This starts to fix the scripts so that they load from /usr/lib/crosutils

get_package_list

Index: get_package_list
diff --git a/get_package_list b/get_package_list
index b45e2869ada3f9ce216009ec301b62154b1139ec..ea16e037594802a2ae0db9304520be41a5cd2355 100755
--- a/get_package_list
+++ b/get_package_list
@@ -7,7 +7,26 @@
 # Lists all package dependencies of a particular package.  Useful to find out
 # all packages depended on by chromeos and chromeos-dev.
 
-. "$(dirname "$0")/common.sh"
+# --- BEGIN COMMON.SH BOILERPLATE ---
+# Load common CrOS utilities.  Inside the chroot this file is installed in
+# /usr/lib/crosutils.  Outside the chroot we find it relative to the script's
+# location.
+find_common_sh() {
+  local common_paths=(/usr/lib/crosutils $(dirname "$(readlink -f "$0")"))
+  local path
+
+  SCRIPT_ROOT=
+  for path in "${common_paths[@]}"; do
+    if [ -r "${path}/common.sh" ]; then
+      SCRIPT_ROOT=${path}
+      break
+    fi
+  done
+}
+
+find_common_sh
+. "${SCRIPT_ROOT}/common.sh" || (echo "Unable to load common.sh" && exit 1)
+# --- END COMMON.SH BOILERPLATE ---
 
 # Script must be run inside the chroot.
 assert_inside_chroot