Compile code samples

.ci-scripts/check-ci-samples.bash

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+#!/bin/bash
+
+set -e
+set -u
+
+cd ./code-samples/
+files=$(ls | wc -l)
+echo "Check $files files …"
+failedFiles=()
+notRunnable=0
+i=0
+for file in *.pony; do
+    ((i++))
+    percentage=$(((i*100)/files))
+    echo -e "#$i Test $file … ($i/$files \u2192 $percentage %)"
+    docker run -v $(pwd):/src/main docker://ghcr.io/ponylang/ponyc:latest
+done
+runnableFiles=$((files-notRunnable))
+if [ "${#failedFiles[@]}" != 0 ]; then
+    echo  -e "\e[1;31m💥 ${#failedFiles[@]}/$runnableFiles file(s) ($files total) had errors\e[0m"
+    exit 1
+else
+    echo -e "\e[1;32m🎉 All $files files ($runnableFiles runnable) were checked successfully\e[0m"
+    exit 0
+fi

.ci-scripts/setup-ponyc.bash

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+# Add Docker's official GPG key:
+sudo apt-get update
+sudo apt-get install ca-certificates curl
+sudo install -m 0755 -d /etc/apt/keyrings
+sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+sudo chmod a+r /etc/apt/keyrings/docker.asc
+
+# Add the repository to Apt sources:
+echo \
+  "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
+  $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | \
+  sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+sudo apt-get update
+
+sudo apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
+
+docker pull docker://ghcr.io/ponylang/ponyc:latest

.github/workflows/check-code-samples.yml

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+name: Check code samples
+
+on:
+    pull_request:
+    push:
+
+jobs:
+    check-code-samples:
+        name: Check code samples
+        runs-on: ubuntu-latest
+        steps:
+            - name: Check out repository code
+              uses: actions/checkout@v4
+            - name: Setup ponyc
+              run: ${GITHUB_WORKSPACE}/.ci-scripts/setup-ponyc.bash
+            - name: Check code samples
+              run: ${GITHUB_WORKSPACE}/.ci-scripts/check-code-samples.bash