fast-export: convert sha1 to oid

Rename anonymize_sha1() to anonymize_oid(() and change its signature,
and switch from sha1_to_hex() to oid_to_hex() and from GIT_SHA1_RAWSZ to
the_hash_algo->rawsz.  Also change a comment and a die string to mention
oid instead of sha1.

Signed-off-by: Elijah Newren <newren@gmail.com>
Acked-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index 456797c12a41a468a0b6dd25153403f6cfd7bb2f..f5166ac71e9c635be52baf9e27dfdf0856230945 100644 (file)
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -243,7 +243,7 @@ static void export_blob(const struct object_id *oid)
                if (!buf)
                        die("could not read blob %s", oid_to_hex(oid));
                if (check_object_signature(oid, buf, size, type_name(type)) < 0)
-                       die("sha1 mismatch in blob %s", oid_to_hex(oid));
+                       die("oid mismatch in blob %s", oid_to_hex(oid));
                object = parse_object_buffer(the_repository, oid, type,
                                             size, buf, &eaten);
        }
@@ -330,17 +330,18 @@ static void print_path(const char *path)
 
 static void *generate_fake_oid(const void *old, size_t *len)
 {
-       static uint32_t counter = 1; /* avoid null sha1 */
-       unsigned char *out = xcalloc(GIT_SHA1_RAWSZ, 1);
-       put_be32(out + GIT_SHA1_RAWSZ - 4, counter++);
+       static uint32_t counter = 1; /* avoid null oid */
+       const unsigned hashsz = the_hash_algo->rawsz;
+       unsigned char *out = xcalloc(hashsz, 1);
+       put_be32(out + hashsz - 4, counter++);
        return out;
 }
 
-static const unsigned char *anonymize_sha1(const struct object_id *oid)
+static const struct object_id *anonymize_oid(const struct object_id *oid)
 {
-       static struct hashmap sha1s;
-       size_t len = GIT_SHA1_RAWSZ;
-       return anonymize_mem(&sha1s, generate_fake_oid, oid, &len);
+       static struct hashmap objs;
+       size_t len = the_hash_algo->rawsz;
+       return anonymize_mem(&objs, generate_fake_oid, oid, &len);
 }
 
 static void show_filemodify(struct diff_queue_struct *q,
@@ -399,9 +400,9 @@ static void show_filemodify(struct diff_queue_struct *q,
                         */
                        if (no_data || S_ISGITLINK(spec->mode))
                                printf("M %06o %s ", spec->mode,
-                                      sha1_to_hex(anonymize ?
-                                                  anonymize_sha1(&spec->oid) :
-                                                  spec->oid.hash));
+                                      oid_to_hex(anonymize ?
+                                                 anonymize_oid(&spec->oid) :
+                                                 &spec->oid));
                        else {
                                struct object *object = lookup_object(the_repository,
                                                                      spec->oid.hash);
@@ -988,7 +989,7 @@ static void handle_deletes(void)
                        continue;
 
                printf("reset %s\nfrom %s\n\n",
-                               refspec->dst, sha1_to_hex(null_sha1));
+                               refspec->dst, oid_to_hex(&null_oid));
        }
 }