$ git clone -n https://src.fedoraproject.org/rpms/rust-stfu8.git /var/lib/mock/f40-build-2063815-49167/root/chroot_tmpdir/scmroot/rust-stfu8
Cloning into '/var/lib/mock/f40-build-2063815-49167/root/chroot_tmpdir/scmroot/rust-stfu8'...
$ git fetch origin 8e6ab987df7e463565f7d62b4a499099e2cdbf0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stfu8
 * [new ref]         8e6ab987df7e463565f7d62b4a499099e2cdbf0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e6ab98 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild