Please refer to commit messages for details. Rationale: this issue was standing in my way while working on my --pathspec-from-file patches. Since this looks like an oversight, I decided to fix it. Alexandr Miloslavskiy (2): parse_branchname_arg(): extract part as new function checkout: die() on ambiguous tracking branches builtin/checkout.c | 71 ++++++++++++++++++++++------------------ t/t2024-checkout-dwim.sh | 23 +++++++++++-- 2 files changed, 60 insertions(+), 34 deletions(-) base-commit: d9f6f3b6195a0ca35642561e530798ad1469bd41 Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-477%2FSyntevoAlex%2F%230224(git)_deny_ambiguous_checkout-v1 Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-477/SyntevoAlex/#0224(git)_deny_ambiguous_checkout-v1 Pull-Request: https://github.com/gitgitgadget/git/pull/477 -- gitgitgadget