did a thing!

PKGBUILD

@@ -0,0 +1,20 @@
+# Crystal Maintainer: echo -n 'bWF0dEBnZXRjcnlzdC5hbA==' | base64 --decode
+pkgname=pkg_warner
+pkgver=1.0
+pkgrel=1
+pkgdesc="A helpful script if you use the wrong package manager"
+arch=('any')
+url="https://github.com/crystal-linux/pkg-warner"
+license=('GPL')
+provides=($pkgname)
+conflicts=($pkgname)
+depends=('bash')
+source=('warner')
+md5sums=('SKIP')
+
+package() {
+  chmod +x warner
+  mkdir -p ${pkgdir}/usr/bin
+  cp warner ${pkgdir}/usr/bin/pkg-warner
+  ln -s ${pkgdir}/usr/bin/{apt,apt-get,zypper,dnf,eopkg,apk} /usr/bin/pkg-warner
+}

warner

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+#!/usr/bin/env bash
+
+# Source: https://stackoverflow.com/a/36625843
+texec=$(echo $0 $*)
+
+if [[ $texec == *"pkg-warner"* ]]; then
+    echo "This command is meant to be run via symlink"
+else
+    echo "On Crystal, we don't use '$texec', we use 'ame'"
+    echo "For more specific usage information, see 'ame help'"
+fi