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Diffstat (limited to 't/t6433-merge-toplevel.sh')
| -rwxr-xr-x | t/t6433-merge-toplevel.sh | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/t/t6433-merge-toplevel.sh b/t/t6433-merge-toplevel.sh new file mode 100755 index 0000000..b160314 --- /dev/null +++ b/t/t6433-merge-toplevel.sh @@ -0,0 +1,177 @@ +#!/bin/sh + +test_description='"git merge" top-level frontend' + +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +t3033_reset () { + git checkout -B main two && + git branch -f left three && + git branch -f right four +} + +test_expect_success setup ' + test_commit one && + git branch left && + git branch right && + test_commit two && + git checkout left && + test_commit three && + git checkout right && + test_commit four && + git checkout --orphan newroot && + test_commit five && + git checkout main +' + +# Local branches + +test_expect_success 'merge an octopus into void' ' + t3033_reset && + git checkout --orphan test && + git rm -fr . && + test_must_fail git merge left right && + test_must_fail git rev-parse --verify HEAD && + git diff --quiet && + test_must_fail git rev-parse HEAD +' + +test_expect_success 'merge an octopus, fast-forward (ff)' ' + t3033_reset && + git reset --hard one && + git merge left right && + # one is ancestor of three (left) and four (right) + test_must_fail git rev-parse --verify HEAD^3 && + git rev-parse HEAD^1 HEAD^2 | sort >actual && + git rev-parse three four | sort >expect && + test_cmp expect actual +' + +test_expect_success 'merge octopus, non-fast-forward (ff)' ' + t3033_reset && + git reset --hard one && + git merge --no-ff left right && + # one is ancestor of three (left) and four (right) + test_must_fail git rev-parse --verify HEAD^4 && + git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual && + git rev-parse one three four | sort >expect && + test_cmp expect actual +' + +test_expect_success 'merge octopus, fast-forward (does not ff)' ' + t3033_reset && + git merge left right && + # two (main) is not an ancestor of three (left) and four (right) + test_must_fail git rev-parse --verify HEAD^4 && + git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual && + git rev-parse two three four | sort >expect && + test_cmp expect actual +' + +test_expect_success 'merge octopus, non-fast-forward' ' + t3033_reset && + git merge --no-ff left right && + test_must_fail git rev-parse --verify HEAD^4 && + git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual && + git rev-parse two three four | sort >expect && + test_cmp expect actual +' + +# The same set with FETCH_HEAD + +test_expect_success 'merge FETCH_HEAD octopus into void' ' + t3033_reset && + git checkout --orphan test && + git rm -fr . && + git fetch . left right && + test_must_fail git merge FETCH_HEAD && + test_must_fail git rev-parse --verify HEAD && + git diff --quiet && + test_must_fail git rev-parse HEAD +' + +test_expect_success 'merge FETCH_HEAD octopus fast-forward (ff)' ' + t3033_reset && + git reset --hard one && + git fetch . left right && + git merge FETCH_HEAD && + # one is ancestor of three (left) and four (right) + test_must_fail git rev-parse --verify HEAD^3 && + git rev-parse HEAD^1 HEAD^2 | sort >actual && + git rev-parse three four | sort >expect && + test_cmp expect actual +' + +test_expect_success 'merge FETCH_HEAD octopus non-fast-forward (ff)' ' + t3033_reset && + git reset --hard one && + git fetch . left right && + git merge --no-ff FETCH_HEAD && + # one is ancestor of three (left) and four (right) + test_must_fail git rev-parse --verify HEAD^4 && + git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual && + git rev-parse one three four | sort >expect && + test_cmp expect actual +' + +test_expect_success 'merge FETCH_HEAD octopus fast-forward (does not ff)' ' + t3033_reset && + git fetch . left right && + git merge FETCH_HEAD && + # two (main) is not an ancestor of three (left) and four (right) + test_must_fail git rev-parse --verify HEAD^4 && + git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual && + git rev-parse two three four | sort >expect && + test_cmp expect actual +' + +test_expect_success 'merge FETCH_HEAD octopus non-fast-forward' ' + t3033_reset && + git fetch . left right && + git merge --no-ff FETCH_HEAD && + test_must_fail git rev-parse --verify HEAD^4 && + git rev-parse HEAD^1 HEAD^2 HEAD^3 | sort >actual && + git rev-parse two three four | sort >expect && + test_cmp expect actual +' + +# two-project merge +test_expect_success 'refuse two-project merge by default' ' + t3033_reset && + git reset --hard four && + test_must_fail git merge five +' + +test_expect_success 'refuse two-project merge by default, quit before --autostash happens' ' + t3033_reset && + git reset --hard four && + echo change >>one.t && + git diff >expect && + test_must_fail git merge --autostash five 2>err && + test_i18ngrep ! "stash" err && + git diff >actual && + test_cmp expect actual +' + +test_expect_success 'two-project merge with --allow-unrelated-histories' ' + t3033_reset && + git reset --hard four && + git merge --allow-unrelated-histories five && + git diff --exit-code five +' + +test_expect_success 'two-project merge with --allow-unrelated-histories with --autostash' ' + t3033_reset && + git reset --hard four && + echo change >>one.t && + git diff one.t >expect && + git merge --allow-unrelated-histories --autostash five 2>err && + test_i18ngrep "Applied autostash." err && + git diff one.t >actual && + test_cmp expect actual +' + +test_done |