gnu: lager: Update to 0.1.1.

* gnu/packages/cpp.scm (lager): Update to 0.1.1.

Change-Id: Ied19cc6d5371cee9d97aa4dfb21a78f6d1582f10

gnu/packages/cpp.scm

@@ -1839,35 +1839,33 @@ composable sequential transformations.")
    (license license:boost1.0)))
 
 (define-public lager
-  (let ((commit "2016df38be90ee176bcb73ea414be2318bc1ef31")
-        (revision "0"))
-    (package
-     (name "lager")
-     (version (git-version "0.0.0" revision commit))
-     (source (origin
-              (method git-fetch)
-              (uri (git-reference
-                    (url "https://github.com/arximboldi/lager")
-                    (commit commit)))
-              (file-name (git-file-name name version))
-              (sha256
-               (base32 "1b7zxwqrbm7db7wxqbsrk7jjd3znvvi1cwj7jg6zkmf0199071a5"))))
-     (build-system cmake-build-system)
-     (arguments (list #:test-target "check"
-                      #:configure-flags #~(list "-Dlager_BUILD_EXAMPLES=no")
-                      #:phases
-                      #~(modify-phases %standard-phases
-                          (add-after 'unpack 'delete-failing-tests
-                            (lambda _
-                              (delete-file-recursively "test/event_loop"))))))
-     (inputs (list boost immer zug))
-     (native-inputs (list cereal))
-     (home-page "https://sinusoid.es/lager")
-     (synopsis "Library for value-oriented design")
-     (description "Lager is a library for value-oriented design implementing
+  (package
+   (name "lager")
+   (version "0.1.1")
+   (source (origin
+            (method git-fetch)
+            (uri (git-reference
+                  (url "https://github.com/arximboldi/lager")
+                  (commit (string-append "v" version))))
+            (file-name (git-file-name name version))
+            (sha256
+             (base32 "1by9d49qnkncifyjcq16zy605d7v4ps6hvc01q5nsp1nbswm94m4"))))
+   (build-system cmake-build-system)
+   (arguments (list #:test-target "check"
+                    #:configure-flags #~(list "-Dlager_BUILD_EXAMPLES=no")
+                    #:phases
+                    #~(modify-phases %standard-phases
+                        (add-after 'unpack 'delete-failing-tests
+                          (lambda _
+                            (delete-file-recursively "test/event_loop"))))))
+   (inputs (list boost immer zug))
+   (native-inputs (list catch2 cereal))
+   (home-page "https://sinusoid.es/lager")
+   (synopsis "Library for value-oriented design")
+   (description "Lager is a library for value-oriented design implementing
 the unidirectional data-flow architecture.  Apart from a store and various
 event loops it also provides lenses and cursors.")
-     (license license:expat))))
+   (license license:expat)))
 
 (define-public atomic-queue
   (package