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Diffstat (limited to 'builtin/fetch.c')
-rw-r--r--builtin/fetch.c88
1 files changed, 70 insertions, 18 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 4ba63d5ac6..717dd14e89 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -24,6 +24,8 @@
#include "list-objects-filter-options.h"
#include "commit-reach.h"
+#define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
+
static const char * const builtin_fetch_usage[] = {
N_("git fetch [<options>] [<repository> [<refspec>...]]"),
N_("git fetch [<options>] <group>"),
@@ -39,6 +41,8 @@ enum {
};
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? */
@@ -48,6 +52,7 @@ static int prune_tags = -1; /* unspecified */
static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity, deepen_relative;
static int progress = -1;
+static int enable_auto_gc = 1;
static int tags = TAGS_DEFAULT, unshallow, update_shallow, deepen;
static int max_children = 1;
static enum transport_family family;
@@ -79,6 +84,11 @@ static int git_fetch_config(const char *k, const char *v, void *cb)
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;
@@ -169,6 +179,10 @@ static struct option builtin_fetch_options[] = {
OPT_STRING_LIST(0, "negotiation-tip", &negotiation_tip, N_("revision"),
N_("report that we have only objects reachable from this object")),
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()
};
@@ -239,6 +253,7 @@ static int will_fetch(struct ref **head, const unsigned char *sha1)
struct refname_hash_entry {
struct hashmap_entry ent; /* must be the first member */
struct object_id oid;
+ int ignore;
char refname[FLEX_ARRAY];
};
@@ -287,6 +302,11 @@ static int refname_hash_exists(struct hashmap *map, const char *refname)
return !!hashmap_get_from_hash(map, strhash(refname), refname);
}
+static void clear_item(struct refname_hash_entry *item)
+{
+ item->ignore = 1;
+}
+
static void find_non_local_tags(const struct ref *refs,
struct ref **head,
struct ref ***tail)
@@ -319,7 +339,7 @@ static void find_non_local_tags(const struct ref *refs,
!will_fetch(head, ref->old_oid.hash) &&
!has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) &&
!will_fetch(head, item->oid.hash))
- oidclr(&item->oid);
+ clear_item(item);
item = NULL;
continue;
}
@@ -333,7 +353,7 @@ static void find_non_local_tags(const struct ref *refs,
if (item &&
!has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) &&
!will_fetch(head, item->oid.hash))
- oidclr(&item->oid);
+ clear_item(item);
item = NULL;
@@ -354,7 +374,7 @@ static void find_non_local_tags(const struct ref *refs,
if (item &&
!has_object_file_with_flags(&item->oid, OBJECT_INFO_QUICK) &&
!will_fetch(head, item->oid.hash))
- oidclr(&item->oid);
+ clear_item(item);
/*
* For all the tags in the remote_refs_list,
@@ -362,19 +382,21 @@ static void find_non_local_tags(const struct ref *refs,
*/
for_each_string_list_item(remote_ref_item, &remote_refs_list) {
const char *refname = remote_ref_item->string;
+ struct ref *rm;
item = hashmap_get_from_hash(&remote_refs, strhash(refname), refname);
if (!item)
BUG("unseen remote ref?");
/* Unless we have already decided to ignore this item... */
- if (!is_null_oid(&item->oid)) {
- struct ref *rm = alloc_ref(item->refname);
- rm->peer_ref = alloc_ref(item->refname);
- oidcpy(&rm->old_oid, &item->oid);
- **tail = rm;
- *tail = &rm->next;
- }
+ if (item->ignore)
+ continue;
+
+ rm = alloc_ref(item->refname);
+ rm->peer_ref = alloc_ref(item->refname);
+ oidcpy(&rm->old_oid, &item->oid);
+ **tail = rm;
+ *tail = &rm->next;
}
hashmap_free(&remote_refs, 1);
string_list_clear(&remote_refs_list, 0);
@@ -699,6 +721,7 @@ static int update_local_ref(struct ref *ref,
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)
@@ -773,9 +796,18 @@ static int update_local_ref(struct ref *ref,
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, &current->object.oid, DEFAULT_ABBREV);
strbuf_addstr(&quickref, "..");
strbuf_add_unique_abbrev(&quickref, &ref->new_oid, DEFAULT_ABBREV);
@@ -818,6 +850,15 @@ static int iterate_ref_map(void *cb_data, struct object_id *oid)
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)
{
@@ -971,6 +1012,15 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
" '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(&note);
free(url);
@@ -1424,7 +1474,7 @@ static int fetch_multiple(struct string_list *list)
return errcode;
}
- argv_array_pushl(&argv, "fetch", "--append", NULL);
+ argv_array_pushl(&argv, "fetch", "--append", "--no-auto-gc", NULL);
add_options_to_argv(&argv);
for (i = 0; i < list->nr; i++) {
@@ -1672,13 +1722,15 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
string_list_clear(&list, 0);
- close_all_packs(the_repository->objects);
+ close_object_store(the_repository->objects);
- argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
- if (verbosity < 0)
- argv_array_push(&argv_gc_auto, "--quiet");
- run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD);
- argv_array_clear(&argv_gc_auto);
+ if (enable_auto_gc) {
+ argv_array_pushl(&argv_gc_auto, "gc", "--auto", NULL);
+ if (verbosity < 0)
+ argv_array_push(&argv_gc_auto, "--quiet");
+ run_command_v_opt(argv_gc_auto.argv, RUN_GIT_CMD);
+ argv_array_clear(&argv_gc_auto);
+ }
return result;
}