fix(release): refuse to run if the snapshot version is not updated

Signed-off-by: Pablo Barbáchano <pablob@amazon.com>

tools/release-prepare.sh

@@ -6,6 +6,14 @@
 set -eu -o pipefail
 set -x
 
+function check_snapshot_version {
+    local version=$1
+    local snap_version=$(echo $version |cut -f-2 -d. |tr . _)
+    if ! grep FC_V${snap_version}_SNAP_VERSION src/vmm/src/version_map.rs; then
+       die "I couldn't find FC_V${snap_version}_SNAP_VERSION in src/vmm/src/version_map.rs"
+    fi
+}
+
 FC_TOOLS_DIR=$(dirname $(realpath $0))
 source "$FC_TOOLS_DIR/functions"
 FC_ROOT_DIR=$FC_TOOLS_DIR/..
@@ -29,6 +37,7 @@ version=$1
 validate_version "$version"
 
 check_local_branch_is_release_branch
+check_snapshot_version "$version"
 
 # Create GitHub PR link
 ORIGIN_URL=$(git config --get remote.origin.url)