Generate opam file with dune

dune-project

@@ -1,3 +1,20 @@
 (lang dune 2.0)
 (name ppx_defer)
 (allow_approximate_merlin)
+
+(license MIT)
+(maintainers "Hezekiah M. Carty <[email protected]>")
+(authors "Hezekiah M. Carty <[email protected]>")
+
+(source (github hcarty/ppx_defer))
+
+(generate_opam_files true)
+
+(package
+ (name ppx_defer)
+ (synopsis "Go-like [%defer later]; now syntax")
+ (depends
+  (ocaml (>= 4.02.3))
+  (dune (>= 2.0))
+  ocaml-migrate-parsetree
+  ppx_tools_versioned))

ppx_defer.opam

@@ -1,15 +1,29 @@
+# This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-maintainer: "Hezekiah M. Carty <[email protected]>"
-authors: [ "Hezekiah M. Carty <[email protected]>" ]
-license: "MIT"
 synopsis: "Go-like [%defer later]; now syntax"
+maintainer: ["Hezekiah M. Carty <[email protected]>"]
+authors: ["Hezekiah M. Carty <[email protected]>"]
+license: "MIT"
 homepage: "https://github.com/hcarty/ppx_defer"
 bug-reports: "https://github.com/hcarty/ppx_defer/issues"
-dev-repo: "git+https://github.com/hcarty/ppx_defer.git"
-build:[ "dune" "build" "-p" name "-j" jobs ]
 depends: [
   "ocaml" {>= "4.02.3"}
   "dune" {>= "2.0"}
   "ocaml-migrate-parsetree"
   "ppx_tools_versioned"
 ]
+build: [
+  ["dune" "subst"] {pinned}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/hcarty/ppx_defer.git"