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From: Stefan Xenos <sxenos@google.com>
To: pclouds@gmail.com
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	git@vger.kernel.org, "Stefan Beller" <sbeller@google.com>,
	t.gummerer@gmail.com
Subject: Re: [PATCH v2 6/7] checkout: split into switch-branch and checkout-files
Date: Wed, 28 Nov 2018 15:37:56 -0800
Message-ID: <CAPL8ZisWR_uzoy2wYqgpNfxNvcjD7wvB4HN90FT9aeK54DCd=Q@mail.gmail.com> (raw)
In-Reply-To: <CAPL8ZivJ+=Y=8pxvs3sJrdxVtkn9xfTA63GeHcr=J0Y2JscOMQ@mail.gmail.com>

More thoughts:

git switch-branch should never detach HEAD unless asked to do so
explicitly. That also means that "git switch-branch" shouldn't accept
any of the non-branch tree-ish arguments that would have caused "git
checkout" to do so.
On Wed, Nov 28, 2018 at 3:26 PM Stefan Xenos <sxenos@google.com> wrote:
>
> Although I have no problem with "switch-branch" as a command name,
> some alternative names we might consider for switch-branch might be:
>
> chbranch
> swbranch
> switch
> branch change (as a subcommand for the "branch" command)
>
> I've personally been using "chbranch" as an alias for this
> functionality for some time.
>
>   - Stefan
> On Wed, Nov 28, 2018 at 3:22 PM Stefan Xenos <sxenos@google.com> wrote:
> >
> > > Since the other one is already "checkout-files", maybe this one could just be "checkout-branch".
> >
> > I rather like switch-branch and dislike the word "checkout" since it
> > has been overloaded in git for so long (does it mean moving HEAD or
> > copying files to my working tree?)
> >
> > > nobody will become "sick of" the single "checkout" command that can
> >
> > I have to admit I'm already sick of the checkout command. :-p I can
> > see myself using these two new commands 100% of the time and never
> > missing the old one.
> >
> > Some behaviors I'd expect to see from these commands (I haven't yet
> > checked to see if you've already done this):
> >
> > git checkout-files <tree-ish>
> > should reset all the files in the repository regardless of the current
> > directory - it should produce the same effect as "git reset --hard
> > <tree-ish> && git reset HEAD@{1}". It should also delete
> > locally-created files that aren't present in <tree-ish>, such that the
> > final working tree is exactly identical to what was committed in that
> > tree-ish.
> >
> > git checkout-files foo -- myfile.txt
> > should delete myfile.txt if it is present locally but not present in foo.
> >
> > git checkout-files foo -- .
> > should recursively checkout all files in the current folder and all
> > subfolders, and delete any locally-created files if they're not
> > present in foo.
> >
> > git checkout-files should never move HEAD in any circumstance.
> >
> > Suggestion:
> > If git checkout-files overwrites or deletes any locally-modified files
> > from the workspace or index, those files could be auto-stashed. That
> > would make it easy to restore them in the event of a mistyped command.
> > Auto-stashing could be suppressed with a command-line argument (with
> > alternate behaviors being fail-if-modified or always-overwrite).
> >
> > Idea:
> > If git checkout-files modifies the submodules file, it could also
> > auto-update the submodules. (For example, with something like "git
> > submodule update --init --recursive --progress").
> >
> >   - Stefan
> > On Wed, Nov 28, 2018 at 7:31 AM Duy Nguyen <pclouds@gmail.com> wrote:
> > >
> > > On Wed, Nov 28, 2018 at 7:03 AM Junio C Hamano <gitster@pobox.com> wrote:
> > > >
> > > > Nguyễn Thái Ngọc Duy  <pclouds@gmail.com> writes:
> > > >
> > > > > The good old "git checkout" command is still here and will be until
> > > > > all (or most of users) are sick of it.
> > > >
> > > > Two comments on the goal (the implementation looked reasonable
> > > > assuming the reader agrees with the gaol).
> > > >
> > > > At least to me, the verb "switch" needs two things to switch
> > > > between, i.e. "switch A and B", unless it is "switch to X".
> > > > Either "switch-to-branch" or simply "switch-to", perhaps?
> > > >
> > > > As I already hinted in my response to Stefan (?) about
> > > > checkout-from-tree vs checkout-from-index, a command with multiple
> > > > modes of operation is not confusing to people with the right mental
> > > > model, and I suspect that having two separate commands for "checking
> > > > out a branch" and "checking out paths" that is done by this step
> > > > would help users to form the right mental model.
> > >
> > > Since the other one is already "checkout-files", maybe this one could
> > > just be "checkout-branch".
> > >
> > > > So I tend to think
> > > > these two are "training wheels", and suspect that once they got it,
> > > > nobody will become "sick of" the single "checkout" command that can
> > > > be used to do either.  It's just the matter of being aware what can
> > > > be done (which requires the right mental model) and how to tell Git
> > > > what the user wants it do (two separate commands, operating mode
> > > > option, or just the implied command line syntax---once the user
> > > > knows what s/he is doing, these do not make that much a difference).
> > >
> > > I would hope this becomes better defaults and being used 90% of time.
> > > Even though I know "git checkout" quite well, it still bites me from
> > > time to time. Having the right mental model is one thing. Having to
> > > think a bit every time to write "git checkout" with the right syntax,
> > > and whether you need "--" (that ambiguation problem can still bite you
> > > from time to time), is frankly something I'd rather avoid.
> > > --
> > > Duy

