build: make opam-format a depopt

CHANGES.md

@@ -1,3 +1,3 @@
-## ?? (unrelease)
+## 0.9.0 (2017-02-16)
 
 * initial release

opam

@@ -9,7 +9,8 @@ maintainer:   ["Hannes Mehnert <[email protected]>"]
 license:      "BSD2"
 
 build: [
-  [ "ocaml" "pkg/pkg.ml" "build" "--pinned" "%{pinned}%" "--tests" "false" ]
+  [ "ocaml" "pkg/pkg.ml" "build" "--pinned" "%{pinned}%" "--tests" "false"
+    "--with-format" "%{opam-format:installed}%" ]
 ]
 
 build-test: [
@@ -29,4 +30,8 @@ depends: [
   "alcotest"   {test}
   "logs" "fmt" "rresult" "astring"
 ]
+
+depopts: [
+  "opam-format"
+]
 available: [ ocaml-version >= "4.03.0" ]

pkg/pkg.ml

@@ -4,15 +4,18 @@
 open Topkg
 
 let nocrypto = Conf.with_pkg (* ~default:false *) "nocrypto"
+let format = Conf.with_pkg ~default:false "format"
 
 let () =
   Pkg.describe "conex" @@ fun c ->
-  let nocrypto = Conf.value c nocrypto in
+  let nocrypto = Conf.value c nocrypto
+  and format = Conf.value c format
+  in
   Ok [
     Pkg.mllib "src/conex.mllib" ;
     Pkg.mllib ~cond:nocrypto "src/nocrypto/conex-nocrypto.mllib" ;
-(*    Pkg.bin "analysis/maintainer" ;
-      Pkg.bin "analysis/opam_repo_stats" ; *)
+    Pkg.bin ~cond:format ~dst:"conex_maintainer" "analysis/maintainer" ;
+    Pkg.bin ~cond:format ~dst:"conex_repo_stats" "analysis/opam_repo_stats" ;
     Pkg.bin "app/conex_author" ;
     Pkg.bin "app/conex_verify_openssl" ;
     Pkg.bin "app/conex_verify_nocrypto" ;