diff options
| -rw-r--r-- | src/pm-powersave.in | 126 |
1 files changed, 120 insertions, 6 deletions
diff --git a/src/pm-powersave.in b/src/pm-powersave.in index 7399788..752a6e6 100644 --- a/src/pm-powersave.in +++ b/src/pm-powersave.in @@ -34,9 +34,16 @@ remove_powersave_lock() { help() { cat <<EOF $0: Valid options are: -false or ac = turn powersaving features off. -true or battery = turn powersaving features on. -help = get detailed help. +false or ac = Tune powersaving features for the currently selected AC profile. +true or battery = Tune powersaving features for the currently selected + battery profile. +<policyname> = Immediatly switch to the passed powersave policy, but do not + change the preferred policy for the current power state. +--help = get detailed help. +--(ac|battery)-policy <policy> or --(ac|battery)policy=<policy> + set powersave for ac or battery policy to <policy> +--(ac|battery)-policy = show the current powersave policy +--list-policies = show the available powersave policies. EOF if [ "$1" = "--help" ]; then @@ -65,10 +72,117 @@ lock_and_load() { init_logfile "${PM_LOGFILE}" } +set_policy_vars() { + current_powersave_policy="$PM_UTILS_RUNDIR/$STASHNAME/current_$1_policy" + unset powersave_polfile + powersave_policy=default + if [ -L "$current_powersave_policy" ]; then + powersave_polfile="$(readlink -f "$current_powersave_policy")" + [ -f "$powersave_polfile" ] && { + powersave_policy="${powersave_polfile##*/}" + powersave_policy="${powersave_policy%.policy}" + } + fi +} + +show_policy() { echo "$powersave_policy"; } + +find_policy() { + local pol + for pol in "$PM_UTILS_ETCDIR/$STASHNAME/$1.policy" \ + "$PM_UTILS_LIBDIR/$STASHNAME/$1.policy" ''; do + [ "$pol" -a -f "$pol" ] || continue + done + [ "$pol" ] && echo "$pol" +} + +maybe_set_policy() { + local pol + if [ "$1" = "default" ]; then + rm -f "$current_powersave_policy" + return + elif pol="$(find_policy "$1")"; then + ln -sf "$pol" "$current_powersave_policy" + return + else + echo "Could not find policy $1, aborting." + exit 1 + fi +} + +load_policy() { + local p + if [ ! "$1" ]; then + [ -L "$current_powersave_policy" ] && . "$current_powersave_policy" + return 0 + elif p="$(find_policy "$1")"; then + . "$p" + else + return 1 + fi +} + +process_policy() { + set_policy_vars "$1" + shift + case $1 in + --*=*) maybe_set_policy "${1#*=}";; + --*) if [ "$2" ]; then + maybe_set_policy "$2" + else + show_policy + fi;; + esac +} + +list_policies() { + (for pol in "$PM_UTILS_ETCDIR/$STASHNAME/"*".policy" \ + "$PM_UTILS_LIBDIR/$STASHNAME/"*".policy"; do + [ -f "$pol" ] || continue + pol="${pol##*/}" + pol="${pol%.policy}" + echo "$pol" + done; echo default;) |sort |uniq +} + +do_battery() { + lock_and_load + set_policy_vars battery + load_policy + run_hooks power true +} + +do_ac() { + lock_and_load + set_policy_vars ac + if [ "$powersave_policy" != "default" ]; then + load_policy + run_hooks power true + else + run_hooks power false + fi +} + case $1 in - true|battery) lock_and_load && run_hooks power true;; - false|ac) lock_and_load && run_hooks power false;; + true|battery) do_battery;; + false|ac) do_ac;; --help) help && run_hooks power help;; - '') lock_and_load; on_ac_power && run_hooks power false || run_hooks power true;; + --ac-policy*) process_policy ac "$@";; + --batt-policy*) process_policy battery "$@";; + --list-policies) list_policies;; + default) lock_and_load + if on_ac_power; then + run_hooks power false + else + run_hooks power true + fi;; + '') if load_policy "$1"; then + lock_and_load + run_hooks power true + elif on_ac_power; then + do_ac + else + do_battery + fi;; *) help && exit 1;; esac |