diff --git a/.forgejo/install-emacs/action.yml b/.forgejo/install-emacs/action.yml
new file mode 100644
index 0000000..f27e80d
--- /dev/null
+++ b/.forgejo/install-emacs/action.yml
@@ -0,0 +1,13 @@
+name: 'Set up Emacs'
+description: 'Install a specific Emacs version for use in your workflow.'
+author: 'Steve Purcell'
+inputs:
+  version:
+    description: 'The version of Emacs to install, e.g. "24.3", or "snapshot" for a recent development version.'
+runs:
+  using: 'composite'
+  steps:
+    - run: ${{ github.action_path }}/install.sh
+      shell: bash
+      env:
+        INPUT_VERSION: ${{ inputs.version }}
diff --git a/.forgejo/install-emacs/flake.lock b/.forgejo/install-emacs/flake.lock
new file mode 100644
index 0000000..c25e6bb
--- /dev/null
+++ b/.forgejo/install-emacs/flake.lock
@@ -0,0 +1,42 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1669165918,
+        "narHash": "sha256-hIVruk2+0wmw/Kfzy11rG3q7ev3VTi/IKVODeHcVjFo=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3b400a525d92e4085e46141ff48cbf89fd89739e",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixpkgs-unstable",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
\ No newline at end of file
diff --git a/.forgejo/install-emacs/flake.nix b/.forgejo/install-emacs/flake.nix
new file mode 100644
index 0000000..9610be0
--- /dev/null
+++ b/.forgejo/install-emacs/flake.nix
@@ -0,0 +1,21 @@
+{
+  description = "Setup Emacs Action";
+
+  inputs =
+    {
+      nixpkgs.url = "nixpkgs/nixpkgs-unstable";
+      flake-utils.url = "github:numtide/flake-utils";
+    };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+      in
+      {
+        devShell = pkgs.mkShell {
+          buildInputs = with pkgs; [ pkgs.shellcheck ];
+        };
+      }
+    );
+}
\ No newline at end of file
diff --git a/.forgejo/install-emacs/install-nix.sh b/.forgejo/install-emacs/install-nix.sh
new file mode 100755
index 0000000..75c0177
--- /dev/null
+++ b/.forgejo/install-emacs/install-nix.sh
@@ -0,0 +1,127 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Sudo is required by this installer
+apt-get update -qq
+apt-get install -y sudo
+
+if nix_path="$(type -p nix)" ; then
+  echo "Aborting: Nix is already installed at ${nix_path}"
+  exit
+fi
+
+if [[ ($OSTYPE =~ linux) && ($INPUT_ENABLE_KVM == 'true') ]]; then
+  enable_kvm() {
+    echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-install-nix-action-kvm.rules
+    sudo udevadm control --reload-rules && sudo udevadm trigger --name-match=kvm
+  }
+
+  echo '::group::Enabling KVM support'
+  enable_kvm && echo 'Enabled KVM' || echo 'KVM is not available'
+  echo '::endgroup::'
+fi
+
+# GitHub command to put the following log messages into a group which is collapsed by default
+echo "::group::Installing Nix"
+
+# Create a temporary workdir
+workdir=$(mktemp -d)
+trap 'rm -rf "$workdir"' EXIT
+
+# Configure Nix
+add_config() {
+  echo "$1" >> "$workdir/nix.conf"
+}
+add_config "show-trace = true"
+# Set jobs to number of cores
+add_config "max-jobs = auto"
+if [[ $OSTYPE =~ darwin ]]; then
+  add_config "ssl-cert-file = /etc/ssl/cert.pem"
+fi
+# Allow binary caches for user
+add_config "trusted-users = root ${USER:-}"
+# Add a GitHub access token.
+# Token-less access is subject to lower rate limits.
+if [[ -n "${INPUT_GITHUB_ACCESS_TOKEN:-}" ]]; then
+  echo "::debug::Using the provided github_access_token for github.com"
+  add_config "access-tokens = github.com=$INPUT_GITHUB_ACCESS_TOKEN"
+# Use the default GitHub token if available.
+# Skip this step if running an Enterprise instance. The default token there does not work for github.com.
+elif [[ -n "${GITHUB_TOKEN:-}" && $GITHUB_SERVER_URL == "https://github.com" ]]; then
+  echo "::debug::Using the default GITHUB_TOKEN for github.com"
+  add_config "access-tokens = github.com=$GITHUB_TOKEN"
+else
+  echo "::debug::Continuing without a GitHub access token"
+fi
+# Append extra nix configuration if provided
+if [[ -n "${INPUT_EXTRA_NIX_CONFIG:-}" ]]; then
+  add_config "$INPUT_EXTRA_NIX_CONFIG"
+fi
+if [[ ! $INPUT_EXTRA_NIX_CONFIG =~ "experimental-features" ]]; then
+  add_config "experimental-features = nix-command flakes"
+fi
+# Always allow substituting from the cache, even if the derivation has `allowSubstitutes = false`.
+# This is a CI optimisation to avoid having to download the inputs for already-cached derivations to rebuild trivial text files.
+if [[ ! $INPUT_EXTRA_NIX_CONFIG =~ "always-allow-substitutes" ]]; then
+  add_config "always-allow-substitutes = true"
+fi
+
+# Nix installer flags
+installer_options=(
+  --no-channel-add
+  --darwin-use-unencrypted-nix-store-volume
+  --nix-extra-conf-file "$workdir/nix.conf"
+)
+
+# only use the nix-daemon settings if on darwin (which get ignored) or systemd is supported
+if [[ (! $INPUT_INSTALL_OPTIONS =~ "--no-daemon") && ($OSTYPE =~ darwin || -e /run/systemd/system) ]]; then
