[PATCH 14/31] builtin/am: make hash size independent

["brian m. carlson" <sandals@crustytoothpaste.net>]

Instead of using GIT_SHA1_HEXSZ, switch to using the_hash_algo and
parse_oid_hex to parse the lines involved in rebasing notes.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
---
 builtin/am.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/builtin/am.c b/builtin/am.c
index 58a2aef28b..584baf1c7e 100644
--- a/builtin/am.c
+++ b/builtin/am.c
@@ -485,23 +485,24 @@ static int copy_notes_for_rebase(const struct am_state *state)
 
 	while (!strbuf_getline_lf(&sb, fp)) {
 		struct object_id from_obj, to_obj;
+		const char *p;
 
-		if (sb.len != GIT_SHA1_HEXSZ * 2 + 1) {
+		if (sb.len != the_hash_algo->hexsz * 2 + 1) {
 			ret = error(invalid_line, sb.buf);
 			goto finish;
 		}
 
-		if (get_oid_hex(sb.buf, &from_obj)) {
+		if (parse_oid_hex(sb.buf, &from_obj, &p)) {
 			ret = error(invalid_line, sb.buf);
 			goto finish;
 		}
 
-		if (sb.buf[GIT_SHA1_HEXSZ] != ' ') {
+		if (*p != ' ') {
 			ret = error(invalid_line, sb.buf);
 			goto finish;
 		}
 
-		if (get_oid_hex(sb.buf + GIT_SHA1_HEXSZ + 1, &to_obj)) {
+		if (get_oid_hex(p + 1, &to_obj)) {
 			ret = error(invalid_line, sb.buf);
 			goto finish;
 		}