From c3e512b13c07991d83f987d0cfc63502f92173ce Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eric=20M=C3=BCller?= <mueller@kip.uni-heidelberg.de>
Date: Mon, 12 Aug 2024 10:24:26 +0200
Subject: [PATCH] feat(spec): support `--test {None,all,root} for input specs

---
 lib/spack/spack/cmd/spec.py | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/spack/spack/cmd/spec.py b/lib/spack/spack/cmd/spec.py
index a704adc75ca..a049ecf2d1e 100644
--- a/lib/spack/spack/cmd/spec.py
+++ b/lib/spack/spack/cmd/spec.py
@@ -70,6 +70,12 @@ def setup_parser(subparser):
     subparser.add_argument(
         "-t", "--types", action="store_true", default=False, help="show dependency types"
     )
+    subparser.add_argument(
+        "--test",
+        default=None,
+        choices=["root", "all"],
+        help="concretize with test dependencies of only root packages or all packages",
+    )
     arguments.add_common_arguments(subparser, ["specs"])
     arguments.add_concretizer_args(subparser)
 
@@ -98,9 +104,17 @@ def spec(parser, args):
     # Use command line specified specs, otherwise try to use environment specs.
     if args.specs:
         input_specs = spack.cmd.parse_specs(args.specs)
-        concretized_specs = spack.cmd.parse_specs(args.specs, concretize=True)
+        if args.test == "all":
+            tests = True
+        elif args.test == "root":
+            tests = [spec.name for spec in input_specs]
+        else:
+            tests = False
+        concretized_specs = spack.cmd.parse_specs(args.specs, concretize=True, tests=tests)
         specs = list(zip(input_specs, concretized_specs))
     else:
+        if args.test is not None:
+            tty.die("spack spec for environments does not support test dependency selection")
         env = ev.active_environment()
         if env:
             env.concretize()
-- 
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