trigger-openqa_in_openqa: Allow to import for testability and extenda…

…bility

trigger-openqa_in_openqa

@@ -19,7 +19,33 @@ client_prefix=${client_prefix:-}
 full_run=${FULL:-}
 group_id="${group_id:-"openQA"}"
 
+usage() {
+    cat << EOF
+Usage: $0 [OPTIONS]
+
+Triggers tests on an openQA instance testing openQA itself.
+
+Can be configured additionally with environment variables.
+
+Options:
+ -h, --help         display this help
+EOF
+    exit "$1"
+}
+
 main() {
+    opts=$(getopt -o h -l help -n "$0" -- "$@") || usage 1
+    eval set -- "$opts"
+    while true; do
+        case "$1" in
+            -h | --help) usage 0 ;;
+            --)
+                shift
+                break
+                ;;
+            *) break ;;
+        esac
+    done
     [ "$dry_run" = "1" ] && client_prefix="echo"
     local qcow build
     download_scenario
@@ -66,31 +92,4 @@ trigger() {
         | tee job_post_response
 }
 
-usage() {
-    cat << EOF
-Usage: $0 [OPTIONS]
-
-Triggers tests on an openQA instance testing openQA itself.
-
-Can be configured additionally with environment variables.
-
-Options:
- -h, --help         display this help
-EOF
-    exit "$1"
-}
-
-opts=$(getopt -o h -l help -n "$0" -- "$@") || usage 1
-eval set -- "$opts"
-while true; do
-    case "$1" in
-        -h | --help) usage 0 ;;
-        --)
-            shift
-            break
-            ;;
-        *) break ;;
-    esac
-done
-
-main
+caller 0 > /dev/null || main "$@"