Add --full-path option to module find (#6838)

lib/spack/spack/cmd/module.py

@@ -71,6 +71,11 @@ def setup_parser(subparser):
 
     # spack module find
     find_parser = sp.add_parser('find', help='find module files for packages')
+    find_parser.add_argument(
+        '--full-path',
+        help='display full path to module file',
+        action='store_true'
+    )
     arguments.add_common_arguments(find_parser, ['constraint', 'module_type'])
 
     # spack module rm
@@ -208,8 +213,11 @@ def find(module_types, specs, args):
         msg += 'no {0} module has been generated for it.'
         tty.die(msg.format(module_type, spec))
 
-    # ... and if it is print its use name
-    print(writer.layout.use_name)
+    # ... and if it is print its use name or full-path if requested
+    if args.full_path:
+        print(writer.layout.filename)
+    else:
+        print(writer.layout.use_name)
 
 
 @subcommand('rm')

lib/spack/spack/test/cmd/module.py

@@ -97,11 +97,15 @@ def test_remove_and_add_tcl(database, parser):
         assert os.path.exists(item)
 
 
-def test_find(database, parser):
+@pytest.mark.parametrize('cli_args', [
+    ['--module-type', 'tcl', 'libelf'],
+    ['--module-type', 'tcl', '--full-path', 'libelf']
+])
+def test_find(database, parser, cli_args):
     """Tests the 'spack module find' under a few common scenarios."""
 
     # Try to find it for tcl module files
-    args = parser.parse_args(['find', '--module-type', 'tcl', 'libelf'])
+    args = parser.parse_args(['find'] + cli_args)
     module.module(parser, args)