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Diffstat (limited to '')
| -rwxr-xr-x | t/t5533-push-cas.sh | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/t/t5533-push-cas.sh b/t/t5533-push-cas.sh new file mode 100755 index 0000000..cba26a8 --- /dev/null +++ b/t/t5533-push-cas.sh @@ -0,0 +1,399 @@ +#!/bin/sh + +test_description='compare & swap push force/delete safety' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +setup_srcdst_basic () { + rm -fr src dst && + git clone --no-local . src && + git clone --no-local src dst && + ( + cd src && git checkout HEAD^0 + ) +} + +# For tests with "--force-if-includes". +setup_src_dup_dst () { + rm -fr src dup dst && + git init --bare dst && + git clone --no-local dst src && + git clone --no-local dst dup + ( + cd src && + test_commit A && + test_commit B && + test_commit C && + git push origin + ) && + ( + cd dup && + git fetch && + git merge origin/main && + git switch -c branch main~2 && + test_commit D && + test_commit E && + git push origin --all + ) && + ( + cd src && + git switch main && + git fetch --all && + git branch branch --track origin/branch && + git rebase origin/main + ) && + ( + cd dup && + git switch main && + test_commit F && + test_commit G && + git switch branch && + test_commit H && + git push origin --all + ) +} + +test_expect_success setup ' + # create template repository + test_commit A && + test_commit B && + test_commit C +' + +test_expect_success 'push to update (protected)' ' + setup_srcdst_basic && + ( + cd dst && + test_commit D && + test_must_fail git push --force-with-lease=main:main origin main 2>err && + grep "stale info" err + ) && + git ls-remote . refs/heads/main >expect && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to update (protected, forced)' ' + setup_srcdst_basic && + ( + cd dst && + test_commit D && + git push --force --force-with-lease=main:main origin main 2>err && + grep "forced update" err + ) && + git ls-remote dst refs/heads/main >expect && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to update (protected, tracking)' ' + setup_srcdst_basic && + ( + cd src && + git checkout main && + test_commit D && + git checkout HEAD^0 + ) && + git ls-remote src refs/heads/main >expect && + ( + cd dst && + test_commit E && + git ls-remote . refs/remotes/origin/main >expect && + test_must_fail git push --force-with-lease=main origin main && + git ls-remote . refs/remotes/origin/main >actual && + test_cmp expect actual + ) && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to update (protected, tracking, forced)' ' + setup_srcdst_basic && + ( + cd src && + git checkout main && + test_commit D && + git checkout HEAD^0 + ) && + ( + cd dst && + test_commit E && + git ls-remote . refs/remotes/origin/main >expect && + git push --force --force-with-lease=main origin main + ) && + git ls-remote dst refs/heads/main >expect && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to update (allowed)' ' + setup_srcdst_basic && + ( + cd dst && + test_commit D && + git push --force-with-lease=main:main^ origin main + ) && + git ls-remote dst refs/heads/main >expect && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to update (allowed, tracking)' ' + setup_srcdst_basic && + ( + cd dst && + test_commit D && + git push --force-with-lease=main origin main 2>err && + ! grep "forced update" err + ) && + git ls-remote dst refs/heads/main >expect && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to update (allowed even though no-ff)' ' + setup_srcdst_basic && + ( + cd dst && + git reset --hard HEAD^ && + test_commit D && + git push --force-with-lease=main origin main 2>err && + grep "forced update" err + ) && + git ls-remote dst refs/heads/main >expect && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to delete (protected)' ' + setup_srcdst_basic && + git ls-remote src refs/heads/main >expect && + ( + cd dst && + test_must_fail git push --force-with-lease=main:main^ origin :main + ) && + git ls-remote src refs/heads/main >actual && + test_cmp expect actual +' + +test_expect_success 'push to delete (protected, forced)' ' + setup_srcdst_basic && + ( + cd dst && + git push --force --force-with-lease=main:main^ origin :main + ) && + git ls-remote src refs/heads/main >actual && + test_must_be_empty actual +' + +test_expect_success 'push to delete (allowed)' ' + setup_srcdst_basic && + ( + cd dst && + git push --force-with-lease=main origin :main 2>err && + grep deleted err + ) && + git ls-remote src refs/heads/main >actual && + test_must_be_empty actual +' + +test_expect_success 'cover everything with default force-with-lease (protected)' ' + setup_srcdst_basic && + ( + cd src && + git branch nain main^ + ) && + git ls-remote src refs/heads/\* >expect && + ( + cd dst && + test_must_fail git push --force-with-lease origin main main:nain + ) && + git ls-remote src refs/heads/\* >actual && + test_cmp expect actual +' + +test_expect_success 'cover everything