1 files changed, 58 insertions, 0 deletions
diff --git a/contrib/s3ql_backup.sh b/contrib/s3ql_backup.sh
new file mode 100755
index 0000000..4ac5849
--- /dev/null
+++ b/contrib/s3ql_backup.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# Abort entire script if any command fails
+set -e
+
+# Backup destination  (storage url)
+bucket="s3://my_backup_bucket"
+
+# Recover cache if e.g. system was shut down while fs was mounted
+fsck.s3ql --batch "$bucket"
+
+# Create a temporary mountpoint and mount file system
+mountpoint="/tmp/s3ql_backup_$$"
+mkdir "$mountpoint"
+mount.s3ql "$bucket" "$mountpoint"
+
+# Make sure the file system is unmounted when we are done
+trap "cd /; umount.s3ql '$mountpoint'; rmdir '$mountpoint'" EXIT
+
+# Figure out the most recent backup
+cd "$mountpoint"
+last_backup=`python <<EOF
+import os
+import re
+backups=sorted(x for x in os.listdir('.') if re.match(r'^[\\d-]{10}_[\\d:]{8}$', x))
+if backups:
+    print backups[-1]
+EOF`
+
+# Duplicate the most recent backup unless this is the first backup
+new_backup=`date "+%Y-%m-%d_%H:%M:%S"`
+if [ -n "$last_backup" ]; then
+    echo "Copying $last_backup to $new_backup..."
+    s3qlcp "$last_backup" "$new_backup"
+
+    # Make the last backup immutable
+    # (in case the previous backup was interrupted prematurely)
+    s3qllock "$last_backup"
+fi
+
+# ..and update the copy
+rsync -aHAXx --delete-during --delete-excluded --partial -v \
+    --exclude /.cache/ \
+    --exclude /.s3ql/ \
+    --exclude /.thumbnails/ \
+    --exclude /tmp/ \
+    "/home/my_username/" "./$new_backup/"
+
+# Make the new backup immutable
+s3qllock "$new_backup"
+
+# Expire old backups
+
+# Note that expire_backups.py comes from contrib/ and is not installed
+# by default when you install from the source tarball. If you have
+# installed an S3QL package for your distribution, this script *may*
+# be installed, and it *may* also not have the .py ending.
+expire_backups.py --use-s3qlrm 1 7 14 31 90 180 360