Generate hello.opam from dune-project

Signed-off-by: Christian Lindig <[email protected]>

Makefile

@@ -30,7 +30,8 @@ utop:
 
 format:
 	$(DUNE) build --auto-promote @fmt
-	opam lint --normalise hello.opam > hello.tmp && mv hello.tmp hello.opam
+	# opam lint --normalise hello.opam > hello.tmp && mv hello.tmp hello.opam
+	dune format-dune-file dune-project > $$$$ && mv $$$$ dune-project
 	git ls-files '**/*.[ch]' | xargs -n1 indent -nut -i8
 
 # vim:ts=8:noet:

bin/main.ml

@@ -26,5 +26,4 @@ let hello =
   C.Cmd.v info @@ C.Term.(const Hello.hello $ name')
 
 let main () = C.Cmd.eval hello
-
 let () = if !Sys.interactive then () else main () |> exit

dune-project

@@ -1,2 +1,25 @@
 (lang dune 2.0)
-(name hello)
+
+(generate_opam_files true)
+
+(source
+ (github lindig/hello))
+
+(license Unlicense)
+
+(authors "Christian Lindig <[email protected]>")
+
+(maintainers "Christian Lindig <[email protected]>")
+
+(package
+ (name hello)
+ (synopsis "Minimal OCaml project for starting a new one")
+ (description
+  "Hello is the classic hello world but organised as a proper OCaml project incuding command-line parsing and online help. It serves as a starting point for new projects.")
+ (depends
+  (dune
+   (>= "2.0"))
+  (ocaml
+   (>= 4.08.0))
+  (cmdliner
+   (>= 1.1.0))))

hello.opam

@@ -1,17 +1,30 @@
+# This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
 synopsis: "Minimal OCaml project for starting a new one"
-description: """
-Hello is the classic hello world but organised as a proper
-OCaml project incuding command-line parsing and online help. It serves
-as a starting point for new projects."""
-maintainer: "Christian Lindig <[email protected]>"
-authors: "Christian Lindig <[email protected]>"
+description:
+  "Hello is the classic hello world but organised as a proper OCaml project incuding command-line parsing and online help. It serves as a starting point for new projects."
+maintainer: ["Christian Lindig <[email protected]>"]
+authors: ["Christian Lindig <[email protected]>"]
 license: "Unlicense"
 homepage: "https://github.com/lindig/hello"
 bug-reports: "https://github.com/lindig/hello/issues"
 depends: [
   "dune" {>= "2.0"}
+  "ocaml" {>= "4.08.0"}
   "cmdliner" {>= "1.1.0"}
 ]
-build: ["dune" "build" "-p" name "-j" jobs]
-dev-repo: "https://github.com/lindig/hello.git"
+build: [
+  ["dune" "subst"] {pinned}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/lindig/hello.git"