$ git clone -n https://src.fedoraproject.org/rpms/rust-uucore.git /var/lib/mock/f40-build-2683888-67976/root/chroot_tmpdir/scmroot/rust-uucore
Cloning into '/var/lib/mock/f40-build-2683888-67976/root/chroot_tmpdir/scmroot/rust-uucore'...
$ git fetch origin 5c587bd537103d45a1176dbf7793fa93a3a3de54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uucore
 * [new ref]         5c587bd537103d45a1176dbf7793fa93a3a3de54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c587bd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild