add: error appropriately on repository with no commits

diff --git a/builtin/fetch-pack.c b/builtin/fetch-pack.c
index 2cea218fed570cc25a67397dcab2cf081004357d..153a2bd282cac47ba72c101eaf0ca1b867d3f2cd 100644 (file)
--- a/builtin/fetch-pack.c
+++ b/builtin/fetch-pack.c
@@ -16,13 +16,14 @@ static void add_sought_entry(struct ref ***sought, int *nr, int *alloc,
 {
        struct ref *ref;
        struct object_id oid;
+       const char *p;
 
-       if (!get_oid_hex(name, &oid)) {
-               if (name[GIT_SHA1_HEXSZ] == ' ') {
-                       /* <sha1> <ref>, find refname */
-                       name += GIT_SHA1_HEXSZ + 1;
-               } else if (name[GIT_SHA1_HEXSZ] == '\0') {
-                       ; /* <sha1>, leave sha1 as name */
+       if (!parse_oid_hex(name, &oid, &p)) {
+               if (*p == ' ') {
+                       /* <oid> <ref>, find refname */
+                       name = p + 1;
+               } else if (*p == '\0') {
+                       ; /* <oid>, leave oid as name */
                } else {
                        /* <ref>, clear cruft from oid */
                        oidclr(&oid);
@@ -217,7 +218,8 @@ int cmd_fetch_pack(int argc, const char **argv, const char *prefix)
 
        packet_reader_init(&reader, fd[0], NULL, 0,
                           PACKET_READ_CHOMP_NEWLINE |
-                          PACKET_READ_GENTLE_ON_EOF);
+                          PACKET_READ_GENTLE_ON_EOF |
+                          PACKET_READ_DIE_ON_ERR_PACKET);
 
        version = discover_version(&reader);
        switch (version) {