diff options
Diffstat (limited to 't/t3030-merge-recursive.sh')
| -rwxr-xr-x | t/t3030-merge-recursive.sh | 86 |
1 files changed, 70 insertions, 16 deletions
diff --git a/t/t3030-merge-recursive.sh b/t/t3030-merge-recursive.sh index 9a893b5fe7..3563e77b37 100755 --- a/t/t3030-merge-recursive.sh +++ b/t/t3030-merge-recursive.sh @@ -525,20 +525,22 @@ test_expect_success 'merge-recursive w/ empty work tree - ours has rename' ' GIT_INDEX_FILE="$PWD/ours-has-rename-index" && export GIT_INDEX_FILE && mkdir "$GIT_WORK_TREE" && - git read-tree -i -m $c7 && - git update-index --ignore-missing --refresh && - git merge-recursive $c0 -- $c7 $c3 && - git ls-files -s >actual-files - ) 2>actual-err && - >expected-err && + git read-tree -i -m $c7 2>actual-err && + test_must_be_empty actual-err && + git update-index --ignore-missing --refresh 2>actual-err && + test_must_be_empty actual-err && + git merge-recursive $c0 -- $c7 $c3 2>actual-err && + test_must_be_empty actual-err && + git ls-files -s >actual-files 2>actual-err && + test_must_be_empty actual-err + ) && cat >expected-files <<-EOF && 100644 $o3 0 b/c 100644 $o0 0 c 100644 $o0 0 d/e 100644 $o0 0 e EOF - test_cmp expected-files actual-files && - test_cmp expected-err actual-err + test_cmp expected-files actual-files ' test_expect_success 'merge-recursive w/ empty work tree - theirs has rename' ' @@ -548,20 +550,22 @@ test_expect_success 'merge-recursive w/ empty work tree - theirs has rename' ' GIT_INDEX_FILE="$PWD/theirs-has-rename-index" && export GIT_INDEX_FILE && mkdir "$GIT_WORK_TREE" && - git read-tree -i -m $c3 && - git update-index --ignore-missing --refresh && - git merge-recursive $c0 -- $c3 $c7 && - git ls-files -s >actual-files - ) 2>actual-err && - >expected-err && + git read-tree -i -m $c3 2>actual-err && + test_must_be_empty actual-err && + git update-index --ignore-missing --refresh 2>actual-err && + test_must_be_empty actual-err && + git merge-recursive $c0 -- $c3 $c7 2>actual-err && + test_must_be_empty actual-err && + git ls-files -s >actual-files 2>actual-err && + test_must_be_empty actual-err + ) && cat >expected-files <<-EOF && 100644 $o3 0 b/c 100644 $o0 0 c 100644 $o0 0 d/e 100644 $o0 0 e EOF - test_cmp expected-files actual-files && - test_cmp expected-err actual-err + test_cmp expected-files actual-files ' test_expect_success 'merge removes empty directories' ' @@ -678,4 +682,54 @@ test_expect_success 'merge-recursive remembers the names of all base trees' ' test_cmp expect actual ' +test_expect_success 'merge-recursive internal merge resolves to the sameness' ' + git reset --hard HEAD && + + # We are going to create a history leading to two criss-cross + # branches A and B. The common ancestor at the bottom, O0, + # has two child commits O1 and O2, both of which will be merge + # base between A and B, like so: + # + # O1---A + # / \ / + # O0 . + # \ / \ + # O2---B + # + # The recently added "check to see if the index is different from + # the tree into which something else is getting merged" check must + # NOT kick in when an inner merge between O1 and O2 is made. Both + # O1 and O2 happen to have the same tree as O0 in this test to + # trigger the bug---whether the inner merge is made by merging O2 + # into O1 or O1 into O2, their common ancestor O0 and the branch + # being merged have the same tree. We should not trigger the "is + # the index dirty?" check in this case. + + echo "zero" >file && + git add file && + test_tick && + git commit -m "O0" && + O0=$(git rev-parse HEAD) && + + test_tick && + git commit --allow-empty -m "O1" && + O1=$(git rev-parse HEAD) && + + git reset --hard $O0 && + test_tick && + git commit --allow-empty -m "O2" && + O2=$(git rev-parse HEAD) && + + test_tick && + git merge -s ours $O1 && + B=$(git rev-parse HEAD) && + + git reset --hard $O1 && + test_tick && + git merge -s ours $O2 && + A=$(git rev-parse HEAD) && + + git merge $B +' + test_done |