Make script safe against running twice
diff --git a/move-to-ci-builds/change-links.sh b/move-to-ci-builds/change-links.sh
index 5d7d6ef..082ff90 100755
--- a/move-to-ci-builds/change-links.sh
+++ b/move-to-ci-builds/change-links.sh
@@ -1,5 +1,11 @@
#!/bin/bash
-sed 's/builds.apache/ci-builds.apache/g' \
+function fatal() {
+ echo $* >&2
+ exit 1
+}
+
+( awk '{if ($0 ~ /ci-builds/) { exit 1 } ; print $0 }' || fatal "Input was already processed?" ) \
+| sed 's/builds.apache/ci-builds.apache/g' \
| sed 's/Sling\/job/Sling\/job\/modules\/job/g' \
| sed 's/test_results_analyzer/lastCompletedBuild\/testReport/g' \
| sed -E 's/buildStatus.icon[^\/]+\/([^\/]+)\/([a-z]+)/job\/Sling\/job\/modules\/job\/\1\/job\/\2\/badge\/icon/g'
\ No newline at end of file
