Re: generating format-patch options from an e-mail

2012-12-26 Thread Jeff King
On Wed, Dec 26, 2012 at 09:31:46PM +, Pyeron, Jason J CTR (US) wrote:

> > That would work for the message-ID, but not for the various To: and Cc:
> > addresses.
> > 
> > The hacky script that I sent afterwards produces a string with the
> 
> Nit, it does not make use of the reply-to header if present.

I do something very similar to Simon, except that rather than generating
a reply with my script, I generate the cover letter in my MUA, and then
use that response as a template. So the MUA does the heavy lifting,
understanding reply-to, culling my own address from cc, etc. The
format-patch replies then have the exact same to/cc headers as the
template, and use the template's message-id as the in-reply-to (for
proper threading).

My perl looks like this (feed the template via stdin):

  perl -ne '
if (defined $opt && /^\s+(.*)/) {
  $val .= " $1";
  next;
}
if (defined $opt) {
  print "--$opt=", quotemeta($val), " ";
  $opt = $val = undef;
}
if (/^(cc|to):\s*(.*)/i) {
  $opt = lc($1);
  $val = $2;
}
elsif (/^message-id:\s*(.*)/i) {
  $opt = "in-reply-to";
  $val = $1;
}
  '

That, of course, presupposes a cover letter. If I am sending a single
patch, then I just do "format-patch --stdout" right into my MUA's
editor), and let it handle the headers.

-Peff
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RE: generating format-patch options from an e-mail

2012-12-26 Thread Pyeron, Jason J CTR (US)
> -Original Message-
> From: Simon Oosthoek
> Sent: Wednesday, December 26, 2012 4:08 PM
> 
> * Junio C Hamano  [2012-12-26 12:35:28 -0800]:
> > >
> > > Anyway, I could imagine this as optional flag of git format-patch,
> so you could say:
> > > $ git format-patch -s --in-reply-to-email  a7fe7de8

Anyway you would need a --in-reply-to-email and a --in-reply-to-all-email, both 
should support stdin. Then you can feel free to --[no-]to and --[no-]cc (where 
is the --bcc?) to your heart's content.

It would be a nice addition.

> > >
> > > But I'll save that as an exercise for the reader (or the future)
> >
> > I think a much more general approach would be to turn your script
> > into "get-msg-id" script and use it like so:
> >
> >   $ git format-patch --in-reply-to $(get-msg-id ) a7fe7de8
> >
> > Then you can reuse that script in a context outside format-patch,
> > whereever you need the message-id in a single message in the
> > mailbox.
> >
> 
> That would work for the message-ID, but not for the various To: and Cc:
> addresses.
> 
> The hacky script that I sent afterwards produces a string with the

Nit, it does not make use of the reply-to header if present.

> various options to git format-patch (--to --cc --in-reply-to) based on
> the headers To:/Cc:/From:/Message-ID:
> 
> Cheers
> 
> Simon
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Re: generating format-patch options from an e-mail

2012-12-26 Thread Simon Oosthoek
* Junio C Hamano  [2012-12-26 12:35:28 -0800]:
> >
> > Anyway, I could imagine this as optional flag of git format-patch, so you 
> > could say:
> > $ git format-patch -s --in-reply-to-email  a7fe7de8
> >
> > But I'll save that as an exercise for the reader (or the future)
> 
> I think a much more general approach would be to turn your script
> into "get-msg-id" script and use it like so:
> 
>   $ git format-patch --in-reply-to $(get-msg-id ) a7fe7de8
> 
> Then you can reuse that script in a context outside format-patch,
> whereever you need the message-id in a single message in the
> mailbox.
> 

That would work for the message-ID, but not for the various To: and Cc: 
addresses.

The hacky script that I sent afterwards produces a string with the various 
options to git format-patch (--to --cc --in-reply-to) based on the headers 
To:/Cc:/From:/Message-ID:

Cheers

Simon
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Re: generating format-patch options from an e-mail

2012-12-26 Thread Junio C Hamano
Simon Oosthoek  writes:

> Hi all
>
> I've been very frustrated by the process to setup a commandline for git 
> format-patch, to include everyone in the cc list and reply to the right 
> message-id.
>
> In my frustration I created a perl script to generate the options from a 
> saved e-mail, I realise that it may be non-general and perhaps it could be 
> written better using a module which understands e-mails, but well, it worked 
> for me ;-)
>
> Anyway, I could imagine this as optional flag of git format-patch, so you 
> could say:
> $ git format-patch -s --in-reply-to-email  a7fe7de8
>
> But I'll save that as an exercise for the reader (or the future)

I think a much more general approach would be to turn your script
into "get-msg-id" script and use it like so:

  $ git format-patch --in-reply-to $(get-msg-id ) a7fe7de8

Then you can reuse that script in a context outside format-patch,
whereever you need the message-id in a single message in the
mailbox.



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generating format-patch options from an e-mail

2012-12-26 Thread Simon Oosthoek
Hi all

I've been very frustrated by the process to setup a commandline for git 
format-patch, to include everyone in the cc list and reply to the right 
message-id.

In my frustration I created a perl script to generate the options from a saved 
e-mail, I realise that it may be non-general and perhaps it could be written 
better using a module which understands e-mails, but well, it worked for me ;-)

Anyway, I could imagine this as optional flag of git format-patch, so you could 
say:
$ git format-patch -s --in-reply-to-email  a7fe7de8

But I'll save that as an exercise for the reader (or the future)

Cheers

Simon

PS, now with the script
#!/usr/bin/perl

use warnings;
use strict;

our @to;
our @cc;
our @id;
our $emptyline=0;

if (defined $ARGV[0] and -f $ARGV[0]) {
	open (MAIL, "<$ARGV[0]") or die "cannot open $ARGV[0]\n";
	#while (my $line= && ($emptyline == 0) ) {
	while (my $line= ) {
			chomp $line;
			my $header="";
			my $content="";
		
			if ($line =~ /^(.*?):.*[ ,<](.*?@.*?)[>, ]/ ||
	$line =~ /^(.*ID?):.*[ ,<](.*?)[>, ]/) {
	$header=$1;
	$content=$2;
	if ($header eq "From") {
			push(@to, $content);
	} if ($header eq "To") {
			push(@cc, $content);
	} elsif ($header eq "Cc") {
			$line =~ /:(.*)$/;
			my @ccs=split(/,/, $1);
			foreach my $addr (@ccs) {
	if ($addr =~ /<(.*)>/) {
			push(@cc, $1);
	} else {
			push(@cc, $addr);
	}
			}
	} elsif ($header eq "Message-ID") {
			push(@id, $content);
	}
			}
			$emptyline++ if (length($line) == 0);

	}
	close (MAIL);
}


foreach my $item (@to) {
		print " --to \"$item\"";
}
foreach my $item (@cc) {
		print " --cc \"$item\"";
}
foreach my $item (@id) {
		print " --in-reply-to \"$item\"";
}


generating format-patch options from an e-mail

2012-12-26 Thread Simon Oosthoek
Hi all

I've been very frustrated by the process to setup a commandline for git 
format-patch, to include everyone in the cc list and reply to the right 
message-id.

In my frustration I created a perl script to generate the options from a saved 
e-mail, I realise that it may be non-general and perhaps it could be written 
better using a module which understands e-mails, but well, it worked for me ;-)

Anyway, I could imagine this as optional flag of git format-patch, so you could 
say:
$ git format-patch -s --in-reply-to-email  a7fe7de8

But I'll save that as an exercise for the reader (or the future)

Cheers

Simon

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