with default force-with-lease (allowed)' ' + setup_srcdst_basic && + ( + cd src && + git branch nain main^ + ) && + ( + cd dst && + git fetch && + git push --force-with-lease origin main main:nain + ) && + git ls-remote dst refs/heads/main | + sed -e "s/main/nain/" >expect && + git ls-remote src refs/heads/nain >actual && + test_cmp expect actual +' + +test_expect_success 'new branch covered by force-with-lease' ' + setup_srcdst_basic && + ( + cd dst && + git branch branch main && + git push --force-with-lease=branch origin branch + ) && + git ls-remote dst refs/heads/branch >expect && + git ls-remote src refs/heads/branch >actual && + test_cmp expect actual +' + +test_expect_success 'new branch covered by force-with-lease (explicit)' ' + setup_srcdst_basic && + ( + cd dst && + git branch branch main && + git push --force-with-lease=branch: origin branch + ) && + git ls-remote dst refs/heads/branch >expect && + git ls-remote src refs/heads/branch >actual && + test_cmp expect actual +' + +test_expect_success 'new branch already exists' ' + setup_srcdst_basic && + ( + cd src && + git checkout -b branch main && + test_commit F + ) && + ( + cd dst && + git branch branch main && + test_must_fail git push --force-with-lease=branch: origin branch + ) +' + +test_expect_success 'background updates of REMOTE can be mitigated with a non-updated REMOTE-push' ' + rm -rf src dst && + git init --bare src.bare && + test_when_finished "rm -rf src.bare" && + git clone --no-local src.bare dst && + test_when_finished "rm -rf dst" && + ( + cd dst && + test_commit G && + git remote add origin-push ../src.bare && + git push origin-push main:main + ) && + git clone --no-local src.bare dst2 && + test_when_finished "rm -rf dst2" && + ( + cd dst2 && + test_commit H && + git push + ) && + ( + cd dst && + test_commit I && + git fetch origin && + test_must_fail git push --force-with-lease origin-push && + git fetch origin-push && + git push --force-with-lease origin-push + ) +' + +test_expect_success 'background updates to remote can be mitigated with "--force-if-includes"' ' + setup_src_dup_dst && + test_when_finished "rm -fr dst src dup" && + git ls-remote dst refs/heads/main >expect.main && + git ls-remote dst refs/heads/branch >expect.branch && + ( + cd src && + git switch branch && + test_commit I && + git switch main && + test_commit J && + git fetch --all && + test_must_fail git push --force-with-lease --force-if-includes --all + ) && + git ls-remote dst refs/heads/main >actual.main && + git ls-remote dst refs/heads/branch >actual.branch && + test_cmp expect.main actual.main && + test_cmp expect.branch actual.branch +' + +test_expect_success 'background updates to remote can be mitigated with "push.useForceIfIncludes"' ' + setup_src_dup_dst && + test_when_finished "rm -fr dst src dup" && + git ls-remote dst refs/heads/main >expect.main && + ( + cd src && + git switch branch && + test_commit I && + git switch main && + test_commit J && + git fetch --all && + git config --local push.useForceIfIncludes true && + test_must_fail git push --force-with-lease=main origin main + ) && + git ls-remote dst refs/heads/main >actual.main && + test_cmp expect.main actual.main +' + +test_expect_success '"--force-if-includes" should be disabled for --force-with-lease="<refname>:<expect>"' ' + setup_src_dup_dst && + test_when_finished "rm -fr dst src dup" && + git ls-remote dst refs/heads/main >expect.main && + ( + cd src && + git switch branch && + test_commit I && + git switch main && + test_commit J && + remote_head="$(git rev-parse refs/remotes/origin/main)" && + git fetch --all && + test_must_fail git push --force-if-includes --force-with-lease="main:$remote_head" 2>err && + grep "stale info" err + ) && + git ls-remote dst refs/heads/main >actual.main && + test_cmp expect.main actual.main +' + +test_expect_success '"--force-if-includes" should allow forced update after a rebase ("pull --rebase")' ' + setup_src_dup_dst && + test_when_finished "rm -fr dst src dup" && + ( + cd src && + git switch branch && + test_commit I && + git switch main && + test_commit J && + git pull --rebase origin main && + git push --force-if-includes --force-with-lease="main" + ) +' + +test_expect_success '"--force-if-includes" should allow forced update after a rebase ("pull --rebase", local rebase)' ' + setup_src_dup_dst && + test_when_finished "rm -fr dst src dup" && + ( + cd src && + git switch branch && + test_commit I && + git switch main && + test_commit J && + git pull --rebase origin main && + git rebase --onto HEAD~4 HEAD~1 && + git push --force-if-includes --force-with-lease="main" + ) +' + +test_expect_success '"--force-if-includes" should allow deletes' ' + setup_src_dup_dst && + test_when_finished "rm -fr dst src dup" && + ( + cd src && + git switch branch && + git pull --rebase origin branch && + git push --force-if-includes --force-with-lease="branch" origin :branch + ) +' + +test_done |