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.github/workflows/checksum.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+RESULT_FILE=$1
+
+if [[ -f ${RESULT_FILE} ]]; then
+  rm ${RESULT_FILE}
+fi
+touch ${RESULT_FILE}
+
+checksum_file() {
+  echo $(openssl md5 $1 | awk '{print $2}')
+}
+
+FILES=()
+while read -r -d ''; do
+	FILES+=("$REPLY")
+done < <(find . -type f \( -name "build.gradle*" -o -name "settings.gradle*" -o -name "gradle-wrapper.properties" \) -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 idempotent.
+sort ${RESULT_FILE} -o ${RESULT_FILE}