$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Server-Simple-PSGI.git /var/lib/mock/f45-build-24045-601/root/chroot_tmpdir/scmroot/perl-HTTP-Server-Simple-PSGI
Cloning into '/var/lib/mock/f45-build-24045-601/root/chroot_tmpdir/scmroot/perl-HTTP-Server-Simple-PSGI'...
$ git fetch origin 6fb733f63b8e0b5e355f1287a0c969a699c24cbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Server-Simple-PSGI
 * [new ref]         6fb733f63b8e0b5e355f1287a0c969a699c24cbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6fb733f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild