$ git clone -n https://src.fedoraproject.org/rpms/rust-apple-bom.git /var/lib/mock/f45-build-40080-767/root/chroot_tmpdir/scmroot/rust-apple-bom
Cloning into '/var/lib/mock/f45-build-40080-767/root/chroot_tmpdir/scmroot/rust-apple-bom'...
$ git fetch origin 72ae8dbf92a41331c3283c29117960278d0b923d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-apple-bom
 * [new ref]         72ae8dbf92a41331c3283c29117960278d0b923d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72ae8db Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild