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

archive_hwqual

Index: archive_hwqual
diff --git a/archive_hwqual b/archive_hwqual
index 6ce823726b343e708c6e05bc1d70fe09c19cedd9..1bc91a839540ba42ebe642471739f8319e9035b0 100755
--- a/archive_hwqual
+++ b/archive_hwqual
@@ -6,9 +6,26 @@
 
 # Script to take an archived build result and prepare a hwqual release.
 
-# Load common constants.  This should be the first executable line.
-# The path to common.sh should be relative to your script's location.
-. "$(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 ---
 
 # Flags
 DEFINE_string from "" "Directory with build archive (zipname)"
@@ -42,7 +59,7 @@ function main() {
     FLAGS_to="${FLAGS_from}"
   fi
 
-  local script_dir=$(dirname "$0")
+  local script_dir=${SCRIPTS_DIR}
 
   script_dir=$(readlink -f "${script_dir}")
   docgen_dir="autotest/utils/docgen"