From 167dc90a65047c7f97cb42b2f3e0d2afef80131a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20Pant=C5=AF=C4=8Dek?=
 <dominik.pantucek@trustica.cz>
Date: Mon, 10 Apr 2023 21:00:33 +0200
Subject: [PATCH] Link new mail utility.

---
 src/Makefile      | 22 ++++++++++++++--------
 src/util-mail.scm | 22 +++++++++++++++++-----
 2 files changed, 31 insertions(+), 13 deletions(-)

diff --git a/src/Makefile b/src/Makefile
index 4ef8cb9..c14dd6d 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -39,14 +39,15 @@ HACKERBASE-DEPS=hackerbase.scm month.import.scm				\
 	environment.import.scm mailman.import.scm texts.import.scm	\
 	tests.import.scm
 
-HACKERBASE-OBJS=hackerbase.o testing.o listing.o month.o period.o ansi.o	\
-	 util-dict-list.o command-line.o members-base.o primes.o		\
-	 member-record.o configuration.o progress.o table.o cards.o	\
-	 members-print.o member-fees.o members-dir.o util-csv.o		\
-	 bank-account.o bank-fio.o members-payments.o member-parser.o	\
-	 web-static.o environment.o mailman.o util-set-list.o		\
-	 util-time.o util-tag.o util-io.o util-string.o util-io.o	\
-	 util-list.o util-parser.o texts.o tests.o util-proc.o
+HACKERBASE-OBJS=hackerbase.o testing.o listing.o month.o period.o	\
+	 ansi.o util-dict-list.o command-line.o members-base.o		\
+	 primes.o member-record.o configuration.o progress.o table.o	\
+	 cards.o members-print.o member-fees.o members-dir.o		\
+	 util-csv.o bank-account.o bank-fio.o members-payments.o	\
+	 member-parser.o web-static.o environment.o mailman.o		\
+	 util-set-list.o util-time.o util-tag.o util-io.o		\
+	 util-string.o util-io.o util-list.o util-parser.o texts.o	\
+	 tests.o util-proc.o util-mail.o
 
 .PHONY: imports
 imports: $(HACKERBASE-DEPS)
@@ -308,3 +309,8 @@ UTIL-PROC-SOURCES=util-proc.scm
 
 util-proc.o: util-proc.import.scm
 util-proc.import.scm: $(UTIL-PROC-SOURCES)
+
+UTIL-MAIL-SOURCES=util-mail.scm util-io.import.scm
+
+util-mail.o: util-mail.import.scm
+util-mail.import.scm: $(UTIL-MAIL-SOURCES)
diff --git a/src/util-mail.scm b/src/util-mail.scm
index b83ff7c..b7af659 100644
--- a/src/util-mail.scm
+++ b/src/util-mail.scm
@@ -32,14 +32,26 @@
   )
 
  (import scheme
+	 (chicken base)
+	 (chicken keyword)
 	 util-io)
 
  ;; Sends an email using the UNIX mail(1) utility.
  (define (send-mail body-lines . args)
-   ;; from - single string
-   ;; to - single string or list of strings
-   ;; subject - single string
-   #f)
+   (let ((from (get-keyword #:from args))
+	 (to (get-keyword #:to args))
+	 (subject (get-keyword #:subject args)))
+     (when (not to)
+       (error 'send-mail "requires #:to argument"))
+     (when (not subject)
+       (error 'send-mail "requires #:subject argument"))
+     (let ((tos (if (list? to)
+		    to
+		    (list to))))
+       (apply process-send/recv
+	      "mail"
+	      "-r" from
+	      "-s" subject
+	      tos))))
 
  )
-