Adding alarm/macspoof so people stop asking how to set MAC addresses.

alarm/macspoof/PKGBUILD

@@ -0,0 +1,23 @@
+# Maintainer Jason Plum <jplum@archlinuxarm.org>
+
+pkgname=macspoof
+pkgdesc="MAC Spoofing service"
+pkgver=0.1
+pkgrel=1
+arch=('any')
+
+url="https://wiki.archlinux.org/index.php/MAC_Address_Spoofing#Systemd_unit"
+license=('GPL2')
+
+source=('macspoof@.service'
+        'macspoof.conf.d')
+md5sums=('c830b7ee6425390005189a2a01bb84eb'
+         'b50f74e4b71d6fda819feb89ccb62bc3')
+backup=('etc/conf.d/macspoof')
+install=macspoof.install
+
+package() {
+    install -m644 -D "${srcdir}/macspoof.conf.d" "${pkgdir}/etc/conf.d/macspoof"
+    install -m644 -D "${srcdir}/macspoof@.service" "${pkgdir}/usr/lib/systemd/system/macspoof@.service"
+}
+

alarm/macspoof/macspoof.conf.d

@@ -0,0 +1,4 @@
+# macspoof@.service configuration file
+# example of setting for eth0 and wlan0
+# mac_addr_eth0=DE:AD:BE:EF:00:01
+# mac_addr_wlan0=DE:AD:BE:EF:00:02

alarm/macspoof/macspoof.install

@@ -0,0 +1,3 @@
+post_install() {
+    echo "    Be sure to edit /etc/conf.d/macspoof"
+}

alarm/macspoof/macspoof@.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=MAC address change %I
+Before=dhcpcd@%i.service netctl@%1.service netctl-ifplugd@%i.service netctl-auto@%i.service
+
+[Service]
+Type=oneshot
+EnvironmentFile=/etc/conf.d/macspoof
+ExecStart=/usr/bin/ip link set dev %i down
+ExecStart=/usr/bin/ip link set dev %i address ${mac_addr_%i}
+
+
+[Install]
+WantedBy=network.target