replace a couple of echo with printf

evomaintenance.sh

@@ -230,8 +230,7 @@ hook_mail() {
 }
 
 hook_log() {
-  echo "----------- $(get_now) ---------------" >> "${LOGFILE}"
-  echo "${BLOB}" >> "${LOGFILE}"
+  printf "----------- %s ---------------\n%s\n" "$(get_now)" "${BLOB}" >> "${LOGFILE}"
 }
 
 # load configuration if present.
@@ -400,10 +399,8 @@ fi
 
 # Commit hook
 if [ "${INTERACTIVE}" = "1" ]; then
-    if test -n "${GIT_STATUSES}" && [ "${HOOK_COMMIT}" = "1" ]; then
-        echo "/!\ There are some uncommited changes."
-        echo "${GIT_STATUSES}"
-        echo ""
+    if [ -n "${GIT_STATUSES}" ] && [ "${HOOK_COMMIT}" = "1" ]; then
+        printf "/!\ There are some uncommited changes.\n%s\n\n" "${GIT_STATUSES}"
 
         y="Y"; n="n"
         answer=""