rerere: fix overeager gc

diff --git a/t/t3030-merge-recursive.sh b/t/t3030-merge-recursive.sh
index 607f57ff941b7da5296ab58cbf5e30db66087669..9929f82021deeb20358016b487400b80e27b596f 100755 (executable)
--- a/t/t3030-merge-recursive.sh
+++ b/t/t3030-merge-recursive.sh
@@ -43,7 +43,7 @@ test_expect_success 'setup 1' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 '
 
 test_expect_success 'setup 2' '
@@ -61,7 +61,7 @@ test_expect_success 'setup 2' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual &&
+       test_cmp expected actual &&
 
        echo goodbye >>a &&
        o2=$(git hash-object a) &&
@@ -82,7 +82,7 @@ test_expect_success 'setup 2' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 '
 
 test_expect_success 'setup 3' '
@@ -100,7 +100,7 @@ test_expect_success 'setup 3' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual &&
+       test_cmp expected actual &&
 
        rm -f b && mkdir b && echo df-1 >b/c && git add b/c &&
        o3=$(git hash-object b/c) &&
@@ -119,7 +119,7 @@ test_expect_success 'setup 3' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 '
 
 test_expect_success 'setup 4' '
@@ -137,7 +137,7 @@ test_expect_success 'setup 4' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual &&
+       test_cmp expected actual &&
 
        rm -f a && mkdir a && echo df-2 >a/c && git add a/c &&
        o4=$(git hash-object a/c) &&
@@ -156,7 +156,7 @@ test_expect_success 'setup 4' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 '
 
 test_expect_success 'setup 5' '
@@ -174,7 +174,7 @@ test_expect_success 'setup 5' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual &&
+       test_cmp expected actual &&
 
        rm -f b &&
        echo remove-conflict >a &&
@@ -195,7 +195,7 @@ test_expect_success 'setup 5' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
@@ -214,7 +214,7 @@ test_expect_success 'setup 6' '
                echo "100644 $o0 0      c"
                echo "100644 $o0 0      d/e"
        ) >expected &&
-       git diff -u expected actual &&
+       test_cmp expected actual &&
 
        rm -fr d && echo df-3 >d && git add d &&
        o6=$(git hash-object d) &&
@@ -233,7 +233,7 @@ test_expect_success 'setup 6' '
                echo "100644 $o0 0      c"
                echo "100644 $o6 0      d"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 '
 
 test_expect_success 'merge-recursive simple' '
@@ -241,7 +241,7 @@ test_expect_success 'merge-recursive simple' '
        rm -fr [abcd] &&
        git checkout -f "$c2" &&
 
-       git-merge-recursive "$c0" -- "$c2" "$c1"
+       git merge-recursive "$c0" -- "$c2" "$c1"
        status=$?
        case "$status" in
        1)
@@ -265,16 +265,32 @@ test_expect_success 'merge-recursive result' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
+test_expect_success 'fail if the index has unresolved entries' '
+
+       rm -fr [abcd] &&
+       git checkout -f "$c1" &&
+
+       test_must_fail git merge "$c5" &&
+       test_must_fail git merge "$c5" 2> out &&
+       grep "not possible because you have unmerged files" out &&
+       git add -u &&
+       test_must_fail git merge "$c5" 2> out &&
+       grep "You have not concluded your merge" out &&
+       rm -f .git/MERGE_HEAD &&
+       test_must_fail git merge "$c5" 2> out &&
+       grep "Your local changes to .* would be overwritten by merge." out
+'
+
 test_expect_success 'merge-recursive remove conflict' '
 
        rm -fr [abcd] &&
        git checkout -f "$c1" &&
 
-       git-merge-recursive "$c0" -- "$c1" "$c5"
+       git merge-recursive "$c0" -- "$c1" "$c5"
        status=$?
        case "$status" in
        1)
@@ -297,7 +313,7 @@ test_expect_success 'merge-recursive remove conflict' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
@@ -306,7 +322,7 @@ test_expect_success 'merge-recursive d/f simple' '
        git reset --hard &&
        git checkout -f "$c1" &&
 
-       git-merge-recursive "$c0" -- "$c1" "$c3"
+       git merge-recursive "$c0" -- "$c1" "$c3"
 '
 
 test_expect_success 'merge-recursive result' '
@@ -318,7 +334,7 @@ test_expect_success 'merge-recursive result' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
@@ -328,7 +344,7 @@ test_expect_success 'merge-recursive d/f conflict' '
        git reset --hard &&
        git checkout -f "$c1" &&
 
-       git-merge-recursive "$c0" -- "$c1" "$c4"
+       git merge-recursive "$c0" -- "$c1" "$c4"
        status=$?
        case "$status" in
        1)
@@ -352,7 +368,7 @@ test_expect_success 'merge-recursive d/f conflict result' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
@@ -362,7 +378,7 @@ test_expect_success 'merge-recursive d/f conflict the other way' '
        git reset --hard &&
        git checkout -f "$c4" &&
 
-       git-merge-recursive "$c0" -- "$c4" "$c1"
+       git merge-recursive "$c0" -- "$c4" "$c1"
        status=$?
        case "$status" in
        1)
@@ -386,7 +402,7 @@ test_expect_success 'merge-recursive d/f conflict result the other way' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
@@ -396,7 +412,7 @@ test_expect_success 'merge-recursive d/f conflict' '
        git reset --hard &&
        git checkout -f "$c1" &&
 
-       git-merge-recursive "$c0" -- "$c1" "$c6"
+       git merge-recursive "$c0" -- "$c1" "$c6"
        status=$?
        case "$status" in
        1)
@@ -420,7 +436,7 @@ test_expect_success 'merge-recursive d/f conflict result' '
                echo "100644 $o0 1      d/e"
                echo "100644 $o1 2      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
@@ -430,7 +446,7 @@ test_expect_success 'merge-recursive d/f conflict' '
        git reset --hard &&
        git checkout -f "$c6" &&
 
-       git-merge-recursive "$c0" -- "$c6" "$c1"
+       git merge-recursive "$c0" -- "$c6" "$c1"
        status=$?
        case "$status" in
        1)
@@ -454,7 +470,7 @@ test_expect_success 'merge-recursive d/f conflict result' '
                echo "100644 $o0 1      d/e"
                echo "100644 $o1 3      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
 '
 
@@ -480,7 +496,7 @@ test_expect_success 'reset and bind merge' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual &&
+       test_cmp expected actual &&
 
        git read-tree --prefix=a1/ master &&
        git ls-files -s >actual &&
@@ -498,7 +514,7 @@ test_expect_success 'reset and bind merge' '
                echo "100644 $o0 0      c"
                echo "100644 $o1 0      d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
 
        git read-tree --prefix=z/ master &&
        git ls-files -s >actual &&
@@ -520,8 +536,19 @@ test_expect_success 'reset and bind merge' '
                echo "100644 $o0 0      z/c"
                echo "100644 $o1 0      z/d/e"
        ) >expected &&
-       git diff -u expected actual
+       test_cmp expected actual
+
+'
 
+test_expect_success 'merge removes empty directories' '
+
+       git reset --hard master &&
+       git checkout -b rm &&
+       git rm d/e &&
+       git commit -mremoved-d/e &&
+       git checkout master &&
+       git merge -s recursive rm &&
+       test_must_fail test -d d
 '
 
 test_done