$ git clone -n https://src.fedoraproject.org/rpms/taxi.git /var/lib/mock/f39-build-1533138-36226/root/chroot_tmpdir/scmroot/taxi
Cloning into '/var/lib/mock/f39-build-1533138-36226/root/chroot_tmpdir/scmroot/taxi'...
$ git fetch origin 7efbb4b48502abb95ea314730dec90bede33d084:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/taxi
 * [new ref]         7efbb4b48502abb95ea314730dec90bede33d084 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7efbb4b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild