add script to detect possible leaks of exams through git

1 files changed, 19 insertions, 0 deletions

diff --git a/scripts/detect-leak b/scripts/detect-leak
new file mode 100755
index 00000000..f27b11cc
--- /dev/null
+++ b/scripts/detect-leak
@@ -0,0 +1,19 @@
+#!/bin/sh
+
+for f in "$@"; do
+	
+	if ! printf "%s" "$f" | grep -q test; then
+		continue
+	fi
+
+	if ! grep -q '\\Datum' "$f"; then
+		continue
+	fi
+
+	datum="$(sed -n -r -e 's/\\Datum\{([[:digit:]]{2})\.([[:digit:]]{2})\.([[:digit:]]{4})\}/\3-\2-\1/p' "$f")"
+	today="$(date +%s)"
+	if [ "$(date -d"${datum}" +%s)" -gt "${today}" ]; then
+		echo Test "${f}" am "${datum}" liegt in der Zukunft >&2
+		exit 1
+	fi
+done