$ git clone -n https://src.fedoraproject.org/rpms/perl-Sub-Quote.git /var/lib/mock/f45-build-26427-617/root/chroot_tmpdir/scmroot/perl-Sub-Quote
Cloning into '/var/lib/mock/f45-build-26427-617/root/chroot_tmpdir/scmroot/perl-Sub-Quote'...
$ git fetch origin 151249ce68363b6c94b483f6e4c8629b884de33c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sub-Quote
 * [new ref]         151249ce68363b6c94b483f6e4c8629b884de33c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 151249c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild