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Re: [O] Using babel to generate a commit log
From: |
Nick Dokos |
Subject: |
Re: [O] Using babel to generate a commit log |
Date: |
Wed, 30 Mar 2011 02:29:24 -0400 |
Luke Crook <address@hidden> wrote:
>
> I have written the following code that uses the Emacs vc-* commands to
> generate
> a commit log. I would like the output of this code to be included when my
> file
> is exported.
>
>
> ;; Most of this code is copied from vc.el vc-print-log
> (when (vc-find-backend-function (vc-backend (buffer-file-name
> (current-buffer)))
> 'print-log)
> (let* ((limit (if (numberp limit) limit vc-log-show-limit))
> (vc-fileset (vc-deduce-fileset t)) ;FIXME: Why t? --Stef
> (backend (car vc-fileset))
> (files (cadr vc-fileset)))
> (with-temp-buffer
> (vc-call-backend backend
> 'print-log
> files
> (current-buffer))
> (sit-for 5 t)
> (buffer-string))))
> #+end_src
>
> What is happening is;
>
> 1) The code between #+begin_src and #+end_src is exported and not the
> result
> of evaluating the code (the commit log).
Try using
--8<---------------cut here---------------start------------->8---
#+begin_src emacs-lisp :var limit="" :exports results
--8<---------------cut here---------------end--------------->8---
> 2) I have to add at delay of at least 5 seconds (set-for 5 t) as vc-git
> calls
> "git log" as an asynchronous process. If not for the delay then babel
> immediately returns an empty buffer and the "vc-call-backend" process never
> completes.
>
A quick look didn't produce much enlightenment: the standard way is to set
a process sentinel, but this is commented out in vc-do-command. There is also
a hook that is run at the end of the function:
,----
| (vc-exec-after
| `(run-hook-with-args 'vc-post-command-functions
| ',command ',file-or-list ',flags))
`----
but I think you need the process in order to set a sentinel (see sec. 37.10 of
the Elisp manual for info on sentinels).
Nick
- Re: [O] Re: Using babel to generate a commit log, (continued)
- Re: [O] Re: Using babel to generate a commit log, Nick Dokos, 2011/03/30
- [O] Re: Using babel to generate a commit log, Luke Crook, 2011/03/30
- [O] Re: Using babel to generate a commit log, Luke Crook, 2011/03/30
- Re: [O] Re: Using babel to generate a commit log, Eric Schulte, 2011/03/30
- Re: [O] Re: Using babel to generate a commit log, Nick Dokos, 2011/03/30
- [O] Re: Using babel to generate a commit log, Luke Crook, 2011/03/30
- [O] Re: Using babel to generate a commit log, Luke Crook, 2011/03/30
- Re: [O] Re: Using babel to generate a commit log, Eric Schulte, 2011/03/30
- [O] Re: Using babel to generate a commit log, Luke Crook, 2011/03/31
- Re: [O] Re: Using babel to generate a commit log, Eric Schulte, 2011/03/31
Re: [O] Using babel to generate a commit log,
Nick Dokos <=
Re: [O] Using babel to generate a commit log, Eric Schulte, 2011/03/30