This allows for rebases to be run in parallel in separate worktrees
(think: interrupted in the middle of one rebase, being asked to perform
a different rebase, adding a separate worktree just for that job).

Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
---
 refs.c                            |  3 ++-
 t/t3430-rebase-recreate-merges.sh | 14 ++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/refs.c b/refs.c
index 20ba82b4343..e8b84c189ff 100644
--- a/refs.c
+++ b/refs.c
@@ -600,7 +600,8 @@ int dwim_log(const char *str, int len, struct object_id 
*oid, char **log)
 static int is_per_worktree_ref(const char *refname)
 {
        return !strcmp(refname, "HEAD") ||
-               starts_with(refname, "refs/bisect/");
+               starts_with(refname, "refs/bisect/") ||
+               starts_with(refname, "refs/rewritten/");
 }
 
 static int is_pseudoref_syntax(const char *refname)
diff --git a/t/t3430-rebase-recreate-merges.sh 
b/t/t3430-rebase-recreate-merges.sh
index 0073601a206..1a3e43d66ff 100755
--- a/t/t3430-rebase-recreate-merges.sh
+++ b/t/t3430-rebase-recreate-merges.sh
@@ -143,4 +143,18 @@ test_expect_success 'with a branch tip that was 
cherry-picked already' '
        EOF
 '
 
+test_expect_success 'refs/rewritten/* is worktree-local' '
+       git worktree add wt &&
+       cat >wt/script-from-scratch <<-\EOF &&
+       label xyz
+       exec GIT_DIR=../.git git rev-parse --verify refs/rewritten/xyz >a || :
+       exec git rev-parse --verify refs/rewritten/xyz >b
+       EOF
+
+       test_config -C wt sequence.editor \""$PWD"/replace-editor.sh\" &&
+       git -C wt rebase -i HEAD &&
+       test_must_be_empty wt/a &&
+       test_cmp_rev HEAD "$(cat wt/b)"
+'
+
 test_done
-- 
2.16.1.windows.1


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