difftool: fix use-after-free

diff --git a/t/t1700-split-index.sh b/t/t1700-split-index.sh
index 8aef49f23624305a62047da4bc2fd66e6a03b0e5..292a0720fccb0becca47fad2945634cbffeb89d6 100755 (executable)
--- a/t/t1700-split-index.sh
+++ b/t/t1700-split-index.sh
@@ -33,14 +33,14 @@ test_expect_success 'add one file' '
        git update-index --add one &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
        test-dump-split-index .git/index | sed "/^own/d" >actual &&
        cat >expect <<EOF &&
 base $base
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 replacements:
 deletions:
 EOF
@@ -51,7 +51,7 @@ test_expect_success 'disable split index' '
        git update-index --no-split-index &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
@@ -67,7 +67,7 @@ test_expect_success 'enable split index again, "one" now belongs to base index"'
        git update-index --split-index &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
@@ -105,7 +105,7 @@ test_expect_success 'add another file, which stays index' '
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0      one
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   two
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
@@ -113,7 +113,7 @@ EOF
        q_to_tab >expect <<EOF &&
 $BASE
 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   two
 replacements: 0
 deletions:
 EOF
@@ -159,14 +159,14 @@ test_expect_success 'add original file back' '
        git update-index --add one &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
        test-dump-split-index .git/index | sed "/^own/d" >actual &&
        cat >expect <<EOF &&
 $BASE
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 replacements:
 deletions: 0
 EOF
@@ -178,8 +178,8 @@ test_expect_success 'add new file' '
        git update-index --add two &&
        git ls-files --stage >actual &&
        cat >expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   one
+100644 $EMPTY_BLOB 0   two
 EOF
        test_cmp expect actual
 '
@@ -188,8 +188,8 @@ test_expect_success 'unify index, two files remain' '
        git update-index --no-split-index &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   one
+100644 $EMPTY_BLOB 0   two
 EOF
        test_cmp ls-files.expect ls-files.actual &&