Re: git-send-email: Send with mutt(1)

[Alejandro Colomar <alx@kernel.org>]

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Hi Jeff,

On Wed, Nov 08, 2023 at 04:27:02PM -0500, Jeff King wrote:
> > > # spool the message to a fake mbox; we need to add
> > > # a "From" line to make it look legit
> > > trap 'rm -f to-send' 0 &&
> > > {
> > >   echo "From whatever Mon Sep 17 00:00:00 2001" &&
> > >   cat
> > > } >to-send &&
> > 
> > Would a named pipe work?  Or maybe we could use $(mktemp)?
> 
> I suspect mutt wants it to be a real file. But yeah, mktemp would
> definitely work. I actually started to write it that way but switched to
> a static name for simplicity in demonstrating the idea. :)
> 
> One note, though. Later we need to pass this filename to mutt config:
> 
> > > mutt -p \
> > >   -e 'set postponed=to-send' \
> 
> so it's a potential worry if "mktemp" might use a path with spaces or
> funny characters (e.g., from $TMPDIR). Probably not much of a problem in
> practice, though.
> 
> > Huh, this is magic sauce!  Works perfect for what I need.  This would
> > need to be packaged to the masses.  :-)
> > 
> > I found a minor problem: If I ctrl+C within mutt(1), I expect it to
> > cancel the last action, but this script intercepts the signal and exits.
> > We would probably need to ignore SIGINT from mutt-as-mta.
> 
> Yeah, that might make sense, and can be done with trap.

I've tried something even simpler:

---8<---
#!/bin/sh

mutt -H -;
--->8---

I used it for sending a couple of patches to linux-man@, and it seems to
work.  I don't have much experience with mutt, so maybe I'm missing some
corner cases.  Do you expect it to not work for some case?  Otherwise,
we might have a winner.  :)

> 
> > Would you mind adding this as part of git?  Or should we suggest the
> > mutt project adding this script?
> 
> IMHO it is a little too weird and user-specific to really make sense in
> either project. It's really glue-ing together two systems. And as it's
> not something I use myself, I don't plan it moving it further along. But
> you are welcome to take what I wrote and do what you will with it,
> including submitting it to mutt.

I'll start by creating a git repository in my own server, and will write
something about it to let the public know about it.  I'll also start
requiring contributors to linux-man@ to sign their patches, and
recommend them using this if they use mutt(1).

Cheers,
Alex

-- 
<https://www.alejandro-colomar.es/>

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