  reply index

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-10 13:35 [PATCH/RFC] checkout: print something when checking out paths Nguyễn Thái Ngọc Duy
2018-11-12  6:21 ` Junio C Hamano
2018-11-12 16:27   ` Duy Nguyen
2018-11-12 20:15     ` Junio C Hamano
2018-11-19 13:08     ` Ævar Arnfjörð Bjarmason
2018-11-19 15:19       ` Duy Nguyen
2018-11-20  2:53         ` Junio C Hamano
2018-11-20 17:45         ` [RFC] Introduce two new commands, switch-branch and restore-paths Duy Nguyen
2018-11-25 22:20           ` Thomas Gummerer
2018-11-26  3:03             ` Junio C Hamano
2018-11-26 15:37               ` Duy Nguyen
2018-11-26 16:00           ` Ævar Arnfjörð Bjarmason
2018-11-26 16:08             ` Duy Nguyen
2018-11-26 23:10             ` Stefan Beller
2018-11-27  0:34               ` Junio C Hamano
2018-11-27 16:52           ` [PATCH/RFC v2 0/7] Introduce new commands switch-branch and checkout-files Nguyễn Thái Ngọc Duy
2018-11-27 16:52             ` [PATCH v2 1/7] parse-options: allow parse_options_concat(NULL, options) Nguyễn Thái Ngọc Duy
2018-11-27 19:43               ` Stefan Beller
2018-11-28 15:22                 ` Duy Nguyen
2018-11-28  4:47               ` Junio C Hamano
2018-11-27 16:52             ` [PATCH v2 2/7] checkout: make "opts" in cmd_checkout() a pointer Nguyễn Thái Ngọc Duy
2018-11-27 16:52             ` [PATCH v2 3/7] checkout: move 'confict_style' to checkout_opts Nguyễn Thái Ngọc Duy
2018-11-27 19:50               ` Stefan Beller
2018-11-27 16:52             ` [PATCH v2 4/7] checkout: move dwim_new_local_branch " Nguyễn Thái Ngọc Duy
2018-11-27 19:52               ` Stefan Beller
2018-11-27 16:52             ` [PATCH v2 5/7] checkout: split options[] array in three pieces Nguyễn Thái Ngọc Duy
2018-11-29  6:29               ` Junio C Hamano
2018-11-27 16:52             ` [PATCH v2 6/7] checkout: split into switch-branch and checkout-files Nguyễn Thái Ngọc Duy
2018-11-28  6:03               ` Junio C Hamano
2018-11-28 15:30                 ` Duy Nguyen
2018-11-28 19:08                   ` Stefan Beller
2018-11-28 19:18                     ` Duy Nguyen
2018-11-29  5:55                     ` Junio C Hamano
2018-11-28 23:22                   ` Stefan Xenos
2018-11-28 23:26                     ` Stefan Xenos
2018-11-28 23:37                       ` Stefan Xenos [this message]
2018-11-29  5:59                       ` Junio C Hamano
2018-11-29 15:36                         ` Duy Nguyen
2018-11-29 15:46                     ` Duy Nguyen
2018-11-29 18:14                       ` Stefan Beller
2018-11-29 18:30                         ` Duy Nguyen
2018-11-29 19:29                       ` Stefan Xenos
2018-11-27 16:52             ` [PATCH v2 7/7] Suggest other commands instead of "git checkout" Nguyễn Thái Ngọc Duy
2018-11-28  6:04               ` Junio C Hamano
2018-11-28 15:33                 ` Duy Nguyen
2018-11-29  6:05                   ` Junio C Hamano
2018-11-28 20:01             ` [PATCH/RFC v2 0/7] Introduce new commands switch-branch and checkout-files Duy Nguyen
2018-11-28 20:09               ` Duy Nguyen
2018-11-28 20:30                 ` Stefan Beller
2018-11-29 15:33                   ` Duy Nguyen
2018-12-03 21:42                     ` Stefan Beller
2018-11-30  1:47                 ` Junio C Hamano
     [not found]               ` <CAPL8Ziuj7Ffmdvz6NZWSJ+vzAtxFQhO1cfY2wmXm16J_8sY5fw@mail.gmail.com>
2018-11-28 22:53                 ` Stefan Xenos
2018-11-29  6:14                   ` Junio C Hamano
