[build] Use SOURCE_DATE_EPOCH for .iso timestamps if it exists
Originally-implemented-by: Bernhard M. Wiedemann <bwiedemann@suse.de>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
diff --git a/src/util/genfsimg b/src/util/genfsimg
index 1a0517c..3c8b0c8 100755
--- a/src/util/genfsimg
+++ b/src/util/genfsimg
@@ -240,6 +240,16 @@
else
FATIMG=
fi
+ if [ -n "${SOURCE_DATE_EPOCH:-}" ] ; then
+ DATE_FMT="+%Y%m%d%H%M%S00"
+ BUILD_DATE=$(date -u -d "@${SOURCE_DATE_EPOCH}" "${DATE_FMT}" \
+ 2>/dev/null || \
+ date -u -r "${SOURCE_DATE_EPOCH}" "${DATE_FMT}" \
+ 2>/dev/null || \
+ date -u "${DATE_FMT}")
+ ISOARGS="${ISOARGS} --set_all_file_dates ${BUILD_DATE}"
+ ISOARGS="${ISOARGS} --modification-date=${BUILD_DATE}"
+ fi
fi
# Create FAT filesystem image, if applicable
