chmod +x deproy.sh

deproy.sh

#!/bin/bash

help(){
    cat <<B
deproy.sh

Usage: deproy.sh [cmd]

Command list:

    start - start deploy
    force - force deploy (skip sha256 verification)
    init - create an empty configuration file

 connection options:

    ssh-user [string]   - set ssh user (required)
    ssh-host [host]     - set ssh host (required)
    ssh-pass [password] - set ssh password
    ssh-key  [filename] - set ssh key
    ssh-port [port]     - set ssh port

 deploy options:

    remote-dst-folder [folder] - folder name to extract file (required)
    remote-tmp [folder] - remote temporary file location
    dont-unpack [bool] - dont unpack file
B
    exit
}

init(){
    > .deproy-conf
    exit
}

fatal(){
    echo "$@"
    exit
}

update_or_create(){
    local var="$1"
    local value="$2"

    var="${var//-/_}"
    value="${value////\\/}"

    grep -q "^$var=.*" .deproy-conf && sed "s/^$var=.*/$var=$value/" -i .deproy-conf ||
        echo "$var=$value" >> .deproy-conf

}

[[ $# -lt 1 ]] && fatal 'deproy.sh: you must set an action, run `deproy.sh help` for futher information'

case $1 in
    init)
        init
    ;;
    help)
        help
    ;;
    start|force)
    ;;
    *)
        update_or_create "$1" "$2"
        exit
    ;;
esac

if [[ -f .deproy-conf ]];then
    . .deproy-conf
else
    fatal 'deproy.sh: .deproy-conf not found'
fi

[[ -z "$ssh_user" ]] && fatal "deproy.sh: ssh-user not set"
[[ -z "$ssh_host" ]] && fatal "deproy.sh: ssh-host not set"
[[ -z "$remote_dst_folder" ]] && fatal "deproy.sh: remote-dst-folder not set"

if [[ ! -z "$ssh_pass" ]];then
    cmd+=(sshpass -p "$ssh_pass")
fi

if [[ -z "$remote_tmp" ]];then
    remote_tmp='/tmp'
fi

tmp_name=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
tmp_file="/tmp/$tmp_name.tar.gz"
remote_tmp_name="$remote_tmp/$tmp_name.tar.gz"


if [[ -f .deproy-time ]];then
    taropts=(--newer "`LANG=en date -r .deproy-time`")
fi


if [[ ! -z "$ssh_port" ]];then
    sshcustom=(-p $ssh_port)
    scpcustom=(-P $ssh_port)
fi

if [[ ! -z "$ssh_key" ]];then
    sshcustom+=(-i "$ssh_key")
    scpcustom+=(-i "$ssh_key")
fi

echo "[*] packing ..."
tar --exclude-vcs-ignores -czf "$tmp_file" "${taropts[@]}" --exclude='.deproy*' .

sha=($(sha256sum "$tmp_file"))
read oldsum < .deproy-sha256sum

echo "${sha[0]}" > .deproy-sha256sum
if [[ "${sha[0]}" == "$oldsum" && "$1" != "force" ]];then
    echo "[+] nothing to do"
    exit
fi

echo -e "[*] uploading ..."
"${cmd[@]}" scp "${scpcustom[@]}" "$tmp_file" "$ssh_user"@"$ssh_host":"$remote_tmp"

echo "[+] remote filename: $remote_tmp_name"

if [[ -z "$dont_unpack" ]];then
   echo "[*] remote unpacking ..."
   "${cmd[@]}" ssh "${sshcustom[@]}" "$ssh_user"@"$ssh_host" "tar -xvf $remote_tmp_name -C \"$remote_dst_folder\";rm -f \"$remote_tmp_name\""
fi

> .deproy-time
rm -f "$tmp_file"