skeleton for new install script

install.sh

@@ -1,171 +1,98 @@
 #!/bin/sh
 
-_usage() {
+RED='\033[0;31m'
-  printf "%s" \
+GREEN='\033[0;32m'
-    "Usage: sh ${0##*/} [ options ]
+ORANGE='\033[0;33m'
-    -h | --help          => Show this help.
+BLUE='\033[0;34m'
+NC='\033[0m' # No Color
 
-    -i | --install       => Install the config.
+# https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux
-
+prompt() {
-    -u | --update        => Update the existing config without removing existing stuff.
+    case ${1} in
-
+    "-s" | "--success")
-    -b | --backup 'path' => Custom config backup path.
+        printf "${GREEN}%s${NC}\n" "${2}"
-
+        ;;
-    -nb | --no-backup    => Don't take existing config backup. Use with caution.
+    "-e" | "--error")
-"
+        printf "${RED}%s${NC}\n" "${2}"
-  exit 0
+        ;;
-}
+    "-w" | "--warning")
-
+        printf "${ORANGE}%s${NC}\n" "${2}"
-_check_install_dependencies() {
+        ;;
-  _error_dependencies() {
+    "-i" | "--info")
-    printf "%s\n" "Error: Install ${1} before proceeding."
+        printf "${BLUE}%s${NC}\n" "${2}"
-    exit 1
+        ;;
-  }
+    *)
-  command -v git 1>/dev/null || _error_dependencies git
+        printf "${GREEN}%s${NC}\n" "${2}"
-  _SED="$(command -v sed)" || _error_dependencies sed
+        ;;
-  return 0
-}
-
-_check_nvim_version() {
-  version_string="$(nvim --version | grep -Eo 'NVIM.*v[0-9.]+' -m 1 | grep -Eo '[0-9.]+')" || return 1
-  printf "%s\n" "${version_string}" | while IFS=. read -r num1 num2 num3; do
-    { [ "${num1}" -ge 0 ] && [ "${num2}" -ge 5 ] && [ "${num3}" -ge 0 ]; } || return 1
-  done
-}
-
-_copy_config() {
-  printf "%s\n" "Linking config"
-  printf "%s\n" "Old nvim config will be changed to nvim.bak if exists! :0"
-
-  # copying config
-  if [ -d "${_CONFIG_PATH}" ]; then
-    printf "%s\n" "Nvim Directory exists"
-    if [ "${_NO_BACKUP}" = "true" ]; then
-      printf "%s\n" "Skipping backup as --no-backup flag was passed.."
-      [ "${_UPDATE}" = "false" ] && rm -rf "${_CONFIG_PATH}"
-    else
-      printf "%s\n" "Taking backup of existing config.."
-      mv "${_CONFIG_PATH}" "${_BACKUP_PATH}" || {
-        printf "\n%s\n" "Error: Cannot move ${_CONFIG_PATH} to ${_BACKUP_PATH}"
-        printf "\n%s\n" "Take backup manually or use -b/--backup to provide non-empty path or use -nb/--no-backup to skip backup."
-        exit 1
-      }
-    fi
-  else
-    printf "%s\n" "Nvim config doesn't exist, creating it now"
-  fi
-
-  mkdir -p "${_CONFIG_PATH}" || {
-    printf "%s\n" "Error: Cannot create folder ${_CONFIG_PATH}"
-    exit 1
-  }
-
-  { cp -r init.lua lua "${_CONFIG_PATH}"/; } || {
-    printf "Error: Couldn't copy nvim config\n"
-    exit 1
-  }
-  return 0
-}
-
-_setup_terminal_shell() {
-  _mappings_file="${_CONFIG_PATH}/lua/mappings.lua"
-  # only ask for shellname if running in terminal
-  if [ -t 1 ]; then
-    if chsh -l 2>/dev/null 1>&2; then
-      printf "\nAvailable Shells:\n"
-      chsh -l | nl
-      printf "\n%s\n" "Which shell do you want to use? (Eg. 2)"
-      printf "\t%s\n" "[ Enter nothing for current shell ( $_CURRENT_SHELL ) ]"
-      read -r shellnum
-      [ "${shellnum}" -gt 0 ] 2>/dev/null && _SHELLPATH="$(chsh -l | sed -n "$shellnum p")"
-    fi
-  fi
-
-  # don't try to do any changes user wants their default shell in nvim
-  if [ -n "$_SHELLPATH" ]; then
-    # Reference: https://stackoverflow.com/a/4247319
-    # \( & \) will use regex brackets (for later reference with \1)
-    # ( & ) will match text brackets
-    if "${_SED}" --posix -i'.bak' -e "s=^\(map(.* \+*terminal\) \(.*)\)=\1$_SHELLPATH \2=g" "${_mappings_file}"; then
-      printf "%s\n" "=> Neovim shell changed to $_SHELLPATH successfully!"
-    else
-      printf "%s\n" "Cannot edit with sed, edit ${_mappings_file} manually to replace bash with $_SHELLPATH."
-    fi
-    rm -f "${_mappings_file}".bak # delete backup file created by sed
-  fi
-  printf "%s\n" "=> Neovim shell will be ${_SHELLPATH:-${_CURRENT_SHELL}}"
-  return 0
-}
-_setup_arguments() {
-  # default variables to be used
-  _CONFIG_PATH="${XDG_CONFIG_HOME:-${HOME}/.config}/nvim"
-  _UPDATE=""
-  _BACKUP_PATH="${_CONFIG_PATH}.bak"
-  _NO_BACKUP="false"
-  _CURRENT_SHELL="${SHELL##*/}"
-
-  _check_longoptions() {
-    [ -z "${2}" ] &&
-      printf '%s: %s: option requires an argument\nTry '"%s -h/--help"' for more information.\n' "${0##*/}" "${1}" "${0##*/}" &&
-      exit 1
-    return 0
-  }
-
-  while [ $# -gt 0 ]; do
-    case "${1}" in
-    -h | --help) _usage ;;
-    -i | --install) _UPDATE="false" ;;
-    -u | --update) _UPDATE="true" ;;
-    -b | --backup)
-      _check_longoptions "${1}" "${2}"
-      _BACKUP_PATH="${2}" && shift
-      ;;
-    -nb | --nobackup) _NO_BACKUP="true" ;;
     esac
-    shift
-  done
-
-  [ -z "${_UPDATE}" ] && {
-    printf "%s\n" "Error: Either -i/--install or -u/--update flag must be used."
-    printf "%s\n" "See -h/--help for more info."
-    exit 1
-  }
-
-  printf "%s\n" \
-    "CONFIG PATH: ${_CONFIG_PATH}
-$(if [ "${_NO_BACKUP}" = "true" ]; then
-      printf "SKIPPING CONFIG BACKUP !\n"
-    else
-      printf "%s\n" "CONFIG BACKUP PATH: ${_BACKUP_PATH}"
-    fi)
-CURRENT SHELL: ${_CURRENT_SHELL}
-"
-
-  return 0
 }
 
