From 91900a323ca89592c200e55dc8afc65c8a9abe3a Mon Sep 17 00:00:00 2001
From: Mirek Kratochvil <miroslav.kratochvil@uni.lu>
Date: Thu, 22 Jun 2023 11:29:39 +0200
Subject: [PATCH] add a script for sourcing the timestamps from gits

Fixes #2
---
 scripts/source-timestamps.sh | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100755 scripts/source-timestamps.sh

diff --git a/scripts/source-timestamps.sh b/scripts/source-timestamps.sh
new file mode 100755
index 0000000..74ff9f0
--- /dev/null
+++ b/scripts/source-timestamps.sh
@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# change this with environment
+DEFAULT_NOT_SOURCE_REGEX="/\\/assets\\//"
+NOT_SOURCE_REGEX="${NOT_SOURCE_REGEX:-$DEFAULT_NOT_SOURCE_REGEX}"
+TIMESTAMP_SUFFIX="${SUFFIX:-.timestamp}"
+LOGFILE="${LOGFILE:-/dev/null}"
+
+[ -z "$1" ] && echo "$0: no inputs specified?" >/dev/stderr
+
+while [ -n "$1" ]
+do
+	echo "sourcing directory '$1' ..." >> "$LOGFILE"
+	find "$1" -type f -name '*.md' | grep -v "$NOT_SOURCE_REGEX" | while read file ; do
+		fn=`basename "$file"`
+		dir=`dirname "$file"`
+		tsfn="$fn.timestamp"
+		(
+			echo "making timestamp in '$dir' for file '$fn' ..." >> "$LOGFILE"
+			cd "$dir"
+			if [ -f "$tsfn" ]
+			then echo "... but it already exists; skipping!" >> "$LOGFILE"
+			else git log -n 1 --pretty=format:%cs -- "$fn" > "$tsfn"
+			fi
+		)
+	done
+	shift
+done