$ git clone -n https://src.fedoraproject.org/rpms/rust-humansize1.git /var/lib/mock/f40-build-2713466-72142/root/chroot_tmpdir/scmroot/rust-humansize1
Cloning into '/var/lib/mock/f40-build-2713466-72142/root/chroot_tmpdir/scmroot/rust-humansize1'...
$ git fetch origin ef7149677758be063bdca047db9268fb8a2823f8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-humansize1
 * [new ref]         ef7149677758be063bdca047db9268fb8a2823f8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef71496 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild