From 31dfad9c16fd6c8cb7d6f07af449a2daf8c58f11 Mon Sep 17 00:00:00 2001
From: Massimiliano Culpo <massimiliano.culpo@gmail.com>
Date: Wed, 3 Nov 2021 18:28:03 +0100
Subject: spack install: add --reuse argument

---
 lib/spack/spack/cmd/__init__.py | 3 ++-
 lib/spack/spack/cmd/install.py  | 7 ++++---
 2 files changed, 6 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/spack/spack/cmd/__init__.py b/lib/spack/spack/cmd/__init__.py
index 501a668b7c..e5dbcd0b27 100644
--- a/lib/spack/spack/cmd/__init__.py
+++ b/lib/spack/spack/cmd/__init__.py
@@ -153,6 +153,7 @@ def parse_specs(args, **kwargs):
     concretize = kwargs.get('concretize', False)
     normalize = kwargs.get('normalize', False)
     tests = kwargs.get('tests', False)
+    reuse = kwargs.get('reuse', False)
 
     try:
         sargs = args
@@ -161,7 +162,7 @@ def parse_specs(args, **kwargs):
         specs = spack.spec.parse(sargs)
         for spec in specs:
             if concretize:
-                spec.concretize(tests=tests)  # implies normalize
+                spec.concretize(tests=tests, reuse=reuse)  # implies normalize
             elif normalize:
                 spec.normalize(tests=tests)
 
diff --git a/lib/spack/spack/cmd/install.py b/lib/spack/spack/cmd/install.py
index 5463132878..c04fb23ea3 100644
--- a/lib/spack/spack/cmd/install.py
+++ b/lib/spack/spack/cmd/install.py
@@ -78,7 +78,7 @@ the dependencies"""
     subparser.add_argument(
         '-u', '--until', type=str, dest='until', default=None,
         help="phase to stop after when installing (default None)")
-    arguments.add_common_arguments(subparser, ['jobs'])
+    arguments.add_common_arguments(subparser, ['jobs', 'reuse'])
     subparser.add_argument(
         '--overwrite', action='store_true',
         help="reinstall an existing spec, even if it has dependents")
@@ -338,7 +338,7 @@ environment variables:
 
             if not args.only_concrete:
                 with env.write_transaction():
-                    concretized_specs = env.concretize(tests=tests)
+                    concretized_specs = env.concretize(tests=tests, reuse=args.reuse)
                     ev.display_specs(concretized_specs)
 
                     # save view regeneration for later, so that we only do it
@@ -392,7 +392,8 @@ environment variables:
 
     try:
         specs = spack.cmd.parse_specs(
-            args.spec, concretize=True, tests=tests)
+            args.spec, concretize=True, tests=tests, reuse=args.reuse
+        )
     except SpackError as e:
         tty.debug(e)
         reporter.concretization_report(e.message)
-- 
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