GNU bug report logs - #58813
can't substitute etc/teams.scm command as doc suggests

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From: Liliana Marie Prikler <liliana.prikler <at> gmail.com>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>, 58813 <at> debbugs.gnu.org
Subject: bug#58813: can't substitute etc/teams.scm command as doc suggests
Date: Thu, 27 Oct 2022 08:08:35 +0200

Am Mittwoch, dem 26.10.2022 um 23:50 -0400 schrieb Maxim Cournoyer:
> Hi,
> 
> Today, I tried;
> 
> --8<---------------cut here---------------start------------->8---
> $ git send-email --to=guix-patches <at> gnu.org \
>   $(./etc/teams.scm cc-members origin/master HEAD) 0000-cover-
> letter.patch
> fatal: ambiguous argument 'some.email <at> redacted.com"': unknown
> revision or path not in the working tree.
> Use '--' to separate paths from revisions, like this:
> 'git <command> [<revision>...] -- [<file>...]'
> format-patch -o /tmp/pFSRbRNNoU --add-header="X-Debbugs-Cc:
> redacted <at> gmail.com" --add-header="X-Debbugs-Cc: redacted <at> email"
> [...]: command returned error: 128
> 
> $ ./etc/teams.scm cc-members origin/master HEAD
> --add-header="X-Debbugs-Cc: redacted <at> email" --add-header="X-Debbugs-
> Cc: redacted <at> email" ...
> --8<---------------cut here---------------end--------------->8---
> 
> You can see the command fails; this is because when using Bash
> command substitution $(), the quotes in the result are not
> interpreted and are thus part of the value (literals), which then
> gets split on white space.
> 
> As a quick hacky fix,  I tried removing the space and double quotes
> like:
> 
> modified   etc/teams.scm.in
> @@ -514,7 +514,7 @@ (define (cc . teams)
>    "Return arguments for `git send-email' to notify the members of
> the given
>  TEAMS when a patch is received by Debbugs."
>    (format #true
> -          "~{--add-header=\"X-Debbugs-Cc: ~a\"~^ ~}"
> +          "~{--add-header=X-Debbugs-Cc:~a~^ ~}"
>            (map person-email
>                 (delete-duplicates (append-map team-members teams)
> equal?))))
> 
> and sent a patch with that command:
> 
> git send-email --to=guix-patches <at> gnu.org \
>   $(./etc/teams.scm cc-members origin/master HEAD 0000-cover-
> letter.patch
> 
> It created https://issues.guix.gnu.org/58812 with it, but I don't see
> any of the X-Debbugs-Cc headers.  Mmmh.
Note that the existing etc/teams also assumes there are no funny
characters in the quote.  So it's susceptible to good ol' bobby tables.

Could we, instead of outputting a command, make it so that we can pass
an already formatted patch and etc/teams rewrites it?

Cheers

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