[FLINK-13745][travis] Retain cache of most recent build

AdelinGhanaem · Aug 28, 2019 · b347bad · b347bad
1 parent 9d03fbd
commit b347bad
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/tools/travis_controller.sh b/tools/travis_controller.sh
@@ -80,8 +80,8 @@ function deleteOldCaches() {
 	done
 }
 
-# delete leftover caches from previous builds
-find "$CACHE_DIR" -mindepth 1 -maxdepth 1 | grep -v "$TRAVIS_BUILD_NUMBER" | deleteOldCaches
+# delete leftover caches from previous builds; except the most recent
+find "$CACHE_DIR" -mindepth 1 -maxdepth 1 | grep -v "$TRAVIS_BUILD_NUMBER" | sort -Vr | tail -n +2 | deleteOldCaches
 
 STAGE=$1
 echo "Current stage: \"$STAGE\""