From f77424d5f4c4a384d6422d49bd78144e6775fd06 Mon Sep 17 00:00:00 2001
From: Chloe Brown <chloe.brown.00@outlook.com>
Date: Mon, 1 Aug 2022 13:56:34 +0100
Subject: exim: new package.

Repackage exim, with the following changes:
- add /etc/exim.conf as a trusted configuration location.
- enable LMTP transport.
---
 yellowsquid/packages/mail.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 yellowsquid/packages/mail.scm

diff --git a/yellowsquid/packages/mail.scm b/yellowsquid/packages/mail.scm
new file mode 100644
index 0000000..cd980ce
--- /dev/null
+++ b/yellowsquid/packages/mail.scm
@@ -0,0 +1,19 @@
+(define-module (yellowsquid packages mail)
+  #:use-module ((gnu packages mail) #:prefix gnu:)
+  #:use-module (guix gexp)
+  #:use-module (guix packages)
+  #:use-module (guix utils))
+
+(define-public exim
+  (package
+    (inherit gnu:exim)
+    (arguments
+     (substitute-keyword-arguments (package-arguments gnu:exim)
+       ((#:phases phases)
+        #~(modify-phases #$phases
+            (add-after 'configure 'configure-more
+              (lambda* (#:key outputs #:allow-other-keys)
+                (substitute* "Local/Makefile"
+                  (("# (TRUSTED_CONFIG_LIST=).*" all var)
+                   (string-append var "/etc/exim.conf\n"))
+                  (("# (TRANSPORT_LMTP=yes)" all line) line))))))))))
-- 
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