From 5d0fe870745356869c0804b57a16fd671b8a3c6c Mon Sep 17 00:00:00 2001
From: Florent 'Skia' Jacquet <florent.jacquet@canonical.com>
Date: Fri, 10 Nov 2023 12:05:21 +0200
Subject: tools: add usage to jenkins-runner

---
 tools/jenkins-runner | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tools/jenkins-runner b/tools/jenkins-runner
index 375dc3c1..55658940 100755
--- a/tools/jenkins-runner
+++ b/tools/jenkins-runner
@@ -44,6 +44,23 @@ cleanup() {
         esac
     fi
 }
+usage() {
+    echo -e "Curtin jenkins-runner"
+    echo -e ""
+    echo -e "This script is just a wrapper for calling underlying nosetests3 tests."
+    echo -e "Filtering options are passed to that tool, so you may want to have a look at its usage too."
+    echo -e ""
+    echo -e "USAGE:"
+    echo -e "\tjenkins-runner [OPTIONS] [PATH ...]"
+    echo -e ""
+    echo -e "ARGS:"
+    echo -e "\t<PATH>...\n\t\tA list of tests/vmtest* files to run"
+    echo -e "OPTIONS:"
+    echo -e "\tCURTIN_VMTEST_*\t\tSet some CURTIN_VMTEST_ variables from command line"
+    echo -e "\t--skip-images-dirlock\tSkip image directory lock"
+    echo -e "\t--filter\t\tFilter the tests to run"
+    echo -e "\t-p, --parallel\t\tSet the number of parallel jobs"
+}
 
 if [ "$reuse" != "1" ]; then
     if [ -d "$topdir" ]; then
@@ -70,6 +87,10 @@ tests=( )
 skip_images_dirlock=0
 while [ $# -ne 0 ]; do
     case "$1" in
+        -h|--help)
+            usage
+            exit 0
+            ;;
         # allow setting these environment variables on cmdline.
         CURTIN_VMTEST_*=*) export "$1";;
         --filter=*) ntfilters[${#ntfilters[@]}]="${1#--filter=}";;
-- 
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