commit | be4908f1038861892878db29441be5a4a024784d | [log] [tgz] |
---|---|---|
author | Nguyễn Thái Ngọc Duy <pclouds@gmail.com> | Tue Nov 13 18:52:26 2018 +0100 |
committer | Junio C Hamano <gitster@pobox.com> | Wed Nov 14 15:02:24 2018 +0900 |
tree | 5a82fd9a5459e357a9e9dafc6bfefc960d567625 | |
parent | d166e6afe5f257217836ef24a73764eba390c58d [diff] |
checkout: disambiguate dwim tracking branches and local files When checkout dwim is added in [1], it is restricted to only dwim when certain conditions are met and fall back to default checkout behavior otherwise. It turns out falling back could be confusing. One of the conditions to turn git checkout frotz to git checkout -b frotz origin/frotz is that frotz must not exist as a file. But when the user comes to expect "git checkout frotz" to create the branch "frotz" and there happens to be a file named "frotz", git's silently reverting "frotz" file content is not helping. This is reported in Git mailing list [2] and even used as an example of "Git is bad" elsewhere [3]. We normally try to do the right thing, but when there are multiple "right things" to do, it's best to leave it to the user to decide. Check this case, ask the user to to disambiguate: - "git checkout -- foo" will check out path "foo" - "git checkout foo --" will dwim and create branch "foo" [4] For users who do not want dwim, use --no-guess. It's useless in this particular case because "git checkout --no-guess foo --" will just fail. But it could be used by scripts. [1] 70c9ac2f19 (DWIM "git checkout frotz" to "git checkout -b frotz origin/frotz" - 2009-10-18) [2] https://public-inbox.org/git/CACsJy8B2TVr1g+k+eSQ=pBEO3WN4_LtgLo9gpur8X7Z9GOFL_A@mail.gmail.com/ [3] https://news.ycombinator.com/item?id=18230655 [4] a047fafc78 (checkout: allow dwim for branch creation for "git checkout $branch --" - 2013-10-18) Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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