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-rwxr-xr-xt/t6022-merge-rename.sh291
1 files changed, 283 insertions, 8 deletions
diff --git a/t/t6022-merge-rename.sh b/t/t6022-merge-rename.sh
index 1ed259d864..9d8584e957 100755
--- a/t/t6022-merge-rename.sh
+++ b/t/t6022-merge-rename.sh
@@ -252,6 +252,7 @@ test_expect_success 'setup for rename + d/f conflicts' '
git reset --hard &&
git checkout --orphan dir-in-way &&
git rm -rf . &&
+ git clean -fdqx &&
mkdir sub &&
mkdir dir &&
@@ -302,11 +303,11 @@ test_expect_success 'Rename+D/F conflict; renamed file merges but dir in way' '
git checkout -q renamed-file-has-no-conflicts^0 &&
test_must_fail git merge --strategy=recursive dir-in-way >output &&
- grep "CONFLICT (delete/modify): dir/file-in-the-way" output &&
+ grep "CONFLICT (modify/delete): dir/file-in-the-way" output &&
grep "Auto-merging dir" output &&
grep "Adding as dir~HEAD instead" output &&
- test 2 -eq "$(git ls-files -u | wc -l)" &&
+ test 3 -eq "$(git ls-files -u | wc -l)" &&
test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
test_must_fail git diff --quiet &&
@@ -324,11 +325,11 @@ test_expect_success 'Same as previous, but merged other way' '
test_must_fail git merge --strategy=recursive renamed-file-has-no-conflicts >output 2>errors &&
! grep "error: refusing to lose untracked file at" errors &&
- grep "CONFLICT (delete/modify): dir/file-in-the-way" output &&
+ grep "CONFLICT (modify/delete): dir/file-in-the-way" output &&
grep "Auto-merging dir" output &&
grep "Adding as dir~renamed-file-has-no-conflicts instead" output &&
- test 2 -eq "$(git ls-files -u | wc -l)" &&
+ test 3 -eq "$(git ls-files -u | wc -l)" &&
test 2 -eq "$(git ls-files -u dir/file-in-the-way | wc -l)" &&
test_must_fail git diff --quiet &&
@@ -350,11 +351,11 @@ cat >expected <<\EOF &&
8
9
10
-<<<<<<< HEAD
+<<<<<<< HEAD:dir
12
=======
11
->>>>>>> dir-not-in-way
+>>>>>>> dir-not-in-way:sub/file
EOF
test_expect_success 'Rename+D/F conflict; renamed file cannot merge, dir not in way' '
@@ -404,11 +405,11 @@ cat >expected <<\EOF &&
8
9
10
-<<<<<<< HEAD
+<<<<<<< HEAD:sub/file
11
=======
12
->>>>>>> renamed-file-has-conflicts
+>>>>>>> renamed-file-has-conflicts:dir
EOF
test_expect_success 'Same as previous, but merged other way' '
@@ -609,4 +610,278 @@ test_expect_success 'check handling of differently renamed file with D/F conflic
! test -f original
'
+test_expect_success 'setup avoid unnecessary update, normal rename' '
+ git reset --hard &&
+ git checkout --orphan avoid-unnecessary-update-1 &&
+ git rm -rf . &&
+ git clean -fdqx &&
+
+ printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >original &&
+ git add -A &&
+ git commit -m "Common commmit" &&
+
+ git mv original rename &&
+ echo 11 >>rename &&
+ git add -u &&
+ git commit -m "Renamed and modified" &&
+
+ git checkout -b merge-branch-1 HEAD~1 &&
+ echo "random content" >random-file &&
+ git add -A &&
+ git commit -m "Random, unrelated changes"
+'
+
+test_expect_success 'avoid unnecessary update, normal rename' '
+ git checkout -q avoid-unnecessary-update-1^0 &&
+ test-chmtime =1000000000 rename &&
+ test-chmtime -v +0 rename >expect &&
+ git merge merge-branch-1 &&
+ test-chmtime -v +0 rename >actual &&
+ test_cmp expect actual # "rename" should have stayed intact
+'
+
+test_expect_success 'setup to test avoiding unnecessary update, with D/F conflict' '
+ git reset --hard &&
+ git checkout --orphan avoid-unnecessary-update-2 &&
+ git rm -rf . &&
+ git clean -fdqx &&
+
+ mkdir df &&
+ printf "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n" >df/file &&
+ git add -A &&
+ git commit -m "Common commmit" &&
+
+ git mv df/file temp &&
+ rm -rf df &&
+ git mv temp df &&
+ echo 11 >>df &&
+ git add -u &&
+ git commit -m "Renamed and modified" &&
+
+ git checkout -b merge-branch-2 HEAD~1 &&
+ >unrelated-change &&
+ git add unrelated-change &&
+ git commit -m "Only unrelated changes"
+'
+
+test_expect_success 'avoid unnecessary update, with D/F conflict' '
+ git checkout -q avoid-unnecessary-update-2^0 &&
+ test-chmtime =1000000000 df &&
+ test-chmtime -v +0 df >expect &&
+ git merge merge-branch-2 &&
+ test-chmtime -v +0 df >actual &&
+ test_cmp expect actual # "df" should have stayed intact
+'
+
+test_expect_success 'setup avoid unnecessary update, dir->(file,nothing)' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ >irrelevant &&
+ mkdir df &&
+ >df/file &&
+ git add -A &&
+ git commit -mA &&
+
+ git checkout -b side
+ git rm -rf df &&
+ git commit -mB &&
+
+ git checkout master &&
+ git rm -rf df &&
+ echo bla >df &&
+ git add -A &&
+ git commit -m "Add a newfile"
+'
+
+test_expect_success 'avoid unnecessary update, dir->(file,nothing)' '
+ git checkout -q master^0 &&
+ test-chmtime =1000000000 df &&
+ test-chmtime -v +0 df >expect &&
+ git merge side &&
+ test-chmtime -v +0 df >actual &&
+ test_cmp expect actual # "df" should have stayed intact
+'
+
+test_expect_success 'setup avoid unnecessary update, modify/delete' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ >irrelevant &&
+ >file &&
+ git add -A &&
+ git commit -mA &&
+
+ git checkout -b side
+ git rm -f file &&
+ git commit -m "Delete file" &&
+
+ git checkout master &&
+ echo bla >file &&
+ git add -A &&
+ git commit -m "Modify file"
+'
+
+test_expect_success 'avoid unnecessary update, modify/delete' '
+ git checkout -q master^0 &&
+ test-chmtime =1000000000 file &&
+ test-chmtime -v +0 file >expect &&
+ test_must_fail git merge side &&
+ test-chmtime -v +0 file >actual &&
+ test_cmp expect actual # "file" should have stayed intact
+'
+
+test_expect_success 'setup avoid unnecessary update, rename/add-dest' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ printf "1\n2\n3\n4\n5\n6\n7\n8\n" >file &&
+ git add -A &&
+ git commit -mA &&
+
+ git checkout -b side
+ cp file newfile &&
+ git add -A &&
+ git commit -m "Add file copy" &&
+
+ git checkout master &&
+ git mv file newfile &&
+ git commit -m "Rename file"
+'
+
+test_expect_success 'avoid unnecessary update, rename/add-dest' '
+ git checkout -q master^0 &&
+ test-chmtime =1000000000 newfile &&
+ test-chmtime -v +0 newfile >expect &&
+ git merge side &&
+ test-chmtime -v +0 newfile >actual &&
+ test_cmp expect actual # "file" should have stayed intact
+'
+
+test_expect_success 'setup merge of rename + small change' '
+ git reset --hard &&
+ git checkout --orphan rename-plus-small-change &&
+ git rm -rf . &&
+ git clean -fdqx &&
+
+ echo ORIGINAL >file &&
+ git add file &&
+
+ test_tick &&
+ git commit -m Initial &&
+ git checkout -b rename_branch &&
+ git mv file renamed_file &&
+ git commit -m Rename &&
+ git checkout rename-plus-small-change &&
+ echo NEW-VERSION >file &&
+ git commit -a -m Reformat
+'
+
+test_expect_success 'merge rename + small change' '
+ git merge rename_branch &&
+
+ test 1 -eq $(git ls-files -s | wc -l) &&
+ test 0 -eq $(git ls-files -o | wc -l) &&
+ test $(git rev-parse HEAD:renamed_file) = $(git rev-parse HEAD~1:file)
+'
+
+test_expect_success 'setup for use of extended merge markers' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ printf "1\n2\n3\n4\n5\n6\n7\n8\n" >original_file &&
+ git add original_file &&
+ git commit -mA &&
+
+ git checkout -b rename &&
+ echo 9 >>original_file &&
+ git add original_file &&
+ git mv original_file renamed_file &&
+ git commit -mB &&
+
+ git checkout master &&
+ echo 8.5 >>original_file &&
+ git add original_file &&
+ git commit -mC
+'
+
+cat >expected <<\EOF &&
+1
+2
+3
+4
+5
+6
+7
+8
+<<<<<<< HEAD:renamed_file
+9
+=======
+8.5
+>>>>>>> master^0:original_file
+EOF
+
+test_expect_success 'merge master into rename has correct extended markers' '
+ git checkout rename^0 &&
+ test_must_fail git merge -s recursive master^0 &&
+ test_cmp expected renamed_file
+'
+
+cat >expected <<\EOF &&
+1
+2
+3
+4
+5
+6
+7
+8
+<<<<<<< HEAD:original_file
+8.5
+=======
+9
+>>>>>>> rename^0:renamed_file
+EOF
+
+test_expect_success 'merge rename into master has correct extended markers' '
+ git reset --hard &&
+ git checkout master^0 &&
+ test_must_fail git merge -s recursive rename^0 &&
+ test_cmp expected renamed_file
+'
+
+test_expect_success 'setup spurious "refusing to lose untracked" message' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ > irrelevant_file &&
+ printf "1\n2\n3\n4\n5\n6\n7\n8\n" >original_file &&
+ git add irrelevant_file original_file &&
+ git commit -mA &&
+
+ git checkout -b rename &&
+ git mv original_file renamed_file &&
+ git commit -mB &&
+
+ git checkout master &&
+ git rm original_file &&
+ git commit -mC
+'
+
+test_expect_success 'no spurious "refusing to lose untracked" message' '
+ git checkout master^0 &&
+ test_must_fail git merge rename^0 2>errors.txt &&
+ ! grep "refusing to lose untracked file" errors.txt
+'
+
test_done