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-rw-r--r--builtin/fetch.c79
1 files changed, 59 insertions, 20 deletions
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 3d978eb58e..025bc3e38d 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -36,7 +36,7 @@ static int prune = -1; /* unspecified */
static int all, append, dry_run, force, keep, multiple, update_head_ok, verbosity;
static int progress = -1, recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
-static int tags = TAGS_DEFAULT, unshallow;
+static int tags = TAGS_DEFAULT, unshallow, update_shallow;
static const char *depth;
static const char *upload_pack;
static struct strbuf default_rla = STRBUF_INIT;
@@ -44,6 +44,7 @@ static struct transport *gtransport;
static struct transport *gsecondary;
static const char *submodule_prefix = "";
static const char *recurse_submodules_default;
+static int shown_url = 0;
static int option_parse_recurse_submodules(const struct option *opt,
const char *arg, int unset)
@@ -104,6 +105,8 @@ static struct option builtin_fetch_options[] = {
{ OPTION_STRING, 0, "recurse-submodules-default",
&recurse_submodules_default, NULL,
N_("default mode for recursion"), PARSE_OPT_HIDDEN },
+ OPT_BOOL(0, "update-shallow", &update_shallow,
+ N_("accept refs that update .git/shallow")),
OPT_END()
};
@@ -192,7 +195,7 @@ static void find_non_local_tags(struct transport *transport,
for_each_ref(add_existing, &existing_refs);
for (ref = transport_get_remote_refs(transport); ref; ref = ref->next) {
- if (prefixcmp(ref->name, "refs/tags/"))
+ if (!starts_with(ref->name, "refs/tags/"))
continue;
/*
@@ -201,7 +204,7 @@ static void find_non_local_tags(struct transport *transport,
* to fetch then we can mark the ref entry in the list
* as one to ignore by setting util to NULL.
*/
- if (!suffixcmp(ref->name, "^{}")) {
+ if (ends_with(ref->name, "^{}")) {
if (item && !has_sha1_file(ref->old_sha1) &&
!will_fetch(head, ref->old_sha1) &&
!has_sha1_file(item->util) &&
@@ -431,7 +434,7 @@ static int update_local_ref(struct ref *ref,
}
if (!is_null_sha1(ref->old_sha1) &&
- !prefixcmp(ref->name, "refs/tags/")) {
+ starts_with(ref->name, "refs/tags/")) {
int r;
r = s_update_ref("updating tag", ref, 0);
strbuf_addf(display, "%c %-*s %-*s -> %s%s",
@@ -454,10 +457,10 @@ static int update_local_ref(struct ref *ref,
* more likely to follow a standard layout.
*/
const char *name = remote_ref ? remote_ref->name : "";
- if (!prefixcmp(name, "refs/tags/")) {
+ if (starts_with(name, "refs/tags/")) {
msg = "storing tag";
what = _("[new tag]");
- } else if (!prefixcmp(name, "refs/heads/")) {
+ } else if (starts_with(name, "refs/heads/")) {
msg = "storing head";
what = _("[new branch]");
} else {
@@ -523,6 +526,8 @@ static int iterate_ref_map(void *cb_data, unsigned char sha1[20])
struct ref **rm = cb_data;
struct ref *ref = *rm;
+ while (ref && ref->status == REF_STATUS_REJECT_SHALLOW)
+ ref = ref->next;
if (!ref)
return -1; /* end of the list */
*rm = ref->next;
@@ -535,7 +540,7 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
{
FILE *fp;
struct commit *commit;
- int url_len, i, shown_url = 0, rc = 0;
+ int url_len, i, rc = 0;
struct strbuf note = STRBUF_INIT;
const char *what, *kind;
struct ref *rm;
@@ -569,6 +574,13 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
struct ref *ref = NULL;
const char *merge_status_marker = "";
+ if (rm->status == REF_STATUS_REJECT_SHALLOW) {
+ if (want_status == FETCH_HEAD_MERGE)
+ warning(_("reject %s because shallow roots are not allowed to be updated"),
+ rm->peer_ref ? rm->peer_ref->name : rm->name);
+ continue;
+ }
+
commit = lookup_commit_reference_gently(rm->old_sha1, 1);
if (!commit)
rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE;
@@ -589,15 +601,15 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
kind = "";
what = "";
}
- else if (!prefixcmp(rm->name, "refs/heads/")) {
+ else if (starts_with(rm->name, "refs/heads/")) {
kind = "branch";
what = rm->name + 11;
}
- else if (!prefixcmp(rm->name, "refs/tags/")) {
+ else if (starts_with(rm->name, "refs/tags/")) {
kind = "tag";
what = rm->name + 10;
}
- else if (!prefixcmp(rm->name, "refs/remotes/")) {
+ else if (starts_with(rm->name, "refs/remotes/")) {
kind = "remote-tracking branch";
what = rm->name + 13;
}
@@ -708,17 +720,36 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map)
return ret;
}
-static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map)
+static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map,
+ const char *raw_url)
{
- int result = 0;
+ int url_len, i, result = 0;
struct ref *ref, *stale_refs = get_stale_heads(refs, ref_count, ref_map);
+ char *url;
const char *dangling_msg = dry_run
? _(" (%s will become dangling)")
: _(" (%s has become dangling)");
+ if (raw_url)
+ url = transport_anonymize_url(raw_url);
+ else
+ url = xstrdup("foreign");
+
+ url_len = strlen(url);
+ for (i = url_len - 1; url[i] == '/' && 0 <= i; i--)
+ ;
+
+ url_len = i + 1;
+ if (4 < i && !strncmp(".git", url + i - 3, 4))
+ url_len = i - 3;
+
for (ref = stale_refs; ref; ref = ref->next) {
if (!dry_run)
result |= delete_ref(ref->name, NULL, 0);
+ if (verbosity >= 0 && !shown_url) {
+ fprintf(stderr, _("From %.*s\n"), url_len, url);
+ shown_url = 1;
+ }
if (verbosity >= 0) {
fprintf(stderr, " x %-*s %-*s -> %s\n",
TRANSPORT_SUMMARY(_("[deleted]")),
@@ -726,6 +757,7 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map)
warn_dangling_symref(stderr, dangling_msg, ref->name);
}
}
+ free(url);
free_refs(stale_refs);
return result;
}
@@ -777,6 +809,8 @@ static struct transport *prepare_transport(struct remote *remote)
set_option(transport, TRANS_OPT_KEEP, "yes");
if (depth)
set_option(transport, TRANS_OPT_DEPTH, depth);
+ if (update_shallow)
+ set_option(transport, TRANS_OPT_UPDATE_SHALLOW, "yes");
return transport;
}
@@ -842,11 +876,6 @@ static int do_fetch(struct transport *transport,
if (tags == TAGS_DEFAULT && autotags)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
- if (fetch_refs(transport, ref_map)) {
- free_refs(ref_map);
- retcode = 1;
- goto cleanup;
- }
if (prune) {
/*
* We only prune based on refspecs specified
@@ -854,13 +883,19 @@ static int do_fetch(struct transport *transport,
* don't care whether --tags was specified.
*/
if (ref_count) {
- prune_refs(refs, ref_count, ref_map);
+ prune_refs(refs, ref_count, ref_map, transport->url);
} else {
prune_refs(transport->remote->fetch,
transport->remote->fetch_refspec_nr,
- ref_map);
+ ref_map,
+ transport->url);
}
}
+ if (fetch_refs(transport, ref_map)) {
+ free_refs(ref_map);
+ retcode = 1;
+ goto cleanup;
+ }
free_refs(ref_map);
/* if neither --no-tags nor --tags was specified, do automated tag
@@ -896,7 +931,7 @@ static int get_remote_group(const char *key, const char *value, void *priv)
{
struct remote_group_data *g = priv;
- if (!prefixcmp(key, "remotes.") &&
+ if (starts_with(key, "remotes.") &&
!strcmp(key + 8, g->name)) {
/* split list by white space */
int space = strcspn(value, " \t\n");
@@ -1079,6 +1114,10 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
}
}
+ /* no need to be strict, transport_set_option() will validate it again */
+ if (depth && atoi(depth) < 1)
+ die(_("depth %s is not a positive number"), depth);
+
if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
if (recurse_submodules_default) {
int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);