+  installer_options+=(
+    --daemon
+    --daemon-user-count "$(python3 -c 'import multiprocessing as mp; print(mp.cpu_count() * 2)')"
+  )
+else
+  # "fix" the following error when running nix*
+  # error: the group 'nixbld' specified in 'build-users-group' does not exist
+  add_config "build-users-group ="
+  sudo mkdir -p /etc/nix
+  sudo chmod 0755 /etc/nix
+  sudo cp "$workdir/nix.conf" /etc/nix/nix.conf
+fi
+
+if [[ -n "${INPUT_INSTALL_OPTIONS:-}" ]]; then
+  IFS=' ' read -r -a extra_installer_options <<< "$INPUT_INSTALL_OPTIONS"
+  installer_options=("${extra_installer_options[@]}" "${installer_options[@]}")
+fi
+
+echo "installer options: ${installer_options[*]}"
+
+# There is --retry-on-errors, but only newer curl versions support that
+curl_retries=5
+while ! curl -sS -o "$workdir/install" -v --fail -L "${INPUT_INSTALL_URL:-https://releases.nixos.org/nix/nix-2.22.1/install}"
+do
+  sleep 1
+  ((curl_retries--))
+  if [[ $curl_retries -le 0 ]]; then
+    echo "curl retries failed" >&2
+    exit 1
+  fi
+done
+
+sh "$workdir/install" "${installer_options[@]}"
+
+# Set paths
+echo "/nix/var/nix/profiles/default/bin" >> "$GITHUB_PATH"
+# new path for nix 2.14
+echo "$HOME/.nix-profile/bin" >> "$GITHUB_PATH"
+
+if [[ -n "${INPUT_NIX_PATH:-}" ]]; then
+  echo "NIX_PATH=${INPUT_NIX_PATH}" >> "$GITHUB_ENV"
+fi
+
+# Set temporary directory (if not already set) to fix https://github.com/cachix/install-nix-action/issues/197
+if [[ -z "${TMPDIR:-}" ]]; then
+  echo "TMPDIR=${RUNNER_TEMP}" >> "$GITHUB_ENV"
+fi
+
+# Close the log message group which was opened above
+echo "::endgroup::"
diff --git a/.forgejo/install-emacs/install.sh b/.forgejo/install-emacs/install.sh
new file mode 100755
index 0000000..42bd940
--- /dev/null
+++ b/.forgejo/install-emacs/install.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+# Users should use install-nix-action if they want to customise how Nix is installed.
+
+set -euo pipefail
+
+if ! type -p nix &>/dev/null ; then
+    env INPUT_EXTRA_NIX_CONFIG= \
+        INPUT_INSTALL_OPTIONS= \
+        INPUT_INSTALL_URL= \
+        INPUT_NIX_PATH="nixpkgs=channel:nixos-unstable" \
+        INPUT_ENABLE_KVM=true \
+        "$(dirname "$0")"/install-nix.sh
+    # Make the installed Nix immediately available here
+    source "$GITHUB_ENV"
+    while IFS= read -r dir; do PATH="$dir:$PATH"; done < "$GITHUB_PATH"
+fi
+
+echo "::group::Configuring build cache and installing Emacs"
+nix profile install --accept-flake-config "github:purcell/nix-emacs-ci#emacs-${INPUT_VERSION/./-}"
+echo "::endgroup::"
diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
new file mode 100644
index 0000000..7ced8e7
--- /dev/null
+++ b/.forgejo/workflows/ci.yml
@@ -0,0 +1,41 @@
+on: [push]
+jobs:
+  test:
+    name: Test on ${{matrix.emacs-version}}
+    runs-on: docker
+    strategy:
+      matrix:
+        node: ["20"]
+        emacs-version: ["snapshot", "28.2", "29.4"]
+
+    steps:
+      - name: Checkout
+        uses: https://code.forgejo.org/actions/checkout@v4
+
+      - name: Setup NodeJS
+        uses: https://code.forgejo.org/actions/setup-node@v4
+        with:
+          node-version: ${{matrix.node}}
+
+      - name: Install ripgrep
+        run: apt-get update -qq && apt-get install ripgrep -y
+
+      - name: Setup emacs
+        uses: ./.forgejo/install-emacs
+        with:
+          version: ${{ matrix.emacs-version }}
+
+      - name: Install eask
+        run: npm install -g @emacs-eask/cli
+
+      - name: Install deps
+        run: eask install-deps --dev
+
+      - name: Run tests
+        run: eask test buttercup
+
+      - name: Build package to dist
+        run: eask package
+
+      - name: Uninstall eask
+        run: npm uninstall -g @emacs-eask/cli
diff --git a/.gitignore b/.gitignore
index 1304fa2..edf700e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 *.elc
-/.cask/
+/.eask/
+/dist/
diff --git a/Cask b/Cask
deleted file mode 100644
index ce1fddc..0000000
--- a/Cask
+++ /dev/null
@@ -1,10 +0,0 @@
-(source gnu)
-(source melpa)
-
-(package-file "counsel-projectile.el")
-
-(files "*.el")
-
-(development
- (depends-on "counsel")
- (depends-on "projectile"))
diff --git a/Eask b/Eask
new file mode 100644
index 0000000..53d1357
--- /dev/null
+++ b/Eask
@@ -0,0 +1,18 @@
+(package "counsel-projectile"
+         "0.4.0"
+         "Ivy integration for Projectile")
+
+(website-url "https://git.icejam.ee/maciej/counsel-projectile")
+(keywords "project" "convenience")
+
+(package-file "counsel-projectile.el")
+
+(source "gnu")
+(source "melpa")
+
+(depends-on "emacs" "26.1")
+(depends-on "projectile")
+(depends-on "counsel")
+
+(development
+ (depends-on "buttercup"))
diff --git a/Makefile b/Makefile
index d473676..eb4e300 100644
--- a/Makefile
+++ b/Makefile
@@ -1,14 +1,13 @@
 emacs ?= emacs
-CASK = ~/.cask/bin/cask
-BEMACS = $(emacs) -batch -l targets/elpa.el
+EASK ?= eask
 
