Allow commit id as revision

Signed-off-by: thepetk <[email protected]>

Author: thepetk

build-tools/cache_samples.sh

@@ -15,10 +15,9 @@ function clone_sample_repo() {
   local repoUrl="$1"
   local repoOutputDir="$2"
   local repoRevision="$3"
-  if [[ $revision == "null" ]]; then
-    git clone $repoUrl $repoOutputDir
-  else
-    git clone --single-branch --branch $repoRevision $repoUrl $repoOutputDir
+  git clone $repoUrl $repoOutputDir
+  if [[ $repoRevision != "null" ]]; then
+    git checkout $repoRevision
   fi
 }