$ git clone -n https://src.fedoraproject.org/rpms/kronometer.git /var/lib/mock/f39-build-1703251-41216/root/chroot_tmpdir/scmroot/kronometer
Cloning into '/var/lib/mock/f39-build-1703251-41216/root/chroot_tmpdir/scmroot/kronometer'...
$ git fetch origin d96e70bcc5eaedd28fd5bbc49fc18ab4ca908cb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kronometer
 * [new ref]         d96e70bcc5eaedd28fd5bbc49fc18ab4ca908cb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d96e70b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild