| #!/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 'submodule add --reference with --dissociate does not use alternates' ' |
| ( |
| cd super && |
| git submodule add --reference ../B --dissociate "file://$base_dir/A" sub-dissociate && |
| git commit -m B-super-added && |
| git repack -ad |
| ) && |
| test_path_is_missing super/.git/modules/sub-dissociate/objects/info/alternates |
| ' |
| |
| 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 'updating superproject with --dissociate does not keep alternates' ' |
| test_when_finished "rm -rf super-clone" && |
| git clone super super-clone && |
| git -C super-clone submodule update --init --reference ../B --dissociate && |
| test_path_is_missing super-clone/.git/modules/sub/objects/info/alternates |
| ' |
| |
| 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_path_is_missing .git/modules/sub/objects/info/alternates && |
| test_path_is_missing 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_path_is_missing .git/modules/sub/objects/info/alternates && |
| test_path_is_file sub/file1 |
| ) |
| ' |
| |
| test_expect_success 'preparing second superproject with a nested submodule plus partial clone' ' |
| test_create_repo supersuper && |
| ( |
| cd supersuper && |
| echo "I am super super." >file && |
| git add file && |
| git commit -m B-super-super-initial && |
| git submodule add "file://$base_dir/super" subwithsub && |
| git commit -m B-super-super-added && |
| git submodule update --init --recursive && |
| git repack -ad |
| ) && |
| git clone supersuper supersuper2 && |
| ( |
| cd supersuper2 && |
| git submodule update --init |
| ) |
| ' |
| |
| # At this point there are three root-level positories: A, B, super and super2 |
| |
| test_expect_success 'nested submodule alternate in works and is actually used' ' |
| test_when_finished "rm -rf supersuper-clone" && |
| git clone --recursive --reference supersuper supersuper supersuper-clone && |
| ( |
| cd supersuper-clone && |
| # test superproject has alternates setup correctly |
| test_alternate_is_used .git/objects/info/alternates . && |
| # immediate submodule has alternate: |
| test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && |
| # nested submodule also has alternate: |
| test_alternate_is_used .git/modules/subwithsub/modules/sub/objects/info/alternates subwithsub/sub |
| ) |
| ' |
| |
| check_that_two_of_three_alternates_are_used() { |
| test_alternate_is_used .git/objects/info/alternates . && |
| # immediate submodule has alternate: |
| test_alternate_is_used .git/modules/subwithsub/objects/info/alternates subwithsub && |
| # but nested submodule has no alternate: |
| test_path_is_missing .git/modules/subwithsub/modules/sub/objects/info/alternates |
| } |
| |
| |
| test_expect_success 'missing nested submodule alternate fails clone and submodule update' ' |
| test_when_finished "rm -rf supersuper-clone" && |
| test_must_fail git clone --recursive --reference supersuper2 supersuper2 supersuper-clone && |
| ( |
| cd supersuper-clone && |
| check_that_two_of_three_alternates_are_used && |
| # update of the submodule fails |
| cat >expect <<-\EOF && |
| fatal: submodule '\''sub'\'' cannot add alternate: path ... does not exist |
| Failed to clone '\''sub'\''. Retry scheduled |
| fatal: submodule '\''sub-dissociate'\'' cannot add alternate: path ... does not exist |
| Failed to clone '\''sub-dissociate'\''. Retry scheduled |
| fatal: submodule '\''sub'\'' cannot add alternate: path ... does not exist |
| Failed to clone '\''sub'\'' a second time, aborting |
| fatal: Failed to recurse into submodule path ... |
| EOF |
| test_must_fail git submodule update --init --recursive 2>err && |
| grep -e fatal: -e ^Failed err >actual.raw && |
| sed -e "s/path $SQ[^$SQ]*$SQ/path .../" <actual.raw >actual && |
| test_cmp expect actual |
| ) |
| ' |
| |
| test_expect_success 'missing nested submodule alternate in --reference-if-able mode' ' |
| test_when_finished "rm -rf supersuper-clone" && |
| git clone --recursive --reference-if-able supersuper2 supersuper2 supersuper-clone && |
| ( |
| cd supersuper-clone && |
| check_that_two_of_three_alternates_are_used && |
| # update of the submodule succeeds |
| git submodule update --init --recursive |
| ) |
| ' |
| |
| test_done |