 all: compile
 
-cask:
-	$(CASK)
+eask:
+	$(EASK)
 
 compile:
-	$(BEMACS) -l targets/compile.el
+	$(EASK) compile
 
 .PHONY: all compile clean cask
 
diff --git a/counsel-projectile.el b/counsel-projectile.el
index 81b6b01..a13d618 100644
--- a/counsel-projectile.el
+++ b/counsel-projectile.el
@@ -3,10 +3,10 @@
 ;; Copyright (C) 2016-2021 Eric Danan
 
 ;; Author: Eric Danan
-;; URL: https://github.com/ericdanan/counsel-projectile
+;; URL: https://git.icejam.ee/maciej/counsel-projectile
 ;; Keywords: project, convenience
-;; Version: 0.3.2
-;; Package-Requires: ((counsel "0.13.4") (projectile "2.5.0"))
+;; Version: 0.4.0
+;; Package-Requires: ((counsel "0.13.4") (projectile "2.5.0") (emacs "26.1"))
 
 ;; This file is NOT part of GNU Emacs.
 
@@ -58,7 +58,7 @@
 with default value ACTION, to be used as `:action' parameter for
 COMMAND's `ivy-read' call.
 
-This variable holds either a single action function, or an action
+;; This variable holds either a single action function, or an action
 list whose first element is the index of the default action in
 the list and the remaining elements are the actions (a key, a
 function, and a name for each action)."
@@ -348,7 +348,7 @@ on `counsel-find-file-ignore-regexp'."
         ;; We apply `counsel--find-file-matcher' to `cands' so we can
         ;; honor `ivy-use-ignore', but we don't need to filter
         ;; again.
-        (counsel--find-file-matcher nil cands))))     
+        (counsel--find-file-matcher nil cands))))
 
