[bug#33079] [PATCH 28/34] gnu: Add ocaml-migrate-parsetree.

[Julien Lepiller <julien@lepiller.eu>]

* gnu/packages/ocaml.scm (ocaml-migrate-parsetree): New variable.
---
 gnu/packages/ocaml.scm | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/gnu/packages/ocaml.scm b/gnu/packages/ocaml.scm
index 768921912..d16414174 100644
--- a/gnu/packages/ocaml.scm
+++ b/gnu/packages/ocaml.scm
@@ -1497,6 +1497,46 @@ release of Jane Street packages.  It reads metadata from @file{dune} files
 following a very simple s-expression syntax.")
     (license license:expat)))
 
+(define-public ocaml-migrate-parsetree
+  (package
+    (name "ocaml-migrate-parsetree")
+    (version "1.1.0")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://github.com/ocaml-ppx/"
+                                  "ocaml-migrate-parsetree/releases/download/v"
+                                  version "/ocaml-migrate-parsetree-"
+                                  version ".tbz"))
+              (sha256
+               (base32
+                "01zjp1q4hryqaxv4apkjd868fycz2kf887r6lkb6x2a545h1lh7f"))))
+    (build-system ocaml-build-system)
+    (arguments
+     `(#:tests? #f
+       #:phases
+       (modify-phases %standard-phases
+         (delete 'configure)
+         (replace 'build
+           (lambda _
+             (invoke "jbuilder" "build" "@install")
+             #t))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (invoke "jbuilder" "install"
+                     "--prefix" (assoc-ref outputs "out"))
+             #t)))))
+    (propagated-inputs
+     `(("ocamlbuild" ,ocamlbuild)
+       ("ocaml-result" ,ocaml-result)))
+    (native-inputs
+     `(("dune" ,dune)))
+    (home-page "https://github.com/ocaml-ppx/ocaml-migrate-parsetree")
+    (synopsis "OCaml parsetree convertor")
+    (description "This library converts between parsetrees of different OCaml
+versions.  For each version, there is a snapshot of the parsetree and conversion
+functions to the next and/or previous version.")
+    (license license:lgpl2.1+)))
+
 (define-public ocaml-bitstring
   (package
     (name "ocaml-bitstring")
-- 
2.18.0