Added mailcheck, simple utility to check for mail.

pkgs/applications/networking/mailreaders/mailcheck/default.nix

···
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "mailcheck-${version}";
+  version = "1.91.2";
+
+  patches = [ ./mailcheck-Makefile.patch ];
+
+  src = fetchurl {
+    url = "mirror://sourceforge/mailcheck/mailcheck_${version}.tar.gz";
+    sha256 = "0p0azaxsnjvjbg41ycicc1i0kzw6jiynq8k49cfkdhlckxfdm9kc";
+  };
+
+  meta = {
+    description = "Simple command line tool to check for new messages";
+    homepage    = http://mailcheck.sourceforge.net/;
+    license     = stdenv.lib.licenses.gpl2;
+    maintainers = with stdenv.lib.maintainers; [ kovirobi ];
+    platforms   = stdenv.lib.platforms.linux;
+    inherit version;
+
+    longDescription = ''
+      A simple command line tool to check for new mail in local mbox and
+      maildir and remote POP3 and IMAP mailboxes.
+    '';
+  };
+}

pkgs/applications/networking/mailreaders/mailcheck/mailcheck-Makefile.patch

···
+diff -u a/Makefile b/Makefile
+--- a/Makefile	2015-04-05 19:31:41.871227295 +0100
++++ b/Makefile	2015-04-05 19:42:49.743517508 +0100
+@@ -1,3 +1,5 @@
++prefix=$(out)
++
+ all: mailcheck
+ 
+ debug: mailcheck.c netrc.c netrc.h socket.c
+@@ -7,8 +9,10 @@
+ 	$(CC) -Wall -O2 mailcheck.c netrc.c socket.c -s -o mailcheck
+ 
+ install: mailcheck
+-	install mailcheck $(prefix)/usr/bin
+-	install -m 644 mailcheckrc $(prefix)/etc
++	[ -d $(prefix)/bin ] || mkdir $(prefix)/bin
++	[ -d $(prefix)/etc ] || mkdir $(prefix)/etc
++	install mailcheck $(prefix)/bin/
++	install -m 644 mailcheckrc $(prefix)/etc/
+ 
+ distclean: clean
+ 

pkgs/top-level/all-packages.nix

···
 
   macchanger = callPackage ../os-specific/linux/macchanger { };
 
+  mailcheck = callPackage ../applications/networking/mailreaders/mailcheck { };
+
   maildrop = callPackage ../tools/networking/maildrop { };
 
   mailsend = callPackage ../tools/networking/mailsend { };