[new release] mirage (2 packages) (4.9.0)

CHANGES:

- Remove time, pclock, mclock, random from functor arguments
  Instead, use the linking trick in mirage-mtime, mirage-ptime, mirage-sleep
  libraries (mirage/mirage#1599 @hannesm, discussion in mirage/mirage#1513 and on the mailing list)
  This removes the default_time, default_monotonic_clock, default_posix_clock
  bindings, and allows "Mirage.register" to get ?sleep ?ptime ?mtime ?random
  passed optionally, following how ?argv is handled.

  This is a breaking change, and your unikernel likely needs to be updated. Have
  a look at mirage/mirage-skeleton#407 for how our
  examples changed.

  As example, the hello-key unikernel diff:
```
  --- a/tutorial/hello-key/config.ml
  +++ b/tutorial/hello-key/config.ml
  @@ -2,5 +2,5 @@
   open Mirage

   let packages = [ package "duration" ]
  -let main = main ~packages "Unikernel.Hello" (time @-> job)
  -let () = register "hello-key" [ main $ default_time ]
  +let main = main ~packages "Unikernel" job
  +let () = register "hello-key" [ main ]

  --- a/tutorial/hello-key/unikernel.ml
  +++ b/tutorial/hello-key/unikernel.ml
  @@ -5,13 +5,12 @@ let hello =
     let doc = Arg.info ~doc:"How to say hello." [ "hello" ] in
     Mirage_runtime.register_arg Arg.(value & opt string "Hello World!" doc)

  -module Hello (Time : Mirage_time.S) = struct
  -  let start _time =
  +let start () =
     let rec loop = function
       | 0 -> Lwt.return_unit
       | n ->
         Logs.info (fun f -> f "%s" (hello ()));
  -          Time.sleep_ns (Duration.of_sec 1) >>= fun () -> loop (n - 1)
  +      Mirage_sleep.ns (Duration.of_sec 1) >>= fun () ->
  +      loop (n - 1)
     in
     loop 4
  -end
```
- Inject a unit argument to the start function if otherwise it would have
  no binding (discussed various times, including mirage/mirage#1088 mirage/mirage#873)

Author: hannesm

packages/mirage-runtime/mirage-runtime.4.9.0/opam

@@ -0,0 +1,45 @@
+opam-version: "2.0"
+maintainer:   ["[email protected]" "[email protected]"]
+authors:      ["Thomas Gazagnaire" "Anil Madhavapeddy" "Gabriel Radanne"
+               "Mindy Preston" "Thomas Leonard" "Nicolas Ojeda Bar"
+               "Dave Scott" "David Kaloper" "Hannes Mehnert" "Richard Mortier"]
+homepage:     "https://github.com/mirage/mirage"
+bug-reports:  "https://github.com/mirage/mirage/issues/"
+dev-repo:     "git+https://github.com/mirage/mirage.git"
+license:      "ISC"
+tags:         ["org:mirage" "org:xapi-project"]
+doc:          "https://mirage.github.io/mirage/"
+available: opam-version >= "2.1.0"
+
+build: [
+  ["dune" "subst"] {dev}
+  ["dune" "build" "-p" name "-j" jobs]
+  ["dune" "runtest" "-p" name "-j" jobs] {with-test}
+]
+
+depends: [
+  "ocaml" {>= "4.13.0"}
+  "dune" {>= "2.9.0"}
+  "logs" {>= "0.7.0"}
+  "lwt" {>= "4.0.0"}
+  "ipaddr" {>= "5.5.0"}
+  "cmdliner" {>= "1.2.0"}
+]
+conflicts: [
+  "result" {< "1.5"}
+  "ppxlib" {= "0.29.0"} #0.29.0 provides a vendored ppx_sexp_conv
+]
+synopsis: "The base MirageOS runtime library, part of every MirageOS unikernel"
+description: """
+A bundle of useful runtime functions for applications built with MirageOS
+"""
+x-maintenance-intent: [ "(latest)" ]
+url {
+  src:
+    "https://github.com/mirage/mirage/releases/download/v4.9.0/mirage-4.9.0.tbz"
+  checksum: [
+    "sha256=0c07d59eb52dc3d1506eb4121c4953104a12df79d08a0f0923c9b71e7474a026"
+    "sha512=666bf9ee20c9f9de058441f252f4f40ceec6a9ffd00e5cd3b7bfa9532fd65000aeb8a83f9e55586be98d0a86ea72f2dda94e924608135e3d63441359505de58a"
+  ]
+}
+x-commit-hash: "c49e60fda7bd7f917bc4bf46281ea3961d00a4e7"

packages/mirage/mirage.4.9.0/opam

@@ -0,0 +1,63 @@
+opam-version: "2.0"
+maintainer:   ["[email protected]" "[email protected]"]
+authors:      ["Thomas Gazagnaire" "Anil Madhavapeddy" "Gabriel Radanne"
+               "Mindy Preston" "Thomas Leonard" "Nicolas Ojeda Bar"
+               "Dave Scott" "David Kaloper" "Hannes Mehnert" "Richard Mortier"]
+homepage:     "https://github.com/mirage/mirage"
+bug-reports:  "https://github.com/mirage/mirage/issues/"
+dev-repo:     "git+https://github.com/mirage/mirage.git"
+license:      "ISC"
+tags:         ["org:mirage" "org:xapi-project"]
+doc:          "https://mirage.github.io/mirage/"
+available: opam-version >= "2.1.0"
+
+build: [
+  ["dune" "subst"] {dev}
+  ["dune" "build" "-p" name "-j" jobs]
+  ["dune" "runtest" "-p" name "-j" jobs] {with-test}
+]
+
+depends: [
+  "ocaml" {>= "4.13.0"}
+  "dune" {>= "2.9.0"}
+  "astring"
+  "cmdliner" {>= "1.2.0"}
+  "cmdliner" {with-test & >= "1.3.0"}
+  "emile" {>= "1.1"}
+  "fmt" {>= "0.8.7"}
+  "ipaddr" {>= "5.0.0"}
+  "bos"
+  "fpath"
+  "rresult" {>= "0.7.0"}
+  "uri" {>= "4.2.0"}
+  "logs" {>= "0.7.0"}
+  "opam-monorepo" {>= "0.4.0"}
+  "alcotest" {with-test}
+  "mirage-runtime" {with-test & = version}
+]
+
+conflicts: [ "jbuilder" {with-test} ]
+
+synopsis: "The MirageOS library operating system"
+description: """
+MirageOS is a library operating system that constructs unikernels for
+secure, high-performance network applications across a variety of
+cloud computing and mobile platforms. Code can be developed on a
+normal OS such as Linux or MacOS X, and then compiled into a
+fully-standalone, specialised unikernel that runs under the Xen
+hypervisor.
+
+Since Xen powers most public cloud computing infrastructure such as
+Amazon EC2 or Rackspace, this lets your servers run more cheaply,
+securely and with finer control than with a full software stack.
+"""
+x-maintenance-intent: [ "(latest)" ]
+url {
+  src:
+    "https://github.com/mirage/mirage/releases/download/v4.9.0/mirage-4.9.0.tbz"
+  checksum: [
+    "sha256=0c07d59eb52dc3d1506eb4121c4953104a12df79d08a0f0923c9b71e7474a026"
+    "sha512=666bf9ee20c9f9de058441f252f4f40ceec6a9ffd00e5cd3b7bfa9532fd65000aeb8a83f9e55586be98d0a86ea72f2dda94e924608135e3d63441359505de58a"
+  ]
+}
+x-commit-hash: "c49e60fda7bd7f917bc4bf46281ea3961d00a4e7"