t5303: use printf to generate delta bases

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 640fddc9c3903ba660d99b59a382d413706f7790..259c27233dff0e47e2e0d7ddd48ac8dc6742925b 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -796,16 +796,15 @@ test_expect_success 'always cherry-pick with --no-ff' '
        git tag original-no-ff-branch &&
        set_fake_editor &&
        git rebase -i --no-ff A &&
-       touch empty &&
        for p in 0 1 2
        do
                test ! $(git rev-parse HEAD~$p) = $(git rev-parse original-no-ff-branch~$p) &&
                git diff HEAD~$p original-no-ff-branch~$p > out &&
-               test_cmp empty out
+               test_must_be_empty out
        done &&
        test $(git rev-parse HEAD~3) = $(git rev-parse original-no-ff-branch~3) &&
        git diff HEAD~3 original-no-ff-branch~3 > out &&
-       test_cmp empty out
+       test_must_be_empty out
 '
 
 test_expect_success 'set up commits with funny messages' '
@@ -1247,7 +1246,7 @@ rebase_setup_and_clean () {
                test_might_fail git branch -D $1 &&
                test_might_fail git rebase --abort
        " &&
-       git checkout -b $1 master
+       git checkout -b $1 ${2:-master}
 }
 
 test_expect_success 'drop' '
@@ -1424,4 +1423,12 @@ test_expect_success 'rebase -i --gpg-sign=<key-id> overrides commit.gpgSign' '
        test_i18ngrep "$SQ-S\"S I Gner\"$SQ" err
 '
 
+test_expect_success 'valid author header after --root swap' '
+       rebase_setup_and_clean author-header no-conflict-branch &&
+       set_fake_editor &&
+       FAKE_LINES="2 1" git rebase -i --root &&
+       git cat-file commit HEAD^ >out &&
+       grep "^author ..*> [0-9][0-9]* [-+][0-9][0-9][0-9][0-9]$" out
+'
+
 test_done