$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_ls.git /var/lib/mock/f42-build-3251813-41222/root/chroot_tmpdir/scmroot/rust-uu_ls
Cloning into '/var/lib/mock/f42-build-3251813-41222/root/chroot_tmpdir/scmroot/rust-uu_ls'...
$ git fetch origin 46d8aaba6fad939dc6d43e7f7dd47dab0a6550f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_ls
 * [new ref]         46d8aaba6fad939dc6d43e7f7dd47dab0a6550f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46d8aab Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild