restrict possible dates to avoid conversion failure in hebrew

.gitignore

@@ -0,0 +1 @@
+_build/

.ocamlformat

@@ -0,0 +1,3 @@
+profile = default
+version = 0.24.1
+exp-grouping=preserve

README.md

@@ -0,0 +1,11 @@
+= Calendars =
+
+OCaml library to convert dates between ([Gregorian], [Julian], [French republican], [Hebrew]) calendars.
+
+This code was originally from [Geneweb].
+
+[Gregorian]: https://en.wikipedia.org/wiki/Gregorian_calendar
+[Julian]: https://en.wikipedia.org/wiki/Julian_calendar
+[French republican]: https://en.wikipedia.org/wiki/French_Republican_calendar
+[Hebrew]: https://en.wikipedia.org/wiki/Hebrew_calendar
+[Geneweb]: https://github.com/geneweb/geneweb/

calendars.opam

@@ -1,26 +1,46 @@
+# This file is generated by dune, edit dune-project instead
 opam-version: "2.0"
-
-name: "calendars"
-
 version: "1.0.0"
-
 synopsis: "Convert dates between gregorian/julian/french/hebrew calendars"
-
-authors: [ "Daniel de Rauglaudre" ]
-
-maintainer: "Julien Sagot <julien.sagot@geneanet.org>"
-
-license: "GNU GPL"
-
+description:
+  "OCaml library to convert dates between gregorian/julian/french/hebrew calendars. Code is originally from Geneweb."
+maintainer: [
+  "Elie Canonici-Merle <elie.canonicimerle@geneanet.org>"
+  "Olivier Pierre <olivier.pierre@geneanet.org>"
+]
+authors: ["Daniel de Rauglaudre"]
+license: "GPL-2.0-only"
+tags: [
+  "moon-phase"
+  "gregorian"
+  "julian"
+  "hebrew"
+  "french-republican"
+  "calendar"
+  "date"
+]
 homepage: "https://github.com/geneweb/calendars"
-
 bug-reports: "https://github.com/geneweb/calendars/issues"
-
-dev-repo: "git+https://github.com/geneweb/calendars.git"
-
 depends: [
-  "dune" { >= "1.11" }
-  "ocaml" { >= "4.05" }
+  "dune" {>= "2.9"}
+  "ocaml" {>= "4.08"}
+  "ounit2" {with-test}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "--promote-install-files=false"
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
   ]
-
-build: [ [ "dune" "build" "-p" name "-j" jobs] ]
+  ["dune" "install" "-p" name "--create-install-files" name]
+]
+dev-repo: "git+https://github.com/geneweb/calendars.git"

dune-project

@@ -1,2 +1,19 @@
-(lang dune 1.11)
+(lang dune 2.9)
 (name calendars)
+(version 1.0.0)
+
+(generate_opam_files true)
+(license GPL-2.0-only)
+(authors "Daniel de Rauglaudre")
+(maintainers "Elie Canonici-Merle <elie.canonicimerle@geneanet.org>" "Olivier Pierre <olivier.pierre@geneanet.org>")
+(source (github geneweb/calendars))
+
+(package
+  (name calendars)
+  (synopsis "Convert dates between gregorian/julian/french/hebrew calendars")
+  (description "OCaml library to convert dates between gregorian/julian/french/hebrew calendars. Code is originally from Geneweb.")
+  (tags (moon-phase gregorian julian hebrew french-republican calendar date))
+  (depends
+    (ocaml (>= 4.08))
+    (ounit2 :with-test)
+  ))