#   This program is free software: you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation, either version 3 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# problems with fork optimization in subshells in bash-5.2

: ${TMPDIR:=/tmp}
TDIR=$TMPDIR/delta-$$
mkdir "$TDIR" || exit 2

CMD='env true && env ls -1 "$TDIR"'

trap 'rm -rf "$TDIR"' EXIT

cd "$TDIR" &&
{
	touch archive install test; 
	echo "$CMD" > s
	echo '( echo "1 start" ; . "$TDIR/sub2"  ; echo "1 done" ; exit 42 )' >sub1
	echo 'echo "2 start" && env echo sub3' >sub2
} &&
cd "$OLDPWD"

[ -f "$TDIR"/s ] || exit 2

d2()
{
	eval "$1" ; return 78
}

d1()
{
	cmd="$1"

	( env true && env ls -1 "$TDIR";
exit 68 )
	echo $?
	( . $TDIR/s ; exit 44 )
	echo $?
	( eval "$cmd" ; exit 86 )
	echo $?
	return 43
}

dfunc()
{
	local x="$CMD"

	d1 "$x" || return 2
	echo oops: after
}

${THIS_SH} -c '(. <(echo ": && env echo Darwin"); echo x)'

( dfunc xxx )
echo $?
v=$(d2 "$CMD")
echo $?

. $TDIR/sub1
echo $?

exit 0