$ git clone -n https://src.fedoraproject.org/rpms/perl-LWP-Protocol-PSGI.git /var/lib/mock/f45-build-24338-603/root/chroot_tmpdir/scmroot/perl-LWP-Protocol-PSGI
Cloning into '/var/lib/mock/f45-build-24338-603/root/chroot_tmpdir/scmroot/perl-LWP-Protocol-PSGI'...
$ git fetch origin fb39d49dac46247e7e8fedc98cb9ef55dce1c0b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-LWP-Protocol-PSGI
 * [new ref]         fb39d49dac46247e7e8fedc98cb9ef55dce1c0b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb39d49 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild