$ git clone -n https://src.fedoraproject.org/rpms/perl-DBIx-Class-TimeStamp.git /var/lib/mock/f45-build-22787-594/root/chroot_tmpdir/scmroot/perl-DBIx-Class-TimeStamp
Cloning into '/var/lib/mock/f45-build-22787-594/root/chroot_tmpdir/scmroot/perl-DBIx-Class-TimeStamp'...
$ git fetch origin b3d35dcc6017aaab571e7a8fdb35d5c6125efb19:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-DBIx-Class-TimeStamp
 * [new ref]         b3d35dcc6017aaab571e7a8fdb35d5c6125efb19 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b3d35dc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild