gnu: cl-environments: Update to 20200401.

* gnu/packages/lisp-xyz.scm (cl-environments): Update to 20200401.
This includes the :tools package not present in 0.2.3.

gnu/packages/lisp-xyz.scm

@@ -14376,25 +14376,26 @@ collecting values easier.")
 (define-public cl-environments
   ;; TODO: asdf-build-system/sbcl fails here, why?  See if it works with the
   ;; build system revamp once staging is merged after 2020-11-09.
+  (let ((commit "bbcd958a9ff23ce3e6ea5f8ee2edad9634819a3a")) ; No version in 2 years.
     (package
       (name "cl-environments")
-    (version "0.2.3")
+      (version (git-version "0.2.3" "1" commit))
       (source
        (origin
          (method git-fetch)
          (uri (git-reference
                (url "https://github.com/alex-gutev/cl-environments")
-             (commit (string-append "v" version))))
+               (commit commit)))
          (file-name (git-file-name name version))
          (sha256
           (base32
-         "08w364if2ivxwdarz44vwk0s61zk8l8pnrwskaghbrjg3his1nmd"))))
+           "1pfxl3vcdrb4mjy4q4c3c7q95kzv6rfjif3hzd5q91i9z621d64r"))))
       (build-system asdf-build-system/source)
       (propagated-inputs
-     `(("alexandria" ,sbcl-alexandria)
-       ("anaphora" ,sbcl-anaphora)
-       ("collectors" ,sbcl-collectors)
-       ("optima" ,sbcl-optima)))
+       `(("alexandria" ,cl-alexandria)
+         ("anaphora" ,cl-anaphora)
+         ("collectors" ,cl-collectors)
+         ("optima" ,cl-optima)))
       (native-inputs
        `(("prove" ,sbcl-prove)
          ("prove-asdf" ,sbcl-prove-asdf)))
@@ -14405,7 +14406,7 @@ Lisp the Language 2, for accessing information about variable and function
 bindings from implementation-defined lexical environment objects.  All major
 Common Lisp implementations are supported, even those which don't support the
 CLTL2 environment access API.")
-    (license license:expat)))
+      (license license:expat))))
 
 (define-public sbcl-static-dispatch
   (package