$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_vdir.git /var/lib/mock/f41-build-819542-151621/root/chroot_tmpdir/scmroot/rust-uu_vdir
Cloning into '/var/lib/mock/f41-build-819542-151621/root/chroot_tmpdir/scmroot/rust-uu_vdir'...
$ git fetch origin 8b6b3ac7ab4e05c05a485863a98de6e63deac5b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_vdir
 * [new ref]         8b6b3ac7ab4e05c05a485863a98de6e63deac5b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b6b3ac Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild