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WhiteSur-gtk-theme/lib-core.sh
Muhammad Rivan 6e35ea5206
Revamp debugging
2021-06-05 18:50:11 +07:00

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# WARNING: Please make this shell not working-directory dependant, for example
# instead of using 'ls blabla', use 'ls "${REPO_DIR}/blabla"'
#
# WARNING: Don't use "cd" in this shell, use it in a subshell instead,
# for example ( cd blabla && do_blabla ) or $( cd .. && do_blabla )
#
# WARNING: Please don't use sudo directly here since it steals our EXIT trap
set -Eeo pipefail
if [[ ! "${REPO_DIR}" ]]; then
echo "Please define 'REPODIR' variable"; exit 1
elif [[ "${WHITESUR_SOURCE[@]}" =~ "lib-core.sh" ]]; then
echo "'lib-core.sh' is already imported"; exit 1
fi
WHITESUR_SOURCE=("lib-core.sh")
###############################################################################
# VARIABLES #
###############################################################################
export WHITESUR_PID=$$
MY_USERNAME="$(logname 2> /dev/null || echo ${SUDO_USER:-${USER}})"
if command -v gnome-shell &> /dev/null; then
if (( $(gnome-shell --version | cut -d ' ' -f 3 | cut -d . -f 1) >= 4 )); then
GNOME_VERSION="new"
else
GNOME_VERSION="old"
fi
else
GNOME_VERSION="none"
fi
# Program options
SASSC_OPT="-M -t expanded"
if [[ "$(uname -s)" =~ "BSD" || "$(uname -s)" == "Darwin" ]]; then
SED_OPT="-i """
else
SED_OPT="-i"
fi
# Directories
THEME_SRC_DIR="${REPO_DIR}/src"
DASH_TO_DOCK_SRC_DIR="${REPO_DIR}/src/other/dash-to-dock"
DASH_TO_DOCK_DIR_ROOT="/usr/share/gnome-shell/extensions/dash-to-dock@micxgx.gmail.com"
DASH_TO_DOCK_DIR_HOME="/home/${MY_USERNAME}/.local/share/gnome-shell/extensions/dash-to-dock@micxgx.gmail.com"
FIREFOX_SRC_DIR="${REPO_DIR}/src/other/firefox"
FIREFOX_DIR_HOME="/home/${MY_USERNAME}/.mozilla/firefox"
FIREFOX_THEME_DIR="/home/${MY_USERNAME}/.mozilla/firefox/firefox-themes"
FIREFOX_FLATPAK_DIR_HOME="/home/${MY_USERNAME}/.var/app/org.mozilla.firefox/.mozilla/firefox"
FIREFOX_FLATPAK_THEME_DIR="/home/${MY_USERNAME}/.var/app/org.mozilla.firefox/.mozilla/firefox/firefox-themes"
FIREFOX_SNAP_DIR_HOME="/home/${MY_USERNAME}/snap/firefox/common/.mozilla/firefox"
FIREFOX_SNAP_THEME_DIR="/home/${MY_USERNAME}/snap/firefox/common/.mozilla/firefox/firefox-themes"
export WHITESUR_TMP_DIR="/tmp/WhiteSur.lock"
if [[ -w "/" ]]; then
THEME_DIR="/usr/share/themes"
else
THEME_DIR="$HOME/.themes"
fi
# GDM
WHITESUR_GS_DIR="/usr/share/gnome-shell/theme/WhiteSur"
COMMON_CSS_FILE="/usr/share/gnome-shell/theme/gnome-shell.css"
UBUNTU_CSS_FILE="/usr/share/gnome-shell/theme/ubuntu.css"
ZORIN_CSS_FILE="/usr/share/gnome-shell/theme/zorin.css"
ETC_CSS_FILE="/etc/alternatives/gdm3.css"
ETC_GR_FILE="/etc/alternatives/gdm3-theme.gresource"
YARU_GR_FILE="/usr/share/gnome-shell/theme/Yaru/gnome-shell-theme.gresource"
POP_OS_GR_FILE="/usr/share/gnome-shell/theme/Pop/gnome-shell-theme.gresource"
MISC_GR_FILE="/usr/share/gnome-shell/gnome-shell-theme.gresource"
