Merge pull request #20 from Profpatsch/master

Add fetcher script and update to dhall 1.31.0

README.md

@@ -32,3 +32,14 @@ nix-repl> drvs.dhall-simple
 ## NixOS: Contributors needed
 
 The derivations here have been tested by others to work on NixOS. If you have problems, open an issue.
+
+## Update this repository
+
+To update, run
+
+```
+./fetch.py
+```
+
+from the root of this repository.
+It will prefetch the binaries from the latest dhall release on Github.

dhall-bash-simple.nix

@@ -1,16 +1,20 @@
 { pkgs ? import <nixpkgs> {} }:
 
+let
+  release = import ./release.nix;
+in
+
 pkgs.stdenv.mkDerivation rec {
   name = "dhall-bash-simple";
 
   src = if pkgs.stdenv.isDarwin
   then pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-bash-1.0.28-x86_64-macos.tar.bz2";
+    url = release.dhall-bash-darwin.url;
-    sha256 = "1flzfjb9qxphpgzpp9acpgxdylkn97zbrw6f3lbz6rnb2k7sc8b5";
+    sha256 = release.dhall-bash-darwin.hash;
   }
   else pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-bash-1.0.28-x86_64-linux.tar.bz2";
+    url = release.dhall-bash-linux.url;
-    sha256 = "0v377zbna1m7mphgzmibbs35k3bshx22iwvnyciwryl9x2hglbsg";
+    sha256 = release.dhall-bash-linux.hash;
   };
 
   installPhase = ''

dhall-json-simple.nix

@@ -1,16 +1,20 @@
 { pkgs ? import <nixpkgs> {} }:
 
+let
+  release = import ./release.nix;
+in
+
 pkgs.stdenv.mkDerivation rec {
   name = "dhall-json-simple";
 
   src = if pkgs.stdenv.isDarwin
   then pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-json-1.6.2-x86_64-macos.tar.bz2";
+    url = release.dhall-json-darwin.url;
-    sha256 = "02j0lg285a1a7w4rxcmvvn3fxyn5mnxrrgzdn8j4yjdbizkq13lx";
+    sha256 = release.dhall-json-darwin.hash;
-  }
+    }
   else pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-json-1.6.2-x86_64-linux.tar.bz2";
+    url = release.dhall-json-linux.url;
-    sha256 = "1wzlxcfvw1nf6g5rhnsd7g079f25n569s2gg7prrly0r9ry64dza";
+    sha256 = release.dhall-json-linux.hash;
   };
 
   installPhase = ''

dhall-lsp-simple.nix

@@ -1,16 +1,20 @@
 { pkgs ? import <nixpkgs> {} }:
 
+let
+  release = import ./release.nix;
+in
+
 pkgs.stdenv.mkDerivation rec {
   name = "dhall-lsp-simple";
 
   src = if pkgs.stdenv.isDarwin
   then pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-lsp-server-1.0.5-x86_64-macos.tar.bz2";
+    url = release.dhall-lsp-server-darwin.url;
-    sha256 = "1ng7f6mrxz1yjwskdf0knlbrb1r8d95yb9sqzbfymnynvpakjn1g";
+    sha256 = release.dhall-lsp-server-darwin.hash;
   }
   else pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-lsp-server-1.0.5-x86_64-linux.tar.bz2";
+    url = release.dhall-lsp-server-linux.url;
-    sha256 = "0bgidy98s6nn2ysfbyl13s36rc8mn1rr5lw2wdpad6achz0mr397";
+    sha256 = release.dhall-lsp-server-linux.hash;
   };
 
   installPhase = ''

dhall-nix-simple.nix

@@ -1,16 +1,20 @@
 { pkgs ? import <nixpkgs> {} }:
 
+let
+  release = import ./release.nix;
+in
+
 pkgs.stdenv.mkDerivation rec {
   name = "dhall-nix-simple";
 
   src = if pkgs.stdenv.isDarwin
   then pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-nix-1.1.12-x86_64-macos.tar.bz2";
+    url = release.dhall-nix-darwin.url;
-    sha256 = "19fyhwldla827im6xajhdwgfcim66r9ajc6rwyhl18qlhfbddqhm";
+    sha256 = release.dhall-nix-darwin.hash;
   }
   else pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-nix-1.1.12-x86_64-linux.tar.bz2";
+    url = release.dhall-nix-linux.url;
-    sha256 = "0wskg94n64khx3advc019bxmfa67pzvjkd1q2fjpz8cnn9953gmf";
+    sha256 = release.dhall-nix-linux.hash;
   };
 
   installPhase = ''

dhall-simple.nix

@@ -1,16 +1,20 @@
 { pkgs ? import <nixpkgs> {} }:
 
+let
+  release = import ./release.nix;
+in
+
 pkgs.stdenv.mkDerivation rec {
   name = "dhall-simple";
 
   src = if pkgs.stdenv.isDarwin
   then pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-1.30.0-x86_64-macos.tar.bz2";
+    url = release.dhall-darwin.url;
-    sha256 = "03s4fj7i3jvnjk3faiqd77g46xxyj85i10jxrv2nvgy14kmx11cr";
+    sha256 = release.dhall-darwin.hash;
   }
   else pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-1.30.0-x86_64-linux.tar.bz2";
+    url = release.dhall-linux.url;
-    sha256 = "00llrslfvlihfzryfvh8z2dz93nz1327h4ha2ks41k63x4fl4ib8";
+    sha256 = release.dhall-linux.hash;
   };
 
   installPhase = ''

dhall-yaml-simple.nix

@@ -1,16 +1,20 @@
 { pkgs ? import <nixpkgs> {} }:
 
+let
+  release = import ./release.nix;
+in
+
 pkgs.stdenv.mkDerivation rec {
   name = "dhall-yaml-simple";
 
   src = if pkgs.stdenv.isDarwin
   then pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-yaml-1.0.2-x86_64-macos.tar.bz2";
+    url = release.dhall-yaml-darwin.url;
-    sha256 = "05hj7h682bwk721r86qjq4s24q1vy302kacak9gn7l6k05awx166";
+    sha256 = release.dhall-yaml-darwin.hash;
   }
   else pkgs.fetchurl {
-    url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.30.0/dhall-yaml-1.0.2-x86_64-linux.tar.bz2";
+    url = release.dhall-yaml-linux.url;
-    sha256 = "0n8015gc7pkqppqabxw66yvdv0kzd747z3hr477bzv1aawpc8i9f";
+    sha256 = release.dhall-yaml-linux.hash;
   };
 
   installPhase = ''

fetch.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i python3 -p python3 curl nix
+
+import json
+import re
+import subprocess as sub
+import sys
+
+# fetch the release info from releases/latest
+def curl_latest_release():
+    url = "https://api.github.com/repos/dhall-lang/dhall-haskell/releases/latest"
+    return json.loads(sub.check_output(["curl", url]))
+
+# call nix-prefetch-url on each asset to get their hashes
+def prefetch_binaries(release):
+    res = []
+    for a in release['assets']:
+        if "linux" in a['name'] or "macos" in a['name']:
+            print(a['name'], file=sys.stderr)
+            hash = sub.check_output(["nix-prefetch-url", a['browser_download_url']]).strip().decode()
+            res += [{
+                'name': a['name'],
+                'url': a['browser_download_url'],
+                'hash': hash
+            }]
+    return res
+
+# convert the list of binaries to an object we can address
+def postprocess(fetched):
+    obj = {}
+    for i in fetched:
+        # split on the first digit ("dhall-foo-bar-1.2.3")
+        name = re.split(r'-\d', i['name'])[0]
+        post = "-linux" if "linux" in i['name'] else "-darwin"
+        obj[name + post] = i
+    return(obj)
+
+
+if __name__ == "__main__":
+    release = curl_latest_release()
+    version = release['tag_name']
+    print("updating to release {}".format(version), file=sys.stderr)
+    fetched = prefetch_binaries(release)
+    res = postprocess(fetched)
+    print("writing ./release.json", file=sys.stderr)
+    with open("./release.json", mode='w') as f:
+        json.dump(res, f, indent=2)

release.json

@@ -0,0 +1,62 @@
+{
+  "dhall-linux": {
+    "name": "dhall-1.31.0-x86_64-linux.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-1.31.0-x86_64-linux.tar.bz2",
+    "hash": "0h8hnxgh7jpql79fgr9iv0qy0122fph64vwqld02p6cb3v7s59yd"
+  },
+  "dhall-darwin": {
+    "name": "dhall-1.31.0-x86_64-macos.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-1.31.0-x86_64-macos.tar.bz2",
+    "hash": "063gidfq64fnbb8ixfdx9y5lraxwh1gc1hbq8x201d84c0rvldrk"
+  },
+  "dhall-bash-linux": {
+    "name": "dhall-bash-1.0.29-x86_64-linux.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-bash-1.0.29-x86_64-linux.tar.bz2",
+    "hash": "1907b5c377gzbyghlf5gfghasm14szqj7x5bmkibxspymxwxza3h"
+  },
+  "dhall-bash-darwin": {
+    "name": "dhall-bash-1.0.29-x86_64-macos.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-bash-1.0.29-x86_64-macos.tar.bz2",
+    "hash": "0ad0k73rvljxmrygx9vz0aiksrm4hs876k7q0vc261vmw95p5rqq"
+  },
+  "dhall-json-linux": {
+    "name": "dhall-json-1.6.3-x86_64-linux.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-json-1.6.3-x86_64-linux.tar.bz2",
+    "hash": "0x4q39g02swkcj47r9cr53dljn06dwjrfiypp17is7csb62lhs6h"
+  },
+  "dhall-json-darwin": {
+    "name": "dhall-json-1.6.3-x86_64-macos.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-json-1.6.3-x86_64-macos.tar.bz2",
+    "hash": "158mw49rayivb9xp6ch8cai1p6i94pa6ivpfbpjlb8j9r603jkvn"
+  },
+  "dhall-lsp-server-linux": {
+    "name": "dhall-lsp-server-1.0.6-x86_64-linux.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-lsp-server-1.0.6-x86_64-linux.tar.bz2",
+    "hash": "1fmd5snaa7c441g994szl1chzcq0wyzjr7fkshf8jg5mw1gs1z5i"
+  },
+  "dhall-lsp-server-darwin": {
+    "name": "dhall-lsp-server-1.0.6-x86_64-macos.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-lsp-server-1.0.6-x86_64-macos.tar.bz2",
+    "hash": "1h0rr7n0fw41fnivdaywxba5rbh007x9y627d10azd1whm7f1r3s"
+  },
+  "dhall-nix-linux": {
+    "name": "dhall-nix-1.1.13-x86_64-linux.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-nix-1.1.13-x86_64-linux.tar.bz2",
+    "hash": "0vhrlbnky58hm975ikq47z1pc1578r5mzv8l1ppysxwi30v0riv9"
+  },
+  "dhall-nix-darwin": {
+    "name": "dhall-nix-1.1.13-x86_64-macos.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-nix-1.1.13-x86_64-macos.tar.bz2",
+    "hash": "15i8cpwlzjsf19n8lqzfj75qspv8zkcf43nxdd1cjb6b8by1pqg6"
+  },
+  "dhall-yaml-linux": {
+    "name": "dhall-yaml-1.0.3-x86_64-linux.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-yaml-1.0.3-x86_64-linux.tar.bz2",
+    "hash": "0bx3273s5b9rj3k4d69qazsqlfjq8yb7idfddk86kqgjxas5wkr3"
+  },
+  "dhall-yaml-darwin": {
+    "name": "dhall-yaml-1.0.3-x86_64-macos.tar.bz2",
+    "url": "https://github.com/dhall-lang/dhall-haskell/releases/download/1.31.0/dhall-yaml-1.0.3-x86_64-macos.tar.bz2",
+    "hash": "0crb9kara9jfskljb5v3m5whl72spamml3h6afjz8clym925ka2y"
+  }
+}

release.nix

@@ -0,0 +1 @@
+builtins.fromJSON (builtins.readFile ./release.json)