2018-11-29 21:58             ` [PATCH/RFC v3 00/14] Introduce new commands switch-branch and restore-files Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 01/14] git-checkout.txt: fix one syntax line Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 02/14] git-checkout.txt: split detached head section out Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 03/14] checkout: factor out some code in parse_branchname_arg() Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 04/14] checkout: make "opts" in cmd_checkout() a pointer Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 05/14] checkout: move 'confict_style' and 'dwim_..' to checkout_opts Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 06/14] checkout: split options[] array in three pieces Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 07/14] checkout: split into switch-branch and restore-files Nguyễn Thái Ngọc Duy
2018-12-04  0:45                 ` Elijah Newren
2018-12-04  3:33                   ` Junio C Hamano
2018-12-04 16:21                   ` Duy Nguyen
2018-12-04 17:43                     ` Elijah Newren
2018-12-04 18:17                       ` Duy Nguyen
2018-12-05  2:25                         ` Junio C Hamano
2018-12-05  4:45                           ` Elijah Newren
2018-12-05  6:56                             ` Junio C Hamano
2018-12-05  2:14                     ` Junio C Hamano
2018-12-05  4:22                       ` Elijah Newren
2018-11-29 21:58               ` [PATCH v3 08/14] switch-branch: better names for -b and -B Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 09/14] switch-branch: stop accepting pathspec Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 10/14] switch-branch: reject "do nothing" case Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 11/14] switch-branch: only allow explicit detached HEAD Nguyễn Thái Ngọc Duy
2019-03-10 19:32                 ` Eckhard Maaß
2019-03-11 14:27                   ` Duy Nguyen
2018-11-29 21:58               ` [PATCH v3 12/14] restore-files: take tree-ish from --from option instead Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 13/14] restore-files: make pathspec mandatory Nguyễn Thái Ngọc Duy
2018-11-29 21:58               ` [PATCH v3 14/14] doc: promote "git switch-branch" and "git restore-files" Nguyễn Thái Ngọc Duy
2018-11-29 23:05               ` [PATCH/RFC v3 00/14] Introduce new commands switch-branch and restore-files Ævar Arnfjörð Bjarmason
2018-11-29 23:18                 ` Ævar Arnfjörð Bjarmason
2018-11-29 23:37                 ` Dan Fabulich
2018-11-30  0:16                 ` Dan Fabulich
2018-11-30  6:49                   ` Duy Nguyen
2018-11-30  5:37                 ` Duy Nguyen
2018-11-30  6:47                   ` Junio C Hamano
2018-11-30 11:29                   ` Ævar Arnfjörð Bjarmason
2018-11-30 12:10                     ` Duy Nguyen
2018-11-30  2:16               ` Junio C Hamano
2018-11-30  5:41                 ` Duy Nguyen
2018-11-30  6:46                   ` Junio C Hamano
2018-12-02 18:58                 ` Thomas Gummerer
2018-12-02 19:46                   ` Junio C Hamano
2018-12-04  1:28               ` Elijah Newren
2018-12-04 16:27                 ` Duy Nguyen
2018-12-04 17:45                   ` Elijah Newren
2018-12-04 18:22                     ` Duy Nguyen
2018-12-04 18:31                       ` Elijah Newren
2018-12-04 18:39                         ` Duy Nguyen
2018-12-04 21:18                   ` Eric Sunshine
2018-11-13 18:28 ` [PATCH v2] checkout: print something when checking out paths Nguyễn Thái Ngọc Duy
2018-11-14 10:12   ` Junio C Hamano
2018-11-14 15:31     ` Duy Nguyen
2019-01-28 21:58   ` Junio C Hamano
2019-01-29  1:26     ` Duy Nguyen
2019-02-06  2:51     ` [PATCH 0/2] nd/checkout-noisy updates Nguyễn Thái Ngọc Duy
2019-02-06  2:51       ` [PATCH 1/2] checkout: update count-checkouts messages Nguyễn Thái Ngọc Duy
2019-02-06  2:51       ` [PATCH 2/2] checkout: count and print -m paths separately Nguyễn Thái Ngọc Duy

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