$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk2-AppIndicator.git /var/lib/mock/f45-build-23830-599/root/chroot_tmpdir/scmroot/perl-Gtk2-AppIndicator
Cloning into '/var/lib/mock/f45-build-23830-599/root/chroot_tmpdir/scmroot/perl-Gtk2-AppIndicator'...
$ git fetch origin d0550c3897ed1e6f616c76916c393df7dc9be90a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gtk2-AppIndicator
 * [new ref]         d0550c3897ed1e6f616c76916c393df7dc9be90a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d0550c3 Perl 5.44 rebuild