test-lib: introduce test_line_count to measure files

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index af3b663aeee8354c6f8f2dff05666f6d70c07055..c0e69f61b3f03e40ade613da8e9ca4256206653a 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -46,7 +46,7 @@ test_expect_success 'setup' '
        test_commit G file1 &&
        test_commit H file5 &&
        git checkout -b branch2 F &&
-       test_commit I file6
+       test_commit I file6 &&
        git checkout -b conflict-branch A &&
        for n in one two three four
        do
@@ -101,10 +101,10 @@ test_expect_success 'rebase -i with the exec command' '
 
 test_expect_success 'rebase -i with the exec command runs from tree root' '
        git checkout master &&
-       mkdir subdir && cd subdir &&
+       mkdir subdir && (cd subdir &&
        FAKE_LINES="1 exec_>touch-subdir" \
-               git rebase -i HEAD^ &&
-       cd .. &&
+               git rebase -i HEAD^
+       ) &&
        test_path_is_file touch-subdir &&
        rm -fr subdir
 '
@@ -584,7 +584,7 @@ test_expect_success 'do "noop" when there is nothing to cherry-pick' '
 
        git checkout -b branch4 HEAD &&
        GIT_EDITOR=: git commit --amend \
-               --author="Somebody else <somebody@else.com>" 
+               --author="Somebody else <somebody@else.com>" &&
        test $(git rev-parse branch3) != $(git rev-parse branch4) &&
        git rebase -i branch3 &&
        test $(git rev-parse branch3) = $(git rev-parse branch4)
@@ -599,7 +599,7 @@ test_expect_success 'submodule rebase setup' '
                git add elif && git commit -m "submodule initial"
        ) &&
        echo 1 >file1 &&
-       git add file1 sub
+       git add file1 sub &&
        test_tick &&
        git commit -m "One" &&
        echo 2 >file1 &&