$ git clone -n https://src.fedoraproject.org/rpms/rust-pcap-file.git /var/lib/mock/f45-build-43737-805/root/chroot_tmpdir/scmroot/rust-pcap-file
Cloning into '/var/lib/mock/f45-build-43737-805/root/chroot_tmpdir/scmroot/rust-pcap-file'...
$ git fetch origin e6f39bcb011f5daedbea4621d9f7408f2b1f8089:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pcap-file
 * [new ref]         e6f39bcb011f5daedbea4621d9f7408f2b1f8089 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6f39bc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild