View location resolve environment variables (#20420)

lib/spack/spack/environment.py

@@ -40,6 +40,7 @@
 import spack.util.lock as lk
 from spack.util.path import substitute_path_variables
 from spack.installer import PackageInstaller
+import spack.util.path
 
 #: environment variable used to indicate the active environment
 spack_env_var = 'SPACK_ENV'
@@ -468,7 +469,7 @@ class ViewDescriptor(object):
     def __init__(self, base_path, root, projections={}, select=[], exclude=[],
                  link=default_view_link):
         self.base = base_path
-        self.root = root
+        self.root = spack.util.path.canonicalize_path(root)
         self.projections = projections
         self.select = select
         self.select_fn = lambda x: any(x.satisfies(s) for s in self.select)