GS_GR_XML_FILE="${THEME_SRC_DIR}/main/gnome-shell/gnome-shell-theme.gresource.xml"
# Theme
THEME_NAME="WhiteSur"
COLOR_VARIANTS=('light' 'dark')
OPACITY_VARIANTS=('normal' 'solid')
ALT_VARIANTS=('normal' 'alt')
THEME_VARIANTS=('default' 'blue' 'purple' 'pink' 'red' 'orange' 'yellow' 'green' 'grey')
ICON_VARIANTS=('standard' 'simple' 'gnome' 'ubuntu' 'arch' 'manjaro' 'fedora' 'debian' 'void')
SIDEBAR_SIZE_VARIANTS=('default' '220' '240' '260' '280')
PANEL_OPACITY_VARIANTS=('default' '30' '45' '60' '75')
NAUTILUS_STYLE_VARIANTS=('default' 'stable' 'mojave' 'glassy')
# Customization, default values
dest="${THEME_DIR}"
name="${THEME_NAME}"
colors=("${COLOR_VARIANTS}")
opacities=("${OPACITY_VARIANTS}")
alts=("${ALT_VARIANTS[0]}")
themes=("${THEME_VARIANTS[0]}")
icon="${ICON_VARIANTS[0]}"
sidebar_size="${SIDEBAR_SIZE_VARIANTS[0]}"
panel_opacity="${PANEL_OPACITY_VARIANTS[0]}"
nautilus_style="${NAUTILUS_STYLE_VARIANTS[1]}"
background="default"
compact="true"
# Ambigous arguments checking and overriding default values
declare -A has_set=([-b]="false" [-s]="false" [-p]="false" [-d]="false" [-n]="false" [-a]="false" [-o]="false" [-c]="false" [-i]="false" [-t]="false" [-N]="false")
declare -A need_dialog=([-b]="false" [-s]="false" [-p]="false" [-d]="false" [-n]="false" [-a]="false" [-o]="false" [-c]="false" [-i]="false" [-t]="false" [-N]="false")
# Tweaks
need_help="false"
uninstall="false"
interactive="false"
no_darken="false"
no_blur="false"
firefox="false"
edit_firefox="false"
flatpak="false"
snap="false"
gdm="false"
dash_to_dock="false"
max_round="false"
showapps_normal="false"
# Misc
msg=""
final_msg="Run '${0} --help' to explore more customization features!"
notif_msg=""
process_ids=()
error_snippet=""
export ANIM_PID="0"
has_any_error="false"
# Colors and animation
c_default="\033[0m"
c_blue="\033[1;34m"
c_magenta="\033[1;35m"
c_cyan="\033[1;36m"
c_green="\033[1;32m"
c_red="\033[1;31m"
c_yellow="\033[1;33m"
anim=(
"${c_blue}•${c_green}•${c_red}•${c_magenta}• "
" ${c_green}•${c_red}•${c_magenta}•${c_blue}• "
" ${c_red}•${c_magenta}•${c_blue}•${c_green}• "
" ${c_magenta}•${c_blue}•${c_green}•${c_red}• "
" ${c_blue}•${c_green}•${c_red}•${c_magenta}• "
)
###############################################################################
# CORE UTILITIES #
###############################################################################
start_animation() {
setterm -cursor off
(
while true; do
for i in {0..4}; do
echo -ne "\r\033[2K ${anim[i]}"
sleep 0.1
done
for i in {4..0}; do
echo -ne "\r\033[2K ${anim[i]}"
sleep 0.1
done
done
) &
export ANIM_PID="${!}"
}
stop_animation() {
[[ -e "/proc/${ANIM_PID}" ]] && kill -13 "${ANIM_PID}"
setterm -cursor on
}
# Echo like ... with flag type and display message colors
prompt() {
case "${1}" in
"-s")
echo -e " ${c_green}${2}${c_default}" ;; # print success message
"-e")
echo -e " ${c_red}${2}${c_default}" ;; # print error message
"-w")
echo -e " ${c_yellow}${2}${c_default}" ;; # print warning message
"-i")
echo -e " ${c_cyan}${2}${c_default}" ;; # print info message
esac
}
