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Diffstat (limited to 'sha1_name.c')
-rw-r--r--sha1_name.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/sha1_name.c b/sha1_name.c
index c7f1510ef..00fc41517 100644
--- a/sha1_name.c
+++ b/sha1_name.c
@@ -881,8 +881,28 @@ int interpret_branch_name(const char *name, struct strbuf *buf)
if (!len)
return len; /* syntax Ok, not enough switches */
- if (0 < len)
- return len; /* consumed from the front */
+ if (0 < len && len == namelen)
+ return len; /* consumed all */
+ else if (0 < len) {
+ /* we have extra data, which might need further processing */
+ struct strbuf tmp = STRBUF_INIT;
+ int used = buf->len;
+ int ret;
+
+ strbuf_add(buf, name + len, namelen - len);
+ ret = interpret_branch_name(buf->buf, &tmp);
+ /* that data was not interpreted, remove our cruft */
+ if (ret < 0) {
+ strbuf_setlen(buf, used);
+ return len;
+ }
+ strbuf_reset(buf);
+ strbuf_addbuf(buf, &tmp);
+ strbuf_release(&tmp);
+ /* tweak for size of {-N} versus expanded ref name */
+ return ret - used + len;
+ }
+
cp = strchr(name, '@');
if (!cp)
return -1;