t3404: decouple some test cases from outcomes of previous test cases

Originally, the `--preserve-merges` option of the `git rebase` command
piggy-backed on top of the `--interactive` feature. For that reason, the
early test cases were added to the very same test script that contains
the `git rebase -i` tests: `t3404-rebase-interactive.sh`.

However, since c42abfe7857 (rebase: introduce a dedicated backend for
--preserve-merges, 2018-05-28), the `--preserve-merges` feature got its
own backend, in preparation for converting the rest of the
`--interactive` code to built-in code, written in C rather than shell.

The reason why the `--preserve-merges` feature was not converted at the
same time is that we have something much better now: `--rebase-merges`.
That option intends to supersede `--preserve-merges`, and we will
probably deprecate the latter soon.

Once `--preserve-merges` has been deprecated for a good amount of time,
it will be time to remove it, and along with it, its tests.

In preparation for that, let's make the rest of the test cases in
`t3404-rebase-interactive.sh` independent of the test cases dedicated to
`--preserve-merges`.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index ff89b6341a6fc19801959058e35039778bc6577b..99d1fb79a8ca92c629a6f254569309a9071ed376 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -387,6 +387,7 @@ test_expect_success 'edit ancestor with -p' '
 '
 
 test_expect_success '--continue tries to commit' '
+       git reset --hard D &&
        test_tick &&
        set_fake_editor &&
        test_must_fail git rebase -i --onto new-branch1 HEAD^ &&
@@ -426,7 +427,7 @@ test_expect_success C_LOCALE_OUTPUT 'multi-fixup does not fire up editor' '
                git rebase -i $base &&
        test $base = $(git rev-parse HEAD^) &&
        test 0 = $(git show | grep NEVER | wc -l) &&
-       git checkout to-be-rebased &&
+       git checkout @{-1} &&
        git branch -D multi-fixup
 '
 
@@ -441,7 +442,7 @@ test_expect_success 'commit message used after conflict' '
                git rebase --continue &&
        test $base = $(git rev-parse HEAD^) &&
        test 1 = $(git show | grep ONCE | wc -l) &&
-       git checkout to-be-rebased &&
+       git checkout @{-1} &&
        git branch -D conflict-fixup
 '
 
@@ -456,7 +457,7 @@ test_expect_success 'commit message retained after conflict' '
                git rebase --continue &&
        test $base = $(git rev-parse HEAD^) &&
        test 2 = $(git show | grep TWICE | wc -l) &&
-       git checkout to-be-rebased &&
+       git checkout @{-1} &&
        git branch -D conflict-squash
 '
 
@@ -481,7 +482,7 @@ test_expect_success C_LOCALE_OUTPUT 'squash and fixup generate correct log messa
                grep "^# This is a combination of 3 commits\."  &&
        git cat-file commit HEAD@{3} |
                grep "^# This is a combination of 2 commits\."  &&
-       git checkout to-be-rebased &&
+       git checkout @{-1} &&
        git branch -D squash-fixup
 '
 
@@ -494,7 +495,7 @@ test_expect_success C_LOCALE_OUTPUT 'squash ignores comments' '
                git rebase -i $base &&
        test $base = $(git rev-parse HEAD^) &&
        test 1 = $(git show | grep ONCE | wc -l) &&
-       git checkout to-be-rebased &&
+       git checkout @{-1} &&
        git branch -D skip-comments
 '
 
@@ -507,7 +508,7 @@ test_expect_success C_LOCALE_OUTPUT 'squash ignores blank lines' '
                git rebase -i $base &&
        test $base = $(git rev-parse HEAD^) &&
        test 1 = $(git show | grep ONCE | wc -l) &&
-       git checkout to-be-rebased &&
+       git checkout @{-1} &&
        git branch -D skip-blank-lines
 '
 
@@ -648,7 +649,7 @@ test_expect_success 'rebase with a file named HEAD in worktree' '
        ) &&
 
        set_fake_editor &&
-       FAKE_LINES="1 squash 2" git rebase -i to-be-rebased &&
+       FAKE_LINES="1 squash 2" git rebase -i @{-1} &&
        test "$(git show -s --pretty=format:%an)" = "Squashed Away"
 
 '