###############################################################################
# SELF SAFETY #
###############################################################################
##### This is the core of error handling, make sure there's no error here #####
### TODO: return "lockWhiteSur()" back for non functional syntax error handling
### and lock dir removal after immediate terminal window closing
if [[ -d "${WHITESUR_TMP_DIR}" ]]; then
start_animation; sleep 2; stop_animation; echo
if [[ -d "${WHITESUR_TMP_DIR}" ]]; then
prompt -e "ERROR: Whitesur installer or tweaks is already running. Probably it's run by '$(ls -ld "${WHITESUR_TMP_DIR}" | awk '{print $3}')'"
exit 1
fi
fi
rm -rf "${WHITESUR_TMP_DIR}"
mkdir -p "${WHITESUR_TMP_DIR}"; exec 2> "${WHITESUR_TMP_DIR}/error_log.txt"
signal_exit() {
rm -rf "${WHITESUR_TMP_DIR}"
stop_animation
}
operation_aborted() {
IFS=$'\n'
local sources=($(basename -a "${WHITESUR_SOURCE[@]}" "${BASH_SOURCE[@]}" | sort -u))
local dist_ids=($(awk -F '=' '/ID/{print $2}' "/etc/os-release"))
local repo_ver=""
local lines=()
if ! repo_ver="$(cd "${REPO_DIR}"; git log -1 --date=format-local:"%FT%T%z" --format="%ad" 2> /dev/null)"; then
if ! repo_ver="$(date -r "${REPO_DIR}" +"%FT%T%z")"; then
repo_ver="unknown"
fi
fi
clear
prompt -e "\n\n Oops! Operation has been aborted or failed...\n"
prompt -e "=========== ERROR LOG ==========="
if ! awk '{printf "\033[1;31m >>> %s\n", $0}' "${WHITESUR_TMP_DIR}/error_log.txt"; then
prompt -e ">>>>>>> No error log found <<<<<<"
fi
prompt -e "\n =========== ERROR INFO =========="
prompt -e "FOUND :"
for i in "${sources[@]}"; do
lines=($(grep -Fn "${error_snippet:-${BASH_COMMAND}}" "${REPO_DIR}/${i}" | cut -d : -f 1 || echo ""))
prompt -e " >>> ${i}$(IFS=';'; [[ "${lines[*]}" ]] && echo " at ${lines[*]}")"
done
prompt -e "SNIPPET:\n >>> ${error_snippet:-${BASH_COMMAND}}"
prompt -e "TRACE :"
for i in "${FUNCNAME[@]}"; do
prompt -e " >>> ${i}"
done
prompt -e "\n =========== SYSTEM INFO ========="
prompt -e "DISTRO : $(IFS=';'; echo "${dist_ids[*]}")"
prompt -e "SUDO : $([[ -w "/" ]] && echo "yes" || echo "no")"
prompt -e "GNOME : ${GNOME_VERSION}"
prompt -e "REPO : ${repo_ver}\n"
prompt -i "HINT: You can google or report to us the infos above\n"
prompt -i "https://github.com/vinceliuice/WhiteSur-gtk-theme/issues\n\n"
rm -rf "${WHITESUR_TMP_DIR}"; exit 1
}
rootify() {
trap true SIGINT
prompt -w "Executing '$(echo "${@}" | cut -c -35 )...' as root"
if ! sudo "${@}"; then
error_snippet="${*}"
operation_aborted
fi
trap signal_exit SIGINT
}
userify() {
trap true SIGINT
if ! sudo -u "${MY_USERNAME}" "${@}"; then
error_snippet="${*}"
operation_aborted
fi
trap signal_exit SIGINT
}
trap 'operation_aborted' ERR
trap 'signal_exit' INT EXIT TERM
###############################################################################
# USER UTILITIES #
###############################################################################
helpify_title() {
printf "${c_cyan}%s${c_blue}%s ${c_green}%s\n\n" "Usage: " "$0" "[OPTIONS...]"
printf "${c_cyan}%s\n" "OPTIONS:"
}
helpify() {
printf " ${c_blue}%s ${c_green}%s\n ${c_magenta}%s. ${c_cyan}%s\n\n${c_default}" "${1}" "${2}" "${3}" "${4}"
}
# Check command availability
has_command() {
command -v "$1" &> /dev/null
}
has_flatpak_app() {
flatpak list --columns=application 2> /dev/null | grep "${1}" &> /dev/null || return 1
}
has_snap_app() {
snap list "${1}" &> /dev/null || return 1
}
is_my_distro() {
[[ "$(cat '/etc/os-release' | awk -F '=' '/ID/{print $2}')" =~ "${1}" ]]
}
###############################################################################
# PARAMETERS #
###############################################################################
destify() {
case "${1}" in
normal|default|standard)
echo "" ;;
*)
echo "-${1}" ;;
esac
}
parsimplify() {
case "${1}" in
--size)
echo "-s" ;;
--panel)
echo "-p" ;;
--name|-n)
# workaround for echo
echo "~-n" | cut -c 2- ;;
--dest)
echo "-d" ;;
--alt)
echo "-a" ;;
--opacity)
echo "-o" ;;
--color)
echo "-c" ;;
--icon)
echo "-i" ;;
--theme)
echo "-t" ;;
--nautilus-style)
echo "-N" ;;
--background)
echo "-b" ;;
*)
echo "${1}" ;;
esac
}
check_param() {
local global_param="$(parsimplify "${1}")"
local display_param="${2}" # used for aliases
local value="${3}"
local must_not_ambigous="${4}" # options: must, optional, not-at-all
local must_have_value="${5}" # options: must, optional, not-at-all
local value_must_found="${6}" # options: must, optional, not-at-all
local allow_all_choice="${7}" # options: true, false
local has_any_ambiguity_error="false"
local variant_found="false"
if [[ "${has_set["${global_param}"]}" == "true" ]]; then
need_dialog["${global_param}"]="true"
case "${must_not_ambigous}" in
must)
prompt -e "ERROR: Ambigous '${display_param}' option. Choose one only."; has_any_error="true" ;;
optional)
prompt -w "WARNING: Ambigous '${display_param}' option. We'll show a chooser dialog when possible" ;;
esac
fi
if [[ "${value}" == "" || "${value}" == "-"* ]]; then
need_dialog["${global_param}"]="true"
case "${must_have_value}" in
must)
prompt -e "ERROR: '${display_param}' can't be empty."; has_any_error="true" ;;
optional)
prompt -w "WARNING: '${display_param}' can't be empty. We'll show a chooser dialog when possible" ;;
esac
has_set["${global_param}"]="true"; return 1
else
if [[ "${has_set["${global_param}"]}" == "false" ]]; then
case "${global_param}" in
-a)
alts=() ;;
-o)
opacities=() ;;
-c)
colors=() ;;
-t)
themes=() ;;
esac
fi
case "${global_param}" in
-d)
if [[ "$(readlink -m "${value}")" =~ "${REPO_DIR}" ]]; then
prompt -e "'${display_param}' ERROR: Can't install in the source directory."
has_any_error="true"
elif [[ ! -w "${value}" && ! -w "$(dirname "${value}")" ]]; then
prompt -e "'${display_param}' ERROR: You have no permission to access that directory."
has_any_error="true"
else
if [[ ! -d "${value}" ]]; then
prompt -w "Destination directory does not exist. Let's make a new one..."; echo
mkdir -p "${value}"
fi
dest="${value}"
fi
remind_relative_path "${display_param}" "${value}"; variant_found="skip" ;;
-b)
if [[ "${value}" == "blank" || "${value}" == "default" ]]; then
background="${value}"
elif [[ ! -r "${value}" ]]; then
prompt -e "'${display_param}' ERROR: Image file is not found or unreadable."
has_any_error="true"
elif file "${value}" | grep -qE "image|bitmap"; then
background="${value}"
else
prompt -e "'${display_param}' ERROR: Invalid image file."
has_any_error="true"
fi
remind_relative_path "${display_param}" "${value}"; variant_found="skip" ;;
-n)
name="${value}"; variant_found="skip" ;;
-s)
for i in {0..4}; do
if [[ "${value}" == "${SIDEBAR_SIZE_VARIANTS[i]}" ]]; then
sidebar_size="${value}"; variant_found="true"; break
fi
done ;;
-p)
for i in {0..4}; do
if [[ "${value}" == "${PANEL_OPACITY_VARIANTS[i]}" ]]; then
panel_opacity="${value}"; variant_found="true"; break
fi
done ;;
-a)
[[ "${alts_set}" == "false" ]] && alts=()
if [[ "${value}" == "all" ]]; then
for i in {0..2}; do
alts+=("${ALT_VARIANTS[i]}")
done
variant_found="true"
else
for i in {0..2}; do
if [[ "${value}" == "${ALT_VARIANTS[i]}" ]]; then
alts+=("${ALT_VARIANTS[i]}"); variant_found="true"; break
fi
done
fi ;;
-o)
for i in {0..1}; do
if [[ "${value}" == "${OPACITY_VARIANTS[i]}" ]]; then
opacities+=("${OPACITY_VARIANTS[i]}"); variant_found="true"; break
fi
done ;;
-c)
for i in {0..1}; do
if [[ "${value}" == "${COLOR_VARIANTS[i]}" ]]; then
colors+=("${COLOR_VARIANTS[i]}"); variant_found="true"; break
fi
done ;;
-i)
for i in {0..8}; do
if [[ "${value}" == "${ICON_VARIANTS[i]}" ]]; then
icon="${ICON_VARIANTS[i]}"; variant_found="true"; break
fi
done ;;
-t)
if [[ "${value}" == "all" ]]; then
for i in {0..8}; do
themes+=("${THEME_VARIANTS[i]}")
done
variant_found="true"
else
for i in {0..8}; do
if [[ "${value}" == "${THEME_VARIANTS[i]}" ]]; then
themes+=("${THEME_VARIANTS[i]}")
variant_found="true"
break
fi
done
fi ;;
-N)
for i in {0..3}; do
if [[ "${value}" == "${NAUTILUS_STYLE_VARIANTS[i]}" ]]; then
nautilus_style="${NAUTILUS_STYLE_VARIANTS[i]}"; variant_found="true"; break
fi
done ;;
esac
if [[ "${variant_found}" == "false" && "${variant_found}" != "skip" ]]; then
case "${value_must_found}" in
must)
prompt -e "ERROR: Unrecognized '${display_param}' variant: '${value}'."; has_any_error="true" ;;
optional)
prompt -w "WARNING: '${display_param}' variant of '${value}' isn't recognized. We'll show a chooser dialog when possible"
need_dialog["${global_param}"]="true" ;;
esac
elif [[ "${allow_all_choice}" == "false" && "${value}" == "all" ]]; then
prompt -e "ERROR: Can't choose all '${display_param}' variants."; has_any_error="true"
fi
has_set["${global_param}"]="true"; return 0
fi
}
avoid_variant_duplicates() {
colors=($(printf "%s\n" "${colors[@]}" | sort -u))
opacities=($(printf "%s\n" "${opacities[@]}" | sort -u))
alts=($(printf "%s\n" "${alts[@]}" | sort -u))
themes=($(printf "%s\n" "${themes[@]}" | sort -u))
}
# 'finalize_argument_parsing' is in the 'systems' section
###############################################################################
# FILES #
###############################################################################
restore_file() {
if [[ -f "${1}.bak" ]]; then
case "${2}" in
rootify)
rootify rm -rf "${1}"; rootify mv "${1}"{".bak",""} ;;
userify)
userify rm -rf "${1}"; userify mv "${1}"{".bak",""} ;;
*)
rm -rf "${1}"; mv "${1}"{".bak",""} ;;
esac
fi
}
backup_file() {
if [[ -f "${1}" ]]; then
case "${2}" in
rootify)
rootify mv -n "${1}"{"",".bak"} ;;
userify)
userify mv -n "${1}"{"",".bak"} ;;
*)
mv -n "${1}"{"",".bak"} ;;
esac
fi
}
userify_file() {
if [[ -f "${1}" && "$(ls -ld "${1}" | awk '{print $3}')" != "${MY_USERNAME}" ]]; then
rootify chown "${MY_USERNAME}:" "${1}"
fi
}
check_theme_file() {
[[ -f "${1}" || -f "${1}.bak" ]]
}
remind_relative_path() {
[[ "${2}" =~ "~" ]] && prompt -w "'${1}' REMEMBER: ~/'path to somewhere' and '~/path to somewhere' are different."
}
###############################################################################
# MISC #
###############################################################################
full_rootify() {
if [[ ! -w "/" ]]; then
prompt -e "ERROR: '${1}' needs a root priviledge. Please run this '${0}' as root"
has_any_error="true"
fi
}
usage() {
prompt -e "Usage function is not implemented"; exit 1
}
finalize_argument_parsing() {
if [[ "${need_help}" == "true" ]]; then
echo; usage
[[ "${has_any_error}" == "true" ]] && exit 1 || exit 0
elif [[ "${has_any_error}" == "true" ]]; then
echo; prompt -i "Try '$0 --help' for more information."; exit 1
elif [[ "${need_dialog[@]}" =~ "true" ]]; then
echo
fi
}
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