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Diffstat (limited to 'third_party/git/t/t7418-submodule-sparse-gitmodules.sh')
| -rwxr-xr-x | third_party/git/t/t7418-submodule-sparse-gitmodules.sh | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/third_party/git/t/t7418-submodule-sparse-gitmodules.sh b/third_party/git/t/t7418-submodule-sparse-gitmodules.sh new file mode 100755 index 000000000000..3f7f27188313 --- /dev/null +++ b/third_party/git/t/t7418-submodule-sparse-gitmodules.sh @@ -0,0 +1,122 @@ +#!/bin/sh +# +# Copyright (C) 2018 Antonio Ospite <ao2@ao2.it> +# + +test_description='Test reading/writing .gitmodules when not in the working tree + +This test verifies that, when .gitmodules is in the current branch but is not +in the working tree reading from it still works but writing to it does not. + +The test setup uses a sparse checkout, however the same scenario can be set up +also by committing .gitmodules and then just removing it from the filesystem. +' + +. ./test-lib.sh + +test_expect_success 'sparse checkout setup which hides .gitmodules' ' + git init upstream && + git init submodule && + (cd submodule && + echo file >file && + git add file && + test_tick && + git commit -m "Add file" + ) && + (cd upstream && + git submodule add ../submodule && + test_tick && + git commit -m "Add submodule" + ) && + git clone upstream super && + (cd super && + cat >.git/info/sparse-checkout <<-\EOF && + /* + !/.gitmodules + EOF + git config core.sparsecheckout true && + git read-tree -m -u HEAD && + test_path_is_missing .gitmodules + ) +' + +test_expect_success 'reading gitmodules config file when it is not checked out' ' + echo "../submodule" >expect && + git -C super submodule--helper config submodule.submodule.url >actual && + test_cmp expect actual +' + +test_expect_success 'not writing gitmodules config file when it is not checked out' ' + test_must_fail git -C super submodule--helper config submodule.submodule.url newurl && + test_path_is_missing super/.gitmodules +' + +test_expect_success 'initialising submodule when the gitmodules config is not checked out' ' + test_must_fail git -C super config submodule.submodule.url && + git -C super submodule init && + git -C super config submodule.submodule.url >actual && + echo "$(pwd)/submodule" >expect && + test_cmp expect actual +' + +test_expect_success 'updating submodule when the gitmodules config is not checked out' ' + test_path_is_missing super/submodule/file && + git -C super submodule update && + test_cmp submodule/file super/submodule/file +' + +ORIG_SUBMODULE=$(git -C submodule rev-parse HEAD) +ORIG_UPSTREAM=$(git -C upstream rev-parse HEAD) +ORIG_SUPER=$(git -C super rev-parse HEAD) + +test_expect_success 're-updating submodule when the gitmodules config is not checked out' ' + test_when_finished "git -C submodule reset --hard $ORIG_SUBMODULE; + git -C upstream reset --hard $ORIG_UPSTREAM; + git -C super reset --hard $ORIG_SUPER; + git -C upstream submodule update --remote; + git -C super pull; + git -C super submodule update --remote" && + (cd submodule && + echo file2 >file2 && + git add file2 && + test_tick && + git commit -m "Add file2 to submodule" + ) && + (cd upstream && + git submodule update --remote && + git add submodule && + test_tick && + git commit -m "Update submodule" + ) && + git -C super pull && + # The --for-status options reads the gitmodules config + git -C super submodule summary --for-status >actual && + rev1=$(git -C submodule rev-parse --short HEAD) && + rev2=$(git -C submodule rev-parse --short HEAD^) && + cat >expect <<-EOF && + * submodule ${rev1}...${rev2} (1): + < Add file2 to submodule + + EOF + test_cmp expect actual && + # Test that the update actually succeeds + test_path_is_missing super/submodule/file2 && + git -C super submodule update && + test_cmp submodule/file2 super/submodule/file2 && + git -C super status --short >output && + test_must_be_empty output +' + +test_expect_success 'not adding submodules when the gitmodules config is not checked out' ' + git clone submodule new_submodule && + test_must_fail git -C super submodule add ../new_submodule && + test_path_is_missing .gitmodules +' + +# This test checks that the previous "git submodule add" did not leave the +# repository in a spurious state when it failed. +test_expect_success 'init submodule still works even after the previous add failed' ' + git -C super submodule init +' + +test_done |