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Re: emacs-repository-version not defined when cloned with mercurial
From: |
Uwe Brauer |
Subject: |
Re: emacs-repository-version not defined when cloned with mercurial |
Date: |
Sat, 10 Aug 2019 15:12:18 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) |
> The prop[osal is to have
Sorry I am still confused. Do I understand that correctly
> a script called 'git' which would call hg to
> return the Git hash of a repository cloned with hg.
1. You want a (shell) script called git, although there is an
executable called git?
> Then Emacs will
> get what it wants what it calls "git rev-parse".
2. I don't see how, as I said
git rev-parse HEAD == hg parent --template '{node}\n'
so even with the «definition»
alias git "hg parent --template '{node}\n'"
would not work.
I am sure I misunderstood you, but I would appreciate any clarification
> AFAIR, the hash is computed when Emacs is built, and is recorded in
> the built Emacs. It cannot be calculated after the build.
That makes a lot of sense.
It think I know where is my mistake, however I am not sure how to solve
it.
The git command to obtain the hash is as I said
git rev-parse HEAD
And it is implemented as
(call-process "git" nil '(t nil) nil "rev-parse" "HEAD")
and when I execute the call in the git repository it gives me the
correct hash.
The mercurial command is a bit more complicated
hg parents --template '{node}\n'
(And maybe the ' cause some problem.
I used
(call-process "hg" nil '(t nil) nil "parent" "--template '{node}\n'")
but when I execute (via M-:) then it does not give the correct answer.
It gives
hg parents [-r REV] [FILE]
show the parents of the working directory or revision (DEPRECATED)
options:
-r --rev REV show parents of the specified revision
-T --template TEMPLATE display with template
--mq operate on patch repository
(use 'hg parents -h' to show more help)
Which is clear sign that not all the parameters were passed correctly.
Could somebody please tell me how the
call
hg parents --template '{node}\n'
Is correctly translated to the
call-process
Thanks
Uwe Brauer
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- emacs-repository-version not defined when cloned with mercurial, Uwe Brauer, 2019/08/09
- Re: emacs-repository-version not defined when cloned with mercurial, Paul Eggert, 2019/08/09
- Re: emacs-repository-version not defined when cloned with mercurial, Sven Joachim, 2019/08/10
- Re: emacs-repository-version not defined when cloned with mercurial, Uwe Brauer, 2019/08/10
- Re: emacs-repository-version not defined when cloned with mercurial, Stefan Monnier, 2019/08/10
- Re: emacs-repository-version not defined when cloned with mercurial, Eli Zaretskii, 2019/08/10
- Re: emacs-repository-version not defined when cloned with mercurial, Uwe Brauer, 2019/08/10
- Re: emacs-repository-version not defined when cloned with mercurial, Eli Zaretskii, 2019/08/10
- Re: emacs-repository-version not defined when cloned with mercurial,
Uwe Brauer <=
- Re: emacs-repository-version not defined when cloned with mercurial, Eli Zaretskii, 2019/08/10
- Re: emacs-repository-version not defined when cloned with mercurial, Uwe Brauer, 2019/08/10