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-rw-r--r--builtin-fetch.c17
-rw-r--r--remote.c43
-rwxr-xr-xt/t5510-fetch.sh11
3 files changed, 49 insertions, 22 deletions
diff --git a/builtin-fetch.c b/builtin-fetch.c
index f871f2bfe8..2728860399 100644
--- a/builtin-fetch.c
+++ b/builtin-fetch.c
@@ -489,7 +489,8 @@ static int add_existing(const char *refname, const unsigned char *sha1,
int flag, void *cbdata)
{
struct string_list *list = (struct string_list *)cbdata;
- string_list_insert(refname, list);
+ struct string_list_item *item = string_list_insert(refname, list);
+ item->util = (void *)sha1;
return 0;
}
@@ -615,9 +616,14 @@ static void check_not_current_branch(struct ref *ref_map)
static int do_fetch(struct transport *transport,
struct refspec *refs, int ref_count)
{
+ struct string_list existing_refs = { NULL, 0, 0, 0 };
+ struct string_list_item *peer_item = NULL;
struct ref *ref_map;
struct ref *rm;
int autotags = (transport->remote->fetch_tags == 1);
+
+ for_each_ref(add_existing, &existing_refs);
+
if (transport->remote->fetch_tags == 2 && tags != TAGS_UNSET)
tags = TAGS_SET;
if (transport->remote->fetch_tags == -1)
@@ -640,8 +646,13 @@ static int do_fetch(struct transport *transport,
check_not_current_branch(ref_map);
for (rm = ref_map; rm; rm = rm->next) {
- if (rm->peer_ref)
- read_ref(rm->peer_ref->name, rm->peer_ref->old_sha1);
+ if (rm->peer_ref) {
+ peer_item = string_list_lookup(rm->peer_ref->name,
+ &existing_refs);
+ if (peer_item)
+ hashcpy(rm->peer_ref->old_sha1,
+ peer_item->util);
+ }
}
if (tags == TAGS_DEFAULT && autotags)
diff --git a/remote.c b/remote.c
index 73d33f2584..e0d17bb830 100644
--- a/remote.c
+++ b/remote.c
@@ -6,6 +6,7 @@
#include "revision.h"
#include "dir.h"
#include "tag.h"
+#include "string-list.h"
static struct refspec s_tag_refspec = {
0,
@@ -734,29 +735,33 @@ int for_each_remote(each_remote_fn fn, void *priv)
void ref_remove_duplicates(struct ref *ref_map)
{
- struct ref **posn;
- struct ref *next;
- for (; ref_map; ref_map = ref_map->next) {
+ struct string_list refs = { NULL, 0, 0, 0 };
+ struct string_list_item *item = NULL;
+ struct ref *prev = NULL, *next = NULL;
+ for (; ref_map; prev = ref_map, ref_map = next) {
+ next = ref_map->next;
if (!ref_map->peer_ref)
continue;
- posn = &ref_map->next;
- while (*posn) {
- if ((*posn)->peer_ref &&
- !strcmp((*posn)->peer_ref->name,
- ref_map->peer_ref->name)) {
- if (strcmp((*posn)->name, ref_map->name))
- die("%s tracks both %s and %s",
- ref_map->peer_ref->name,
- (*posn)->name, ref_map->name);
- next = (*posn)->next;
- free((*posn)->peer_ref);
- free(*posn);
- *posn = next;
- } else {
- posn = &(*posn)->next;
- }
+
+ item = string_list_lookup(ref_map->peer_ref->name, &refs);
+ if (item) {
+ if (strcmp(((struct ref *)item->util)->name,
+ ref_map->name))
+ die("%s tracks both %s and %s",
+ ref_map->peer_ref->name,
+ ((struct ref *)item->util)->name,
+ ref_map->name);
+ prev->next = ref_map->next;
+ free(ref_map->peer_ref);
+ free(ref_map);
+ ref_map = prev; /* skip this; we freed it */
+ continue;
}
+
+ item = string_list_insert(ref_map->peer_ref->name, &refs);
+ item->util = ref_map;
}
+ string_list_clear(&refs, 0);
}
int remote_has_url(struct remote *remote, const char *url)
diff --git a/t/t5510-fetch.sh b/t/t5510-fetch.sh
index d13c806624..169af1edde 100755
--- a/t/t5510-fetch.sh
+++ b/t/t5510-fetch.sh
@@ -341,4 +341,15 @@ test_expect_success 'fetch into the current branch with --update-head-ok' '
'
+test_expect_success "should be able to fetch with duplicate refspecs" '
+ mkdir dups &&
+ cd dups &&
+ git init &&
+ git config branch.master.remote three &&
+ git config remote.three.url ../three/.git &&
+ git config remote.three.fetch +refs/heads/*:refs/remotes/origin/* &&
+ git config --add remote.three.fetch +refs/heads/*:refs/remotes/origin/* &&
+ git fetch three
+'
+
test_done