buildkite: Add repository post-checkout hook to upload bzImage

A pre-compiled bzImage is needed for bzImage loader unit test,
add this hook to prepare it in CI environment by downloading
and extracting it in specified path for later test.

Signed-off-by: Cathy Zhang <cathy.zhang@intel.com>

Author: bjzhjing

.buildkite/hooks/post-checkout

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+DEB_NAME="linux-image-4.9.0-9-amd64_4.9.168-1_amd64.deb"
+DEB_URL="http://ftp.debian.org/debian/pool/main/l/linux/${DEB_NAME}"
+
+REPO_PATH="${BUILDKITE_BUILD_CHECKOUT_PATH}/linux-loader"
+DEB_PATH="${REPO_PATH}/${DEB_NAME}"
+EXTRACT_PATH="${REPO_PATH}/src/bzimage-archive"
+BZIMAGE_PATH="${EXTRACT_PATH}/boot/vmlinuz-4.9.0-9-amd64"
+
+mkdir -p ${EXTRACT_PATH}
+
+wget $DEB_URL -P ${REPO_PATH}
+dpkg-deb -x ${DEB_PATH} ${EXTRACT_PATH}
+
+mv ${BZIMAGE_PATH} ${REPO_PATH}/src/loader/bzimage
+rm -r ${EXTRACT_PATH}
+rm -f ${DEB_PATH}
+

src/loader/mod.rs

@@ -377,7 +377,7 @@ mod test {
     #[allow(non_snake_case)]
     fn make_bzImage() -> Vec<u8> {
         let mut v = Vec::new();
-        v.extend_from_slice(include_bytes!("bzImage"));
+        v.extend_from_slice(include_bytes!("bzimage"));
         v
     }