msys2 launcher

.ps

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PS C:\Users\ormaaj> Start-Process -Wait -NoNewWindow -Environment ([Environment]::GetEnvironmentVariables() + @{ MSYSTEM = 'UCRT64'; MSYS2_NOSTART = 'yes'; LOGINSHELL = 'bash'; TERM = 'xterm-direct' }) -FilePath 'C:\msys64\usr\bin\env.exe' -ArgumentList ([string[]]@('-S-- BASH_COMPAT=51 /c/Users/ormaaj/startdbus.bash /ucrt64/bin/konsole.exe'))
+ m /ucrt64/bin/konsole.exe
+ local -
+ [[ m != \m\a\i\n ]]
+ set +m
+ typeset -x BASH_COMPAT=51
+ m
+ local -
+ [[ m != \m ]]
+ set +x
+ cmd=('/ucrt64/bin/konsole.exe')
+ typeset -a cmd
+ typeset -A dbus
+ typeset x
+ for x in system session
+ startdbus dbus system
+ local -
+ set -x +m
+ typeset x d
+ eval typeset -n 'ref3_1=$1' 'r1=ref${#FUNCNAME[@]}_1'
++ typeset -n ref3_1=dbus r1=ref3_1
+ command shift
+ [[ A == *A* ]]
+ [[ -v DBUS_SYSTEM_BUS_PID ]]
+ case $1 in
+ x=1
+ let '!x'
+ rm -fv -- '/run/dbus/*' /run/dbus.pid
+ x=system
++ type -ta setpgid
+ [[ file
file == builtin* ]]
+ enable -- setpgid
++ false setpgid 0 0
++ setsid dbus-daemon --system --address unix:abstract=346005857 --print-address 9 --nofork --syslog-only
+ d=
+ return 1
+ set --
+ set --
+ continue
+ for x in system session
+ startdbus dbus session
+ local -
+ set -x +m
+ typeset x d
+ eval typeset -n 'ref3_1=$1' 'r1=ref${#FUNCNAME[@]}_1'
++ typeset -n ref3_1=dbus r1=ref3_1
+ command shift
+ [[ A == *A* ]]
+ [[ -v DBUS_SYSTEM_BUS_PID ]]
+ case $1 in
+ x=session
++ type -ta setpgid
+ [[ file
file == builtin* ]]
+ enable -- setpgid
++ false setpgid 0 0
++ setsid dbus-daemon --session --address unix:abstract=3141803481 --print-address 9 --nofork --syslog-only
+ d=
+ return 1
+ set --
+ set --
+ continue
+ exec env --ignore-signal=HUP -- /ucrt64/bin/konsole.exe

startdbus.bash

#!/usr/bin/env -S-- BASH_COMPAT=51 /usr/bin/bash.exe -lp
shopt -s lastpipe extglob expand_aliases
shopt -u sourcepath

function unset2 {
	command unset "$@"
}

function startdbus {
	local -; set -x +m
	typeset x d
	eval typeset -n "ref${#FUNCNAME[@]}_1=\$1" 'r1=ref${#FUNCNAME[@]}_1' ||
		return

	command shift

	[[ ${r1@a} == *A* ]] ||
		return

	[[ -v DBUS_SYSTEM_BUS_PID ]] &&
		kill -0 -- "$DBUS_SYSTEM_BUS_PID" 2>/dev/null

	case $1 in
		system)
			if x=$? let !x; then
				kill -- "$DBUS_SYSTEM_BUS_PID"
				unset -v DBUS_SYSTEM_BUS_PID
			fi
			rm -fv -- /run/dbus{/*,.pid} ;&
		session|'')
			x=${1:-session} ;;
		*)  false
	esac || return

	[[ $(type -ta setpgid) == builtin* ]] ||
		enable -- setpgid 2>/dev/null

	d=$(< <(${PPID[!$?]+'false'} setpgid 0 0; ${PPID[!$?]+'setsid'} dbus-daemon "--${x}" --address "unix:abstract=${SRANDOM}" --print-address 9 --nofork --syslog-only 9<&1 <>/dev/null 1<&0 2<&0))
	${d:+\:} return 1
	IFS= _=${BASH_VERSINFO[*]:0:2} let '_ >= 53'
	r1+=(
		[pid]=$!
		[address]=${d}${PPID[$?]+${| unset2 -v x d; }}
	)
}

function m {
	local -
	if [[ ${FUNCNAME[0]} != "${FUNCNAME[1]}" ]]; then
		set +m
		typeset -x BASH_COMPAT=51
		m
	else
		set +x
		source /etc/profile
		return
	fi
	typeset -a cmd=("$@")
	typeset -A dbus
	typeset x
	for x in system session; do
		startdbus dbus "$x" || continue
		set -- "${!dbus[@]}"
		set -- "${@@U}"
		eval typeset -x -- "${@/*/DBUS_${x@U}_BUS_&=\${dbus[\${&@L\}]\}}"
	done
	exec env --ignore-signal=HUP -- "${cmd[@]}" <>/dev/null 1<&0 2<&0
}

set -x
m "$@"

# vim: set ft=bash fenc=utf-8 ff=unix ts=4 noet :