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-rwxr-xr-xt/t6042-merge-rename-corner-cases.sh245
1 files changed, 245 insertions, 0 deletions
diff --git a/t/t6042-merge-rename-corner-cases.sh b/t/t6042-merge-rename-corner-cases.sh
index 661b633..07dd09d 100755
--- a/t/t6042-merge-rename-corner-cases.sh
+++ b/t/t6042-merge-rename-corner-cases.sh
@@ -693,4 +693,249 @@ test_expect_success 'rename/rename/add-dest merge still knows about conflicting
)
'
+# Testcase rad, rename/add/delete
+# Commit O: foo
+# Commit A: rm foo, add different bar
+# Commit B: rename foo->bar
+# Expected: CONFLICT (rename/add/delete), two-way merged bar
+
+test_expect_success 'rad-setup: rename/add/delete conflict' '
+ test_create_repo rad &&
+ (
+ cd rad &&
+ echo "original file" >foo &&
+ git add foo &&
+ git commit -m "original" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git rm foo &&
+ echo "different file" >bar &&
+ git add bar &&
+ git commit -m "Remove foo, add bar" &&
+
+ git checkout B &&
+ git mv foo bar &&
+ git commit -m "rename foo to bar"
+ )
+'
+
+test_expect_failure 'rad-check: rename/add/delete conflict' '
+ (
+ cd rad &&
+
+ git checkout B^0 &&
+ test_must_fail git merge -s recursive A^0 >out 2>err &&
+
+ # Not sure whether the output should contain just one
+ # "CONFLICT (rename/add/delete)" line, or if it should break
+ # it into a pair of "CONFLICT (rename/delete)" and
+ # "CONFLICT (rename/add)"; allow for either.
+ test_i18ngrep "CONFLICT (rename.*add)" out &&
+ test_i18ngrep "CONFLICT (rename.*delete)" out &&
+ test_must_be_empty err &&
+
+ git ls-files -s >file_count &&
+ test_line_count = 2 file_count &&
+ git ls-files -u >file_count &&
+ test_line_count = 2 file_count &&
+ git ls-files -o >file_count &&
+ test_line_count = 2 file_count &&
+
+ git rev-parse >actual \
+ :2:bar :3:bar &&
+ git rev-parse >expect \
+ B:bar A:bar &&
+
+ test_cmp file_is_missing foo &&
+ # bar should have two-way merged contents of the different
+ # versions of bar; check that content from both sides is
+ # present.
+ grep original bar &&
+ grep different bar
+ )
+'
+
+# Testcase rrdd, rename/rename(2to1)/delete/delete
+# Commit O: foo, bar
+# Commit A: rename foo->baz, rm bar
+# Commit B: rename bar->baz, rm foo
+# Expected: CONFLICT (rename/rename/delete/delete), two-way merged baz
+
+test_expect_success 'rrdd-setup: rename/rename(2to1)/delete/delete conflict' '
+ test_create_repo rrdd &&
+ (
+ cd rrdd &&
+ echo foo >foo &&
+ echo bar >bar &&
+ git add foo bar &&
+ git commit -m O &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ git mv foo baz &&
+ git rm bar &&
+ git commit -m "Rename foo, remove bar" &&
+
+ git checkout B &&
+ git mv bar baz &&
+ git rm foo &&
+ git commit -m "Rename bar, remove foo"
+ )
+'
+
+test_expect_failure 'rrdd-check: rename/rename(2to1)/delete/delete conflict' '
+ (
+ cd rrdd &&
+
+ git checkout A^0 &&
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+
+ # Not sure whether the output should contain just one
+ # "CONFLICT (rename/rename/delete/delete)" line, or if it
+ # should break it into three: "CONFLICT (rename/rename)" and
+ # two "CONFLICT (rename/delete)" lines; allow for either.
+ test_i18ngrep "CONFLICT (rename/rename)" out &&
+ test_i18ngrep "CONFLICT (rename.*delete)" out &&
+ test_must_be_empty err &&
+
+ git ls-files -s >file_count &&
+ test_line_count = 2 file_count &&
+ git ls-files -u >file_count &&
+ test_line_count = 2 file_count &&
+ git ls-files -o >file_count &&
+ test_line_count = 2 file_count &&
+
+ git rev-parse >actual \
+ :2:baz :3:baz &&
+ git rev-parse >expect \
+ O:foo O:bar &&
+
+ test_cmp file_is_missing foo &&
+ test_cmp file_is_missing bar &&
+ # baz should have two-way merged contents of the original
+ # contents of foo and bar; check that content from both sides
+ # is present.
+ grep foo baz &&
+ grep bar baz
+ )
+'
+
+# Testcase mod6, chains of rename/rename(1to2) and rename/rename(2to1)
+# Commit O: one, three, five
+# Commit A: one->two, three->four, five->six
+# Commit B: one->six, three->two, five->four
+# Expected: six CONFLICT(rename/rename) messages, each path in two of the
+# multi-way merged contents found in two, four, six
+
+test_expect_success 'mod6-setup: chains of rename/rename(1to2) and rename/rename(2to1)' '
+ test_create_repo mod6 &&
+ (
+ cd mod6 &&
+ test_seq 11 19 >one &&
+ test_seq 31 39 >three &&
+ test_seq 51 59 >five &&
+ git add . &&
+ test_tick &&
+ git commit -m "O" &&
+
+ git branch O &&
+ git branch A &&
+ git branch B &&
+
+ git checkout A &&
+ test_seq 10 19 >one &&
+ echo 40 >>three &&
+ git add one three &&
+ git mv one two &&
+ git mv three four &&
+ git mv five six &&
+ test_tick &&
+ git commit -m "A" &&
+
+ git checkout B &&
+ echo 20 >>one &&
+ echo forty >>three &&
+ echo 60 >>five &&
+ git add one three five &&
+ git mv one six &&
+ git mv three two &&
+ git mv five four &&
+ test_tick &&
+ git commit -m "B"
+ )
+'
+
+test_expect_failure 'mod6-check: chains of rename/rename(1to2) and rename/rename(2to1)' '
+ (
+ cd mod6 &&
+
+ git checkout A^0 &&
+
+ test_must_fail git merge -s recursive B^0 >out 2>err &&
+
+ test_i18ngrep "CONFLICT (rename/rename)" out &&
+ test_must_be_empty err &&
+
+ git ls-files -s >file_count &&
+ test_line_count = 6 file_count &&
+ git ls-files -u >file_count &&
+ test_line_count = 6 file_count &&
+ git ls-files -o >file_count &&
+ test_line_count = 3 file_count &&
+
+ test_seq 10 20 >merged-one &&
+ test_seq 51 60 >merged-five &&
+ # Determine what the merge of three would give us.
+ test_seq 30 40 >three-side-A &&
+ test_seq 31 39 >three-side-B &&
+ echo forty >three-side-B &&
+ >empty &&
+ test_must_fail git merge-file \
+ -L "HEAD" \
+ -L "" \
+ -L "B^0" \
+ three-side-A empty three-side-B &&
+ sed -e "s/^\([<=>]\)/\1\1\1/" three-side-A >merged-three &&
+
+ # Verify the index is as expected
+ git rev-parse >actual \
+ :2:two :3:two \
+ :2:four :3:four \
+ :2:six :3:six &&
+ git hash-object >expect \
+ merged-one merged-three \
+ merged-three merged-five \
+ merged-five merged-one &&
+ test_cmp expect actual &&
+
+ git cat-file -p :2:two >expect &&
+ git cat-file -p :3:two >other &&
+ test_must_fail git merge-file \
+ -L "HEAD" -L "" -L "B^0" \
+ expect empty other &&
+ test_cmp expect two &&
+
+ git cat-file -p :2:four >expect &&
+ git cat-file -p :3:four >other &&
+ test_must_fail git merge-file \
+ -L "HEAD" -L "" -L "B^0" \
+ expect empty other &&
+ test_cmp expect four &&
+
+ git cat-file -p :2:six >expect &&
+ git cat-file -p :3:six >other &&
+ test_must_fail git merge-file \
+ -L "HEAD" -L "" -L "B^0" \
+ expect empty other &&
+ test_cmp expect six
+ )
+'
+
test_done