334afbc76f
In addition to the manual adjustment to let the `linux-gcc` CI job run the test suite with `master` and then with `main`, this patch makes sure that GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME is set in all test scripts that currently rely on the initial branch name being `master by default. To determine which test scripts to mark up, the first step was to force-set the default branch name to `master` in - all test scripts that contain the keyword `master`, - t4211, which expects `t/t4211/history.export` with a hard-coded ref to initialize the default branch, - t5560 because it sources `t/t556x_common` which uses `master`, - t8002 and t8012 because both source `t/annotate-tests.sh` which also uses `master`) This trick was performed by this command: $ sed -i '/^ *\. \.\/\(test-lib\|lib-\(bash\|cvs\|git-svn\)\|gitweb-lib\)\.sh$/i\ GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\ ' $(git grep -l master t/t[0-9]*.sh) \ t/t4211*.sh t/t5560*.sh t/t8002*.sh t/t8012*.sh After that, careful, manual inspection revealed that some of the test scripts containing the needle `master` do not actually rely on a specific default branch name: either they mention `master` only in a comment, or they initialize that branch specificially, or they do not actually refer to the current default branch. Therefore, the aforementioned modification was undone in those test scripts thusly: $ git checkout HEAD -- \ t/t0027-auto-crlf.sh t/t0060-path-utils.sh \ t/t1011-read-tree-sparse-checkout.sh \ t/t1305-config-include.sh t/t1309-early-config.sh \ t/t1402-check-ref-format.sh t/t1450-fsck.sh \ t/t2024-checkout-dwim.sh \ t/t2106-update-index-assume-unchanged.sh \ t/t3040-subprojects-basic.sh t/t3301-notes.sh \ t/t3308-notes-merge.sh t/t3423-rebase-reword.sh \ t/t3436-rebase-more-options.sh \ t/t4015-diff-whitespace.sh t/t4257-am-interactive.sh \ t/t5323-pack-redundant.sh t/t5401-update-hooks.sh \ t/t5511-refspec.sh t/t5526-fetch-submodules.sh \ t/t5529-push-errors.sh t/t5530-upload-pack-error.sh \ t/t5548-push-porcelain.sh \ t/t5552-skipping-fetch-negotiator.sh \ t/t5572-pull-submodule.sh t/t5608-clone-2gb.sh \ t/t5614-clone-submodules-shallow.sh \ t/t7508-status.sh t/t7606-merge-custom.sh \ t/t9302-fast-import-unpack-limit.sh We excluded one set of test scripts in these commands, though: the range of `git p4` tests. The reason? `git p4` stores the (foreign) remote branch in the branch called `p4/master`, which is obviously not the default branch. Manual analysis revealed that only five of these tests actually require a specific default branch name to pass; They were modified thusly: $ sed -i '/^ *\. \.\/lib-git-p4\.sh$/i\ GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master\ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME\ ' t/t980[0167]*.sh t/t9811*.sh Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
205 lines
5.8 KiB
Bash
Executable File
205 lines
5.8 KiB
Bash
Executable File
#!/bin/sh
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test_description='test aborting in-progress merges
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Set up repo with conflicting and non-conflicting branches:
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There are three files foo/bar/baz, and the following graph illustrates the
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content of these files in each commit:
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# foo/bar/baz --- foo/bar/bazz <-- master
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# \
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# --- foo/barf/bazf <-- conflict_branch
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# \
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# --- foo/bart/baz <-- clean_branch
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Next, test git merge --abort with the following variables:
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- before/after successful merge (should fail when not in merge context)
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- with/without conflicts
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- clean/dirty index before merge
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- clean/dirty worktree before merge
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- dirty index before merge matches contents on remote branch
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- changed/unchanged worktree after merge
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- changed/unchanged index after merge
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'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=master
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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test_expect_success 'setup' '
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# Create the above repo
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echo foo > foo &&
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echo bar > bar &&
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echo baz > baz &&
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git add foo bar baz &&
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git commit -m initial &&
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echo bazz > baz &&
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git commit -a -m "second" &&
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git checkout -b conflict_branch HEAD^ &&
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echo barf > bar &&
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echo bazf > baz &&
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git commit -a -m "conflict" &&
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git checkout -b clean_branch HEAD^ &&
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echo bart > bar &&
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git commit -a -m "clean" &&
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git checkout master
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'
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pre_merge_head="$(git rev-parse HEAD)"
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test_expect_success 'fails without MERGE_HEAD (unstarted merge)' '
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test_must_fail git merge --abort 2>output &&
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test_i18ngrep MERGE_HEAD output
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'
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test_expect_success 'fails without MERGE_HEAD (unstarted merge): .git/MERGE_HEAD sanity' '
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)"
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'
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test_expect_success 'fails without MERGE_HEAD (completed merge)' '
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git merge clean_branch &&
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test ! -f .git/MERGE_HEAD &&
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# Merge successfully completed
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post_merge_head="$(git rev-parse HEAD)" &&
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test_must_fail git merge --abort 2>output &&
