diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 88bd0e8..4bb2820 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,16 +1,18 @@
 name: 'Action test'
 
 on:
+  pull_request:
   push:
     branches:
       - master
+      - 'releases/*'
 
 jobs:
   ubuntu_2004:
     name: "Ubuntu Linux 20.04"
     runs-on: ubuntu-20.04
     steps:
-      - name: "Test action"
-        uses: whisperity/codechecker-analysis-action@master
+      - uses: actions/checkout@v2
+      - uses: ./
         with:
-          version: "test"
+          version: "master"
diff --git a/README.md b/README.md
index 0ab3690..bd4708f 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,14 @@ Objective-C) using the [Clang](http://clang.llvm.org/) infrastructure and
 
 ## Overview
 
-
+:warning: **This action has been written with commands that target Ubuntu-based distributions!**
 
 ## Action configuration
 
-~~~{.yaml}
+### Installing versions
+
+| Variable     | Default                                                          | Description                                                |
+|--------------|------------------------------------------------------------------|
+| `repository` | [`Ericsson/CodeChecker`](http://github.com/Ericsson/CodeChecker) | The CodeChecker repository to check out and build          |
+| `version`    | `master`                                                         | The branch, tag, or commit SHA in the `repository` to use. |
 
-~~~
diff --git a/action.yml b/action.yml
index 481601b..7546157 100644
--- a/action.yml
+++ b/action.yml
@@ -2,6 +2,10 @@ name: 'CodeChecker Static Analysis'
 author: 'Whisperity'
 description: 'Execute C/C++ static analysis of LLVM/Clang (Clang Static Analyzer and Clang-Tidy) driven via CodeChecker.'
 inputs:
+  repository:
+    description: 'The CodeChecker repository to check out and build from.'
+    required: true
+    default: 'Ericsson/CodeChecker'
   version:
     description: 'The version of the CodeChecker suite to obtain and execute. Might be a Git commit SHA, a branch name, or a tag.'
     required: true
@@ -9,7 +13,53 @@ inputs:
 runs:
   using: "composite"
   steps:
-    - name: "Test"
+    - name: "Check out repository ${{ inputs.repository }}"
+      uses: actions/checkout@v2
+      with:
+        repository: ${{ inputs.repository }}
+        path: CodeChecker
+        ref: ${{ inputs.version }}
+
+
+    - name: "Install dependencies of CodeChecker"
+      shell: bash
       run: |
-        echo "Foo"
-        echo ${{ inputs.version }}
+        sudo apt-get -qy update
+        sudo apt-get -y --no-install-recommends install \
+          build-essential \
+          curl \
+          gcc-multilib \
+          python3-dev \
+          python3-venv
+    - name: "Build and Package CodeChecker"
+      id: codechecker_build
+      env:
+        CODECHECKER_WILL_USE_WEB_API: false
+      shell: bash
+      run: |
+        if [[ "$CODECHECKER_WILL_USE_WEB_API" == "false" ]]; then
+          # If the job is only running analysis, do not spend time with building the API stuff!
+          echo "Building only 'analyzer' module..."
+          pushd CodeChecker/analyzer
+        else
+          echo "Building full CodeChecker package..."
+          pushd CodeChecker
+        fi
+
+        make venv
+        source venv/bin/activate
+        BUILD_UI_DIST=NO make standalone_package
+        deactivate
+
+        ./build/CodeChecker/bin/CodeChecker analyzer-version
+        if [[ "$CODECHECKER_WILL_USE_WEB_API" == "true" ]]; then
+          ./build/CodeChecker/bin/CodeChecker web-version
+        else
+          echo "CodeChecker 'web' package not built."
+        fi
+
+        echo "::set-output name=CODECHECKER_PATH::$(readlink -f ./build/CodeChecker/bin)"
+        echo "::set-output name=CODECHECKER_VERSION::$(./build/CodeChecker/bin/CodeChecker analyzer-version | grep 'Base package' | cut -d'|' -f 2 | tr -d ' ')"
+        echo "::set-output name=CODECHECKER_GITSEVEN::$(./build/CodeChecker/bin/CodeChecker analyzer-version | grep 'Git commit' | cut -d'|' -f 2 | cut -c 2-8)"
+
+        popd