$ git clone -n https://src.fedoraproject.org/rpms/rust-iana-time-zone.git /var/lib/mock/f45-build-42464-794/root/chroot_tmpdir/scmroot/rust-iana-time-zone
Cloning into '/var/lib/mock/f45-build-42464-794/root/chroot_tmpdir/scmroot/rust-iana-time-zone'...
$ git fetch origin 1649c096ebc2b4f669004981ed814447d54ca725:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-iana-time-zone
 * [new ref]         1649c096ebc2b4f669004981ed814447d54ca725 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1649c09 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild