utils/get-developers: add -d option for custom DEVELOPERS file

In preparation to the introduction of test cases for the
get-developers script, make it possible to pass a custom DEVELOPERS
file. A normal user of get-developers will most likely never use this,
but the test suite will use it.

Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
[Thomas: extracted from a larger patch from Ricardo, initially posted
at https://patchwork.ozlabs.org/project/buildroot/patch/20220528014832.289907-1-ricardo.martincoski@gmail.com/]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

utils/get-developers

@@ -21,6 +21,8 @@ def parse_args():
                         const=True, help='only list affected developer email addresses')
     parser.add_argument('-v', dest='validate', action='store_const',
                         const=True, help='validate syntax of DEVELOPERS file')
+    parser.add_argument('-d', dest='filename', action='store', default=None,
+                        help='override the default DEVELOPERS file (for debug)')
     return parser.parse_args()
 
 
@@ -48,7 +50,7 @@ def __main__():
         print("No action specified")
         return
 
-    devs = getdeveloperlib.parse_developers()
+    devs = getdeveloperlib.parse_developers(args.filename)
     if devs is None:
         sys.exit(1)
 

utils/getdeveloperlib.py

@@ -225,13 +225,13 @@ def parse_developer_runtime_tests(fnames):
     return runtimes
 
 
-def parse_developers():
+def parse_developers(filename=None):
     """Parse the DEVELOPERS file and return a list of Developer objects."""
     developers = []
     linen = 0
     global unittests
     unittests = list_unittests()
-    developers_fname = os.path.join(brpath, 'DEVELOPERS')
+    developers_fname = filename or os.path.join(brpath, 'DEVELOPERS')
     with open(developers_fname, mode='r', encoding='utf_8') as f:
         files = []
         name = None