forked from zaclys/searxng
319 lines
7.6 KiB
Bash
Executable File
319 lines
7.6 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# -*- coding: utf-8; mode: sh -*-
|
|
# shellcheck disable=SC2059,SC1117,SC2162,SC2004
|
|
|
|
if [[ -z "${REPO_ROOT}" ]]; then
|
|
REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")
|
|
while [ -h "${REPO_ROOT}" ] ; do
|
|
REPO_ROOT=$(readlink "${REPO_ROOT}")
|
|
done
|
|
REPO_ROOT=$(cd "${REPO_ROOT}/.." && pwd -P )
|
|
fi
|
|
|
|
if [[ -z ${TEMPLATES} ]]; then
|
|
TEMPLATES="${REPO_ROOT}/utils/templates"
|
|
fi
|
|
|
|
if [[ -z "$CACHE" ]]; then
|
|
CACHE="${REPO_ROOT}/cache"
|
|
fi
|
|
|
|
if [[ -z "$SYSTEMD_UNITS" ]]; then
|
|
SYSTEMD_UNITS="/lib/systemd/system"
|
|
fi
|
|
|
|
sudo_or_exit() {
|
|
# usage: sudo_or_exit
|
|
|
|
if [ ! "$(id -u)" -eq 0 ]; then
|
|
err_msg "this command requires root (sudo) privilege!" >&2
|
|
exit 42
|
|
fi
|
|
}
|
|
|
|
rst_title() {
|
|
# usage: rst_title <header-text> [part|chapter|section]
|
|
|
|
case ${2-chapter} in
|
|
part) printf "\n${1//?/=}\n$1\n${1//?/=}\n";;
|
|
chapter) printf "\n${1}\n${1//?/=}\n";;
|
|
section) printf "\n${1}\n${1//?/-}\n";;
|
|
*)
|
|
err_msg "invalid argument '${2}' in line $(caller)"
|
|
return 42
|
|
;;
|
|
esac
|
|
}
|
|
|
|
if command -v fmt >/dev/null; then
|
|
export FMT="fmt -u"
|
|
else
|
|
export FMT="cat"
|
|
fi
|
|
|
|
rst_para() {
|
|
# usage: RST_INDENT=1 rst_para "lorem ipsum ..."
|
|
local prefix=''
|
|
if ! [[ -z $RST_INDENT ]] && [[ $RST_INDENT -gt 0 ]]; then
|
|
prefix="$(for i in $(seq 1 "$RST_INDENT"); do printf " "; done)"
|
|
echo -en "\n$*\n" | $FMT | prefix_stdout "$prefix"
|
|
else
|
|
echo -en "\n$*\n" | $FMT
|
|
fi
|
|
}
|
|
|
|
err_msg() { echo -e "ERROR: $*" >&2; }
|
|
warn_msg() { echo -e "WARN: $*" >&2; }
|
|
info_msg() { echo -e "INFO: $*"; }
|
|
|
|
wait_key(){
|
|
# usage: waitKEY [<timeout in sec>]
|
|
|
|
local _t=$1
|
|
[[ ! -z $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
|
|
[[ ! -z $_t ]] && _t="-t $_t"
|
|
# shellcheck disable=SC2086
|
|
read -n1 $_t -p "** press any [KEY] to continue **"
|
|
echo
|
|
}
|
|
|
|
ask_yn() {
|
|
# usage: ask_yn <prompt-text> [Ny|Yn] [<timeout in sec>]
|
|
|
|
local EXIT_YES=0 # exit status 0 --> successful
|
|
local EXIT_NO=1 # exit status 1 --> error code
|
|
|
|
local _t=$3
|
|
[[ ! -z $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
|
|
[[ ! -z $_t ]] && _t="-t $_t"
|
|
case "${2}" in
|
|
Yn)
|
|
local exit_val=${EXIT_YES}
|
|
local choice="[YES/no]"
|
|
local default="Yes"
|
|
;;
|
|
*)
|
|
local exit_val=${EXIT_NO}
|
|
local choice="[NO/yes]"
|
|
local default="No"
|
|
;;
|
|
esac
|
|
echo
|
|
while true; do
|
|
printf "$1 ${choice} "
|
|
# shellcheck disable=SC2086
|
|
read -n1 $_t
|
|
if [[ -z $REPLY ]]; then
|
|
printf "$default\n"; break
|
|
elif [[ $REPLY =~ ^[Yy]$ ]]; then
|
|
exit_val=${EXIT_YES}
|
|
printf "\n"
|
|
break
|
|
elif [[ $REPLY =~ ^[Nn]$ ]]; then
|
|
exit_val=${EXIT_NO}
|
|
printf "\n"
|
|
break
|
|
fi
|
|
_t=""
|
|
err_msg "invalid choice"
