describe --contains: default to HEAD when no commit-ish is given

diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index 827a7d7e7625cd9ab8695dbca07924279f3068f2..185f86b2840d3337eac9fb2b17b260ca0c53fbab 100644 (file)
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -94,13 +94,10 @@ static unsigned int contains(mmfile_t *mf, regex_t *regexp, kwset_t kws)
                while (sz) {
                        struct kwsmatch kwsm;
                        size_t offset = kwsexec(kws, data, sz, &kwsm);
-                       const char *found;
                        if (offset == -1)
                                break;
-                       else
-                               found = data + offset;
-                       sz -= found - data + kwsm.size[0];
-                       data = found + kwsm.size[0];
+                       sz -= offset + kwsm.size[0];
+                       data += offset + kwsm.size[0];
                        cnt++;
                }
        }
@@ -205,7 +202,6 @@ void diffcore_pickaxe(struct diff_options *o)
 {
        const char *needle = o->pickaxe;
        int opts = o->pickaxe_opts;
-       unsigned long len = strlen(needle);
        regex_t regex, *regexp = NULL;
        kwset_t kws = NULL;
 
@@ -226,7 +222,7 @@ void diffcore_pickaxe(struct diff_options *o)
        } else {
                kws = kwsalloc(DIFF_OPT_TST(o, PICKAXE_IGNORE_CASE)
                               ? tolower_trans_tbl : NULL);
-               kwsincr(kws, needle, len);
+               kwsincr(kws, needle, strlen(needle));
                kwsprep(kws);
        }