$ git clone -n https://src.fedoraproject.org/rpms/rust-streebog0.9.git /var/lib/mock/f40-build-2658171-66917/root/chroot_tmpdir/scmroot/rust-streebog0.9
Cloning into '/var/lib/mock/f40-build-2658171-66917/root/chroot_tmpdir/scmroot/rust-streebog0.9'...
$ git fetch origin fe081b503ebbd166279cdf372cfc3fc0ecc9d97a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-streebog0.9
 * [new ref]         fe081b503ebbd166279cdf372cfc3fc0ecc9d97a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe081b5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild