From 4f7c9186f0c838555f00e28cd46588744a8c2f86 Mon Sep 17 00:00:00 2001
From: Michael Fellinger <michael.fellinger@xing.com>
Date: Sun, 27 May 2018 22:41:44 +0200
Subject: [PATCH] Switch to fetchgit

---
 .../development/compilers/mint/crystal2nix.cr | 40 +++++++++-------
 pkgs/development/compilers/mint/default.nix   |  7 +--
 pkgs/development/compilers/mint/shards.nix    | 48 +++++++++++--------
 3 files changed, 56 insertions(+), 39 deletions(-)

diff --git a/pkgs/development/compilers/mint/crystal2nix.cr b/pkgs/development/compilers/mint/crystal2nix.cr
index 2ec8c92be3fb..5d92ae4afeae 100644
--- a/pkgs/development/compilers/mint/crystal2nix.cr
+++ b/pkgs/development/compilers/mint/crystal2nix.cr
@@ -1,27 +1,33 @@
 require "yaml"
+require "json"
+
+class PrefetchJSON
+  JSON.mapping(sha256: String)
+end
 
 File.open "shards.nix", "w+" do |file|
-  file.puts "{"
+  file.puts %({)
   yaml = YAML.parse(File.read("shard.lock"))
   yaml["shards"].each do |key, value|
-    file.puts "  #{key} = {"
-    file.puts %(    url = "https://github.com/#{value["github"]}";)
-    if value["commit"]?
-      file.puts %(    rev = "#{value["commit"]}";)
-    else
-      url = "https://github.com/#{value["github"]}"
-      ref = "v#{value["version"]}"
+    url = "https://github.com/#{value["github"]}"
+    rev = if value["version"]?
+            "v#{value["version"]}"
+          else
+            value["commit"].as_s
+          end
 
-      puts "git ls-remote #{url} #{ref}"
-      Process.run("git", args: ["ls-remote", url, ref]) do |x|
-        x.error.each_line { |e| puts e }
-        x.output.each_line { |o| value.as_h["commit"] = o.split("\t")[0] }
-      end
-
-      file.puts %(    rev = "#{value["commit"]};)
+    sha256 = ""
+    args = ["--url", url, "--rev", rev]
+    Process.run("nix-prefetch-git", args: args) do |x|
+      x.error.each_line { |e| puts e }
+      sha256 = PrefetchJSON.from_json(x.output).sha256
     end
 
-    file.puts "  };"
+    file.puts %(  #{key} = {)
+    file.puts %(    url = "#{url}";)
+    file.puts %(    rev = "#{rev}";)
+    file.puts %(    sha256 = "#{sha256}";)
+    file.puts %(  };)
   end
-  file.puts "}"
+  file.puts %(})
 end
diff --git a/pkgs/development/compilers/mint/default.nix b/pkgs/development/compilers/mint/default.nix
index 853fa937bafb..f28b7db3a56d 100644
--- a/pkgs/development/compilers/mint/default.nix
+++ b/pkgs/development/compilers/mint/default.nix
@@ -1,9 +1,9 @@
-{stdenv, lib, remarshal, runCommand, crystal, zlib, openssl, duktape}:
+{stdenv, lib, fetchgit, crystal, zlib, openssl, duktape}:
 let
   crystalPackages = lib.mapAttrs (name: src:
     stdenv.mkDerivation {
       name = lib.replaceStrings ["/"] ["-"] name;
-      src = fetchGit src;
+      src = fetchgit src;
       phases = "installPhase";
       installPhase = ''cp -r $src $out'';
       passthru = { libName = name; };
@@ -30,9 +30,10 @@ in
 stdenv.mkDerivation rec {
   version = "2018-05-27";
   name = "mint-${version}";
-  src = fetchGit {
+  src = fetchgit {
     url = "https://github.com/mint-lang/mint.git";
     rev = "a3f0c86f54b8b3a18dda5c39c2089bdb1d774b4f";
+    sha256 = "1bgs6jkwfc2ksq4gj55cl3h2l5g25f5bwlsjryiw9cbx5k4bp1kz";
   };
 
