From: "SZEDER Gábor" <szeder.dev@gmail.com>
To: Jonathan Nieder <jrnieder@gmail.com>
Cc: "Junio C Hamano" <gitster@pobox.com>,
"Matthew Coleman" <matt@1eanda.com>,
"Stephon Harris" <theonestep4@gmail.com>,
"Duy Nguyen" <pclouds@gmail.com>,
"Jakub Narębski" <jnareb@gmail.com>,
"Git mailing list" <git@vger.kernel.org>,
"Rick van Hattem" <wolph@wol.ph>,
"Dave Borowitz" <dborowitz@google.com>
Subject: Re: [PATCH] completion: correct zsh detection when run from git-completion.zsh (Re: [PATCH v2] completion: reduce overhead of clearing cached --options)
Date: Tue, 12 Jun 2018 10:46:16 +0200 [thread overview]
Message-ID: <CAM0VKj==u0DgnHF0j+OOtyWMCsuGApHW65CN9S4d5iUxb2bRUg@mail.gmail.com> (raw)
In-Reply-To: <20180611182053.GA20665@aiede.svl.corp.google.com>
On Mon, Jun 11, 2018 at 8:20 PM, Jonathan Nieder <jrnieder@gmail.com> wrote:
> From: SZEDER Gábor <szeder.dev@gmail.com>
> Subject: completion: correct zsh detection when run from git-completion.zsh
>
> v2.18.0-rc0~90^2 (completion: reduce overhead of clearing cached
> --options, 2018-04-18) worked around a bug in bash's "set" builtin on
> MacOS by using compgen instead. It was careful to avoid breaking zsh
> by guarding this workaround with
>
> if [[ -n ${ZSH_VERSION-}} ]]
>
> Alas, this interacts poorly with git-completion.zsh's bash emulation:
>
> ZSH_VERSION='' . "$script"
>
> Correct it by instead using a new GIT_SOURCING_ZSH_COMPLETION shell
> variable to detect whether git-completion.bash is being sourced from
> git-completion.zsh. This way, the zsh variant is used both when run
> from zsh directly and when run via git-completion.zsh.
>
> Reproduction recipe:
>
> 1. cd git/contrib/completion && cp git-completion.zsh _git
> 2. Put the following in a new ~/.zshrc file:
>
> autoload -U compinit; compinit
> autoload -U bashcompinit; bashcompinit
> fpath=(~/src/git/contrib/completion $fpath)
>
> 3. Open zsh and "git <TAB>".
>
> With this patch:
> Triggers nice git-completion.bash based tab completion
>
> Without:
> contrib/completion/git-completion.bash:354: read-only variable: QISUFFIX
> zsh:12: command not found: ___main
> zsh:15: _default: function definition file not found
> _dispatch:70: bad math expression: operand expected at `/usr/bin/g...'
> Segmentation fault
>
> Reported-by: Rick van Hattem <wolph@wol.ph>
> Reported-by: Dave Borowitz <dborowitz@google.com>
> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
> ---
> SZEDER Gábor wrote:
>
>> Being in RC phase, I'm all for aiming for a minimal solution.
>> However, I don't think that the better fix would be erm.. any "less
>> minimal":
>
> Thanks again. May we have your sign-off?
Sure:
Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Thank you for the commit message; had a family visit the last couple
of days and could not get around to it.
> contrib/completion/git-completion.bash | 5 ++++-
> contrib/completion/git-completion.zsh | 2 +-
> 2 files changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
> index 12814e9bbf..f4a2e6774b 100644
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -3223,7 +3223,10 @@ __gitk_main ()
> __git_complete_revlist
> }
>
> -if [[ -n ${ZSH_VERSION-} ]]; then
> +if [[ -n ${ZSH_VERSION-} ]] &&
> + # Don't define these functions when sourced from 'git-completion.zsh',
> + # it has its own implementations.
> + [[ -z ${GIT_SOURCING_ZSH_COMPLETION-} ]]; then
> echo "WARNING: this script is deprecated, please see git-completion.zsh" 1>&2
>
> autoload -U +X compinit && compinit
> diff --git a/contrib/completion/git-completion.zsh b/contrib/completion/git-completion.zsh
> index 53cb0f934f..049d6b80f6 100644
> --- a/contrib/completion/git-completion.zsh
> +++ b/contrib/completion/git-completion.zsh
> @@ -39,7 +39,7 @@ if [ -z "$script" ]; then
> test -f $e && script="$e" && break
> done
> fi
> -ZSH_VERSION='' . "$script"
> +GIT_SOURCING_ZSH_COMPLETION=y . "$script"
>
> __gitcomp ()
> {
> --
> 2.18.0.rc1.242.g61856ae69a
>
next prev parent reply other threads:[~2018-06-12 8:46 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-05 3:10 [PATCH] specify encoding for sed command Stephon Harris
2018-04-05 6:53 ` Ævar Arnfjörð Bjarmason
2018-04-05 9:42 ` Eric Sunshine
2018-04-05 9:43 ` SZEDER Gábor
2018-04-10 7:18 ` Matt Coleman
2018-04-11 20:42 ` Matt Coleman
2018-04-12 22:12 ` Matthew Coleman
2018-04-13 0:01 ` SZEDER Gábor
2018-04-13 3:00 ` Matthew Coleman
2018-04-13 10:30 ` [PATCH] completion: reduce overhead of clearing cached --options SZEDER Gábor
2018-04-13 21:44 ` Jakub Narebski
2018-04-13 22:23 ` SZEDER Gábor
2018-04-14 13:27 ` Jakub Narebski
2018-04-16 18:23 ` Jacob Keller
2018-04-16 20:35 ` Matthew Coleman
2018-04-16 5:10 ` Junio C Hamano
2018-04-16 13:15 ` SZEDER Gábor
2018-04-16 13:29 ` Jakub Narębski
2018-04-16 22:43 ` Junio C Hamano
2018-04-17 22:02 ` [PATCH v2] " SZEDER Gábor
2018-04-17 23:45 ` Junio C Hamano
2018-05-07 15:05 ` Matthew Coleman
2018-05-08 2:28 ` Todd Zullinger
2018-05-08 3:28 ` Junio C Hamano
2018-06-07 5:48 ` Jonathan Nieder
2018-06-07 12:07 ` Dave Borowitz
2018-06-07 12:41 ` Rick van Hattem
2018-06-08 21:16 ` SZEDER Gábor
2018-06-08 21:23 ` Jonathan Nieder
2018-06-08 21:41 ` SZEDER Gábor
2018-06-08 21:52 ` Jonathan Nieder
2018-06-08 21:58 ` SZEDER Gábor
2018-06-11 17:53 ` Junio C Hamano
2018-06-11 18:20 ` [PATCH] completion: correct zsh detection when run from git-completion.zsh (Re: [PATCH v2] completion: reduce overhead of clearing cached --options) Jonathan Nieder
2018-06-12 8:46 ` SZEDER Gábor [this message]
2018-06-12 9:48 ` SZEDER Gábor
2018-06-12 9:51 ` Rick van Hattem
2018-04-08 23:17 ` [PATCH] specify encoding for sed command Junio C Hamano
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