check if the latest version

Author: eitsupi

test/dart/test.sh

@@ -2,6 +2,26 @@
 set -e
 source dev-container-features-test-lib
 
-check 'dart' dart --version
+# Clean up
+rm -rf /var/lib/apt/lists/*
+
+apt_get_update() {
+    if [ "$(find /var/lib/apt/lists/* | wc -l)" = "0" ]; then
+        echo "Running apt-get update..."
+        apt-get update -y
+    fi
+}
+
+check_packages() {
+    if ! dpkg -s "$@" >/dev/null 2>&1; then
+        apt_get_update
+        apt-get -y install --no-install-recommends "$@"
+    fi
+}
+
+check_packages git
+LATEST_VERSION="$(git ls-remote --tags https://github.com/dart-lang/sdk | grep -oP "[0-9]+\\.[0-9]+\\.[0-9]+" | sort -V | tail -n 1)"
+
+check 'dart' dart --version | grep "${LATEST_VERSION}"
 
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