$ git clone -n https://src.fedoraproject.org/rpms/rust-arc-swap.git /var/lib/mock/f45-build-40106-768/root/chroot_tmpdir/scmroot/rust-arc-swap
Cloning into '/var/lib/mock/f45-build-40106-768/root/chroot_tmpdir/scmroot/rust-arc-swap'...
$ git fetch origin ded778f400838f03c1aa2c3509350d533952b446:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-arc-swap
 * [new ref]         ded778f400838f03c1aa2c3509350d533952b446 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ded778f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild