diff: convert fill_filespec to struct object_id

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/blame.c

@@ -163,7 +163,7 @@ int textconv_object(const char *path,
 	struct userdiff_driver *textconv;
 
 	df = alloc_filespec(path);
-	fill_filespec(df, oid->hash, oid_valid, mode);
+	fill_filespec(df, oid, oid_valid, mode);
 	textconv = get_textconv(df);
 	if (!textconv) {
 		free_filespec(df);

builtin/diff.c

@@ -57,8 +57,8 @@ static void stuff_change(struct diff_options *opt,
 
 	one = alloc_filespec(old_name);
 	two = alloc_filespec(new_name);
-	fill_filespec(one, old_oid->hash, old_oid_valid, old_mode);
+	fill_filespec(one, old_oid, old_oid_valid, old_mode);
-	fill_filespec(two, new_oid->hash, new_oid_valid, new_mode);
+	fill_filespec(two, new_oid, new_oid_valid, new_mode);
 
 	diff_queue(&diff_queued_diff, one, two);
 }

combine-diff.c

@@ -302,7 +302,7 @@ static char *grab_blob(const struct object_id *oid, unsigned int mode,
 		return xcalloc(1, 1);
 	} else if (textconv) {
 		struct diff_filespec *df = alloc_filespec(path);
-		fill_filespec(df, oid->hash, 1, mode);
+		fill_filespec(df, oid, 1, mode);
 		*size = fill_textconv(textconv, df, &blob);
 		free_filespec(df);
 	} else {
@@ -1022,7 +1022,7 @@ static void show_patch_diff(struct combine_diff_path *elem, int num_parent,
 						   &result_size, NULL, NULL);
 		} else if (textconv) {
 			struct diff_filespec *df = alloc_filespec(elem->path);
-			fill_filespec(df, null_sha1, 0, st.st_mode);
+			fill_filespec(df, &null_oid, 0, st.st_mode);
 			result_size = fill_textconv(textconv, df, &result);
 			free_filespec(df);
 		} else if (0 <= (fd = open(elem->path, O_RDONLY))) {

diff-lib.c

@@ -409,7 +409,7 @@ static void do_oneway_diff(struct unpack_trees_options *o,
 		struct diff_filepair *pair;
 		pair = diff_unmerge(&revs->diffopt, idx->name);
 		if (tree)
-			fill_filespec(pair->one, tree->oid.hash, 1,
+			fill_filespec(pair->one, &tree->oid, 1,
 				      tree->ce_mode);
 		return;
 	}

diff-no-index.c

@@ -82,7 +82,7 @@ static struct diff_filespec *noindex_filespec(const char *name, int mode)
 	if (!name)
 		name = "/dev/null";
 	s = alloc_filespec(name);
-	fill_filespec(s, null_sha1, 0, mode);
+	fill_filespec(s, &null_oid, 0, mode);
 	if (name == file_from_standard_input)
 		populate_from_stdin(s);
 	return s;

diff.c

@@ -2702,13 +2702,13 @@ void free_filespec(struct diff_filespec *spec)
 	}
 }
 
-void fill_filespec(struct diff_filespec *spec, const unsigned char *sha1,
+void fill_filespec(struct diff_filespec *spec, const struct object_id *oid,
-		   int sha1_valid, unsigned short mode)
+		   int oid_valid, unsigned short mode)
 {
 	if (mode) {
 		spec->mode = canon_mode(mode);
-		hashcpy(spec->oid.hash, sha1);
+		oidcpy(&spec->oid, oid);
-		spec->oid_valid = sha1_valid;
+		spec->oid_valid = oid_valid;
 	}
 }
 
@@ -5114,9 +5114,9 @@ void diff_addremove(struct diff_options *options,
 	two = alloc_filespec(concatpath);
 
 	if (addremove != '+')
-		fill_filespec(one, oid->hash, oid_valid, mode);
+		fill_filespec(one, oid, oid_valid, mode);
 	if (addremove != '-') {
-		fill_filespec(two, oid->hash, oid_valid, mode);
+		fill_filespec(two, oid, oid_valid, mode);
 		two->dirty_submodule = dirty_submodule;
 	}
 
@@ -5153,8 +5153,8 @@ void diff_change(struct diff_options *options,
 
 	one = alloc_filespec(concatpath);
 	two = alloc_filespec(concatpath);
-	fill_filespec(one, old_oid->hash, old_oid_valid, old_mode);
+	fill_filespec(one, old_oid, old_oid_valid, old_mode);
-	fill_filespec(two, new_oid->hash, new_oid_valid, new_mode);
+	fill_filespec(two, new_oid, new_oid_valid, new_mode);
 	one->dirty_submodule = old_dirty_submodule;
 	two->dirty_submodule = new_dirty_submodule;
 	p = diff_queue(&diff_queued_diff, one, two);

diffcore-rename.c

@@ -60,7 +60,7 @@ static int add_rename_dst(struct diff_filespec *two)
 		memmove(rename_dst + first + 1, rename_dst + first,
 			(rename_dst_nr - first - 1) * sizeof(*rename_dst));
 	rename_dst[first].two = alloc_filespec(two->path);
-	fill_filespec(rename_dst[first].two, two->oid.hash, two->oid_valid,
+	fill_filespec(rename_dst[first].two, &two->oid, two->oid_valid,
 		      two->mode);
 	rename_dst[first].pair = NULL;
 	return 0;

diffcore.h

@@ -52,7 +52,7 @@ struct diff_filespec {
 
 extern struct diff_filespec *alloc_filespec(const char *);
 extern void free_filespec(struct diff_filespec *);
-extern void fill_filespec(struct diff_filespec *, const unsigned char *,
+extern void fill_filespec(struct diff_filespec *, const struct object_id *,
 			  int, unsigned short);
 
 #define CHECK_SIZE_ONLY 1

grep.c

@@ -1407,7 +1407,7 @@ static int fill_textconv_grep(struct userdiff_driver *driver,
 		fill_filespec(df, gs->identifier, 1, 0100644);
 		break;
 	case GREP_SOURCE_FILE:
-		fill_filespec(df, null_sha1, 0, 0100644);
+		fill_filespec(df, &null_oid, 0, 0100644);
 		break;
 	default:
 		die("BUG: attempt to textconv something without a path?");

line-log.c

@@ -500,12 +500,12 @@ static struct commit *check_single_commit(struct rev_info *revs)
 static void fill_blob_sha1(struct commit *commit, struct diff_filespec *spec)
 {
 	unsigned mode;
-	unsigned char sha1[20];
+	struct object_id oid;
 
 	if (get_tree_entry(commit->object.oid.hash, spec->path,
-			   sha1, &mode))
+			   oid.hash, &mode))
 		die("There is no path %s in the commit", spec->path);
-	fill_filespec(spec, sha1, 1, mode);
+	fill_filespec(spec, &oid, 1, mode);
 
 	return;
 }