Fix a bug preventing cylc vip --workflow-name=foo from working.

CHANGES.md

@@ -15,6 +15,9 @@ ones in. -->
 
 ### Fixes
 
+[#5349](https://github.com/cylc/cylc-flow/pull/5349) - Bugfix: `cylc vip --workflow-name`
+only worked when used with a space, not an `=`.
+
 [#5367](https://github.com/cylc/cylc-flow/pull/5367) - Enable using
 Rose options (`-O`, `-S` & `-D`) with `cylc view`.
 

cylc/flow/option_parsers.py

@@ -821,6 +821,7 @@ def cleanup_sysargv(
         for x in compound_script_opts
     }
     # Filter out non-cylc-play options.
+    args = [i.split('=')[0] for i in sys.argv]
     for unwanted_opt in (set(options.__dict__)) - set(script_opts_by_dest):
         for arg in compound_opts_by_dest[unwanted_opt].args:
             if arg in sys.argv:
@@ -831,6 +832,9 @@ def cleanup_sysargv(
                     not in ['store_true', 'store_false']
                 ):
                     sys.argv.pop(index)
+            elif arg in args:
+                index = args.index(arg)
+                sys.argv.pop(index)
 
     # replace compound script name:
     sys.argv[1] = script_name

tests/unit/test_option_parsers.py

@@ -397,6 +397,19 @@ def test_combine_options(inputs, expect):
             'play --foo something myworkflow'.split(),
             id='no path given'
         ),
+        param(
+            'vip --bar=something'.split(),
+            {
+                'script_name': 'play',
+                'workflow_id': 'myworkflow',
+                'compound_script_opts': [
+                    OptionSettings(['--bar', '-b'])],
+                'script_opts': [],
+                'source': './myworkflow',
+            },
+            'play myworkflow'.split(),
+            id='removes --key=value'
+        ),
     ]
 )
 def test_cleanup_sysargv(monkeypatch, argv_before, kwargs, expect):