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steamify-cachyos/lib/common.sh
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#!/bin/bash
# Output helpers, prompts and small shared utilities.
# Sourced by steamify.sh; not meant to be run on its own.
# NO_COLOR (https://no-color.org): plain output, e.g. for a log file.
if [[ -n "${NO_COLOR:-}" ]]; then
c_reset=""; c_bold=""; c_green=""; c_yellow=""; c_red=""; c_cyan=""; c_dim=""
else
c_reset="\033[0m"; c_bold="\033[1m"; c_green="\033[32m"; c_yellow="\033[33m"; c_red="\033[31m"; c_cyan="\033[36m"; c_dim="\033[2m"
fi
info() { echo -e "${c_cyan}[INFO]${c_reset} $*"; }
ok() { echo -e "${c_green}[OK]${c_reset} $*"; }
# patch_file <name>: a file from patches/ (module sources, patches). The
# single-file build replaces this with one that has them embedded.
patch_file() { cat "$SCRIPT_DIR/patches/$1"; }
# service_file <name> [KEY=value...]: a systemd unit from services/, filled
# in. The single-file build replaces service_raw like patch_file.
service_raw() { cat "$SCRIPT_DIR/services/$1"; }
service_file() { local name="$1"; shift; service_raw "$name" | fill "$@"; }
# fill [KEY=value...]: stdin with each @KEY@ replaced by its value, taken
# literally (a home folder may contain sed's "&", "\" or "|").
fill() {
local kv v
local -a subst=(-e '')
for kv in "$@"; do
v="${kv#*=}"; v="${v//\\/\\\\}"; v="${v//&/\\&}"; v="${v//|/\\|}"
subst+=(-e "s|@${kv%%=*}@|$v|g")
done
sed "${subst[@]}"
}
warn() { echo -e "${c_yellow}[WARN]${c_reset} $*"; }
err() { echo -e "${c_red}[ERROR] $*${c_reset}" >&2; }
ask_yn() {
local prompt="$1" default="${2:-y}" reply
local hint="[Y/n]"; [[ "$default" == "n" ]] && hint="[y/N]"
read -rp "$(echo -e "${c_bold}${prompt}${c_reset} ${hint} ")" reply
reply="${reply:-$default}"
[[ "$reply" =~ ^[Yy]$ ]]
}
require_root_helper() {
# Re-exec any privileged step through sudo rather than requiring the
# whole script to run as root, so $HOME/whoami stay correct for the
# target user detection below.
if [[ $EUID -eq 0 && -z "${SUDO_USER:-}" ]]; then
err "Please run this script as your normal user (it will call sudo itself), not directly as root."
exit 1
fi
}
user_session() {
# A running user systemd and session bus. Not in the installer's chroot,
# where the ISO applies Steamify for a user who has never logged in.
[[ -S "${XDG_RUNTIME_DIR:-/nonexistent}/bus" ]]
}
user_systemctl() {
# systemctl --user, also without a session: then only the unit files
# change (enable/disable through --root); starting and stopping is left
# to the first login, which starts what's enabled anyway.
if user_session; then systemctl --user "$@"; return; fi
local a verb="" args=()
for a in "$@"; do
[[ "$a" == --now ]] && continue
[[ -z "$verb" && "$a" != -* ]] && verb="$a"
args+=("$a")
done
case "$verb" in
enable|disable|is-enabled|mask|unmask) systemctl --user --root=/ "${args[@]}" ;;
is-active) return 1 ;;
*) return 0 ;;
esac
}
plasma_applets() {
# Print "containment:applet" for every applet of plugin $1 in the
# user's Plasma layout, for kwriteconfig6 --group paths.
local conf="$HOME/.config/plasma-org.kde.plasma.desktop-appletsrc"
[[ -f "$conf" ]] || return 0
awk -v plugin="$1" '
/^\[Containments\]\[[0-9]+\]\[Applets\]\[[0-9]+\]$/ { split($0, p, /[][]+/); sect = p[3] ":" p[5] }
/^\[/ && !/\]\[Applets\]\[[0-9]+\]$/ { sect = "" }
$0 == "plugin=" plugin && sect != "" { print sect }
' "$conf"
}
backup_file() {
local f="$1"
if [[ -f "$f" && ! -f "${f}.bak-gamescope-wizard" ]]; then
sudo cp -a "$f" "${f}.bak-gamescope-wizard"
info "Backed up $f -> ${f}.bak-gamescope-wizard"
fi
}
# plasmashell keeps its config in memory and writes it back on exit, so
# edits to its files (panels, applets, wallpaper) must be made while it is
# stopped. It is restarted through systemd so it keeps the session's
# environment (platform theme etc.); a plain --replace from this shell
# may not, which gives a light-themed desktop.
stop_plasmashell_for_edit() {
PLASMASHELL_WAS_RUNNING=false
if pgrep -u "$USER" -x plasmashell >/dev/null; then
PLASMASHELL_WAS_RUNNING=true
systemctl --user stop plasma-plasmashell.service 2>/dev/null
pkill -u "$USER" -x plasmashell && sleep 2
fi
}
restart_plasmashell_if_stopped() {
if [[ "${PLASMASHELL_WAS_RUNNING:-false}" == true ]]; then
rm -rf ~/.cache/plasmashell* ~/.cache/org.kde.dirmodel-qml.kcache
systemctl --user start plasma-plasmashell.service 2>/dev/null ||
{ setsid plasmashell >/dev/null 2>&1 & }
fi
}