   buildInputs = [ crystal zlib openssl duktape ];
diff --git a/pkgs/development/compilers/mint/shards.nix b/pkgs/development/compilers/mint/shards.nix
index cac1bba5ccce..ba42006c461a 100644
--- a/pkgs/development/compilers/mint/shards.nix
+++ b/pkgs/development/compilers/mint/shards.nix
@@ -1,42 +1,52 @@
 {
   admiral = {
-    url = "jwaldrip/admiral.cr";
-    rev = "07dde44b2d499c0a941b8da6270e1eac0baadcc2";
+    url = "https://github.com/jwaldrip/admiral.cr";
+    rev = "v1.6.1";
+    sha256 = "0y30b9b9rkz43afd3b9l24hs0r170qyc07r05kvydbv89376c53i";
   };
   ameba = {
-    url = "veelenga/ameba";
-    rev = "7a4fcec5ce62ff92197014f67143c8112866cf8a";
+    url = "https://github.com/veelenga/ameba";
+    rev = "v0.6.0";
+    sha256 = "16jfyrkfc909h16si513lw944qp3dyapymczcqc2ic0jaal0af5b";
   };
   baked_file_system = {
-    url = "schovi/baked_file_system";
-    rev = "22956aa79e889c241884017461e9dc79443d84d9";
+    url = "https://github.com/schovi/baked_file_system";
+    rev = "v0.9.6";
+    sha256 = "06cpriaizp5pcqwdq3jl2lm4sz9b2gcxg3a9q3lh0fqk2acajzmx";
   };
   duktape = {
-    url = "jessedoyle/duktape.cr";
-    rev = "0e59b56835da23068fe5bd5fbddb935cf0123b67";
+    url = "https://github.com/jessedoyle/duktape.cr";
+    rev = "v0.13.0";
+    sha256 = "0v0nckprgr7idmsx97g98as1a7z4hmlmwl924dbbaqvyslv5ls6w";
   };
   kemal = {
-    url = "kemalcr/kemal";
-    rev = "17bd3dce3724b092fd1151cad126f5973da00204";
+    url = "https://github.com/kemalcr/kemal";
+    rev = "v0.22.0";
+    sha256 = "0gq3c27grgh90fykbj9fdsz507lwd41gk686qfnig6npndqv1v10";
   };
   kilt = {
-    url = "jeromegn/kilt";
-    rev = "d177f02e124a197d22c4cc6d8dee7e1b33821bb1";
+    url = "https://github.com/jeromegn/kilt";
+    rev = "v0.4.0";
+    sha256 = "1w9ib6j4xhwxdxx58nzc06gw7ci7vga03vgj1z1bnklamb0b0l0k";
   };
   radix = {
-    url = "luislavena/radix";
-    rev = "4acb5cfbc304751d94201cdbca72947214af6ee1";
+    url = "https://github.com/luislavena/radix";
+    rev = "v0.3.8";
+    sha256 = "1kn2xxj8a8j6f6g1dr0s9mkrj1xqnpzw9wnbq24mbv8ach9a1hva";
   };
   string_inflection = {
-    url = "mosop/string_inflection";
-    rev = "fe46a7269ff8183d4d24728fb24cfa576e89829e";
+    url = "https://github.com/mosop/string_inflection";
+    rev = "v0.2.1";
+    sha256 = "10vkr28h7n53ijjv57ldxhh473086qg313lzs55a7wsh0zgc104m";
   };
   time_format = {
-    url = "vladfaust/time_format.cr";
-    rev = "30676d3712cb9a0a667c763c69912d801368f90d";
+    url = "https://github.com/vladfaust/time_format.cr";
+    rev = "v0.1.0";
+    sha256 = "1f3rssdlcw2a5f74qa8bzlf1rh5dzvyg1d32w9qlisf2cc4lkh9g";
   };
   tree_template = {
-    url = "anykeyh/tree_template";
+    url = "https://github.com/anykeyh/tree_template";
     rev = "3fcb71ee6852040077dd1a2c8c55c67f4a95ba4e";
+    sha256 = "04w89wpnkna4ipyy3pxshqqwgk965hz1d31vqp0mrb0ilmpsywdk";
   };
 }