Add build file for Joann's Pupper Bot

custom-crystal/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, lib, linkFarm, fetchgit, fetchFromGitHub }:
+
+{ crystal,
+  gitShardsFile ? null,
+  lockFile ? null,
+  shardsFile ? null, ...}@args:
+
+let
+    buildArgs = builtins.removeAttrs args [ "crystal" ];
+    githubLinks = lib.mapAttrsToList (name: value: {
+        inherit name;
+        path = fetchFromGitHub value;
+    }) (import shardsFile);
+    gitLinks = lib.mapAttrsToList (name: value: {
+        inherit name;
+	path = fetchgit { inherit (value) url rev sha256; };
+    }) (import gitShardsFile);
+    crystalLib = linkFarm "crystal-lib" (githubLinks ++ gitLinks);
+    configurePhase = args.configurePhase or lib.concatStringsSep "\n" ([
+        "runHook preConfigure"
+    ] ++ lib.optional (lockFile != null)   "ln -s ${lockFile} ./shard.lock"
+        ++ lib.optional (shardsFile != null) "ln -s ${crystalLib} lib"
+	++ [ "runHook postConfigure "]);
+in
+    crystal.buildCrystalPackage (buildArgs // { inherit configurePhase; })

joann-pupper-bot/default.nix

@@ -0,0 +1,16 @@
+{ stdenv, fetchgit, crystal, customCrystal, sqlite, openssl, pkg-config }:
+let
+    url = "https://dev.danilafe.com/Crystal-Bots/joann-pupper-bot";
+    rev = "8d90b052a001a6101dc691a907a16de4fb0a26ee";
+    sha256 = "0r2xyfqj9v73y9il90f2mp2x5h79nbv4yhfsh79kn1w0li6nlx3s";
+in
+    customCrystal {
+	inherit crystal;
+        pname = "joann-pupper-bot";
+	version = rev;
+	src = fetchgit { inherit url rev sha256; };
+	shardsFile = ./shards.nix;
+	gitShardsFile = ./git-shards.nix;
+	crystalBinaries.joann-pupper-bot.src = "src/joann-pupper-bot.cr";
+	buildInputs = [ sqlite openssl pkg-config ];
+    }

joann-pupper-bot/git-shards.nix

@@ -0,0 +1,7 @@
+{
+    telepathy = {
+        url = "https://dev.danilafe.com/Crystal-Bots/telepathy";
+	rev = "v0.1.2";
+	sha256 = "1vis5ncfdjapxqm2q39bd0iwqrkim2wbn84xi3fydshhpkznqh88";
+    };
+}

joann-pupper-bot/shards.nix

@@ -0,0 +1,26 @@
+{
+  cron_parser = {
+    owner = "kostya";
+    repo = "cron_parser";
+    rev = "v0.3.0";
+    sha256 = "0ss5zhlvq8kcmc8j2msigpayrx0nys44j66d6smdnql06bncrm13";
+  };
+  cron_scheduler = {
+    owner = "kostya";
+    repo = "cron_scheduler";
+    rev = "v0.3.0";
+    sha256 = "15lk8x7p5nq388ll7g5al9mflr1723kj6akrj9fadqf9535i6rqc";
+  };
+  db = {
+    owner = "crystal-lang";
+    repo = "crystal-db";
+    rev = "v0.9.0";
+    sha256 = "0am5njx9g0m7lqmzs4qpgrnqq2pl9yb9h6jfrwgarx15c4jdrrzd";
+  };
+  sqlite3 = {
+    owner = "crystal-lang";
+    repo = "crystal-sqlite3";
+    rev = "v0.16.0";
+    sha256 = "1kqbp642gskffwpa98l08s3chx0d49wngjsh0ax7pbjn9kgf7sq5";
+  };
+}