diff --git a/astronaut/astronaut b/astronaut/astronaut
index 09772da..2a1abf7 100755
--- a/astronaut/astronaut
+++ b/astronaut/astronaut
@@ -9,7 +9,8 @@ dir_prefix="$dir_sysroot/usr"  # Prefix directory (Should always contain $dir_sy
 cmd_download="curl -# -L -o {dst} {src}"  # Command to execute to download files
 cmd_extract="tar -x -C {dst} -f {src}"  # Command to execute to extract files
 enable_check=true  # Run the test suite of packages
-unset dir_satellites  # Directory where the satellite files are placed.
+unset _dir_satellites  # Directory where the satellite files are placed.
+unset _options
 [ -f /etc/astronaut.conf ] && . /etc/astronaut.conf
 [ -f "$HOME/.astronaut.conf" ] && . "$HOME/.astronaut.conf"
 
@@ -23,7 +24,7 @@ vcs_compile=false
 _show_help() {
 echo "This astronaut will help you build some satellites.
 Just describe what he's got to do in a satellite file.
-Usage: $0 [-sbip <dir>] [-IcCd] <satellite>
+Usage: $0 [-sbip <dir>] [-IcCd] [-o <options>] <satellite>
 
 -h/? Show this message
 -b   Set build directory [WARNING: Will be deleted before build]
@@ -34,7 +35,8 @@ Usage: $0 [-sbip <dir>] [-IcCd] <satellite>
 -I   Nuke install directory before build
 -c/C Enable/Disable package checking
 -d   Only download package files
--v   Only build vcs package if any updates have been made to it"
+-v   Only build vcs package if any updates have been made to it
+-o   Set package options (comma-separated)"
 }
 
 _msg() {
@@ -47,7 +49,7 @@ _exiterr() {
 }
 
 # Gather info
-while getopts "h?s:b:i:p:IcCdv" opt; do
+while getopts "h?s:b:i:p:IcCdvo:" opt; do
     case "$opt" in
         h|\?)
             _show_help
@@ -83,6 +85,9 @@ while getopts "h?s:b:i:p:IcCdv" opt; do
         v)
             _vcs_only=true
             ;;
+        o)
+            _options="$_options "$(printf "$OPTARG" | sed -e 's/,/ /g')""
+            ;;
     esac
 done
 
@@ -148,13 +153,42 @@ dlfile() {
 
 do_check() {
     if [ "$1" ]; then
-        [ "$enable_check" = true ] && $@
+        [ "$enable_check" = true ] && eval $@ || true
     else
-        [ "$enable_check" = true ]
-        return $?
+        return $([ "$enable_check" = true ])
     fi
 }
 
+option() {
+    local check=$1
+    shift
+
+    local negate=false
+    case "$check" in
+        !*)
+            local negate=true
+            local check="$(printf "$check" | cut -c 2-)"
+            ;;
+    esac
+
+    local enabled=false
+    local option
+    for option in $_options; do
+        if [ "$option" = "$check" ]; then
+            local enabled=true
+            break
+        fi
+    done
+
+    if [ "$negate" = true ]; then
+        # Shitty way to do a simple "NOT" operation (come on, it's just one operation on most cpus).
+        [ "$enabled" = true ] && local enabled=false || local enabled=true
+    fi
+
+    local enable_check=$enabled
+    do_check $@  # Reuse the code from do_check
+}
+
 import() {
     . "$(dirname "$_satellite")/functions/$1.sh"
 }
@@ -183,8 +217,8 @@ _satname="$(basename "$_satellite" .sat)"
 
 # Try to find the satellite file if it can't be found.
 if [ ! -f "$_satellite" ]; then
-    if [ -d "$dir_satellites" ]; then
-        file="$(find "$dir_satellites" -type f \( -name "$_satname.sat" -o -name "$_satname" \) -print -quit)"
+    if [ -d "$_dir_satellites" ]; then
+        file="$(find "$_dir_satellites" -type f \( -name "$_satname.sat" -o -name "$_satname" \) -print -quit)"
         if [ -f "$file" ]; then
             _satellite="$(realpath "$file")"
             _satname="$(basename "$_satellite" .sat)"
diff --git a/astronaut/hello.sat b/astronaut/hello.sat
index da71f06..7ea9827 100644
--- a/astronaut/hello.sat
+++ b/astronaut/hello.sat
@@ -87,6 +87,14 @@ fi
 make DESTDIR="$dir_install" install
 rm "$dir_install/$dir_prefix/share/info/dir"  # This file collides with some other packages.
 
+# Check if an option is enabled
+if option test; then
+    echo "Test option enabled"
+fi
+# Abbreviation of the above
+#option !test echo "Test option disabled"
+# You can use bangs ("!") to negate the operation.
+
 # Call the function we imported. For more info see the top of the file, and functions/say_hello.sh
 say_hello