From 09bdff29e1b73ce264c7ddc3e19e1269ee7c610e Mon Sep 17 00:00:00 2001
From: "brian m. carlson" <sandals@crustytoothpaste.net>
Date: Fri, 24 Jun 2016 23:09:29 +0000
Subject: diff: convert prep_temp_blob() to struct object_id

All of the callers of this function use struct object_id, so convert it
to use struct object_id in its arguments and internally.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/diff.c b/diff.c
index 9abb54a..8cdfdf3 100644
--- a/diff.c
+++ b/diff.c
@@ -2866,7 +2866,7 @@ void diff_free_filespec_data(struct diff_filespec *s)
 static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
 			   void *blob,
 			   unsigned long size,
-			   const unsigned char *sha1,
+			   const struct object_id *oid,
 			   int mode)
 {
 	int fd;
@@ -2891,7 +2891,7 @@ static void prep_temp_blob(const char *path, struct diff_tempfile *temp,
 		die_errno("unable to write temp-file");
 	close_tempfile(&temp->tempfile);
 	temp->name = get_tempfile_path(&temp->tempfile);
-	sha1_to_hex_r(temp->hex, sha1);
+	oid_to_hex_r(temp->hex, oid);
 	xsnprintf(temp->mode, sizeof(temp->mode), "%06o", mode);
 	strbuf_release(&buf);
 	strbuf_release(&template);
@@ -2929,7 +2929,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
 				die_errno("readlink(%s)", name);
 			prep_temp_blob(name, temp, sb.buf, sb.len,
 				       (one->oid_valid ?
-					one->oid.hash : null_sha1),
+					&one->oid : &null_oid),
 				       (one->oid_valid ?
 					one->mode : S_IFLNK));
 			strbuf_release(&sb);
@@ -2955,7 +2955,7 @@ static struct diff_tempfile *prepare_temp_file(const char *name,
 		if (diff_populate_filespec(one, 0))
 			die("cannot read data blob for %s", one->path);
 		prep_temp_blob(name, temp, one->data, one->size,
-			       one->oid.hash, one->mode);
+			       &one->oid, one->mode);
 	}
 	return temp;
 }
-- 
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