+_usage() {
+    printf "%s" \
+        "Usage: sh ${0##*/} [ options ]
+    -h  | --help         => Show this help.
+    -i  | --install      => Install the config.
+    -r  | --remove       => Remove the config.
+    -u  | --update       => Update the existing config without removing existing stuff.
+"
+    exit 0
+}
+
+_eval_exit() {
+	status=$1
+    suc_msg=$2
+    err_msg=$3
+
+    case $status in
+    0)
+        prompt -s "${suc_msg}"
+        ;;
+    *)
+        prompt -e "${err_msg}"
+        ;;
+    esac
+
+}
+
+# _install() {}
+_remove() {
+    prompt -i "-> Cleaning '$HOME/.config/nvim/'"
+    # rm -rf "$HOME/.config/nvim/"
+
+    prompt -i "-> Cleaning '$HOME/.local/share/nvim/'"
+    # rm -rf "$HOME./local/share/nvim/"
+}
+# _update() {}
+
 main() {
-  [ $# = 0 ] && _usage
+    while :; do
+        case $1 in
+        -h | -\? | --help)
+            _usage
+            exit 0
+            ;;
+        -i | --install)
+            _install
+            ;;
+        -r | --remove)
+            _remove
+            _eval_exit $? "Successfully removeed NvChad!" "Failed to remove NvChad"
+            ;;
+        *) # Default case: No more options, so break out of the loop.
+            break
+            ;;
+        esac
+        shift
+    done
 
-  _check_install_dependencies
-
-  _setup_arguments "${@}"
-  _copy_config
-  [ "${_UPDATE}" = "false" ] && _setup_terminal_shell
-
-  # install all plugins + compile them
-  if _NVIM="$(command -v nvim)"; then
-    if _check_nvim_version; then
-      printf "\n%s\n" "=> Neovim will now open." && sleep 1
-      "${_NVIM}" +"autocmd User PackerComplete ++once quitall" \
-        +":lua require 'pluginList' vim.cmd('PackerSync')"
-      "${_NVIM}"
-    else
-      printf "Error: Neovim is installed, but version is lower than 0.5.x, install Neovim >= 5.x and then run nvim & do :PackerSync\n."
-    fi
-  else
-    printf "Error: Neovim is not installed, install Neovim >= 5.x and then run neovim & do :PackerSync.\n"
-  fi
 }
 
-main "${@}"
+init() {
+    if [ $# -eq 0 ]; then
+        prompt -e "ERROR: This script needs at least one argument"
+    else
+        main "${@}"
+    fi
+}
+
+init "${@}"