$ git clone -n https://src.fedoraproject.org/rpms/libpeas.git /var/lib/mock/f42-build-side-1-3517572-46098/root/chroot_tmpdir/scmroot/libpeas
Cloning into '/var/lib/mock/f42-build-side-1-3517572-46098/root/chroot_tmpdir/scmroot/libpeas'...
$ git fetch origin 4508224dc6c4c24fac040822a8fc1622e7a79265:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpeas
 * [new ref]         4508224dc6c4c24fac040822a8fc1622e7a79265 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4508224 Update to 2.0.7