$ git clone -n https://src.fedoraproject.org/rpms/tart.git /var/lib/mock/f42-build-3234200-41196/root/chroot_tmpdir/scmroot/tart
Cloning into '/var/lib/mock/f42-build-3234200-41196/root/chroot_tmpdir/scmroot/tart'...
$ git fetch origin 05fa15967515d5ad23c3a1dd7aec1e6afc658b6f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tart
 * [new ref]         05fa15967515d5ad23c3a1dd7aec1e6afc658b6f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05fa159 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild