sumshit

customscripts/dump_compressed_img_file.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e # fail explicitly on any error
+
+# todo: interactive, cli options
+disk=/dev/sda
+outname="disk_image_$(date +%Y-%m-%d-%H%M-%Z)"
+outname="$outname.img.xz"
+
+# do the disk image dump using inline xz
+echo "runnin inline xz on $disk to file $outname"
+sudo dd if=$disk status=progress bs=1M | xz -c > "$outname"
+
+# test xz integrity
+echo "testing disk image integrity"
+xz -t -v "$outname"
+
+# make the sha256 file
+echo "generating sha256 checksum file"
+sha256sum "$outname" | tee "$outname.sha256"
+
+echo "all donesies :3"