xdiff: handle appended chunks better with -W

diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh
index b45bd1e76cd24940545706c8f5611adce9b3803e..6061a04147a06dba0d049cbb5d31f8049c2210d0 100755 (executable)
--- a/t/t7700-repack.sh
+++ b/t/t7700-repack.sh
@@ -35,9 +35,41 @@ test_expect_success 'objects in packs marked .keep are not repacked' '
        test -z "$found_duplicate_object"
 '
 
+test_expect_success 'writing bitmaps via command-line can duplicate .keep objects' '
+       # build on $objsha1, $packsha1, and .keep state from previous
+       git repack -Adbl &&
+       test_when_finished "found_duplicate_object=" &&
+       for p in .git/objects/pack/*.idx; do
+               idx=$(basename $p)
+               test "pack-$packsha1.idx" = "$idx" && continue
+               if git verify-pack -v $p | egrep "^$objsha1"; then
+                       found_duplicate_object=1
+                       echo "DUPLICATE OBJECT FOUND"
+                       break
+               fi
+       done &&
+       test "$found_duplicate_object" = 1
+'
+
+test_expect_success 'writing bitmaps via config can duplicate .keep objects' '
+       # build on $objsha1, $packsha1, and .keep state from previous
+       git -c repack.writebitmaps=true repack -Adl &&
+       test_when_finished "found_duplicate_object=" &&
+       for p in .git/objects/pack/*.idx; do
+               idx=$(basename $p)
+               test "pack-$packsha1.idx" = "$idx" && continue
+               if git verify-pack -v $p | egrep "^$objsha1"; then
+                       found_duplicate_object=1
+                       echo "DUPLICATE OBJECT FOUND"
+                       break
+               fi
+       done &&
+       test "$found_duplicate_object" = 1
+'
+
 test_expect_success 'loose objects in alternate ODB are not repacked' '
        mkdir alt_objects &&
-       echo `pwd`/alt_objects > .git/objects/info/alternates &&
+       echo $(pwd)/alt_objects > .git/objects/info/alternates &&
        echo content3 > file3 &&
        objsha1=$(GIT_OBJECT_DIRECTORY=alt_objects git hash-object -w file3) &&
        git add file3 &&
@@ -136,7 +168,7 @@ test_expect_success 'packed unreachable obs in alternate ODB are not loosened' '
 '
 
 test_expect_success 'local packed unreachable obs that exist in alternate ODB are not loosened' '
-       echo `pwd`/alt_objects > .git/objects/info/alternates &&
+       echo $(pwd)/alt_objects > .git/objects/info/alternates &&
        echo "$csha1" | git pack-objects --non-empty --all --reflog pack &&
        rm -f .git/objects/pack/* &&
        mv pack-* .git/objects/pack/ &&