#include "packfile.h"
#include "list-objects-filter-options.h"
#include "commit-reach.h"
+#include "branch.h"
+
+#define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
static const char * const builtin_fetch_usage[] = {
N_("git fetch [<options>] [<repository> [<refspec>...]]"),
};
static int fetch_prune_config = -1; /* unspecified */
+static int fetch_show_forced_updates = 1;
+static uint64_t forced_updates_ms = 0;
static int prune = -1; /* unspecified */
#define PRUNE_BY_DEFAULT 0 /* do we prune by default? */
static int prune_tags = -1; /* unspecified */
#define PRUNE_TAGS_BY_DEFAULT 0 /* do we prune tags by default? */
-static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative;
+static int all, append, dry_run, force, keep, multiple, update_head_ok;
+static int verbosity, deepen_relative, set_upstream;
static int progress = -1;
static int enable_auto_gc = 1;
static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
return 0;
}
+ if (!strcmp(k, "fetch.showforcedupdates")) {
+ fetch_show_forced_updates = git_config_bool(k, v);
+ return 0;
+ }
+
if (!strcmp(k, "submodule.recurse")) {
int r = git_config_bool(k, v) ?
RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF;
OPT__VERBOSITY(&verbosity),
OPT_BOOL(0, "all", &all,
N_("fetch from all remotes")),
+ OPT_BOOL(0, "set-upstream", &set_upstream,
+ N_("set upstream for git pull/fetch")),
OPT_BOOL('a', "append", &append,
N_("append to .git/FETCH_HEAD instead of overwriting")),
OPT_STRING(0, "upload-pack", &upload_pack, N_("path"),
OPT_PARSE_LIST_OBJECTS_FILTER(&filter_options),
OPT_BOOL(0, "auto-gc", &enable_auto_gc,
N_("run 'gc --auto' after fetching")),
+ OPT_BOOL(0, "show-forced-updates", &fetch_show_forced_updates,
+ N_("check for forced-updates on all updated branches")),
OPT_END()
};
enum object_type type;
struct branch *current_branch = branch_get(NULL);
const char *pretty_ref = prettify_refname(ref->name);
+ int fast_forward = 0;
type = oid_object_info(the_repository, &ref->new_oid, NULL);
if (type < 0)
return r;
}
- if (in_merge_bases(current, updated)) {
+ if (fetch_show_forced_updates) {
+ uint64_t t_before = getnanotime();
+ fast_forward = in_merge_bases(current, updated);
+ forced_updates_ms += (getnanotime() - t_before) / 1000000;
+ } else {
+ fast_forward = 1;
+ }
+
+ if (fast_forward) {
struct strbuf quickref = STRBUF_INIT;
int r;
+
strbuf_add_unique_abbrev(&quickref, ¤t->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "..");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
return 0;
}
+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'.");
+static const char warn_time_show_forced_updates[] =
+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");
+
static int store_updated_refs(const char *raw_url, const char *remote_name,
int connectivity_checked, struct ref *ref_map)
{
" 'git remote prune %s' to remove any old, conflicting "
"branches"), remote_name);
+ if (advice_fetch_show_forced_updates) {
+ if (!fetch_show_forced_updates) {
+ warning(_(warn_show_forced_updates));
+ } else if (forced_updates_ms > FORCED_UPDATES_DELAY_WARNING_IN_MS) {
+ warning(_(warn_time_show_forced_updates),
+ forced_updates_ms / 1000.0);
+ }
+ }
+
abort:
strbuf_release(¬e);
free(url);
retcode = 1;
goto cleanup;
}
+
+ if (set_upstream) {
+ struct branch *branch = branch_get("HEAD");
+ struct ref *rm;
+ struct ref *source_ref = NULL;
+
+ /*
+ * We're setting the upstream configuration for the
+ * current branch. The relevent upstream is the
+ * fetched branch that is meant to be merged with the
+ * current one, i.e. the one fetched to FETCH_HEAD.
+ *
+ * When there are several such branches, consider the
+ * request ambiguous and err on the safe side by doing
+ * nothing and just emit a warning.
+ */
+ for (rm = ref_map; rm; rm = rm->next) {
+ if (!rm->peer_ref) {
+ if (source_ref) {
+ warning(_("multiple branch detected, incompatible with --set-upstream"));
+ goto skip;
+ } else {
+ source_ref = rm;
+ }
+ }
+ }
+ if (source_ref) {
+ if (!strcmp(source_ref->name, "HEAD") ||
+ starts_with(source_ref->name, "refs/heads/"))
+ install_branch_config(0,
+ branch->name,
+ transport->remote->name,
+ source_ref->name);
+ else if (starts_with(source_ref->name, "refs/remotes/"))
+ warning(_("not setting upstream for a remote remote-tracking branch"));
+ else if (starts_with(source_ref->name, "refs/tags/"))
+ warning(_("not setting upstream for a remote tag"));
+ else
+ warning(_("unknown branch type"));
+ } else {
+ warning(_("no source branch found.\n"
+ "you need to specify exactly one branch with the --set-upstream option."));
+ }
+ }
+ skip:
free_refs(ref_map);
/* if neither --no-tags nor --tags was specified, do automated tag