210,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
if (enable_auto_gc)
run_auto_maintenance(verbosity < 0);
+ cleanup:
+ string_list_clear(&list, 0);
return result;
}