$ git clone -n https://src.fedoraproject.org/rpms/xapian-bindings.git /var/lib/mock/f42-build-865217-172845/root/chroot_tmpdir/scmroot/xapian-bindings
Cloning into '/var/lib/mock/f42-build-865217-172845/root/chroot_tmpdir/scmroot/xapian-bindings'...
$ git fetch origin 9b2702b5a380c03b94f7810cd86bfa6c4e0b7a14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xapian-bindings
 * [new ref]         9b2702b5a380c03b94f7810cd86bfa6c4e0b7a14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b2702b Rebuilt for https://fedoraproject.org/wiki/Changes/Ruby_3.4