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From: John Kitchin <jkitchin@andrew.cmu.edu>
To: HJ <hj-orgmode-1@hj.proberto.com>
Cc: org-mode-email <emacs-orgmode@gnu.org>
Subject: Re: self-referencing babel shell code blocks
Date: Sun, 17 Jan 2021 19:12:21 -0500	[thread overview]
Message-ID: <CAJ51ETogZXiRfZ+ZRUvMbScQ2LjHPWyGBM95ztFSQ-TOj4Bz-w@mail.gmail.com> (raw)
In-Reply-To: <a140aec2-a5a2-d137-ef0c-5d3eabcb0081@XXXXXXXXX.XXX>

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I guess this is what you mean:


* heading L1_12
** heading L2_37

#+name: this-block
#+header: :var VAR1=(getenv "HOSTNAME")
#+header: :var VAR2=(message user-login-name)
#+header: :var VAR3=(buffer-file-name)
#+header: :var VAR4=(org-element-property :name (org-element-context))
#+header: :var VAR5=(org-no-properties (org-display-outline-path nil t))
#+header: :var VAR5a=(line-number-at-pos (org-element-property :begin
(org-element-context)))
#+header: :var VAR6=(s-trim (shell-command-to-string "git rev-parse HEAD"))
#+header: :var VAR7=(s-trim (shell-command-to-string "git branch
--show-current"))
#+BEGIN_SRC sh :results raw
echo Run by $VAR2 from $VAR3
echo In a src-block named $VAR4 in $VAR5 at line $VAR5a
echo on commit $VAR6 in git branch $VAR7
#+END_SRC

#+RESULTS: this-block
Run by jkitchin from /Users/jkitchin/Dropbox/emacs/journal/2021/01/17/
2021-01-17.org
In a src-block named this-block in heading L1_12/heading L2_37 at line 140
on commit a07475addc3fdf557fb46a72b1100cf1c9c0805a in git branch master



John

-----------------------------------
Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803
@johnkitchin
http://kitchingroup.cheme.cmu.edu



On Sun, Jan 17, 2021 at 4:42 PM HJ <hj-orgmode-1@hj.proberto.com> wrote:

>
>   hi,
>
>    I'm  trying to figure out how to write a block , header, PROPERTY or
> whatever is necessary so the output of a command in babel source block
> identifies it own position - the line (or block or something) in buffer
> (or at least the file) in which it is written. ( Plus the checked out
> git revision / branch. )
>
>
>   I've been experimenting with the following, so far without much luck ...
>
>   Which of these pieces of information (see the "echo" line below) is it
> possible to get? Which is easy? (variables VAR[0345] are most critical)
> How would one write a snippet which provides (some of) this information?
>
>   Is it much harder with command 1 being SSH to a remote machine? Would
> ":dir user@remotemachine:/some/dir" work better? Or at all?
>
>   Perhaps I would know how to find out VAR6 and VAR7 by running first
> some `git cmd1` and `git cmd2` locally in a " command 0 " - but is there
> a way to get that info from magit somehow?
>
>   But what I am most desperate for is how to cause orgmode block to set
> VAR0, VAR3, VAR4 and VAR5, and - also fairly important - how to use the
> combination of VAR[0345] do open / recall the file onto the screen
>
>   Thanks a million for helping me out here ...
>
>     HJ
>
>
> This is the sample file :
>
>
> * heading L1_12
>    Hello and welcome, this is a file with self-referencing shell babel
> source code blocks
>    ...
> ** heading L2_37
>    ...
> #+NAME: block220
> #+BEGIN_SRC  bash  :session sess9
>    : command 0 ;  cd _how-do-I-find-the-dir-of-currently-edited-file_ ;
> VAR6=`git cmd1` ; VAR7=`git cmd2`
>    : command 1 ;  ssh -o "SetEnv VAR1=machine VAR2=user VAR3=..."
> targetUser@targetMachine
> #+END_SRC
>
>
> ...
>
> #+NAME: block225
> #+BEGIN_SRC  bash  :session sess9
>    : command 2 ; : do some computation on targetMachine
>    : command 3 ; echo This code has been launched from emacs process
> VAR0:_EMACS_SESSION_ID_ \
>      on computer $VAR1:_SRC_HOSTNAME_ \
>      run by user $VAR2:_USER_ \
>      from file $VAR3:_FILENAME_ \
>      code block named $VAR4:block225 \
>      in this file positioned under headings: $VAR5:heading L1_12/heading
> L2_37/ \
>      which is checked out from $VAR6:_GIT_COMMIT_ID_ \
>      on branch $VAR7:_GIT_BRANCH_
>    : command 3 continues ; echo To display the buffer which launched this
> code on the screen of the running emacs session, run the following command
> :    emacs  _What_the_heck_do_I_put_here?_  '&'
> #+END_SRC
>
>
>
>
>
>
>
>

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  reply	other threads:[~2021-01-18  0:13 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-17 21:41 self-referencing babel shell code blocks HJ
2021-01-18  0:12 ` John Kitchin [this message]
2021-01-18  0:33   ` HJ
2021-01-18  1:22     ` John Kitchin
2021-01-18  9:10   ` tomas

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