$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Rules.git /var/lib/mock/f39-build-1439871-32292/root/chroot_tmpdir/scmroot/perl-XML-Rules
Cloning into '/var/lib/mock/f39-build-1439871-32292/root/chroot_tmpdir/scmroot/perl-XML-Rules'...
$ git fetch origin b22dfa7d8bcb2a2c05ed8f3259e4bc1f9621a5b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-Rules
 * [new ref]         b22dfa7d8bcb2a2c05ed8f3259e4bc1f9621a5b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b22dfa7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild