firestart


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#!/bin/sh

die() { printf "%s: Error: %s\n" "$0" "$*" >&2; exit 1; }

CMD=firefox
UNIT=$CMD
DIR=~/.mozilla
MEMORY_MAX=50%
READ_OPS=1G
WRITE_OPS=$READ_OPS
CONFDIR=$HOME/.config/firestart/conf

if [ -e "$CONFDIR" ]
then
    . "$CONFDIR"
fi

if systemctl --user is-active "$UNIT" >/dev/null
then
    exec "$CMD" "$@" # Asks existing firefox to open a new window.
    exit
fi

[ -e "$DIR" ] || die "does not exist: $DIR"
[ -d "$DIR" ] || die "not a directory: $DIR"

DEV=$(echo $(findmnt --target "$DIR" -o MAJ:MIN -n))
[ "$DEV" ] || die "could not determine backing device for $DIR"

ioslay-mgr.sh launch-unit

systemctl --user reset-failed "$UNIT" 2>/dev/null
systemd-run --user \
            --unit "$UNIT" \
            --setenv DISPLAY="$DISPLAY" \
            --setenv XAUTHORITY="$XAUTHORITY" \
            --property MemoryMax="$MEMORY_MAX" \
            --property IOReadIOPSMax="$DEV $READ_OPS" \
            --property IOWriteIOPSMax="$DEV $WRITE_OPS" \
            --property Restart="on-failure" \
            -- \
            "$CMD" "$@"