builtin/merge: switch to use the_hash_algo

Switch uses of GIT_SHA1_HEXSZ to use the_hash_algo instead. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>

brian m. carlson committed Jul 16, 2018 at 01:28 UTC ab47df2d9a1d07380a02c9be2c57bca1cfbb054e
1 file changed +6 -5
builtin/merge.c
+6 -5
@@ -1034,6 +1034,7 @@ static void handle_fetch_head(struct commit_list **remotes, struct strbuf *merge
1034 const char *filename;
1035 int fd, pos, npos;
1036 struct strbuf fetch_head_file = STRBUF_INIT;
1037 + const unsigned hexsz = the_hash_algo->hexsz;
1038
1039 if (!merge_names)
1040 merge_names = &fetch_head_file;
@@ -1059,16 +1060,16 @@ static void handle_fetch_head(struct commit_list **remotes, struct strbuf *merge
1060 else
1061 npos = merge_names->len;
1062
1062 - if (npos - pos < GIT_SHA1_HEXSZ + 2 ||
1063 + if (npos - pos < hexsz + 2 ||
1064 get_oid_hex(merge_names->buf + pos, &oid))
1065 commit = NULL; /* bad */
1065 - else if (memcmp(merge_names->buf + pos + GIT_SHA1_HEXSZ, "\t\t", 2))
1066 + else if (memcmp(merge_names->buf + pos + hexsz, "\t\t", 2))
1067 continue; /* not-for-merge */
1068 else {
1068 - char saved = merge_names->buf[pos + GIT_SHA1_HEXSZ];
1069 - merge_names->buf[pos + GIT_SHA1_HEXSZ] = '\0';
1069 + char saved = merge_names->buf[pos + hexsz];
1070 + merge_names->buf[pos + hexsz] = '\0';
1071 commit = get_merge_parent(merge_names->buf + pos);
1071 - merge_names->buf[pos + GIT_SHA1_HEXSZ] = saved;
1072 + merge_names->buf[pos + hexsz] = saved;
1073 }
1074 if (!commit) {
1075 if (ptr)