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-rwxr-xr-xt/t6042-merge-rename-corner-cases.sh125
1 files changed, 125 insertions, 0 deletions
diff --git a/t/t6042-merge-rename-corner-cases.sh b/t/t6042-merge-rename-corner-cases.sh
index 371fb39c6a..427fe1c913 100755
--- a/t/t6042-merge-rename-corner-cases.sh
+++ b/t/t6042-merge-rename-corner-cases.sh
@@ -441,4 +441,129 @@ test_expect_success 'merge has correct working tree contents' '
test $(git hash-object c) = $(git rev-parse A:a)
'
+# Testcase setup for rename/rename(1to2)/add-source conflict:
+# Commit A: new file: a
+# Commit B: rename a->b
+# Commit C: rename a->c, add completely different a
+#
+# Merging of B & C should NOT be clean; there's a rename/rename conflict
+
+test_expect_success 'setup rename/rename(1to2)/add-source conflict' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ printf "1\n2\n3\n4\n5\n6\n7\n" >a &&
+ git add a &&
+ git commit -m A &&
+ git tag A &&
+
+ git checkout -b B A &&
+ git mv a b &&
+ git commit -m B &&
+
+ git checkout -b C A &&
+ git mv a c &&
+ echo something completely different >a &&
+ git add a &&
+ git commit -m C
+'
+
+test_expect_failure 'detect conflict with rename/rename(1to2)/add-source merge' '
+ git checkout B^0 &&
+
+ test_must_fail git merge -s recursive C^0 &&
+
+ test 4 -eq $(git ls-files -s | wc -l) &&
+ test 0 -eq $(git ls-files -o | wc -l) &&
+
+ test $(git rev-parse 3:a) = $(git rev-parse C:a) &&
+ test $(git rev-parse 1:a) = $(git rev-parse A:a) &&
+ test $(git rev-parse 2:b) = $(git rev-parse B:b) &&
+ test $(git rev-parse 3:c) = $(git rev-parse C:c) &&
+
+ test -f a &&
+ test -f b &&
+ test -f c
+'
+
+test_expect_success 'setup rename/rename(1to2)/add-source resolvable conflict' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ >a &&
+ git add a &&
+ test_tick &&
+ git commit -m base &&
+ git tag A &&
+
+ git checkout -b B A &&
+ git mv a b &&
+ test_tick &&
+ git commit -m one &&
+
+ git checkout -b C A &&
+ git mv a b &&
+ echo important-info >a &&
+ git add a &&
+ test_tick &&
+ git commit -m two
+'
+
+test_expect_failure 'rename/rename/add-source still tracks new a file' '
+ git checkout C^0 &&
+ git merge -s recursive B^0 &&
+
+ test 2 -eq $(git ls-files -s | wc -l) &&
+ test 0 -eq $(git ls-files -o | wc -l) &&
+
+ test $(git rev-parse HEAD:a) = $(git rev-parse C:a) &&
+ test $(git rev-parse HEAD:b) = $(git rev-parse A:a)
+'
+
+test_expect_success 'setup rename/rename(1to2)/add-dest conflict' '
+ git rm -rf . &&
+ git clean -fdqx &&
+ rm -rf .git &&
+ git init &&
+
+ echo stuff >a &&
+ git add a &&
+ test_tick &&
+ git commit -m base &&
+ git tag A &&
+
+ git checkout -b B A &&
+ git mv a b &&
+ echo precious-data >c &&
+ git add c &&
+ test_tick &&
+ git commit -m one &&
+
+ git checkout -b C A &&
+ git mv a c &&
+ echo important-info >b &&
+ git add b &&
+ test_tick &&
+ git commit -m two
+'
+
+test_expect_failure 'rename/rename/add-dest merge still knows about conflicting file versions' '
+ git checkout C^0 &&
+ test_must_fail git merge -s recursive B^0 &&
+
+ test 5 -eq $(git ls-files -s | wc -l) &&
+ test 2 -eq $(git ls-files -u b | wc -l) &&
+ test 2 -eq $(git ls-files -u c | wc -l) &&
+
+ test $(git rev-parse :1:a) = $(git rev-parse A:a) &&
+ test $(git rev-parse :2:b) = $(git rev-parse C:b) &&
+ test $(git rev-parse :3:b) = $(git rev-parse B:b) &&
+ test $(git rev-parse :2:c) = $(git rev-parse C:c) &&
+ test $(git rev-parse :3:c) = $(git rev-parse B:c)
+'
+
test_done