147 lines
3.0 KiB
Bash
Executable File
147 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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ORANGE='\033[0;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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# https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux
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prompt() {
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case ${1} in
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"-s" | "--success")
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printf "${GREEN}%s${NC}\n" "${2}"
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;;
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"-e" | "--error")
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printf "${RED}%s${NC}\n" "${2}"
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;;
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"-w" | "--warning")
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printf "${ORANGE}%s${NC}\n" "${2}"
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;;
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"-i" | "--info")
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printf "${BLUE}%s${NC}\n" "${2}"
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;;
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*)
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printf "${GREEN}%s${NC}\n" "${2}"
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;;
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esac
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}
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_usage() {
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printf "%s" \
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"Usage: sh ${0##*/} [ options ]
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-h, --help -> Show this help.
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-i, --install -> Install the config.
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-r, --remove -> Remove the config.
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-u, --update -> Update the existing config without removing existing stuff.
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"
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}
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skip=0
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_skip_ahead() {
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amount=$1
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skip=$((skip + amount))
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}
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_parse_args() {
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local func_args=$1
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local argv=("$@")
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# local skip=0
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unset 'argv[0]' # becuase arg1 is $func_arg
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for i in "${!argv[@]}"; do new_array+=( "${argv[i]}" ); done
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argv=("${new_array[@]}")
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unset new_array
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local argc=${#argv[@]}
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_skip_ahead() {
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amount=$1
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skip=$((skip + amount))
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}
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_clean_arg() {
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arg=$1
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if [[ "$arg" == "--"* ]]; then
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echo "${arg:2}"
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elif [[ "$arg" == "-"* ]]; then
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echo "${arg:1}"
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fi
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}
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for j in "${!argv[@]}"; do
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if [[ ${skip} -gt 0 ]]; then
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left=$((argc - j))
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while [[ ${skip} > ${left} ]]; do ((skip--)); done
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skip=$((skip - 1))
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continue
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fi
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case ${argv[j]} in
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--*) # End of all options.
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case ${argv[j]} in
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--) # End of all options.
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break
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;;
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*)
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# eval "${func_args}" "$(_clean_arg "${argv[j]}")" "$j"
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eval "${func_args}" "${argv[j]}" "$j"
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;;
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esac
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;;
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-*)
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if [[ ${#argv[j]} -le 2 ]]; then
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eval "${func_args}" "${argv[j]}" "$j"
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else
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tangled_args=$(_clean_arg "${argv[j]}")
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for ((k = 0; k < ${#tangled_args}; k++)); do
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eval "${func_args}" "-${tangled_args:$k:1}" "$j"
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done
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fi
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;;
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*)
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eval "${func_args}" "${argv[j]}" "$j"
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;;
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esac
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done
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}
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main() {
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local argvs=("$@")
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local argc=${#argvs[@]}
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assert_arg() {
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var=$1 # flag
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index=$2 # flag's index
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case ${var} in
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-h | --help)
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_usage
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;;
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-i | --install)
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prompt -i "installing..."
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;;
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-r | --remove)
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prompt -i "removing..."
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;;
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-a | --action)
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action=${argvs[index+1]}
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prompt -i "Action to perform -> ${action}"
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_skip_ahead 1
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;;
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-p=* | --path=*)
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path="${var#*=}"
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prompt -i "Path was set to -> ${path}"
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;;
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*)
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prompt -w "Warning: unknown command '${var}'"
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;;
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esac
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}
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_parse_args "assert_arg" "${argvs[@]}"
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}
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main "${@}"
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