$ git clone -n https://src.fedoraproject.org/rpms/perl-CGI-Deurl-XS.git /var/lib/mock/f45-build-21991-589/root/chroot_tmpdir/scmroot/perl-CGI-Deurl-XS
Cloning into '/var/lib/mock/f45-build-21991-589/root/chroot_tmpdir/scmroot/perl-CGI-Deurl-XS'...
$ git fetch origin 11c99b3f810f8da20eaf6ddc7138008d6a6107b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CGI-Deurl-XS
 * [new ref]         11c99b3f810f8da20eaf6ddc7138008d6a6107b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11c99b3 Perl 5.44 rebuild