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|
#!/bin/bash
PS4=$'+ L\t$LINENO:\t'
case $- in
*i* )
;;
*x* )
exec bash --init-file "$0" -i -x -s "$@"
;;
* )
exec bash --init-file "$0" -i -s "$@"
;;
esac
set -mx
source ./src/finally.bash
burld_read()
{
while r=0; POSIXLY_CORRECT=y read -N1 -p '[hullo? burld?]> ' || r=$?
do
if (( r > 128 ))
then
sleep .25
continue
elif [[ -n $REPLY ]]
then
echo "Burly ${REPLY:-Burld!}"
return 0
else
echo "read returned $r" >&2
return $r
fi
done
return 1
}
quiet_fg()
{
fg "$1" >/dev/null
}
quiet_bg()
{
local STDERR
{
eval "$(printf '%q ' "$@") 2>&$STDERR $STDERR>&- &"
} {STDERR}>&2 2>/dev/null
}
ring0()
{
PS1="Burly ${SIGNAL:=bee}\\\$ "
}
lifetime()
{
[[ $$ != $BASHPID ]] && trap 'exit 0' INT
sleep "$1" &
if wait -f $!
then
kill "${@:2}" 2>/dev/null
true
else
return $?
fi
}
h()
{
quiet_bg sleep 5
jobs -x quiet_bg lifetime 3 -INT %%
finally 'ring0' \
quiet_fg %sleep
}
# Does this work?
g()
{
# lifetime 1 -INT $$ &
{ burld_read; kill -INT $$; : reached ; } &
lifetime 3 -STOP $! &
PROMPT_COMMAND='pcmd fg'
fg
}
# Does this work?
g()
{
# lifetime 1 $$ &
{ burld_read; kill -INT $$; : reached ; } &
lifetime 3 -INT $$ & disown
finally 'fg' eval 'sleep 3m & wait -f $!'
}
gn()
{
{ burld_read; kill -INT $$; : reached ; } &
lifetime 3 -TSTP $! & disown
finally 'fg' fg
}
gp()
{
{ burld_read; kill -INT $$; : reached ; } &
trap "finally fg :" SIGINT
lifetime 3 -INT $$ & disown
# finally 'fg' fg
}
# Interrupting read that works
f()
{
quiet_bg burld_read
jobs -x quiet_bg lifetime 3 -INT %%
finally 'ring0' \
quiet_fg %burld_read
}
pcmd()
{
if [ "$PROMPT_COMMAND" ]
then
PROMPT_COMMAND=
"$@"
else
PROMPT_COMMAND="pcmd ${*@Q}"
fi
}
ff()
{
quiet_bg burld_read
jobs -x quiet_bg lifetime 3 -INT %%
pcmd ring0
quiet_fg %burld_read
}
ring0gg()
{
kill -INT "$1" 2>/dev/null
PS1="Burly ${SIGNAL:=bee}\\\$ "
}
gg()
{
quiet_bg burld_read
jobs -x quiet_bg lifetime 3 -INT %%
finally "ring0gg $!" \
quiet_fg %burld_read
}
DEBUG=y
trap 'SIGNAL=INT; : SIGINT' INT
PS1="[type 'f']\\\$ "
case "$1" in
'' ) ;;
ff )
"$1"
;;
* )
"$1"
;;
esac
|
