$ git clone -n https://src.fedoraproject.org/rpms/perl-Crypt-Eksblowfish.git /var/lib/mock/f45-build-22594-593/root/chroot_tmpdir/scmroot/perl-Crypt-Eksblowfish
Cloning into '/var/lib/mock/f45-build-22594-593/root/chroot_tmpdir/scmroot/perl-Crypt-Eksblowfish'...
$ git fetch origin ac32ef2ed08f49c3b9c4342b4be8fde4bc8ff9ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Crypt-Eksblowfish
 * [new ref]         ac32ef2ed08f49c3b9c4342b4be8fde4bc8ff9ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac32ef2 Perl 5.44 rebuild