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

gmergefs

Index: gmergefs
diff --git a/gmergefs b/gmergefs
index 6995a6fd0894aac2bf0c271549ef06cb0fe37675..2be45dad2d58427b380f8742c39f81496033b013 100755
--- a/gmergefs
+++ b/gmergefs
@@ -6,10 +6,28 @@
 
 # Run gmergefs from the scripts directory.
 
-COMMON_SH="$(dirname "$0")/common.sh"
-. "$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
 
-cd ${GCLIENT_ROOT}/src/platform/dev && ./gmergefs $*
+cd ${GCLIENT_ROOT}/src/platform/dev && ./gmergefs "$@"