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-rw-r--r--t/t1005-read-tree-m-2way-emu23.sh20
1 files changed, 16 insertions, 4 deletions
diff --git a/t/t1005-read-tree-m-2way-emu23.sh b/t/t1005-read-tree-m-2way-emu23.sh
index 495642e..bb955ed 100644
--- a/t/t1005-read-tree-m-2way-emu23.sh
+++ b/t/t1005-read-tree-m-2way-emu23.sh
@@ -80,6 +80,17 @@ test_expect_success \
git-ls-tree $treeM &&
git-diff-tree $treeH $treeM'
+# "read-tree -m H I+H M" but I is empty so this is "read-tree -m H H M".
+#
+# bozbar [O && A && B && O==A && O!=B (#14) ==> B] take M by read-tree
+# frotz [!O && !A && B (#2) ==> B] take M by read-tree
+# nitfol [O && A && B && O==A && O==B (#15) ==> B] take M by read-tree
+# rezrov [O && A && !B && O==A (#10) ==> no merge] removed by script
+#
+# Earlier one did not have #2ALT so taking M was done by the script,
+# which also updated the work tree and making frotz clean. With #2ALT,
+# this is resolved by read-tree itself and the path is left dirty
+# because we are not testing "read-tree -u --emu23".
test_expect_success \
'1, 2, 3 - no carry forward' \
'rm -f .git/index &&
@@ -87,7 +98,7 @@ test_expect_success \
git-ls-files --stage >1-3.out &&
diff -u M.out 1-3.out &&
check_cache_at bozbar dirty &&
- check_cache_at frotz clean && # different from pure 2-way
+ check_cache_at frotz dirty && # same as pure 2-way again.
check_cache_at nitfol dirty'
echo '+100644 X 0 yomin' >expected
@@ -103,8 +114,8 @@ test_expect_success \
check_cache_at yomin clean'
# "read-tree -m H I+H M" where !H && !M; so (I+H) not being up-to-date
-# should not matter, but without #3ALT this does not work.
-: test_expect_success \
+# should not matter. Thanks to #3ALT, this is now possible.
+test_expect_success \
'5 - carry forward local addition.' \
'rm -f .git/index &&
echo yomin >yomin &&
@@ -218,6 +229,7 @@ test_expect_success \
# This is different from straight 2-way merge in that it leaves
# three stages of bozbar in the index file without failing, so
# the user can run git-diff-stages to examine the situation.
+# With #2ALT, frotz is resolved internally.
test_expect_success \
'16 - conflicting local change.' \
'rm -f .git/index &&
@@ -228,7 +240,7 @@ test_expect_success \
100644 X 1 bozbar
100644 X 2 bozbar
100644 X 3 bozbar
-100644 X 3 frotz
+100644 X 0 frotz
100644 X 0 nitfol
100644 X 1 rezrov
100644 X 2 rezrov