2 files changed, 43 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/icr/default.nix b/nixpkgs/pkgs/development/tools/icr/default.nix
new file mode 100644
index 000000000000..50a349d8ff71
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/icr/default.nix
@@ -0,0 +1,35 @@
+{ stdenv, lib, fetchFromGitHub, crystal, shards, makeWrapper, pkgconfig, which
+, openssl, readline, libyaml, zlib }:
+
+crystal.buildCrystalPackage rec {
+  pname = "icr";
+  version = "0.8.0";
+
+  src = fetchFromGitHub {
+    owner = "crystal-community";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1bz2bhs6csyg2rhrlknlvaiilq3vq8plxjh1hdxmbrfi3n6c7k5a";
+  };
+
+  shardsFile = ./shards.nix;
+
+  buildInputs = [ libyaml openssl readline zlib ];
+
+  nativeBuildInputs = [ makeWrapper pkgconfig which ];
+
+  # tests are failing due to our sandbox
+  doCheck = false;
+
+  postFixup = ''
+    wrapProgram $out/bin/icr \
+      --prefix PATH : ${lib.makeBinPath [ crystal shards makeWrapper which ]}
+  '';
+
+  meta = with stdenv.lib; {
+    description = "Interactive console for the Crystal programming language";
+    homepage = "https://github.com/crystal-community/icr";
+    license = licenses.mit;
+    maintainers = with maintainers; [ peterhoeg ];
+  };
+}
diff --git a/nixpkgs/pkgs/development/tools/icr/shards.nix b/nixpkgs/pkgs/development/tools/icr/shards.nix
new file mode 100644
index 000000000000..1dddd5a42c39
--- /dev/null
+++ b/nixpkgs/pkgs/development/tools/icr/shards.nix
@@ -0,0 +1,8 @@
+{
+  readline = {
+    owner = "crystal-lang";
+    repo = "crystal-readline";
+    rev = "0fb7d186da8e1b157998d98d1c96e99699b791eb";
+    sha256 = "1rk27vw3ssldgnfgprwvz2gag02v4g6d6yg56b3sk9w3fn8jyyi8";
+  };
+}