#!/usr/bin/env bash
+set -u
+
# Test that src and dest trees are as identical as bup is capable of
# making them. For now, use rsync -niaHAX ...
esac
fi
+xattrs_available=''
if [[ ! "$rsync_version" =~ "xattrs" ]] || [[ "$rsync_version" =~ "no xattrs" ]]; then
echo "Not comparing xattrs (not supported by available rsync)" 1>&2
else
- rsync_opts="$rsync_opts -X"
+ xattrs_available=yes
fi
-rsync $rsync_opts "$src" "$dest" > "$tmpfile" || exit $?
+# Even in dry-run mode, rsync may fail if -X is specified and the
+# filesystems don't support xattrs.
+
+if test "$xattrs_available"; then
+ rsync $rsync_opts -X "$src" "$dest" > "$tmpfile"
+ if test $? -ne 0; then
+ # Try again without -X
+ rsync $rsync_opts "$src" "$dest" > "$tmpfile" || exit $?
+ fi
+else
+ rsync $rsync_opts "$src" "$dest" > "$tmpfile" || exit $?
+fi
if test $(wc -l < "$tmpfile") != 0; then
echo "Differences between $src and $dest" 1>&2