diff --git a/lazy.sh b/lazy.sh
index 0663633..0c74e2d 100755
--- a/lazy.sh
+++ b/lazy.sh
@@ -22,13 +22,36 @@ find_fail() {
 	exit 1
 }
 
-i= u= l= f= o=
+continue_interactive() {
+	read -p "Do you wish to proceed?: " yn
+	case $yn in
+		[Yy]* ) break;;
+		[Nn]* ) exit;;
+		* ) exit;;
+	esac
+}
+
+already_exists() {
+	echo "Package already installed"
+	echo "pass -u and -i to upgrade"
+	exit 1
+}
+
+dep_not_found() {
+	echo "Missing dep: $1"
+	exit 1
+}
+
+i= u= l= f= o= d= iu=
 
 case "$1" in
 	-i) i=1;;
 	-u) u=1;;
 	-l) l=1;;
 	-f) f=1;;
+	-d) d=1;;
+	-iu) iu=1;;
+	-ui) iu=1;;
 	*) usage "bad argument $i";;
 esac
 shift
@@ -44,17 +67,92 @@ do
     shift
 done
 
-if [ "$i" = "1" ]; then
-	echo "Installing $1"
-	mkdir -p /tmp/lazybox/$1 || exit 1
-	tar -xf $1 -C /tmp/lazybox/$1 || tar_fail
-	stat /tmp/lazybox/$1/usr/share/lazypkg/ >/dev/null || stat_fail
+if [ "$d" = "1" ]; then
+	stat /usr/share/lazypkg/$1 > /dev/null 2> /dev/null || find_fail
+	grep deps /usr/share/lazypkg/$1 | tr '=' '\n' | grep -v deps | tr ':' '\n'
+
+elif [ "$iu" = "1" ]; then
+	# Setup names
+	bname_we=$(basename "$1")
+	bname=$(echo "$bname_we" |  cut -f 1 -d '.')
+
+	# locate installed package
+	stat /usr/share/lazypkg/$bname > /dev/null 2> /dev/null || find_fail
+
+	echo "Upgrading $bname_we"
+	continue_interactive
+
+	# Extract new package and verify
+	mkdir -p /tmp/lazybox/$bname_we || exit 1
+	tar -xf $1 -C /tmp/lazybox/$bname_we || tar_fail
+	stat /tmp/lazybox/$bname_we/usr/share/lazypkg/$bname >/dev/null || stat_fail
+
+	# Check deps
+	deps=$(grep deps /tmp/lazybox/$bname_we/usr/share/lazypkg/$bname | tr '=' '\n' | grep -v deps | tr ':' '\n')
+	for dep in $deps; do
+		stat /usr/share/lazypkg/$dep > /dev/null 2> /dev/null || dep_not_found $dep
+    	done
+
+	# Grab a list of old files and new files to install
+	OFILES=$(sed -n '/\[fs\]/,$p' /usr/share/lazypkg/$bname |
+		grep -v "\[fs\]" | awk '{print length, $0}' | sort -rn | cut -d " " -f2-)
+	NFILES=$(sed -n '/\[fs\]/,$p' /tmp/lazybox/$bname_we/usr/share/lazypkg/$bname |
+		grep -v "\[fs\]" | awk '{print length, $0}' | sort -rn | cut -d " " -f2-)
+
+	# Extract tar
 	tar -xf $1 -C /
-	rm -r /tmp/lazybox/$1
+	rm -r /tmp/lazybox/$bname_we
+
+
+	# Remove old files (don't know if this works yet)
+	for file in $OFILES; do
+		if echo $NFILES | grep -q $file; then
+			echo "not removing $file"
+		else
+    			echo "attempting to remove $file"
+    			case $(stat -c "%F" /$file) in
+        			directory) rmdir 2>/dev/null /$file;;
+        			"regular file") rm /$file;;
+        			*) break;;
+    			esac
+    		fi
+	done
+
+	echo $OFILES
+
+elif [ "$i" = "1" ]; then
+	bname_we=$(basename "$1")
+	bname=$(echo "$bname_we" |  cut -f 1 -d '.')
+	stat /usr/share/lazypkg/$bname > /dev/null 2> /dev/null && already_exists
+	echo "Installing $bname_we"
+	continue_interactive
+	mkdir -p /tmp/lazybox/$bname_we || exit 1
+	tar -xf $1 -C /tmp/lazybox/$bname_we || tar_fail
+	stat /tmp/lazybox/$bname_we/usr/share/lazypkg/$bname >/dev/null || stat_fail
+	deps=$(grep deps /tmp/lazybox/$bname_we/usr/share/lazypkg/$bname | tr '=' '\n' | grep -v deps | tr ':' '\n')
+	for dep in $deps; do
+		stat /usr/share/lazypkg/$dep > /dev/null 2> /dev/null || dep_not_found $dep
+    	done
+	tar -xf $1 -C /
+	rm -r /tmp/lazybox/$bname_we
 elif [ "$f" = "1" ]; then
-	stat /usr/share/lazypkg/$1 > /dev/null || find_fail
+	stat /usr/share/lazypkg/$1 > /dev/null 2> /dev/null || find_fail
 	sed -n '/\[fs\]/,$p' /usr/share/lazypkg/$1 | grep -v "\[fs\]"
 elif [ "$l" = "1" ]; then
-	stat /usr/share/lazypkg/$1 > /dev/null || find_fail
+	stat /usr/share/lazypkg/$1 > /dev/null 2> /dev/null || find_fail
 	sed -n '/\[license\]/,/\[fs\]/{/\[license\]\|\[fs\]/!p}' /usr/share/lazypkg/$1
+elif [ "$u" = "1" ]; then
+	stat /usr/share/lazypkg/$1 > /dev/null 2> /dev/null || find_fail
+	FILES=$(sed -n '/\[fs\]/,$p' /usr/share/lazypkg/$1 | grep -v "\[fs\]" | awk '{print length, $0}' | sort -rn | cut -d " " -f2-)
+
+	echo "Uninstalling $1"
+	continue_interactive
+
+	for file in $FILES; do
+    		case $(stat -c "%F" /$file) in
+        		directory) rmdir 2>/dev/null /$file;;
+        		"regular file") rm /$file;;
+        		*) break;;
+    		esac
+    	done
 fi
diff --git a/lazypkg.sh b/lazypkg.sh
index 5346030..b6c28a4 100755
--- a/lazypkg.sh
+++ b/lazypkg.sh
@@ -14,8 +14,8 @@ function do_fetch() {
 	srcdir=$(pwd) fetch
 }
 
-stat src > /dev/null 2>/dev/null || do_fetch
 srcdir=$(pwd)/src
+stat src > /dev/null 2>/dev/null || do_fetch
 
 cd $srcdir
 
@@ -34,6 +34,7 @@ cat > $dir/out/$pkgname/usr/share/lazypkg/$pkgname << EOF
 [pkg]
 name=$pkgname
 ver=$pkgver
+deps=$deps
 
 [license]
 EOF
@@ -66,6 +67,7 @@ echo $ext | tr ':' '\n' | while read e; do
 [pkg]
 name=$pkgname-\$e
 ver=$pkgver
+deps=$pkgname
 
 [license]
 EOF