|
|
done
|
|
return $exit_val
|
|
}
|
|
|
|
tee_stderr () {
|
|
|
|
# usage::
|
|
# tee_stderr 1 <<EOF | python -i
|
|
# print("hello")
|
|
# EOF
|
|
# ...
|
|
# >>> print("hello")
|
|
# hello
|
|
|
|
local _t="0";
|
|
if [[ ! -z $1 ]] ; then _t="$1"; fi
|
|
|
|
(while read line; do
|
|
# shellcheck disable=SC2086
|
|
sleep $_t
|
|
echo -e "$line" >&2
|
|
echo "$line"
|
|
done)
|
|
}
|
|
|
|
prefix_stdout () {
|
|
# usage: <cmd> | prefix_stdout [prefix]
|
|
|
|
local prefix="-->| "
|
|
|
|
if [[ ! -z $1 ]] ; then prefix="$1"; fi
|
|
|
|
(while IFS= read line; do
|
|
echo -e "${prefix}$line"
|
|
done)
|
|
}
|
|
|
|
append_line() {
|
|
|
|
# usage: append_line <line> <file>
|
|
#
|
|
# Append line if not exists, create file if not exists. E.g::
|
|
#
|
|
# append_line 'source ~/.foo' ~/bashrc
|
|
|
|
local LINE=$1
|
|
local FILE=$2
|
|
grep -qFs -- "$LINE" "$FILE" || echo "$LINE" >> "$FILE"
|
|
}
|
|
|
|
cache_download() {
|
|
|
|
# usage: cache_download <url> <local-filename>
|
|
|
|
local exit_value=0
|
|
|
|
if [[ ! -z ${SUDO_USER} ]]; then
|
|
sudo -u "${SUDO_USER}" mkdir -p "${CACHE}"
|
|
else
|
|
mkdir -p "${CACHE}"
|
|
fi
|
|
|
|
if [[ -f "${CACHE}/$2" ]] ; then
|
|
info_msg "already cached: $1"
|
|
info_msg " --> ${CACHE}/$2"
|
|
fi
|
|
|
|
if [[ ! -f "${CACHE}/$2" ]]; then
|
|
info_msg "caching: $1"
|
|
info_msg " --> ${CACHE}/$2"
|
|
if [[ ! -z ${SUDO_USER} ]]; then
|
|
sudo -u "${SUDO_USER}" wget --progress=bar -O "${CACHE}/$2" "$1" ; exit_value=$?
|
|
else
|
|
wget --progress=bar -O "${CACHE}/$2" "$1" ; exit_value=$?
