Replace a file via ssh on a server

replace-remote-file.sh

#!/usr/bin/env bash

# Replce a file on a server
# replace-remote-file.sh

if [[ $# -lt 5 || $# -gt 6 ]]; then
	echo "Usage: replace-remote-file /path/to/local/file /path/to/remote/file chown restart-cmd hostname [bak-suffix]"
	exit 1
fi


local_file="$1"
remote_file="$2"
chown="$3"
restart_cmd="$4"
hostname="$5"
bak="$6"

if [[ -z "$bak" ]]; then
	bak=".bak"
fi

copied_filename=$(basename "$remote_file")

scp "$local_file" "${hostname}:${copied_filename}"
ssh -t "${hostname}" sudo chown "${chown}" "${copied_filename}"
ssh -t "${hostname}" sudo cp "${remote_file}" "${remote_file}${bak}"
ssh -t "${hostname}" sudo mv "${copied_filename}" "${remote_file}"
ssh -t "${hostname}" sudo "${restart_cmd}"