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authorJeff King <peff@peff.net>2017-03-02 03:23:14 -0500
committerJunio C Hamano <gitster@pobox.com>2017-03-02 11:05:04 -0800
commit7d5c960bf6f98601dce992f1ffaf4c7ab932e6dc (patch)
treee6a326da070df9f1a378400b4e58ef7839653a08 /sha1_name.c
parent6b145e016aaf512d0026cbd2c78fa28476f043b4 (diff)
downloadgit-7d5c960bf6f98601dce992f1ffaf4c7ab932e6dc.tar.gz
git-7d5c960bf6f98601dce992f1ffaf4c7ab932e6dc.tar.xz
strbuf_check_ref_format(): expand only local branches
This function asks strbuf_branchname() to expand any @-marks in the branchname, and then we blindly stick refs/heads/ in front of the result. This is obviously nonsense if the expansion is "HEAD" or a ref in refs/remotes/. The most obvious end-user effect is that creating or renaming a branch with an expansion may have confusing results (e.g., creating refs/heads/origin/master from "@{upstream}" when the operation should be disallowed). We can fix this by telling strbuf_branchname() that we are only interested in local expansions. Any unexpanded bits are then fed to check_ref_format(), which either disallows them (in the case of "@{upstream}") or lets them through ("refs/heads/@" is technically valid, if a bit silly). Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'sha1_name.c')
-rw-r--r--sha1_name.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sha1_name.c b/sha1_name.c
index 7f754b60c..26ceec1d7 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -1319,7 +1319,7 @@ void strbuf_branchname(struct strbuf *sb, const char *name, unsigned allowed)
int strbuf_check_branch_ref(struct strbuf *sb, const char *name)
{
- strbuf_branchname(sb, name, 0);
+ strbuf_branchname(sb, name, INTERPRET_BRANCH_LOCAL);
if (name[0] == '-')
return -1;
strbuf_splice(sb, 0, 0, "refs/heads/", 11);