$ git clone -n https://src.fedoraproject.org/rpms/libpcap.git /var/lib/mock/f45-build-16750-490/root/chroot_tmpdir/scmroot/libpcap
Cloning into '/var/lib/mock/f45-build-16750-490/root/chroot_tmpdir/scmroot/libpcap'...
$ git fetch origin 72cd9ecf404e67c3290340de53b9393a07813ea0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libpcap
 * [new ref]         72cd9ecf404e67c3290340de53b9393a07813ea0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72cd9ec Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild