t5100: Avoid filename "nul"

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index e5ed74545b8a2ac9c2063b2ae40d7c661bda0260..b9e3dbd242cc92710d1c689ca5412619e46ee63f 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -61,8 +61,8 @@ test_expect_success 'setup' '
        git tag I
 '
 
-cat > fake-editor.sh <<\EOF
-#!/bin/sh
+echo "#!$SHELL_PATH" >fake-editor.sh
+cat >> fake-editor.sh <<\EOF
 case "$1" in
 */COMMIT_EDITMSG)
        test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1"
@@ -91,9 +91,8 @@ for line in $FAKE_LINES; do
 done
 EOF
 
+test_set_editor "$(pwd)/fake-editor.sh"
 chmod a+x fake-editor.sh
-VISUAL="$(pwd)/fake-editor.sh"
-export VISUAL
 
 test_expect_success 'no changes are a nop' '
        git rebase -i F &&
@@ -122,8 +121,8 @@ test_expect_success 'reflog for the branch shows state before rebase' '
 
 test_expect_success 'exchange two commits' '
        FAKE_LINES="2 1" git rebase -i HEAD~2 &&
-       test H = $(git cat-file commit HEAD^ | tail -n 1) &&
-       test G = $(git cat-file commit HEAD | tail -n 1)
+       test H = $(git cat-file commit HEAD^ | sed -ne \$p) &&
+       test G = $(git cat-file commit HEAD | sed -ne \$p)
 '
 
 cat > expect << EOF
@@ -146,11 +145,10 @@ EOF
 test_expect_success 'stop on conflicting pick' '
        git tag new-branch1 &&
        ! git rebase -i master &&
-       diff -u expect .git/.dotest-merge/patch &&
-       diff -u expect2 file1 &&
+       test_cmp expect .git/.dotest-merge/patch &&
+       test_cmp expect2 file1 &&
        test 4 = $(grep -v "^#" < .git/.dotest-merge/done | wc -l) &&
-       test 0 = $(grep -ve "^#" -e "^$" < .git/.dotest-merge/git-rebase-todo |
-               wc -l)
+       test 0 = $(grep -c "^[^#]" < .git/.dotest-merge/git-rebase-todo)
 '
 
 test_expect_success 'abort' '