 (defun counsel-projectile-find-file-action (file)
   "Find FILE and run `projectile-find-file-hook'."
@@ -450,7 +450,7 @@ The sorting function can be modified by adding an entry for
    ("p" counsel-projectile-find-dir-action-switch-project
     "switch project"))
  'counsel-projectile)
- 
+
 (defun counsel-projectile--project-directories ()
   "Return a list of current project's directories."
   (if projectile-find-dir-includes-top-level
@@ -923,7 +923,7 @@ is called with a `\\[universal-argument]' prefix argument."
                         (projectile--globally-ignored-file-suffixes-glob)
                         (projectile-ignored-files-rel)
                         (projectile-ignored-directories-rel))
-                       " "))        
+                       " "))
            (counsel-rg-base-command
             (let ((counsel-ag-command counsel-rg-base-command))
               (counsel--format-ag-command ignored "%s"))))
@@ -1110,7 +1110,7 @@ The format is the same as in `org-capture-templates-contexts'."
   "Switch project action for `counsel-projectile-org-capture'."
   (setq org-capture-templates counsel-projectile--org-capture-templates-backup)
   (counsel-projectile-switch-project 'counsel-projectile-switch-project-action-org-capture))
-  
+
 ;;;###autoload
 (defun counsel-projectile-org-capture (&optional from-buffer)
   "Capture into the current project.
@@ -1576,7 +1576,7 @@ files."
   (if (member name counsel-projectile--buffers)
       (ivy--kill-buffer-action name)
     (counsel-projectile-find-file-action-delete name)))
-  
+
 (defun counsel-projectile-action-find-file-manually (name)
   "Call `counsel-find-file' from default directory of buffer
 directory of file named NAME."
diff --git a/targets/compile.el b/targets/compile.el
deleted file mode 100644
index 06ed493..0000000
--- a/targets/compile.el
+++ /dev/null
@@ -1,3 +0,0 @@
-(setq files '("counsel-projectile.el"))
-(setq byte-compile--use-old-handlers nil)
-(mapc #'byte-compile-file files)
diff --git a/targets/elpa.el b/targets/elpa.el
deleted file mode 100644
index 3e15e4e..0000000
--- a/targets/elpa.el
+++ /dev/null
@@ -1,6 +0,0 @@
-(setq package-user-dir
-      (expand-file-name (format ".cask/%s/elpa" emacs-version)))
-(package-initialize)
-(message "ELPA dir: %S" package-user-dir)
-(add-to-list 'load-path default-directory)
-
diff --git a/tests/test-counsel-projectile.el b/tests/test-counsel-projectile.el
new file mode 100644
index 0000000..f6a2e82
--- /dev/null
+++ b/tests/test-counsel-projectile.el
@@ -0,0 +1,73 @@
+;;; test-counsel-projectile.el --- Buttercup tests for counsel-projectile  -*- lexical-binding: t; -*-
+;;; Commentary:
+;;; Code:
+(require 'counsel-projectile)
+(require 'buttercup)
+
+;; Example test!
+(describe "counsel-projectile-switch-project"
+  (before-each
+    (spy-on 'ivy-read)
+    (spy-on 'projectile-project-root :and-return-value "/usr/fake-project")
+    (setq
+      projectile-known-projects '("/usr/fake-project" "~/some-project")
+      counsel-projectile-switch-project-action 'counsel-projectile-switch-project-action))
+
+  (it "calls ivy-read"
+    (counsel-projectile-switch-project)
+    (expect 'projectile-project-root :to-have-been-called)
+    (expect
+      'ivy-read
+      :to-have-been-called-with
+      "[fake-project] Switch to project: "
+      '("/usr/fake-project" "~/some-project")
+      :preselect "/usr/fake-project"
+      :action 'counsel-projectile-switch-project-action
+      :require-match t
+      :sort nil
+      :caller 'counsel-projectile-switch-project)))
+
+(describe "counsel-projectile-rg"
+  (before-each
+    (spy-on 'ivy-read)
+    (spy-on 'projectile-project-root :and-return-value "/usr/fake-project"))
+
+  (it "calls ivy-read"
+    (counsel-projectile-rg)
+    (expect
+      'ivy-read
+      :to-have-been-called-with
+      "[fake-project] rg: "
+      'counsel-ag-function
+      :initial-input nil
+      :dynamic-collection t
+      :keymap '(keymap
+                 (24 keymap (4 . counsel-cd))
+                 (67108903 . swiper-avy)
+                 (27 keymap (113 . counsel-git-grep-query-replace))
+                 (12 . ivy-call-and-recenter))
+      :history 'counsel-git-grep-history
+      :action 'counsel-git-grep-action
+      :require-match t
+      :caller 'counsel-rg)))
+
+(describe "counsel-projectile-find-file"
+  (before-each
+    (spy-on 'ivy-read)
+    (spy-on 'projectile-project-root :and-return-value user-emacs-directory))
+
+  (it "calls ivy-read"
+    (counsel-projectile-find-file)
+    (expect
+      'ivy-read
+      :to-have-been-called-with (format "[%s] Find file: " emacs-version)
+      nil
+      :matcher 'counsel-projectile--find-file-matcher
+      :require-match t
+      :sort nil
+      :action counsel-projectile-find-file-action
+      :caller 'counsel-projectile-find-file)))
+;; Local Variables:
+;; no-byte-compile: t
+;; End:
+;;; test-counsel-projectile.el ends here