$ git clone -n https://src.fedoraproject.org/rpms/rust-msru.git /var/lib/mock/f40-build-2408255-60559/root/chroot_tmpdir/scmroot/rust-msru
Cloning into '/var/lib/mock/f40-build-2408255-60559/root/chroot_tmpdir/scmroot/rust-msru'...
$ git fetch origin 6747f92932ddf0ac03c835a5e60e65f6df149efb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-msru
 * [new ref]         6747f92932ddf0ac03c835a5e60e65f6df149efb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6747f92 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild