[bug#49969] [PATCH v2 4/7] gnu: admin: Add greetd-pam-mount

[Xinglu Chen]

On Tue, Aug 10 2021, muradm wrote:

> This package inherits pam-mount in the way that it is compiled
> specifically for use with greetd daemon. It uses different
> configuration location and name space for storing data in PAM.
>
> greetd-pam-mount is used in configuration of greetd to provide
> auto-(mounting/unmounting) of XDG_RUNTIME_DIR in the way that
> it will not interfere with default pam-mount configuration.

It might be a good idea to put this in a comment in the code too.  :-)

> * gnu/packages/admin.scm (greetd-pam-mount): Add greetd-pam-mount
> ---
>  gnu/packages/admin.scm | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/gnu/packages/admin.scm b/gnu/packages/admin.scm
> index eda269f148..e805b219c5 100644
> --- a/gnu/packages/admin.scm
> +++ b/gnu/packages/admin.scm
> @@ -42,6 +42,7 @@
>  ;;; Copyright © 2021 David Larsson <david.larsson@selfhosted.xyz>
>  ;;; Copyright © 2021 WinterHound <winterhound@yandex.com>
>  ;;; Copyright © 2021 Brice Waegeneire <brice@waegenei.re>
> +;;; Copyright © 2021 muradm <mail@muradm.net>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -4247,6 +4248,25 @@ supports.  It can also mount encrypted LUKS volumes 
> using the password
>  supplied by the user when logging in.")
>      (license (list license:gpl2+ license:lgpl2.1+))))
>  
> +(define-public greetd-pam-mount
> +  (package
> +    (inherit pam-mount)
> +    (name "greetd-pam-mount")
> +    (arguments
> +     (substitute-keyword-arguments (package-arguments pam-mount)
> +       ((#:configure-flags flags ''())
> +        `(cons* "--with-rundir=/run/greetd" ,flags))
> +       ((#:phases phases)
> +        `(modify-phases ,phases
> +           (add-after 'unpack 'patch-config-file-name
> +             (lambda* (#:key inputs #:allow-other-keys)
> +               (substitute* "src/pam_mount.c"
> +                 ((".*define CONFIGFILE .*$")
> +                  "#define CONFIGFILE 
> \"/etc/security/greetd_pam_mount.conf.xml\"\n")
> +                 (("pam_mount_config") "greetd_pam_mount_config")
> +                 (("pam_mount_system_authtok") 
> "greetd_pam_mount_system_authtok"))))))))
> +    (synopsis "pam-mount specifically compiled for use with greetd")))

The description should also be updated.

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