Add command line flag to specify the whitelists directory

This commit adds the command line flag --whitelists-dir to specify the
directory path for the whitelists files in the obs-installability
script.

This commit also updates the Jenkinsfile to use the correct path for the
whitelists files.

Signed-off-by: Luis Araujo <luis.araujo@collabora.co.uk>

obs-installability/Jenkinsfile

@@ -18,7 +18,7 @@ pipeline {
           test -n "${params.RELEASE}" && RELEASE=${params.RELEASE}
 
           export HOME=/tmp
-          ./obs-installability/obs-installability \$RELEASE junit.xml
+          ./obs-installability/obs-installability \$RELEASE junit.xml --whitelists-dir obs-installability/whitelists/
         """
       }
     }

obs-installability/obs-installability

@@ -61,9 +61,7 @@ packages_results = { }
 # URL from which the Packages.gz files will be fetched for each image type.
 link = "https://repositories.apertis.org/apertis/dists/%(release)s/%(image_type)s/binary-%(arch)s/Packages.gz"
 
-whitelists_dir = "whitelists/"
-
-def check_packages(release):
+def check_packages(release, whitelists_dir):
     # Make sure to create the dir to save all the Packages files, otherwise
     # remove it if it already exists.
     if os.path.isdir(PKG_FILES_DIR):
@@ -179,10 +177,13 @@ def main():
                             help='Image release (eg. v2020pre)')
     cli_parser.add_argument('JUNIT', type=argparse.FileType('w'),
                             help='file to store results in JUnit format')
+    cli_parser.add_argument('--whitelists-dir', type=str,
+                            default="whitelists/",
+                            help="Dir path for whitelists files")
     args = cli_parser.parse_args()
     logging.basicConfig(level=logging.INFO, format='%(message)s')
-    
-    junit_file = check_packages(args.RELEASE)
+
+    junit_file = check_packages(args.RELEASE, args.whitelists_dir)
     logging.info("> Writing JUnit file: %s", args.JUNIT.name)
     args.JUNIT.write(junit_file)