Update Actions caching and add workflow to validate Gradle wrapper (#754)

1 files changed, 23 insertions, 0 deletions

diff --git a/.github/checksum.sh b/.github/checksum.sh
new file mode 100755
index 00000000..a1c7791a
--- /dev/null
+++ b/.github/checksum.sh
@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+RESULT_FILE=$1
+
+if [ -f $RESULT_FILE ]; then
+  rm $RESULT_FILE
+fi
+touch $RESULT_FILE
+
+checksum_file() {
+  echo $(sha256sum $1 | awk '{print $1}')
+}
+
+FILES=()
+while read -r -d ''; do
+	FILES+=("$REPLY")
+done < <(find . -type f \( -name "build.gradle*" -o -name "dependencies.gradle" -o -name "gradle-wrapper.properties" \) -print0)
+
+# Loop through files and append MD5 to result file
+for FILE in ${FILES[@]}; do
+	echo $(checksum_file $FILE) >> $RESULT_FILE
+done
+# Now sort the file so that it is
+sort $RESULT_FILE -o $RESULT_FILE