$ git clone -n https://src.fedoraproject.org/rpms/perl-URI-Find-Simple.git /var/lib/mock/f45-build-27297-622/root/chroot_tmpdir/scmroot/perl-URI-Find-Simple
Cloning into '/var/lib/mock/f45-build-27297-622/root/chroot_tmpdir/scmroot/perl-URI-Find-Simple'...
$ git fetch origin f82b5f7bad6fed99a8848b9582e84f1f06371ab0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-URI-Find-Simple
 * [new ref]         f82b5f7bad6fed99a8848b9582e84f1f06371ab0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f82b5f7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild