$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-PSGI.git /var/lib/mock/f45-build-22037-589/root/chroot_tmpdir/scmroot/perl-CGI-PSGI
Cloning into '/var/lib/mock/f45-build-22037-589/root/chroot_tmpdir/scmroot/perl-CGI-PSGI'...
$ git fetch origin 9ee77679aa23a12d155e0b6280ca184215480090:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-PSGI
 * [new ref]         9ee77679aa23a12d155e0b6280ca184215480090 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ee7767 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild