$ git clone -n https://src.fedoraproject.org/rpms/libvirt-test-API.git /var/lib/mock/f42-build-3275530-41321/root/chroot_tmpdir/scmroot/libvirt-test-API
Cloning into '/var/lib/mock/f42-build-3275530-41321/root/chroot_tmpdir/scmroot/libvirt-test-API'...
$ git fetch origin 492ea1edd810c5976127c0f4a82f9ebd53c4eba2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvirt-test-API
 * [new ref]         492ea1edd810c5976127c0f4a82f9ebd53c4eba2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 492ea1e Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild