From: "Julia Evans via GitGitGadget" <gitgitgadget@gmail•com>
To: git@vger•kernel.org
Cc: "D. Ben Knoble" <ben.knoble@gmail•com>,
Julia Evans <julia@jvns•ca>, Julia Evans <julia@jvns•ca>
Subject: [PATCH v4 2/7] doc: git-checkout: clarify ARGUMENT DISAMBIGUATION
Date: Wed, 10 Sep 2025 19:14:24 +0000 [thread overview]
Message-ID: <08f0a5efab9d5dd57e1a49d00664e9453b6413f5.1757531669.git.gitgitgadget@gmail.com> (raw)
In-Reply-To: <pull.1962.v4.git.1757531669.gitgitgadget@gmail.com>
From: Julia Evans <julia@jvns•ca>
There's no need to use the terms "pathspec" or "tree-ish" in the
ARGUMENT DISAMBIGUATION section, which are terms that (from user
feedback on this page) many users do not understand.
"tree-ish" is actually not accurate here: `git checkout` in this case
takes a commit-ish, not a tree-ish. So we can say "branch or commit"
instead of "tree-ish" which is both more accurate and uses more familiar
terms.
And now that the intro to the man pages mentions that `git checkout` has
"two main modes", it makes sense to refer to this disambiguation section
to understand how Git decides which one to use when there's an overlap
in syntax.
Signed-off-by: Julia Evans <julia@jvns•ca>
---
Documentation/git-checkout.adoc | 22 ++++++++++++++--------
1 file changed, 14 insertions(+), 8 deletions(-)
diff --git a/Documentation/git-checkout.adoc b/Documentation/git-checkout.adoc
index 9733c73450..d6f4044a09 100644
--- a/Documentation/git-checkout.adoc
+++ b/Documentation/git-checkout.adoc
@@ -27,6 +27,8 @@ DESCRIPTION
2. **Restore a different version of a file**, for example with
`git checkout <commit> <filename>` or `git checkout <filename>`
+See ARGUMENT DISAMBIGUATION below for how Git decides which one to do.
+
`git checkout [<branch>]`::
To prepare for working on _<branch>_, switch to it by updating
the index and the files in the working tree, and by pointing
@@ -513,14 +515,18 @@ $ git log -g -2 HEAD
ARGUMENT DISAMBIGUATION
-----------------------
-When there is only one argument given and it is not `--` (e.g. `git
-checkout abc`), and when the argument is both a valid _<tree-ish>_
-(e.g. a branch `abc` exists) and a valid _<pathspec>_ (e.g. a file
-or a directory whose name is "abc" exists), Git would usually ask
-you to disambiguate. Because checking out a branch is so common an
-operation, however, `git checkout abc` takes "abc" as a _<tree-ish>_
-in such a situation. Use `git checkout -- <pathspec>` if you want
-to checkout these paths out of the index.
+When you run `git checkout <something>`, Git tries to guess whether
+`<something>` is intended to be a branch, a commit, or a set of file(s),
+and then either switches to that branch or commit, or restores the
+specified files.
+
+If there's any ambiguity, Git will treat `<something>` as a branch or
+commit, but you can use the double dash `--` to force Git to treat the
+parameter as a list of files and/or directories, like this:
+
+----------
+git checkout -- file.txt
+----------
EXAMPLES
--------
--
gitgitgadget
next prev parent reply other threads:[~2025-09-10 19:14 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-25 19:08 [PATCH 0/5] doc: git-checkout: clarify DESCRIPTION section Julia Evans via GitGitGadget
2025-08-25 19:08 ` [PATCH 1/5] doc: git-checkout: clarify intro Julia Evans via GitGitGadget
2025-08-26 18:46 ` Junio C Hamano
2025-08-26 18:51 ` Junio C Hamano
2025-08-26 20:56 ` Julia Evans
2025-08-28 14:00 ` D. Ben Knoble
2025-08-28 22:34 ` Julia Evans
2025-08-28 23:44 ` Junio C Hamano
2025-08-29 13:39 ` D. Ben Knoble
2025-08-29 21:00 ` Junio C Hamano
2025-09-03 23:48 ` D. Ben Knoble
2025-08-25 19:08 ` [PATCH 2/5] doc: git-checkout: clarify `git checkout <branch>` Julia Evans via GitGitGadget
2025-08-26 21:38 ` Junio C Hamano
2025-08-28 12:11 ` Julia Evans
2025-08-28 15:45 ` Junio C Hamano
2025-08-28 18:24 ` Julia Evans
2025-08-25 19:08 ` [PATCH 3/5] doc: git-checkout: don't use "reset" Julia Evans via GitGitGadget
2025-08-25 19:08 ` [PATCH 4/5] doc: git-checkout: deduplicate --detach explanation Julia Evans via GitGitGadget
2025-08-25 19:08 ` [PATCH 5/5] doc: git-checkout: clarify restoring files section Julia Evans via GitGitGadget
2025-08-26 22:43 ` Junio C Hamano
2025-08-28 13:26 ` Julia Evans
2025-08-28 19:08 ` D. Ben Knoble
2025-08-28 19:59 ` Julia Evans
2025-08-28 20:38 ` Junio C Hamano
2025-08-29 13:48 ` D. Ben Knoble
2025-08-29 11:45 ` [PATCH v2 0/5] doc: git-checkout: clarify DESCRIPTION section Julia Evans via GitGitGadget
2025-08-29 11:45 ` [PATCH v2 1/5] doc: git-checkout: clarify intro Julia Evans via GitGitGadget
2025-08-29 15:58 ` Junio C Hamano
2025-09-02 17:14 ` Julia Evans
2025-08-29 11:45 ` [PATCH v2 2/5] doc: git-checkout: clarify `git checkout <branch>` Julia Evans via GitGitGadget
2025-08-29 16:03 ` Junio C Hamano
2025-09-02 17:16 ` Julia Evans
2025-08-29 11:45 ` [PATCH v2 3/5] doc: git-checkout: don't use "reset" Julia Evans via GitGitGadget
2025-08-29 16:22 ` Junio C Hamano
2025-09-01 14:28 ` Julia Evans
2025-09-02 16:10 ` Junio C Hamano
2025-08-29 11:45 ` [PATCH v2 4/5] doc: git-checkout: deduplicate --detach explanation Julia Evans via GitGitGadget
2025-08-29 11:45 ` [PATCH v2 5/5] doc: git-checkout: clarify restoring files section Julia Evans via GitGitGadget
2025-09-03 16:49 ` [PATCH v3 0/6] doc: git-checkout: clarify DESCRIPTION section Julia Evans via GitGitGadget
2025-09-03 16:49 ` [PATCH v3 1/6] doc: git-checkout: clarify intro Julia Evans via GitGitGadget
2025-09-03 16:49 ` [PATCH v3 2/6] doc: git-checkout: clarify `git checkout <branch>` Julia Evans via GitGitGadget
2025-09-03 16:49 ` [PATCH v3 3/6] doc: git-checkout: clarify `-b` and `-B` Julia Evans via GitGitGadget
2025-09-03 16:50 ` [PATCH v3 4/6] doc: git-checkout: deduplicate --detach explanation Julia Evans via GitGitGadget
2025-09-03 16:50 ` [PATCH v3 5/6] doc: git-checkout: split up restoring files section Julia Evans via GitGitGadget
2025-09-03 16:50 ` [PATCH v3 6/6] doc: git-checkout: clarify " Julia Evans via GitGitGadget
2025-09-03 21:29 ` Junio C Hamano
2025-09-03 21:09 ` [PATCH v3 0/6] doc: git-checkout: clarify DESCRIPTION section Junio C Hamano
2025-09-03 21:28 ` Julia Evans
2025-09-10 19:14 ` [PATCH v4 0/7] " Julia Evans via GitGitGadget
2025-09-10 19:14 ` [PATCH v4 1/7] doc: git-checkout: clarify intro sentence Julia Evans via GitGitGadget
2025-09-10 19:14 ` Julia Evans via GitGitGadget [this message]
2025-09-10 19:14 ` [PATCH v4 3/7] doc: git-checkout: clarify `git checkout <branch>` Julia Evans via GitGitGadget
2025-09-10 19:14 ` [PATCH v4 4/7] doc: git-checkout: clarify `-b` and `-B` Julia Evans via GitGitGadget
2025-09-29 18:07 ` Kristoffer Haugsbakk
2025-10-02 18:37 ` [PATCH] doc: git-checkout: fix placeholder markup kristofferhaugsbakk
2025-10-16 22:11 ` [PATCH resend] " kristofferhaugsbakk
2025-10-17 13:56 ` Julia Evans
2025-10-17 15:50 ` [PATCH v2] " kristofferhaugsbakk
2025-09-10 19:14 ` [PATCH v4 5/7] doc: git-checkout: deduplicate --detach explanation Julia Evans via GitGitGadget
2025-09-10 19:14 ` [PATCH v4 6/7] doc: git-checkout: split up restoring files section Julia Evans via GitGitGadget
2025-09-10 19:14 ` [PATCH v4 7/7] doc: git-checkout: clarify " Julia Evans via GitGitGadget
2025-09-11 13:01 ` [PATCH v4 0/7] doc: git-checkout: clarify DESCRIPTION section Ben Knoble
2025-09-12 14:05 ` Julia Evans
2025-09-12 14:26 ` Kristoffer Haugsbakk
2025-09-15 23:22 ` Junio C Hamano
2025-09-16 6:41 ` Kristoffer Haugsbakk
2025-09-12 16:23 ` Junio C Hamano
2025-09-17 18:38 ` Junio C Hamano
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=08f0a5efab9d5dd57e1a49d00664e9453b6413f5.1757531669.git.gitgitgadget@gmail.com \
--to=gitgitgadget@gmail$(echo .)com \
--cc=ben.knoble@gmail$(echo .)com \
--cc=git@vger$(echo .)kernel.org \
--cc=julia@jvns$(echo .)ca \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox