symbolic ref: refuse non-ref targets in HEAD

diff --git a/ctype.c b/ctype.c
index d2bd38e9013cdf5c4ab15dbb1770e94e5d6ed2cb..9208d674dbc081878532f08d2eddfc66c6a2e327 100644 (file)
--- a/ctype.c
+++ b/ctype.c
@@ -9,18 +9,20 @@
 #undef SS
 #undef AA
 #undef DD
+#undef GS
 
 #define SS GIT_SPACE
 #define AA GIT_ALPHA
 #define DD GIT_DIGIT
+#define GS GIT_SPECIAL  /* \0, *, ?, [, \\ */
 
 unsigned char sane_ctype[256] = {
-        0,  0,  0,  0,  0,  0,  0,  0,  0, SS, SS,  0,  0, SS,  0,  0,         /* 0-15 */
+       GS,  0,  0,  0,  0,  0,  0,  0,  0, SS, SS,  0,  0, SS,  0,  0,         /* 0-15 */
         0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,         /* 16-15 */
-       SS,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,         /* 32-15 */
-       DD, DD, DD, DD, DD, DD, DD, DD, DD, DD,  0,  0,  0,  0,  0,  0,         /* 48-15 */
+       SS,  0,  0,  0,  0,  0,  0,  0,  0,  0, GS,  0,  0,  0,  0,  0,         /* 32-15 */
+       DD, DD, DD, DD, DD, DD, DD, DD, DD, DD,  0,  0,  0,  0,  0, GS,         /* 48-15 */
         0, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA,         /* 64-15 */
-       AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA,  0,  0,  0,  0,  0,         /* 80-15 */
+       AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, GS, GS,  0,  0,  0,         /* 80-15 */
         0, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA,         /* 96-15 */
        AA, AA, AA, AA, AA, AA, AA, AA, AA, AA, AA,  0,  0,  0,  0,  0,         /* 112-15 */
        /* Nothing in the 128.. range */