1761838366

2025-10-30 09:32:46 -06:00
parent 500e541647
commit 16b42e5a31
1 changed files with 17 additions and 7 deletions
@@ -0,0 +1,71 @@
+#/bin/bash
+timestamp=`date +"%Y-%m-%d-%H%M-%S"`
+
+# handle filename
+if [ -z "$1" ]; then
+    imgname=$timestamp-pi.img
+else
+    imgname=$timestamp-$1.img
+fi
+
+xzname=$imgname.xz
+sizes=sizes-$imgname-$xzame.txt
+checksums=sha256sum-$imgname-$xzname.sha256
+
+# get real username (not root) if run with sudo
+if [ ! -z $SUDO_USER ]; then
+    username=$SUDO_USER
+else
+    username=$USER
+fi
+
+# get disk
+lsblk
+echo "Enter disk name (including /dev/) ex /dev/sdb"
+read dadisk
+
+# start
+webhook "starting copy $dadisk to $imgname to $xzname at $(date)($(date +%s))" true
+
+# copy disk
+sudo dd if=$dadisk of=$imgname bs=4M status=progress
+imgsize=$(du -h $imgname)
+
+# img sha256
+sha256sum $imgname | tee $checksums
+
+# shrink and compress the image
+webhook "Copied the disk to $imgname ($imgsize), compressing to $xzname"
+sudo pishrink.sh -Z -a $imgname
+xzsize=$(du -h $xzname)
+
+# xz sha256
+webhook "$imgname ($imgsize) shrunk to $xzname ($xzsize), calculating sha256 checksums..."
+sha256sum $xzname | tee -a $checksums
+
+# log filesizes
+webhook "saving sizes"
+echo -e "imgsize: $imgsize\nxzsize: $xzsize" | tee $sizes
+
+# change archive to be friendly perms
+webhook "changing perms"
+sudo chown $username:$username $xzname
+
+# test archive
+webhook "testing archive $xzname"
+xz -t $xzname
+ret=$?
+# if test fails
+if [ $ret -gt 0 ]; then
+    webhook "FAIL! ARCHIVE DES NOT CHECK return code: $ret EXITING"
+    exit 1
+# if test succeeds
+else
+    webhook "Archive Test SUCCESS"
+fi
+
+# finish and notify
+webhook "DONE\n\tdisk: $dadisk\n\timgname: $imgname ($imgsize)\n\txzname: $xzname ($xzsize)" true
+
+# schedule reboot in 1 minute
+sudo shutdown -r +1