fix: small optimizations

bin/dkprune

@@ -1,8 +1,5 @@
 #!/bin/bash
 
-#TODO: group flags into one command
-# like -I == $i -a
-
 function usage() {
     cat << EOF
 Usage: $0 [-hcCviIna]
@@ -41,9 +38,9 @@ c=1
 C=2
 v=4
 i=8
-I=16
+# I=16
 n=32
-a="$((c + C + v + I + n))"
+# a="$((c + C + v + I + n))"
 
 CLEAN=0
 while getopts hcCviIna o; do
@@ -64,13 +61,15 @@ while getopts hcCviIna o; do
             CLEAN="$(add_opt "$CLEAN" "$i")"
             ;;
         I)
-            CLEAN="$(add_opt "$CLEAN" "$I")"
+            CLEAN="$(add_opt "$CLEAN" "$i")"
+            IMG_OPT="-a"
             ;;
         n)
             CLEAN="$(add_opt "$CLEAN" "$n")"
             ;;
         a)
-            CLEAN="$(add_opt "$CLEAN" "$c" "$C" "$v" "$I" "$n")"
+            CLEAN="$(add_opt "$CLEAN" "$c" "$C" "$v" "$i" "$n")"
+            IMG_OPT="-a"
             ;;
         *)
             exit 1
@@ -83,42 +82,32 @@ if [ "$CLEAN" == 0 ]; then
 fi
 
 VALUES=(
-    "$a"
+    "$((c + i + v + n))"
     "$((c + i + n))"
-    "$((c + I + n))"
-    "$((c + v + n))"
     "$c"
     "$v"
     "$i"
-    "$I"
     "$n"
 )
 
-SYS="docker system"
-CON="docker container"
-VOL="docker volume"
-IMG="docker image"
-NET="docker network"
+CON="container"
 PRUNE="prune -f"
 COMMANDS=(
-    "$SYS $PRUNE -a --volumes"
-    "$SYS $PRUNE"
-    "$SYS $PRUNE -a"
-    "$SYS $PRUNE --volumes"
-    "$CON $PRUNE"
-    "$VOL $PRUNE"
-    "$IMG $PRUNE"
-    "$IMG $PRUNE -a"
-    "$NET $PRUNE"
+    "docker system  $PRUNE $IMG_OPT --volumes"
+    "docker system  $PRUNE $IMG_OPT"
+    "docker $CON    $PRUNE"
+    "docker volume  $PRUNE"
+    "docker image   $PRUNE $IMG_OPT"
+    "docker network $PRUNE"
 )
 
 if [ "$((CLEAN & "$C"))" == "$C" ]; then
-    $CON ls -aq | xargs $CON stop
+    docker "$CON" ls -aq | xargs docker "$CON" stop 2> /dev/null
 fi
 
-
 for idx in "${!VALUES[@]}"; do
     mask="${VALUES[$idx]}"
+
     if [ "$((CLEAN & mask))" == "$mask" ]; then
         bash -c "${COMMANDS[$idx]}"
         CLEAN="$((CLEAN - mask))"