$ git clone -n https://src.fedoraproject.org/rpms/perl-Pango.git /var/lib/mock/f41-build-816271-150086/root/chroot_tmpdir/scmroot/perl-Pango
Cloning into '/var/lib/mock/f41-build-816271-150086/root/chroot_tmpdir/scmroot/perl-Pango'...
$ git fetch origin 77acce3dd4e0e33659d248525f1477f52264b42f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Pango
 * [new ref]         77acce3dd4e0e33659d248525f1477f52264b42f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77acce3 Perl 5.40 rebuild