$ git clone -n https://src.fedoraproject.org/rpms/perl-Plack-Middleware-ForceEnv.git /var/lib/mock/f45-build-25811-613/root/chroot_tmpdir/scmroot/perl-Plack-Middleware-ForceEnv
Cloning into '/var/lib/mock/f45-build-25811-613/root/chroot_tmpdir/scmroot/perl-Plack-Middleware-ForceEnv'...
$ git fetch origin 6956ae58e11dd22047522f14aca677b38004a8f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Plack-Middleware-ForceEnv
 * [new ref]         6956ae58e11dd22047522f14aca677b38004a8f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6956ae5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild