Archlinux's PKGBUILD.

PKGBUILD

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+# Maintainer: Alexander "Arav" Andreev <me@arav.top>
+pkgname=kwh-calc
+pkgver=1.0.0
+pkgrel=1
+epoch=0
+pkgdesc="Calculate cost of electricity."
+arch=('any')
+url="https://git.arav.top/Arav/kwh-calc"
+license=('MIT')
+source=('git+https://git.arav.top/Arav/kwh-calc.git')
+
+build() {
+    cd "$srcdir/$pkgname"
+    make
+}
+
+package() {
+    cd "$pkgname"
+    make DESTDIR="$pkgdir/" install
+}