init: pkgbuild with service file

.SRCINFO

@@ -0,0 +1,15 @@
+pkgbase = watt
+	pkgdesc = Modern CPU frequency and power management utility for Linux
+	pkgver = 0.3.1
+	pkgrel = 1
+	url = https://github.com/NotAShelf/watt
+	arch = x86_64
+	arch = armv7h
+	license = MPL-2.0
+	makedepends = cargo
+	source = watt-0.3.1.tar.gz::https://github.com/NotAShelf/watt/archive/refs/tags/v0.3.1.tar.gz
+	source = watt.service
+	sha256sums = 406834dae5e4734987d5777e207b62cb4e89f7acc992a423215ee38e99d88191
+	sha256sums = SKIP
+
+pkgname = watt

.gitignore

@@ -0,0 +1,7 @@
+*
+
+!.gitignore
+!PKGBUILD
+!.SRCINFO
+
+!watt.service

PKGBUILD

@@ -0,0 +1,42 @@
+# Maintainer: Virt <virtinstance@gmail.com>
+
+pkgname=watt
+pkgver=0.3.1
+pkgrel=1
+pkgdesc='Modern CPU frequency and power management utility for Linux'
+url='https://github.com/NotAShelf/watt'
+
+license=('MPL-2.0')
+makedepends=('cargo')
+depends=()
+arch=('x86_64' 'armv7h')
+
+source=("$pkgname-$pkgver.tar.gz::$url/archive/refs/tags/v$pkgver.tar.gz" "$pkgname.service")
+sha256sums=('406834dae5e4734987d5777e207b62cb4e89f7acc992a423215ee38e99d88191' 'SKIP')
+
+prepare() {
+	cd "$pkgname-$pkgver"
+
+    export RUSTUP_TOOLCHAIN=stable
+    cargo fetch --locked --target "$(rustc -vV | sed -n 's/host: //p')"
+}
+
+build() {
+	cd "$pkgname-$pkgver"
+
+    export RUSTUP_TOOLCHAIN=stable
+    export CARGO_TARGET_DIR=target
+    cargo build --frozen --release --all-features
+}
+
+package() {
+	# install custom systemd service adapted from the nix module
+	install -Dm644 "$pkgname.service" "$pkgdir/usr/lib/systemd/system/$pkgname.service"
+
+	cd "$pkgname-$pkgver"
+
+	# TODO: revert this
+    install -Dm0755 "target/release/superfreq" "$pkgdir/usr/bin/$pkgname" 
+    install -Dm644 LICENSE "$pkgdir/usr/share/licenses/$pkgname/LICENSE"
+}
+

watt.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Modern CPU frequency and power management utility for Linux 
+Conflicts=auto-cpufreq.service power-profiles-daemon.service tlp.service cpupower-gui.service thermald.service
+
+[Service]
+ExecStart=/usr/bin/watt daemon --verbose
+Restart=on-failure
+
+RuntimeDirectory=watt
+RuntimeDirectoryMode=0755
+
+[Install]
+WantedBy=multi-user.target