skeleton for new install script

This commit is contained in:
Pocco81 2021-08-02 21:23:20 -05:00
parent 6468de54c1
commit 668f1d5623

View file

@ -1,171 +1,98 @@
#!/bin/sh
RED='\033[0;31m'
GREEN='\033[0;32m'
ORANGE='\033[0;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color
# https://stackoverflow.com/questions/5947742/how-to-change-the-output-color-of-echo-in-linux
prompt() {
case ${1} in
"-s" | "--success")
printf "${GREEN}%s${NC}\n" "${2}"
;;
"-e" | "--error")
printf "${RED}%s${NC}\n" "${2}"
;;
"-w" | "--warning")
printf "${ORANGE}%s${NC}\n" "${2}"
;;
"-i" | "--info")
printf "${BLUE}%s${NC}\n" "${2}"
;;
*)
printf "${GREEN}%s${NC}\n" "${2}"
;;
esac
}
_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.
-b | --backup 'path' => Custom config backup path.
-nb | --no-backup => Don't take existing config backup. Use with caution.
"
exit 0
}
_check_install_dependencies() {
_error_dependencies() {
printf "%s\n" "Error: Install ${1} before proceeding."
exit 1
}
command -v git 1>/dev/null || _error_dependencies git
_SED="$(command -v sed)" || _error_dependencies sed
return 0
}
_eval_exit() {
status=$1
suc_msg=$2
err_msg=$3
_check_nvim_version() {
version_string="$(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
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() {
while :; do
case $1 in
-h | -\? | --help)
_usage
exit 0
;;
-i | --install)
_install
;;
-r | --remove)
_remove
_eval_exit $? "Successfully removeed NvChad!" "Failed to remove NvChad"
;;
*) # Default case: No more options, so break out of the loop.
break
;;
-nb | --nobackup) _NO_BACKUP="true" ;;
esac
shift
done
[ -z "${_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
}
main() {
[ $# = 0 ] && _usage
_check_install_dependencies
_setup_arguments "${@}"
_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}"
init() {
if [ $# -eq 0 ]; then
prompt -e "ERROR: This script needs at least one argument"
else
printf "Error: Neovim is installed, but version is lower than 0.5.x, install Neovim >= 5.x and then run nvim & do :PackerSync\n."
fi
else
printf "Error: Neovim is not installed, install Neovim >= 5.x and then run neovim & do :PackerSync.\n"
main "${@}"
fi
}
main "${@}"
init "${@}"