memacs.sh

#!/bin/bash

DIR="$HOME/repos/memacs"
export SHELL=$(which bash)

start(){
    local name="$1"
    cd $DIR
    echo -e "> booting $name Emacs"
    HOME="$DIR/$name" emacs
}

show_help(){
    cat <<EOF
memacs -- multi emacs selector
    -m LINK -- make new entry
    -h      -- show this help
EOF
}

create(){
    local link user yon name
    link="$1"
    name=${link##*/}
    if [[ "$name" =~ ^(\.?emacs\.d)|(\..*)$ ]]; then
        echo -e "> The repo is like ^(\.?emacs\.d)|(\..*)$\n> try to use the user name"
        name="${link%/*}"
        name="${name##*/}"
    fi
    echo -e "> Would you like to use \`$name' as name to config:\n\t$link"
    read -p "  y or n: " yon
    if [ ${yon:-"y"} == "n" ];then
        read -p "> Input name manually: " name
    fi
    while [ -d "$DIR/$name" ]; do
        echo -e "> $DIR/$name already existed."
        read -p "  Input name manually: " name
    done
    mkdir -p "$DIR/$name"
    proxychains -q git clone "$link" "$DIR/$name/emacs.d"
    ln -s "$DIR/$name/emacs.d" "$DIR/$name/.emacs.d"
}

select_config() {
    local configs sn
    configs=($(ls $DIR))
    for i in ${!configs[@]}; do
        printf "%s: %s\n" "$i" "${configs[$i]}"
    done
    read -p "Select one: " sn

    start ${configs[$sn]}
}

if [ $# -eq 0 ];then
    select_config
else
    while getopts "lc:m:hs:" opt ;do
        case $opt in
            c) start "$OPTARG" ;;
            h) showHelp ;;
            m) create "${OPTARG}" ;;
        esac
    done
fi