#!/bin/sh # # Copyright (c) 2009, Red Hat Inc, Author: Michael S. Tsirkin (mst@redhat.com) # test_description='test clone --reference' . ./test-lib.sh base_dir=$(pwd) test_alternate_is_used () { alternates_file="$1" && working_dir="$2" && test_line_count = 1 "$alternates_file" && echo "0 objects, 0 kilobytes" >expect && git -C "$working_dir" count-objects >actual && test_cmp expect actual } test_expect_success 'preparing first repository' ' test_create_repo A && ( cd A && echo first >file1 && git add file1 && git commit -m A-initial ) ' test_expect_success 'preparing second repository' ' git clone A B && ( cd B && echo second >file2 && git add file2 && git commit -m B-addition && git repack -a -d && git prune ) ' test_expect_success 'preparing superproject' ' test_create_repo super && ( cd super && echo file >file && git add file && git commit -m B-super-initial ) ' test_expect_success 'submodule add --reference uses alternates' ' ( cd super && git submodule add --reference ../B "file://$base_dir/A" sub && git commit -m B-super-added && git repack -ad ) && test_alternate_is_used super/.git/modules/sub/objects/info/alternates super/sub ' test_expect_success 'that reference gets used with add' ' ( cd super/sub && echo "0 objects, 0 kilobytes" >expected && git count-objects >current && diff expected current ) ' # The tests up to this point, and repositories created by them # (A, B, super and super/sub), are about setting up the stage # for subsequent tests and meant to be kept throughout the # remainder of the test. # Tests from here on, if they create their own test repository, # are expected to clean after themselves. test_expect_success 'updating superproject keeps alternates' ' test_when_finished "rm -rf super-clone" && git clone super super-clone && git -C super-clone submodule update --init --reference ../B && test_alternate_is_used super-clone/.git/modules/sub/objects/info/alternates super-clone/sub ' test_expect_success 'submodules use alternates when cloning a superproject' ' test_when_finished "rm -rf super-clone" && git clone --reference super --recursive super super-clone && ( cd super-clone && # test superproject has alternates setup correctly test_alternate_is_used .git/objects/info/alternates . && # test submodule has correct setup test_alternate_is_used .git/modules/sub/objects/info/alternates sub ) ' test_expect_success 'missing submodule alternate fails clone and submodule update' ' test_when_finished "rm -rf super-clone" && git clone super super2 && test_must_fail git clone --recursive --reference super2 super2 super-clone && ( cd super-clone && # test superproject has alternates setup correctly test_alternate_is_used .git/objects/info/alternates . && # update of the submodule succeeds test_must_fail git submodule update --init && # and we have no alternates: test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub && test_must_fail test_path_is_file sub/file1 ) ' test_expect_success 'ignoring missing submodule alternates passes clone and submodule update' ' test_when_finished "rm -rf super-clone" && git clone --reference-if-able super2 --recursive super2 super-clone && ( cd super-clone && # test superproject has alternates setup correctly test_alternate_is_used .git/objects/info/alternates . && # update of the submodule succeeds git submodule update --init && # and we have no alternates: test_must_fail test_alternate_is_used .git/modules/sub/objects/info/alternates sub && test_path_is_file sub/file1 ) ' test_done