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Diffstat (limited to 'builtin/fetch.c')
-rw-r--r--builtin/fetch.c162
1 files changed, 129 insertions, 33 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c
index c9b92b1e52..67c0eb88c6 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -23,6 +23,11 @@
#include "packfile.h"
#include "list-objects-filter-options.h"
#include "commit-reach.h"
+#include "branch.h"
+#include "promisor-remote.h"
+#include "commit-graph.h"
+
+#define FORCED_UPDATES_DELAY_WARNING_IN_MS (10 * 1000)
static const char * const builtin_fetch_usage[] = {
N_("git fetch [<options>] [<repository> [<refspec>...]]"),
@@ -39,6 +44,8 @@ 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? */
@@ -46,8 +53,10 @@ static int fetch_prune_tags_config = -1; /* unspecified */
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;
static int max_children = 1;
static enum transport_family family;
@@ -79,6 +88,11 @@ 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;
@@ -113,6 +127,8 @@ static struct option builtin_fetch_options[] = {
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"),
@@ -169,6 +185,10 @@ 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()
};
@@ -707,6 +727,7 @@ 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)
@@ -781,9 +802,18 @@ 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);
@@ -826,6 +856,15 @@ 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)
{
@@ -979,6 +1018,15 @@ 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);
@@ -1196,13 +1244,10 @@ static struct transport *prepare_transport(struct remote *remote, int deepen)
if (update_shallow)
set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
if (filter_options.choice) {
- struct strbuf expanded_filter_spec = STRBUF_INIT;
- expand_list_objects_filter_spec(&filter_options,
- &expanded_filter_spec);
- set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER,
- expanded_filter_spec.buf);
+ const char *spec =
+ expand_list_objects_filter_spec(&filter_options);
+ set_option(transport, TRANS_OPT_LIST_OBJECTS_FILTER, spec);
set_option(transport, TRANS_OPT_FROM_PROMISOR, "1");
- strbuf_release(&expanded_filter_spec);
}
if (negotiation_tip.nr) {
if (transport->smart_options)
@@ -1325,6 +1370,51 @@ static int do_fetch(struct transport *transport,
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
@@ -1432,7 +1522,7 @@ 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++) {
@@ -1468,37 +1558,27 @@ static inline void fetch_one_setup_partial(struct remote *remote)
* If no prior partial clone/fetch and the current fetch DID NOT
* request a partial-fetch, do a normal fetch.
*/
- if (!repository_format_partial_clone && !filter_options.choice)
+ if (!has_promisor_remote() && !filter_options.choice)
return;
/*
- * If this is the FIRST partial-fetch request, we enable partial
- * on this repo and remember the given filter-spec as the default
- * for subsequent fetches to this remote.
+ * If this is a partial-fetch request, we enable partial on
+ * this repo if not already enabled and remember the given
+ * filter-spec as the default for subsequent fetches to this
+ * remote.
*/
- if (!repository_format_partial_clone && filter_options.choice) {
+ if (filter_options.choice) {
partial_clone_register(remote->name, &filter_options);
return;
}
/*
- * We are currently limited to only ONE promisor remote and only
- * allow partial-fetches from the promisor remote.
- */
- if (strcmp(remote->name, repository_format_partial_clone)) {
- if (filter_options.choice)
- die(_("--filter can only be used with the remote "
- "configured in extensions.partialClone"));
- return;
- }
-
- /*
* Do a partial-fetch from the promisor remote using either the
* explicitly given filter-spec or inherit the filter-spec from
* the config.
*/
if (!filter_options.choice)
- partial_clone_get_default_filter_spec(&filter_options);
+ partial_clone_get_default_filter_spec(&filter_options, remote->name);
return;
}
@@ -1619,7 +1699,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
if (depth || deepen_since || deepen_not.nr)
deepen = 1;
- if (filter_options.choice && !repository_format_partial_clone)
+ if (filter_options.choice && !has_promisor_remote())
die("--filter can only be used when extensions.partialClone is set");
if (all) {
@@ -1653,7 +1733,7 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
}
if (remote) {
- if (filter_options.choice || repository_format_partial_clone)
+ if (filter_options.choice || has_promisor_remote())
fetch_one_setup_partial(remote);
result = fetch_one(remote, argc, argv, prune_tags_ok);
} else {
@@ -1680,13 +1760,29 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
string_list_clear(&list, 0);
+ prepare_repo_settings(the_repository);
+ if (the_repository->settings.fetch_write_commit_graph) {
+ int commit_graph_flags = COMMIT_GRAPH_WRITE_SPLIT;
+ struct split_commit_graph_opts split_opts;
+ memset(&split_opts, 0, sizeof(struct split_commit_graph_opts));
+
+ if (progress)
+ commit_graph_flags |= COMMIT_GRAPH_WRITE_PROGRESS;
+
+ write_commit_graph_reachable(get_object_directory(),
+ commit_graph_flags,
+ &split_opts);
+ }
+
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;
}