[PATCH v3 25/56] builtin/show-ref: rewrite to use object_id

["brian m. carlson" <sandals@xxxxxxxxxxxxxxxxxxxx>]

From: Michael Haggerty <mhagger@xxxxxxxxxxxx>

Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
Signed-off-by: brian m. carlson <sandals@xxxxxxxxxxxxxxxxxxxx>
---
 builtin/show-ref.c | 33 +++++++++++++++------------------
 1 file changed, 15 insertions(+), 18 deletions(-)

diff --git a/builtin/show-ref.c b/builtin/show-ref.c
index 8e25536..18f84fb 100644
--- a/builtin/show-ref.c
+++ b/builtin/show-ref.c
@@ -17,16 +17,17 @@ static int deref_tags, show_head, tags_only, heads_only, found_match, verify,
 static const char **pattern;
 static const char *exclude_existing_arg;
 
-static void show_one(const char *refname, const unsigned char *sha1)
+static void show_one(const char *refname, const struct object_id *oid)
 {
-	const char *hex = find_unique_abbrev(sha1, abbrev);
+	const char *hex = find_unique_abbrev(oid->hash, abbrev);
 	if (hash_only)
 		printf("%s\n", hex);
 	else
 		printf("%s %s\n", hex, refname);
 }
 
-static int show_ref(const char *refname, const unsigned char *sha1, int flag, void *cbdata)
+static int show_ref(const char *refname, const struct object_id *oid,
+		    int flag, void *cbdata)
 {
 	const char *hex;
 	unsigned char peeled[20];
@@ -69,14 +70,14 @@ match:
 	 * detect and return error if the repository is corrupt and
 	 * ref points at a nonexistent object.
 	 */
-	if (!has_sha1_file(sha1))
+	if (!has_sha1_file(oid->hash))
 		die("git show-ref: bad ref %s (%s)", refname,
-		    sha1_to_hex(sha1));
+		    oid_to_hex(oid));
 
 	if (quiet)
 		return 0;
 
-	show_one(refname, sha1);
+	show_one(refname, oid);
 
 	if (!deref_tags)
 		return 0;
@@ -88,7 +89,8 @@ match:
 	return 0;
 }
 
-static int add_existing(const char *refname, const unsigned char *sha1, int flag, void *cbdata)
+static int add_existing(const char *refname, const struct object_id *oid,
+			int flag, void *cbdata)
 {
 	struct string_list *list = (struct string_list *)cbdata;
 	string_list_insert(list, refname);
@@ -109,10 +111,8 @@ static int exclude_existing(const char *match)
 	static struct string_list existing_refs = STRING_LIST_INIT_DUP;
 	char buf[1024];
 	int matchlen = match ? strlen(match) : 0;
-	struct each_ref_fn_sha1_adapter wrapped_add_existing =
-		{add_existing, &existing_refs};
 
-	for_each_ref(each_ref_fn_adapter, &wrapped_add_existing);
+	for_each_ref(add_existing, &existing_refs);
 	while (fgets(buf, sizeof(buf), stdin)) {
 		char *ref;
 		int len = strlen(buf);
@@ -193,9 +193,6 @@ static const struct option show_ref_options[] = {
 
 int cmd_show_ref(int argc, const char **argv, const char *prefix)
 {
-	struct each_ref_fn_sha1_adapter wrapped_show_ref =
-		{show_ref, NULL};
-
 	if (argc == 2 && !strcmp(argv[1], "-h"))
 		usage_with_options(show_ref_usage, show_ref_options);
 
@@ -213,12 +210,12 @@ int cmd_show_ref(int argc, const char **argv, const char *prefix)
 		if (!pattern)
 			die("--verify requires a reference");
 		while (*pattern) {
-			unsigned char sha1[20];
+			struct object_id oid;
 
 			if (starts_with(*pattern, "refs/") &&
-			    !read_ref(*pattern, sha1)) {
+			    !read_ref(*pattern, oid.hash)) {
 				if (!quiet)
-					show_one(*pattern, sha1);
+					show_one(*pattern, &oid);
 			}
 			else if (!quiet)
 				die("'%s' - not a valid ref", *pattern);
@@ -230,8 +227,8 @@ int cmd_show_ref(int argc, const char **argv, const char *prefix)
 	}
 
 	if (show_head)
-		head_ref(each_ref_fn_adapter, &wrapped_show_ref);
-	for_each_ref(each_ref_fn_adapter, &wrapped_show_ref);
+		head_ref(show_ref, NULL);
+	for_each_ref(show_ref, NULL);
 	if (!found_match) {
 		if (verify && !quiet)
 			die("No match");
-- 
2.4.0

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