diff --git a/pkgbuild.sh b/pkgbuild.sh
new file mode 100644
index 0000000..b7d588b
--- /dev/null
+++ b/pkgbuild.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+pacman -Syu --noconfirm --needed base-devel
+useradd builder -m
+echo "builder ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
+chmod -R a+rw .
+
+baseDir="$PWD"
+cd "${INPUT_PKGDIR:-.}"
+oldFiles=$(find -H "$PWD")
+
+sudo -H -u builder makepkg --syncdeps --noconfirm ${INPUT_MAKEPKGARGS:-}
+
+sudo -H -u builder makepkg --printsrcinfo > .SRCINFO
+echo "::set-output name=srcInfo::.SRCINFO"
+sudo mv .SRCINFO /github/workspace
+
+relPkgFile="$(realpath --relative-base="$baseDir" "$pkgFile")"
+echo "::set-output name=pkgFile::$relPkgFile"
+sudo mv "$pkgFile" /github/workspace
+
+newFiles=$(find -H $PWD)
+toRemove=$(printf '%s\n%s\n' "$newFiles" "$oldFiles" | sort | uniq -u)
+rm -rf $toRemove