|
|
fi
|
|
if $exit_value; then
|
|
err_msg "failed to download: $1"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
choose_one() {
|
|
|
|
# usage:
|
|
#
|
|
# DEFAULT_SELECT= 2 \
|
|
# choose_one <name> "your selection?" "Coffee" "Coffee with milk"
|
|
|
|
local default=${DEFAULT_SELECT-1}
|
|
local REPLY
|
|
local env_name=$1 && shift
|
|
local choice=$1;
|
|
local max="${#@}"
|
|
local _t
|
|
[[ ! -z $FORCE_TIMEOUT ]] && _t=$FORCE_TIMEOUT
|
|
[[ ! -z $_t ]] && _t="-t $_t"
|
|
|
|
list=("$@")
|
|
echo -e "Menu::"
|
|
for ((i=1; i<= $(($max -1)); i++)); do
|
|
if [[ "$i" == "$default" ]]; then
|
|
echo -e " $i.) ${list[$i]} [default]"
|
|
else
|
|
echo -e " $i.) ${list[$i]}"
|
|
fi
|
|
done
|
|
while true; do
|
|
printf "$1 [$default] "
|
|
|
|
if (( 10 > $max )); then
|
|
# shellcheck disable=SC2086
|
|
read -n1 $_t
|
|
else
|
|
# shellcheck disable=SC2086,SC2229
|
|
read $_t
|
|
fi
|
|
# selection fits
|
|
[[ $REPLY =~ ^-?[0-9]+$ ]] && (( $REPLY > 0 )) && (( $REPLY < $max )) && break
|
|
|
|
# take default
|
|
[[ -z $REPLY ]] && REPLY=$default && break
|
|
|
|
_t=""
|
|
err_msg "invalid choice"
|
|
done
|
|
echo
|
|
eval "$env_name"='${list[${REPLY}]}'
|
|
}
|
|
|
|
install_template() {
|
|
|
|
# usage:
|
|
#
|
|
# install_template [--no-eval] {file} [{owner} [{group} [{chmod}]]]
|
|
#
|
|
# install_template --no-eval /etc/updatedb.conf root root 644
|
|
|
|
local do_eval=1
|
|
if [[ "$1" == "--no-eval" ]]; then
|
|
do_eval=0; shift
|
|
fi
|
|
local dst="${1}"
|
|
local owner=${2-$(id -un)}
|
|
local group=${3-$(id -gn)}
|
|
local chmod=${4-644}
|
|
local _reply=""
|
|
|
|
info_msg "install: ${dst}"
|
|
|
|
if [[ ! -f "${TEMPLATES}${dst}" ]] ; then
|
|
err_msg "${TEMPLATES}${dst} does not exists"
|
|
err_msg "... can't install $dst / exit installation with error 42"
|
|
wait_key 30
|
|
return 42
|
|
fi
|
|
|
|
local template_file="${TEMPLATES}${dst}"
|
|
if [[ "$do_eval" == "1" ]]; then
|
|
info_msg "BUILD template ${template_file}"
|
|
if [[ -f "${TEMPLATES}${dst}" ]] ; then
|
|
template_file="${CACHE}${dst}"
|
|
mkdir -p "$(dirname "${template_file}")"
|
|
# shellcheck disable=SC2086
|
|
eval "echo \"$(cat ${TEMPLATES}${dst})\"" > "${template_file}"
|
|
else
|
|
err_msg "failed ${template_file}"
|
|
return 42
|
|
fi
|
|
fi
|
|
|
|
mkdir -p "$(dirname "${dst}")"
|
|
|
|
if [[ -f "${dst}" ]] ; then
|
|
info_msg "file ${dst} allready exists on this host"
|
|
choose_one _reply "choose next step with file $dst" \
|
|
"replace file" \
|
|
"leave file unchanged"
|
|
|
|
case $_reply in
|
|
"replace file")
|
|
info_msg "install: ${template_file}"
|
|
sudo -H install -v -o "${owner}" -g "${group}" -m "${chmod}" \
|
|
"${template_file}" "${dst}" | prefix_stdout
|
|
;;
|
|
"leave file unchanged")
|
|
;;
|
|
"interactiv shell")
|
|
echo "// exit with STRG-D"
|
|
sudo -H -u "${owner}" -i
|
|
;;
|
|
esac
|
|
|
|
else
|
|
info_msg "install: ${template_file}"
|
|
sudo -H install -v -o "${owner}" -g "${group}" -m "${chmod}" \
|
|
"${template_file}" "${dst}" | prefix_stdout
|
|
fi
|
|
|
|
}
|
|
|