$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-OAuth.git /var/lib/mock/f45-build-25330-610/root/chroot_tmpdir/scmroot/perl-Net-OAuth
Cloning into '/var/lib/mock/f45-build-25330-610/root/chroot_tmpdir/scmroot/perl-Net-OAuth'...
$ git fetch origin e2a81b36c7fb4c3d566df800fcddd360da78de3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-OAuth
 * [new ref]         e2a81b36c7fb4c3d566df800fcddd360da78de3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2a81b3 Rework dependencies