Merge branch 'cc/replace'

* cc/replace:
  t6050: check pushing something based on a replaced commit
  Documentation: add documentation for "git replace"
  Add git-replace to .gitignore
  builtin-replace: use "usage_msg_opt" to give better error messages
  parse-options: add new function "usage_msg_opt"
  builtin-replace: teach "git replace" to actually replace
  Add new "git replace" command
  environment: add global variable to disable replacement
  mktag: call "check_sha1_signature" with the replacement sha1
  replace_object: add a test case
  object: call "check_sha1_signature" with the replacement sha1
  sha1_file: add a "read_sha1_file_repl" function
  replace_object: add mechanism to replace objects found in "refs/replace/"
  refs: add a "for_each_replace_ref" function

1 files changed, 4 insertions, 3 deletions

diff --git a/mktag.c b/mktag.c
index a609e3ebd..a3b4270c1 100644
--- a/mktag.c
+++ b/mktag.c
@@ -19,16 +19,17 @@
 /*
  * We refuse to tag something we can't verify. Just because.
  */
-static int verify_object(unsigned char *sha1, const char *expected_type)
+static int verify_object(const unsigned char *sha1, 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;
+	void *buffer = read_sha1_file_repl(sha1, &type, &size, &repl);
 
 	if (buffer) {
 		if (type == type_from_string(expected_type))
-			ret = check_sha1_signature(sha1, buffer, size, expected_type);
+			ret = check_sha1_signature(repl, buffer, size, expected_type);
 		free(buffer);
 	}
 	return ret;