archive: convert sha1_file_to_archive to struct object_id

Convert this function to take a pointer to struct object_id and rename
it object_file_to_archive.

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

archive-tar.c

@@ -281,7 +281,7 @@ static int write_tar_entry(struct archiver_args *args,
 		buffer = NULL;
 	else if (S_ISLNK(mode) || S_ISREG(mode)) {
 		enum object_type type;
-		buffer = sha1_file_to_archive(args, path, oid->hash, old_mode, &type, &size);
+		buffer = object_file_to_archive(args, path, oid, old_mode, &type, &size);
 		if (!buffer)
 			return error("cannot read %s", oid_to_hex(oid));
 	} else {

archive-zip.c

@@ -344,8 +344,8 @@ static int write_zip_entry(struct archiver_args *args,
 			flags |= ZIP_STREAM;
 			out = buffer = NULL;
 		} else {
-			buffer = sha1_file_to_archive(args, path, oid->hash, mode,
-						      &type, &size);
+			buffer = object_file_to_archive(args, path, oid, mode,
+							&type, &size);
 			if (!buffer)
 				return error("cannot read %s",
 					     oid_to_hex(oid));

archive.c

@@ -63,16 +63,16 @@ static void format_subst(const struct commit *commit,
 	free(to_free);
 }
 
-void *sha1_file_to_archive(const struct archiver_args *args,
-			   const char *path, const unsigned char *sha1,
-			   unsigned int mode, enum object_type *type,
-			   unsigned long *sizep)
+void *object_file_to_archive(const struct archiver_args *args,
+			     const char *path, const struct object_id *oid,
+			     unsigned int mode, enum object_type *type,
+			     unsigned long *sizep)
 {
 	void *buffer;
 	const struct commit *commit = args->convert ? args->commit : NULL;
 
 	path += args->baselen;
-	buffer = read_sha1_file(sha1, type, sizep);
+	buffer = read_sha1_file(oid->hash, type, sizep);
 	if (buffer && S_ISREG(mode)) {
 		struct strbuf buf = STRBUF_INIT;
 		size_t size = 0;

archive.h

@@ -39,9 +39,9 @@ extern int write_archive_entries(struct archiver_args *args, write_archive_entry
 extern int write_archive(int argc, const char **argv, const char *prefix, const char *name_hint, int remote);
 
 const char *archive_format_from_filename(const char *filename);
-extern void *sha1_file_to_archive(const struct archiver_args *args,
-				  const char *path, const unsigned char *sha1,
-				  unsigned int mode, enum object_type *type,
-				  unsigned long *sizep);
+extern void *object_file_to_archive(const struct archiver_args *args,
+				    const char *path, const struct object_id *oid,
+				    unsigned int mode, enum object_type *type,
+				    unsigned long *sizep);
 
 #endif	/* ARCHIVE_H */