git read-tree -m -u --exclude-per-directory=.gitignore branch-point master side
'
+test_expect_success '3-way not overwriting local changes (setup)' '
+
+ git reset --hard &&
+ git checkout -b side-a branch-point &&
+ echo >>file1 "new line to be kept in the merge result" &&
+ git commit -a -m "side-a changes file1" &&
+ git checkout -b side-b branch-point &&
+ echo >>file2 "new line to be kept in the merge result" &&
+ git commit -a -m "side-b changes file2" &&
+ git checkout side-a
+
+'
+
+test_expect_success '3-way not overwriting local changes (our side)' '
+
+ # At this point, file1 from side-a should be kept as side-b
+ # did not touch it.
+
+ git reset --hard &&
+
+ echo >>file1 "local changes" &&
+ git read-tree -m -u branch-point side-a side-b &&
+ grep "new line to be kept" file1 &&
+ grep "local changes" file1
+
+'
+
+test_expect_success '3-way not overwriting local changes (their side)' '
+
+ # At this point, file2 from side-b should be taken as side-a
+ # did not touch it.
+
+ git reset --hard &&
+
+ echo >>file2 "local changes" &&
+ test_must_fail git read-tree -m -u branch-point side-a side-b &&
+ ! grep "new line to be kept" file2 &&
+ grep "local changes" file2
+
+'
+
+test_expect_success 'funny symlink in work tree' '
+
+ git reset --hard &&
+ git checkout -b sym-b side-b &&
+ mkdir -p a &&
+ >a/b &&
+ git add a/b &&
+ git commit -m "side adds a/b" &&
+
+ rm -fr a &&
+ git checkout -b sym-a side-a &&
+ mkdir -p a &&
+ ln -s ../b a/b &&
+ git add a/b &&
+ git commit -m "we add a/b" &&
+
+ git read-tree -m -u sym-a sym-a sym-b
+
+'
+
+test_expect_success 'funny symlink in work tree, un-unlink-able' '
+
+ rm -fr a b &&
+ git reset --hard &&
+
+ git checkout sym-a &&
+ chmod a-w a &&
+ test_must_fail git read-tree -m -u sym-a sym-a sym-b
+
+'
+
+# clean-up from the above test
+chmod a+w a
+rm -fr a b
+
+test_expect_success 'D/F setup' '
+
+ git reset --hard &&
+
+ git checkout side-a &&
+ rm -f subdir/file2 &&
+ mkdir subdir/file2 &&
+ echo qfwfq >subdir/file2/another &&
+ git add subdir/file2/another &&
+ test_tick &&
+ git commit -m "side-a changes file2 to directory"
+
+'
+
+test_expect_success 'D/F' '
+
+ git checkout side-b &&
+ git read-tree -m -u branch-point side-b side-a &&
+ git ls-files -u >actual &&
+ (
+ a=$(git rev-parse branch-point:subdir/file2)
+ b=$(git rev-parse side-a:subdir/file2/another)
+ echo "100644 $a 1 subdir/file2"
+ echo "100644 $a 2 subdir/file2"
+ echo "100644 $b 3 subdir/file2/another"
+ ) >expect &&
+ test_cmp actual expect
+
+'
+
+test_expect_success 'D/F resolve' '
+
+ git reset --hard &&
+ git checkout side-b &&
+ git merge-resolve branch-point -- side-b side-a
+
+'
+
+test_expect_success 'D/F recursive' '
+
+ git reset --hard &&
+ git checkout side-b &&
+ git merge-recursive branch-point -- side-b side-a
+
+'
+
test_done