make_keys: fix environnment value error

uefi-keys/make_keys.sh

@@ -14,11 +14,19 @@ set -e
 
 # get the root of the git repository (requires git to be installed)
 GIT_ROOT=`git rev-parse --show-toplevel`
-cd ${GIT_ROOT}/uefi-keys/
-cd ${GIT_ROOT}/installation/
+PROJECT_DIR=$GIT_ROOT
+
+SERVER_GROUP=douai
+
+CERT_DIR=uefi-keys/public-certificates
+KEYS_DIR=uefi-keys/private-keys
+PUBLIC_CERT_DIR=${PROJECT_DIR}/${CERT_DIR}/${SERVER_GROUP}
+PRIVATE_KEYS_DIR=${PROJECT_DIR}/${KEYS_DIR}/${SERVER_GROUP}
+PUBLIC_CERT_DIR=$(realpath -m "$PUBLIC_CERT_DIR")
+PRIVATE_KEYS_DIR=$(realpath -m "$PRIVATE_KEYS_DIR")
+
+
 
-# define useful variables
-source env.sh
 
 cd -