$ git clone -n https://src.fedoraproject.org/rpms/libnids.git /var/lib/mock/f45-build-16643-489/root/chroot_tmpdir/scmroot/libnids
Cloning into '/var/lib/mock/f45-build-16643-489/root/chroot_tmpdir/scmroot/libnids'...
$ git fetch origin 54fae1462020a2c9486cad5190eaed71b1522a11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libnids
 * [new ref]         54fae1462020a2c9486cad5190eaed71b1522a11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 54fae14 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild