object-store: move object access functions to object-store.h

diff --git a/builtin/mktag.c b/builtin/mktag.c
index 031b750f068dea5e1652129a5df6d684f6bca850..6fb7dc8578d68526c64179d7fc43aaa5a72445f6 100644 (file)
--- a/builtin/mktag.c
+++ b/builtin/mktag.c
@@ -1,5 +1,7 @@
 #include "builtin.h"
 #include "tag.h"
+#include "replace-object.h"
+#include "object-store.h"
 
 /*
  * A signature file has a very simple fixed format: four lines
@@ -18,17 +20,17 @@
 /*
  * We refuse to tag something we can't verify. Just because.
  */
-static int verify_object(const unsigned char *sha1, const char *expected_type)
+static int verify_object(const struct object_id *oid, const char *expected_type)
 {
        int ret = -1;
        enum object_type type;
        unsigned long size;
-       void *buffer = read_sha1_file(sha1, &type, &size);
-       const unsigned char *repl = lookup_replace_object(sha1);
+       void *buffer = read_object_file(oid, &type, &size);
+       const struct object_id *repl = lookup_replace_object(the_repository, oid);
 
        if (buffer) {
                if (type == type_from_string(expected_type))
-                       ret = check_sha1_signature(repl, buffer, size, expected_type);
+                       ret = check_object_signature(repl, buffer, size, expected_type);
                free(buffer);
        }
        return ret;
@@ -38,8 +40,8 @@ static int verify_tag(char *buffer, unsigned long size)
 {
        int typelen;
        char type[20];
-       unsigned char sha1[20];
-       const char *object, *type_line, *tag_line, *tagger_line, *lb, *rb;
+       struct object_id oid;
+       const char *object, *type_line, *tag_line, *tagger_line, *lb, *rb, *p;
        size_t len;
 
        if (size < 84)
@@ -52,11 +54,11 @@ static int verify_tag(char *buffer, unsigned long size)
        if (memcmp(object, "object ", 7))
                return error("char%d: does not start with \"object \"", 0);
 
-       if (get_sha1_hex(object + 7, sha1))
+       if (parse_oid_hex(object + 7, &oid, &p))
                return error("char%d: could not get SHA1 hash", 7);
 
        /* Verify type line */
-       type_line = object + 48;
+       type_line = p + 1;
        if (memcmp(type_line - 1, "\ntype ", 6))
                return error("char%d: could not find \"\\ntype \"", 47);
 
@@ -80,8 +82,8 @@ static int verify_tag(char *buffer, unsigned long size)
        type[typelen] = 0;
 
        /* Verify that the object matches */
-       if (verify_object(sha1, type))
-               return error("char%d: could not verify object %s", 7, sha1_to_hex(sha1));
+       if (verify_object(&oid, type))
+               return error("char%d: could not verify object %s", 7, oid_to_hex(&oid));
 
        /* Verify the tag-name: we don't allow control characters or spaces in it */
        tag_line += 4;
@@ -151,7 +153,7 @@ static int verify_tag(char *buffer, unsigned long size)
 int cmd_mktag(int argc, const char **argv, const char *prefix)
 {
        struct strbuf buf = STRBUF_INIT;
-       unsigned char result_sha1[20];
+       struct object_id result;
 
        if (argc != 1)
                usage("git mktag");
@@ -165,10 +167,10 @@ int cmd_mktag(int argc, const char **argv, const char *prefix)
        if (verify_tag(buf.buf, buf.len) < 0)
                die("invalid tag signature file");
 
-       if (write_sha1_file(buf.buf, buf.len, tag_type, result_sha1) < 0)
+       if (write_object_file(buf.buf, buf.len, tag_type, &result) < 0)
                die("unable to write tag file");
 
        strbuf_release(&buf);
-       printf("%s\n", sha1_to_hex(result_sha1));
+       printf("%s\n", oid_to_hex(&result));
        return 0;
 }