$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Build-Deprecated.git /var/lib/mock/f45-build-24763-606/root/chroot_tmpdir/scmroot/perl-Module-Build-Deprecated
Cloning into '/var/lib/mock/f45-build-24763-606/root/chroot_tmpdir/scmroot/perl-Module-Build-Deprecated'...
$ git fetch origin 55437b283239f52379d1b4a92f8fdb8051d0c2d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Build-Deprecated
 * [new ref]         55437b283239f52379d1b4a92f8fdb8051d0c2d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55437b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild