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#!/bin/sh
test_description='git-merge
Do not overwrite changes.'
. ./test-lib.sh
test_expect_success 'setup' '
test_commit c0 c0.c &&
test_commit c1 c1.c &&
test_commit c1a c1.c "c1 a" &&
git reset --hard c0 &&
test_commit c2 c2.c &&
echo "VERY IMPORTANT CHANGES" > important
'
test_expect_success 'will not overwrite untracked file' '
git reset --hard c1 &&
cp important c2.c &&
test_must_fail git merge c2 &&
test_path_is_missing .git/MERGE_HEAD &&
test_cmp important c2.c
'
test_expect_success 'will not overwrite new file' '
git reset --hard c1 &&
cp important c2.c &&
git add c2.c &&
test_must_fail git merge c2 &&
test_path_is_missing .git/MERGE_HEAD &&
test_cmp important c2.c
'
test_expect_success 'will not overwrite staged changes' '
git reset --hard c1 &&
cp important c2.c &&
git add c2.c &&
rm c2.c &&
test_must_fail git merge c2 &&
test_path_is_missing .git/MERGE_HEAD &&
git checkout c2.c &&
test_cmp important c2.c
'
test_expect_success 'will not overwrite removed file' '
git reset --hard c1 &&
git rm c1.c &&
git commit -m "rm c1.c" &&
cp important c1.c &&
test_must_fail git merge c1a &&
test_cmp important c1.c
'
test_expect_success 'will not overwrite re-added file' '
git reset --hard c1 &&
git rm c1.c &&
git commit -m "rm c1.c" &&
cp important c1.c &&
git add c1.c &&
test_must_fail git merge c1a &&
test_path_is_missing .git/MERGE_HEAD &&
test_cmp important c1.c
'
test_expect_success 'will not overwrite removed file with staged changes' '
git reset --hard c1 &&
git rm c1.c &&
git commit -m "rm c1.c" &&
cp important c1.c &&
git add c1.c &&
rm c1.c &&
test_must_fail git merge c1a &&
test_path_is_missing .git/MERGE_HEAD &&
git checkout c1.c &&
test_cmp important c1.c
'
test_done
|
