SQCPPGHA-9 Extend action to support C, C++, and Objective-C projects (#161)

scripts/download.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+source "$(dirname -- "$0")/utils.sh"
+
+VERIFY_CORRECTNESS=false
+
+help() {
+  cat <<EOF
+Usage: ./download [-v]
+-h              Display help
+-v              Verify correctness of a download with SHA256 checksum; Optional
+EOF
+}
+
+parse_arguments() {
+  while getopts "hv" arg; do
+    case $arg in
+    v)
+      VERIFY_CORRECTNESS=true
+      echo "Verify correctness is set to true"
+      ;;
+    ?)
+      help
+      exit 0
+      ;;
+    esac
+  done
+}
+
+verify_download_correctness() {
+  echo "${EXPECTED_SHA} ${TMP_ZIP_PATH}" | sha256sum -c
+  check_status "Checking sha256 failed"
+}
+
+download() {
+  echo "Downloading '${DOWNLOAD_URL}'"
+  mkdir -p "${INSTALL_PATH}"
+  check_status "Failed to create ${INSTALL_PATH}"
+  curl -sSLo "${TMP_ZIP_PATH}" "${DOWNLOAD_URL}"
+  check_status "Failed to download '${DOWNLOAD_URL}'"
+}
+
+decompress() {
+  echo "Decompressing"
+  unzip -o -d "${INSTALL_PATH}" "${TMP_ZIP_PATH}"
+  check_status "Failed to unzip the archive into '${INSTALL_PATH}'"
+}
+
+####################################################################################
+
+echo "::group::Download ${DOWNLOAD_URL}"
+parse_arguments $@
+download
+if [ "$VERIFY_CORRECTNESS" = true ]; then
+  verify_download_correctness
+fi
+decompress
+echo "::endgroup::"