$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-Eksblowfish.git /var/lib/mock/f41-build-816993-150570/root/chroot_tmpdir/scmroot/perl-Crypt-Eksblowfish
Cloning into '/var/lib/mock/f41-build-816993-150570/root/chroot_tmpdir/scmroot/perl-Crypt-Eksblowfish'...
$ git fetch origin 402b5de632ced46f28bf80e0eb8defcde33ca234:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-Eksblowfish
 * [new ref]         402b5de632ced46f28bf80e0eb8defcde33ca234 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 402b5de Perl 5.40 rebuild