Various updates to dune and CI setup

.github/dependabot.yml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly

.github/workflows/build.yml

@@ -0,0 +1,53 @@
+name: build
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+  schedule:
+    # Prime the caches every Monday
+    - cron: 0 1 * * MON
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+        packages:
+          - "punycode.opam"
+        ocaml-compiler:
+          - "ocaml-variants.5.3.0+options,ocaml-option-afl"
+          - "5.3"
+          - "4.14"
+          - "4.08"
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set-up OCaml ${{ matrix.ocaml-compiler }}
+        uses: ocaml/setup-ocaml@v3
+        with:
+          ocaml-compiler: ${{ matrix.ocaml-compiler }}
+
+      - name: Install dependencies
+        run: |
+          opam install . --with-test --deps-only
+
+      - name: Build
+        run: |
+          opam exec -- dune build @all
+
+      - name: Tests
+        run: |
+          opam exec -- dune build @runtest
+
+      - name: Opam Lint
+        run: |
+          opam lint .

dune-project

@@ -1 +1,21 @@
-(lang dune 1.9)
+(lang dune 3.7)
+(name punycode)
+(generate_opam_files true)
+
+(license AGPL-3.0-only)
+(maintainers "cfcs")
+(authors "cfcs")
+(source (github cfcs/ocaml-punycode))
+
+(package
+ (name punycode)
+ (synopsis "RFC 3492: IDNA Punycode library")
+ (depends
+  (ocaml (>= 4.08))
+   astring
+   uutf
+   rresult
+  (domain-name (>= 0.3))
+  (alcotest :with-test)
+  (crowbar :with-test)
+  (qcheck :with-test)))

punycode.opam

@@ -1,30 +1,35 @@
+# This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-name:         "punycode"
-synopsis:     "RFC 3492: IDNA Punycode library"
-homepage:     "https://github.com/cfcs/ocaml-punycode"
-dev-repo:     "git+https://github.com/cfcs/ocaml-punycode.git"
-bug-reports:  "https://github.com/cfcs/ocaml-punycode/issues"
-doc:          "https://cfcs.github.io/ocaml-punycode/doc"
-author:       ["cfcs"]
-maintainer:   ["cfcs"]
-license:      "AGPL"
-
-build: [
-  ["dune" "build" "-p" name "-j" jobs]
-  ["dune" "build" "-p" name "runtest"] {with-test}
-]
-
+synopsis: "RFC 3492: IDNA Punycode library"
+maintainer: ["cfcs"]
+authors: ["cfcs"]
+license: "AGPL-3.0-only"
+homepage: "https://github.com/cfcs/ocaml-punycode"
+bug-reports: "https://github.com/cfcs/ocaml-punycode/issues"
 depends: [
-  "ocaml"     { >= "4.02" }
-  "dune"      { >= "1.9.3" & build }
-
+  "dune" {>= "3.7"}
+  "ocaml" {>= "4.08"}
   "astring"
-  "domain-name"  { >= "0.3" }
-  "uchar" # for ocaml 4.02 compat
-  "rresult"
   "uutf"
-
+  "rresult"
+  "domain-name" {>= "0.3"}
   "alcotest" {with-test}
   "crowbar" {with-test}
   "qcheck" {with-test}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
 ]
+dev-repo: "git+https://github.com/cfcs/ocaml-punycode.git"

src/dune

@@ -3,5 +3,4 @@
   (public_name punycode)
   (synopsis "Punycode IDNA library")
   (modules :standard)
-  (libraries astring domain-name uchar uutf rresult)
-)
+  (libraries astring domain-name uutf rresult))

src/punycode.mli

@@ -41,7 +41,7 @@ val msg_of_decode_error : punycode_decode_error -> [> `Msg of string]
 *)
 
 
-(** {1:unicode2punycode Unicode -> Punycode}*)
+(** {1:unicode2punycode Unicode -> Punycode} *)
 
 
 val to_encoded_domain_name : string ->

tests/dune

@@ -1,13 +1,5 @@
-(executables
-  (names tests)
-  (public_names -)
-  (libraries punycode qcheck crowbar alcotest)
-)
-(alias
-  (name runtest)
-  (action
-    (progn
-      (run ./tests.exe)
-    )
-  )
-)
+(test
+ (name tests)
+ (package punycode)
+ (libraries punycode qcheck crowbar alcotest)
+ (modules tests))