Fix help and add test case to check this important feature

.github/workflows/Tests.yaml

@@ -59,6 +59,9 @@ jobs:
       - name: build image
         run: docker build -t zimit .
 
+      - name: ensure help display without issue
+        run: docker run -v $PWD/output:/output zimit zimit --help
+
       - name: run crawl
         run: docker run -v $PWD/output:/output zimit zimit --url http://isago.rskg.org/ --name isago --zim-file isago.zim --adminEmail [email protected] --mobileDevice "Pixel 5" --statsFilename /output/stats.json --keep
 

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Upgrade to browsertrix crawler 1.3.2, warc2zim 2.1.2 and other dependencies (#406)
 
+### Fixed
+
+- Fix help (#393)
+
 ## [2.1.2] - 2024-09-09
 
 ### Changed

src/zimit/zimit.py

@@ -287,7 +287,7 @@ def run(raw_args):
     parser.add_argument(
         "--diskUtilization",
         help="Save state and exit if disk utilization exceeds this percentage value."
-        " Default (if not set) is 90%. Set to 0 to disable disk utilization check.",
+        " Default (if not set) is 90%%. Set to 0 to disable disk utilization check.",
         type=int,
         default=90,
     )