$ git clone -n https://src.fedoraproject.org/rpms/rust-uu_touch.git /var/lib/mock/f40-build-1971931-25224/root/chroot_tmpdir/scmroot/rust-uu_touch
Cloning into '/var/lib/mock/f40-build-1971931-25224/root/chroot_tmpdir/scmroot/rust-uu_touch'...
$ git fetch origin 29f30375f87016222f3ce1ee69609d0eef76a537:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-uu_touch
 * [new ref]         29f30375f87016222f3ce1ee69609d0eef76a537 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29f3037 Update to version 0.0.27; Fixes: RHBZ#2260250