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-rwxr-xr-xt/t6028-merge-up-to-date.sh92
1 files changed, 92 insertions, 0 deletions
diff --git a/t/t6028-merge-up-to-date.sh b/t/t6028-merge-up-to-date.sh
new file mode 100755
index 0000000000..c518e9c30c
--- /dev/null
+++ b/t/t6028-merge-up-to-date.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+
+test_description='merge fast-forward and up to date'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+ >file &&
+ git add file &&
+ test_tick &&
+ git commit -m initial &&
+ git tag c0 &&
+
+ echo second >file &&
+ git add file &&
+ test_tick &&
+ git commit -m second &&
+ git tag c1 &&
+ git branch test &&
+ echo third >file &&
+ git add file &&
+ test_tick &&
+ git commit -m third &&
+ git tag c2
+'
+
+test_expect_success 'merge -s recursive up-to-date' '
+
+ git reset --hard c1 &&
+ test_tick &&
+ git merge -s recursive c0 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s recursive fast-forward' '
+
+ git reset --hard c0 &&
+ test_tick &&
+ git merge -s recursive c1 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s ours up-to-date' '
+
+ git reset --hard c1 &&
+ test_tick &&
+ git merge -s ours c0 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s ours fast-forward' '
+
+ git reset --hard c0 &&
+ test_tick &&
+ git merge -s ours c1 &&
+ expect=$(git rev-parse c0^{tree}) &&
+ current=$(git rev-parse HEAD^{tree}) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge -s subtree up-to-date' '
+
+ git reset --hard c1 &&
+ test_tick &&
+ git merge -s subtree c0 &&
+ expect=$(git rev-parse c1) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+
+'
+
+test_expect_success 'merge fast-forward octopus' '
+
+ git reset --hard c0 &&
+ test_tick &&
+ git merge c1 c2
+ expect=$(git rev-parse c2) &&
+ current=$(git rev-parse HEAD) &&
+ test "$expect" = "$current"
+'
+
+test_done