+inttrap() {
+ pid=$1
+ # just passing on -INT doesnt work.
+ kill -TERM $pid
+ sleep .05
+ if [[ ! -e /proc/$pid ]]; then
+ if [[ $old_int_trap ]]; then
+ $old_int_trap
+ else
+ trap INT
+ fi
+ fi
+}
+
+_jrun() { # journal run. run args, log to journal, tail and grep the journal.
+ # Redirect all commands which might have stderr to stdout because of
+ # wrapping.
+ local pid pattern jr_pid sedscript cmd_name ended
+ ret=0
+ case $1 in
+ -p)
+ pattern="$2|"
+ shift 2
+ ;;
+ esac
+ cmd_name=${1##*/}
+ systemd-cat -t "$cmd_name" "$@" 2>&1 &
+ pid=$!
+ old_int_trap="$(trap -p INT)"
+ # Note, just passing along INT wont actually stop it.
+ # Oddly, the log says ERROR: /script.sh returned 130
+ # but it continues on.
+ trap "inttrap $pid" INT
+ sedscript="/$pattern$cmd_name/p;/^.{16}[^ ]+ $cmd_name\[$pid]: ([^ ]*\/)?$cmd_name: exiting with status [0-9]+\$/q"
+ # debug:
+ #echo "sedscript: sed -nr '$sedscript'"
+ journalctl -S "4 seconds ago" -f |& sed -nr "$sedscript" 2>&1 &
+ jr_pid=$!
+ wait $pid 2>&1 || ret=$?
+ if (( $ret )); then
+ echo "$0: ERROR: $* returned $ret"
+ fi
+ ended=false
+ # give it 4 seconds to find the end of the log
+ for (( i=0; i<80; i++ )); do
+ if [[ -e /proc/$jr_pid ]]; then
+ sleep .05 2>&1
+ else
+ ended=true
+ break
+ fi
+ done
+ if ! $ended; then
+ kill $jr_pid 2>&1
+ fi
+ if [[ $old_int_trap ]]; then
+ $old_int_trap
+ else
+ trap INT
+ fi
+ return 0
+}
+jrun() {
+ # ditching stderr avoids the jobs status change output.
+ _jrun "$@" 2>/dev/null