diff options
| -rw-r--r-- | remote.c | 13 | ||||
| -rwxr-xr-x | t/t5535-fetch-push-symref.sh | 42 |
2 files changed, 54 insertions, 1 deletions
@@ -1370,6 +1370,16 @@ int branch_merge_matches(struct branch *branch, return refname_match(branch->merge[i]->src, refname, ref_fetch_rules); } +static int ignore_symref_update(const char *refname) +{ + unsigned char sha1[20]; + int flag; + + if (!resolve_ref_unsafe(refname, sha1, 0, &flag)) + return 0; /* non-existing refs are OK */ + return (flag & REF_ISSYMREF); +} + static struct ref *get_expanded_map(const struct ref *remote_refs, const struct refspec *refspec) { @@ -1383,7 +1393,8 @@ static struct ref *get_expanded_map(const struct ref *remote_refs, if (strchr(ref->name, '^')) continue; /* a dereference item */ if (match_name_with_pattern(refspec->src, ref->name, - refspec->dst, &expn_name)) { + refspec->dst, &expn_name) && + !ignore_symref_update(expn_name)) { struct ref *cpy = copy_ref(ref); cpy->peer_ref = alloc_ref(expn_name); diff --git a/t/t5535-fetch-push-symref.sh b/t/t5535-fetch-push-symref.sh new file mode 100755 index 0000000000..8ed58d27f2 --- /dev/null +++ b/t/t5535-fetch-push-symref.sh @@ -0,0 +1,42 @@ +#!/bin/sh + +test_description='avoiding conflicting update thru symref aliasing' + +. ./test-lib.sh + +test_expect_success 'setup' ' + test_commit one && + git clone . src && + git clone src dst1 && + git clone src dst2 && + test_commit two && + ( cd src && git pull ) +' + +test_expect_success 'push' ' + ( + cd src && + git push ../dst1 "refs/remotes/*:refs/remotes/*" + ) && + git ls-remote src "refs/remotes/*" >expect && + git ls-remote dst1 "refs/remotes/*" >actual && + test_cmp expect actual && + ( cd src && git symbolic-ref refs/remotes/origin/HEAD ) >expect && + ( cd dst1 && git symbolic-ref refs/remotes/origin/HEAD ) >actual && + test_cmp expect actual +' + +test_expect_success 'fetch' ' + ( + cd dst2 && + git fetch ../src "refs/remotes/*:refs/remotes/*" + ) && + git ls-remote src "refs/remotes/*" >expect && + git ls-remote dst2 "refs/remotes/*" >actual && + test_cmp expect actual && + ( cd src && git symbolic-ref refs/remotes/origin/HEAD ) >expect && + ( cd dst2 && git symbolic-ref refs/remotes/origin/HEAD ) >actual && + test_cmp expect actual +' + +test_done |