difftool: fallback on merge.guitool

diff --git a/t/t3430-rebase-merges.sh b/t/t3430-rebase-merges.sh
index 90ae613e23fb5bbbde638c25dd052d398169fba6..aa7bfc88ece9de7f542f354c78b7be9ec6d2bdf7 100755 (executable)
--- a/t/t3430-rebase-merges.sh
+++ b/t/t3430-rebase-merges.sh
@@ -13,8 +13,10 @@ Initial setup:
     -- B --                   (first)
    /       \
  A - C - D - E - H            (master)
-       \       /
-         F - G                (second)
+   \    \       /
+    \    F - G                (second)
+     \
+      Conflicting-G
 '
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-rebase.sh
@@ -49,7 +51,9 @@ test_expect_success 'setup' '
        git merge --no-commit G &&
        test_tick &&
        git commit -m H &&
-       git tag -m H H
+       git tag -m H H &&
+       git checkout A &&
+       test_commit conflicting-G G.t
 '
 
 test_expect_success 'create completely different structure' '
@@ -72,7 +76,7 @@ test_expect_success 'create completely different structure' '
        EOF
        test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
        test_tick &&
-       git rebase -i -r A &&
+       git rebase -i -r A master &&
        test_cmp_graph <<-\EOF
        *   Merge the topic branch '\''onebranch'\''
        |\
@@ -125,7 +129,7 @@ test_expect_success '`reset` refuses to overwrite untracked files' '
        git rebase --abort
 '
 
-test_expect_success 'failed `merge` writes patch (may be rescheduled, too)' '
+test_expect_success 'failed `merge -C` writes patch (may be rescheduled, too)' '
        test_when_finished "test_might_fail git rebase --abort" &&
        git checkout -b conflicting-merge A &&
 
@@ -141,13 +145,25 @@ test_expect_success 'failed `merge` writes patch (may be rescheduled, too)' '
 
        : fail because of merge conflict &&
        rm G.t .git/rebase-merge/patch &&
-       git reset --hard &&
-       test_commit conflicting-G G.t not-G conflicting-G &&
+       git reset --hard conflicting-G &&
        test_must_fail git rebase --continue &&
        ! grep "^merge -C .* G$" .git/rebase-merge/git-rebase-todo &&
        test_path_is_file .git/rebase-merge/patch
 '
 
+SQ="'"
+test_expect_success 'failed `merge <branch>` does not crash' '
+       test_when_finished "test_might_fail git rebase --abort" &&
+       git checkout conflicting-G &&
+
+       echo "merge G" >script-from-scratch &&
+       test_config sequence.editor \""$PWD"/replace-editor.sh\" &&
+       test_tick &&
+       test_must_fail git rebase -ir HEAD &&
+       ! grep "^merge G$" .git/rebase-merge/git-rebase-todo &&
+       grep "^Merge branch ${SQ}G${SQ}$" .git/rebase-merge/message
+'
+
 test_expect_success 'with a branch tip that was cherry-picked already' '
        git checkout -b already-upstream master &&
        base="$(git rev-parse --verify HEAD)" &&