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| author |  Nguyễn Thái Ngọc Duy <pclouds@gmail.com> | 2018-11-13 18:52:26 +0100 |
|---|---|---|
| committer |  Junio C Hamano <gitster@pobox.com> | 2018-11-14 15:02:24 +0900 |
| commit | be4908f1038861892878db29441be5a4a024784d (patch) | |
| tree | 5a82fd9a5459e357a9e9dafc6bfefc960d567625 /Documentation | |
| parent | Tenth batch for 2.20 (diff) | |
| download | tgif-be4908f1038861892878db29441be5a4a024784d.tar.xz | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/git-checkout.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt index 801de2f764..6acc3d98e7 100644 --- a/Documentation/git-checkout.txt +++ b/Documentation/git-checkout.txt @@ -276,6 +276,10 @@ section of linkgit:git-add[1] to learn how to operate the `--patch` mode. Just like linkgit:git-submodule[1], this will detach the submodules HEAD. +--no-guess:: + Do not attempt to create a branch if a remote tracking branch + of the same name exists. + <branch>:: Branch to checkout; if it refers to a branch (i.e., a name that, when prepended with "refs/heads/", is a valid ref), then that |