$ git clone -n https://src.fedoraproject.org/rpms/rust-prefixdevname.git /var/lib/mock/f41-build-818837-151282/root/chroot_tmpdir/scmroot/rust-prefixdevname
Cloning into '/var/lib/mock/f41-build-818837-151282/root/chroot_tmpdir/scmroot/rust-prefixdevname'...
$ git fetch origin d2660bd88979b73922f85622fa541a5069014399:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-prefixdevname
 * [new ref]         d2660bd88979b73922f85622fa541a5069014399 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2660bd Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild