Print help message, if script is invoked without prefixing 'isabelle env'.

2022-06-24 18:50:32 +01:00 · 2022-06-24 18:50:32 +01:00 · aa7d0aec09
parent 31778374ed
commit aa7d0aec09
1 changed files with 6 additions and 0 deletions
--- a/6
+++ b/6
@ -129,6 +129,12 @@ do
    shift
 done

+if [ -z ${ISABELLE_TOOL+x} ];
+then
+    print_help
+    exit 1
+fi
+
 ACTUAL_ISABELLE_VERSION=`$ISABELLE_TOOL version`

 ISABELLE_VERSION="Isabelle$($ISABELLE_TOOL options -g dof_isabelle)"