remove deletion

rc

@@ -30,7 +30,7 @@ function _q-tools-update-binary {
     # update self
     [[ -z "$QTOOLSPATH" ]] && return
     [[ -w "$QTOOLSPATH" ]] || return
-    pushd ~ >/dev/null
+
     if [[ ! -e "$QTOOLSPATH"/.version ]]; then
         touch "$QTOOLSPATH"/.version
     fi
@@ -42,15 +42,15 @@ function _q-tools-update-binary {
         if [[ "$remote_version" != "$current_version" ]]; then
             set -u
             echo "Update $current_version => $remote_version"
-            mkdir -p "$QTOOLSPATH"
             curl -L -f -s https://six9.net/software/q-tools/current.tar.gz > "$QTOOLSPATH"/current.tar.gz || return
-            find "$QTOOLSPATH" -maxdepth 1 -mindepth 1 -type d -exec rm -r \{\} \;
             tar -xz -C "$QTOOLSPATH" -f "$QTOOLSPATH"/current.tar.gz || return
-            rm "$QTOOLSPATH"/current.tar.gz
+            rm -rf \
+                "$QTOOLSPATH"/.git \
+                "$QTOOLSPATH"/current.tar.gz
             set +u
         fi
     fi
-    popd > /dev/null
+
     _q-tools-reload
 
 }
@@ -70,7 +70,6 @@ function _self_update() {
     else
         _q-tools-update-binary
     fi
-
     popd > /dev/null
 }