hello world dpkg

hello-world-dpkg.sh

#!/usr/bin/env bash

if type -a ryan; then
	echo ryan already installed
	sudo apt remove ryan -y
fi

version="0.0.1"

sudo rm -rf "ryan-${version}" ||:
mkdir -p "ryan-${version}/DEBIAN"
mkdir -p "ryan-${version}/usr/local/bin"


cat << EOF > "ryan-${version}/usr/local/bin/ryan"
#!/usr/bin/env bash

echo hello world from ryan \$(date)

EOF
sudo chmod a+x "ryan-${version}/usr/local/bin/ryan"

cat << EOF > "ryan-${version}/DEBIAN/control"
Package: ryan
Version: ${version}
Architecture: all
Maintainer: ryan
Depends: 
Installed-Size: 1
Homepage: github.com/rms1000watt
Description: ryan's hello world to dpkg
EOF

sudo chown -R 0:0 "ryan-${version}"
dpkg -b "ryan-${version}"

which ryan ||:
sudo dpkg -i "ryan-${version}.deb"

which ryan
ryan