$ git clone -n https://src.fedoraproject.org/rpms/rust-byte-unit.git /var/lib/mock/f41-build-side-1-2769142-32104/root/chroot_tmpdir/scmroot/rust-byte-unit
Cloning into '/var/lib/mock/f41-build-side-1-2769142-32104/root/chroot_tmpdir/scmroot/rust-byte-unit'...
$ git fetch origin f991f87069e89d5ef9d16e6e568010a8f3ed3953:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-byte-unit
 * [new ref]         f991f87069e89d5ef9d16e6e568010a8f3ed3953 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f991f87 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild