fetcher.sh

#!/bin/sh

print() {
	fields=""
	[ "$NAME" ]        && fields="$fields distro:$NAME $ver"
	[ "$kernel" ]      && fields="$fields kernel:$kernel"
	[ "$term" ]        && fields="$fields terminal:$term"
	[ "$EDITOR" ]      && fields="$fields editor:${EDITOR##*/}"
	[ "$SHELL" ]       && fields="$fields shell:${SHELL##*/}"
	[ "$wm" ]          && fields="$fields de_wm:$wm"
	[ "$bar" ]         && fields="$fields bar:$bar"
	[ "$resolution" ]  && fields="$fields resolution:$resolution"
	[ "$displayprot" ] && fields="$fields display_protocol:$displayprot"
	[ "$theme" ]       && fields="$fields gtk3_theme:$theme"
	[ "$icons" ]       && fields="$fields gtk_icon_theme:$icons"
	[ "$cpu" ]         && fields="$fields cpu:$cpu"
	[ "$gpu" ]         && fields="$fields gpu:$gpu"
	[ "$ram" ]         && fields="$fields memory:$ram"

	cat <<EOF
Please run the following command to set your fetch data!

You can always use /setfetch update to manually update any of these values
or to add an image to your fetch, be it your screenshot or wallpaper.

/setfetch update$fields
EOF
}

kernel=$(uname -s)
case $kernel in
Linux)
	# get distro
	if [ -f /bedrock/etc/os-release ]; then
		. /bedrock/etc/os-release
	elif [ -f /etc/os-release ]; then
		. /etc/os-release
	elif [ -f /etc/lsb-release ]; then
		. /etc/lsb-release
		NAME=$DISTRIB_ID
	fi

	# get kernel variant
	variant=$(uname -r | grep -o '[a-z]*' | head -n1)
	## vanilla sounds better than generic -- also handle empty.
	[ "$variant" = generic ] || [ ! "$variant" ] && variant=vanilla
	kernel="$kernel ($variant)"

	# get display protocol
	[ "$DISPLAY" ] && displayprot="x11"
	[ "$WAYLAND_DISPLAY" ] && displayprot="wayland"
	# fallback to tty if none is detected
	[ ! "$displayprot" ] && displayprot="tty"
	# get gtk theme
	while read -r line; do
		case $line in
			gtk-theme*) theme=${line##*=};;
			gtk-icon-theme*) icons=${line##*=};;
		esac
	done <"${XDG_CONFIG_HOME:=$HOME/.config}/gtk-3.0/settings.ini"
	# WMs/DEs
	# usually set by GUI display managers and DEs
	wm="${XDG_CURRENT_DESKTOP#*:}"  # ex: ubuntu:GNOME
	[ "$wm" ] || wm="$DESKTOP_SESSION"

	# for most WMs
	[ ! "$wm" ] && [ "$DISPLAY" ] && command -v xprop >/dev/null && {
		id=$(xprop -root -notype _NET_SUPPORTING_WM_CHECK)
		id=${id##* }
		wm=$(xprop -id "$id" -notype -len 100 -f _NET_WM_NAME 8t |
			grep '^_NET_WM_NAME' | cut -d\" -f 2)
	}

	# for non-EWMH WMs
	[ ! "$wm" ] || [ "$wm" = "LG3D" ] &&
		wm=$(ps -e | grep -m 1 -o \
			-e "sway" \
			-e "kiwmi" \
			-e "wayfire" \
			-e "sowm" \
			-e "catwm" \
			-e "fvwm" \
			-e "dwm" \
			-e "2bwm" \
			-e "monsterwm" \
			-e "tinywm" \
			-e "xmonad")

	# get gtk theme
	case $wm in
	*GNOME*)
		theme=$(dconf read /org/gnome/desktop/interface/gtk-theme  | tr -d "'")
		icons=$(dconf read /org/gnome/desktop/interface/icon-theme | tr -d "'")
	;;
	*)
		while read -r line; do
			case $line in
				gtk-theme*) theme=${line##*=};;
				gtk-icon-theme*) icons=${line##*=};;
			esac
		done <"$XDG_CONFIG_HOME/gtk-3.0/settings.ini"
	;;
	esac

	# hardware
	while read -r a b _ model; do
		case "$a $b" in
		"model name")
			cpu=$model
			break;;
		esac
	done </proc/cpuinfo

	read -r _ ram </proc/meminfo

	# GPU
	# other option was 'lspci | grep | grep | tr | grep | sed' then
	# if that failed 'lspci | grep | grep | sed' (for iGPUs)
	command -v lspci >/dev/null && {
		gpu=$(lspci -mm | grep -i 'vga\|display')
		gpu=${gpu##*Corporation\"}
		gpu=${gpu#*\[AMD/ATI\]}
		gpu=${gpu%%\]*}
		gpu=${gpu##*\[}
		gpu=${gpu#*\"}
		set -- "${gpu%%\"*}"
		case $* in
			*/*Mobile*) gpu="$1 $2 Mobile";;
			*/*) gpu="$1 $2";;
			*) gpu="$*";;
		esac
	}

	# Terminal, list running processes and check for common terms
	term=$(ps -e | grep -m 1 -o \
		-e " alacritty$" \
		-e " gnome-terminal$" \
		-e " kitty$" \
		-e " xterm$" \
		-e " u*rxvt[dc]*$" \
		-e " [a-z0-9-]*terminal$" \
		-e " cool-retro-term$" \
		-e " konsole$" \
		-e " termite$" \
		-e " tilix$" \
		-e " sakura$" \
		-e " terminator$" \
		-e " termonad$" \
		-e " x*st$" \
		-e " tilda$" \
		-e " wezterm-gui$")
	# remove leading space
	term=${term# }
	# if unset, falback to $TERM_PROGRAM 
	term=${term:-$TERM_PROGRAM}
	term=${term:-$TERM}
	# Screen resolution
	unset i resolution
	command -v xrandr >/dev/null && {
		for i in $(xrandr --current | grep ' connected' | grep -o '[0-9]\+x[0-9]\+'); do
			resolution="$resolution$i, "
		done
		resolution=${resolution%, }
	}

	# bar
	bar=$(ps -e | grep -m 1 -o \
		-e " i3bar$" \
		-e " dzen2$" \
		-e " tint2$" \
		-e " xmobar$" \
		-e " swaybar$" \
		-e " polybar$" \
		-e " lemonbar$" \
		-e " taffybar$")

	bar=${bar# }

	print;;
Darwin)
	NAME="macOS"

	# get MacOS version
	ver=$(
		defaults read /System/Library/CoreServices/SystemVersion.plist \
			ProductUserVisibleVersion
	)

	# get WM
	wm="$(ps -e | grep -o \
		-e "[S]pectacle" \
		-e "[A]methyst" \
		-e "[k]wm" \
		-e "[c]hun[k]wm" \
		-e "[y]abai" \
		-e "[R]ectangle" | head -n1)"

	# if the current WM isn't on this list, assume default DE
	wm="${wm:-Aqua}"

	# hardware
	cpu="$(sysctl -n machdep.cpu.brand_string)"
	ram="$(sysctl -n hw.memsize)"

	case $TERM_PROGRAM in
		"Terminal.app" | "Apple_Terminal") term="Apple Terminal";;
		"iTerm.app") term="iTerm2";;
		*) term="${TERM_PROGRAM%.app}";;
	esac

	print;;
*) echo "Unsupported OS; please add support on https://github.com/unixporn/robbb";;
esac