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test_i18ngrep MERGE_HEAD output
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'
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test_expect_success 'fails without MERGE_HEAD (completed merge): .git/MERGE_HEAD sanity' '
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test ! -f .git/MERGE_HEAD &&
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test "$post_merge_head" = "$(git rev-parse HEAD)"
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'
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test_expect_success 'Forget previous merge' '
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git reset --hard "$pre_merge_head"
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'
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test_expect_success 'Abort after --no-commit' '
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# Redo merge, but stop before creating merge commit
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git merge --no-commit clean_branch &&
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test -f .git/MERGE_HEAD &&
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# Abort non-conflicting merge
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git merge --abort &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff)" &&
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test -z "$(git diff --staged)"
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'
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test_expect_success 'Abort after conflicts' '
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# Create conflicting merge
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test_must_fail git merge conflict_branch &&
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test -f .git/MERGE_HEAD &&
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# Abort conflicting merge
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git merge --abort &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff)" &&
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test -z "$(git diff --staged)"
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'
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test_expect_success 'Clean merge with dirty index fails' '
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echo xyzzy >> foo &&
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git add foo &&
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git diff --staged > expect &&
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test_must_fail git merge clean_branch &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff)" &&
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git diff --staged > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Conflicting merge with dirty index fails' '
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test_must_fail git merge conflict_branch &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff)" &&
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git diff --staged > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Reset index (but preserve worktree changes)' '
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git reset "$pre_merge_head" &&
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git diff > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Abort clean merge with non-conflicting dirty worktree' '
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git merge --no-commit clean_branch &&
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test -f .git/MERGE_HEAD &&
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# Abort merge
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git merge --abort &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff --staged)" &&
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git diff > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Abort conflicting merge with non-conflicting dirty worktree' '
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test_must_fail git merge conflict_branch &&
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test -f .git/MERGE_HEAD &&
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# Abort merge
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git merge --abort &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff --staged)" &&
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git diff > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Reset worktree changes' '
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git reset --hard "$pre_merge_head"
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'
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test_expect_success 'Fail clean merge with conflicting dirty worktree' '
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echo xyzzy >> bar &&
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git diff > expect &&
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test_must_fail git merge --no-commit clean_branch &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff --staged)" &&
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git diff > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Fail conflicting merge with conflicting dirty worktree' '
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test_must_fail git merge conflict_branch &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff --staged)" &&
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git diff > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Reset worktree changes' '
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git reset --hard "$pre_merge_head"
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'
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test_expect_success 'Fail clean merge with matching dirty worktree' '
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echo bart > bar &&
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git diff > expect &&
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test_must_fail git merge --no-commit clean_branch &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff --staged)" &&
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git diff > actual &&
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test_cmp expect actual
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'
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test_expect_success 'Fail conflicting merge with matching dirty worktree' '
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echo barf > bar &&
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git diff > expect &&
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test_must_fail git merge conflict_branch &&
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test ! -f .git/MERGE_HEAD &&
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test "$pre_merge_head" = "$(git rev-parse HEAD)" &&
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test -z "$(git diff --staged)" &&
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git diff > actual &&
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test_cmp expect actual
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'
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test_done
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