$ git clone -n https://src.fedoraproject.org/rpms/rust-shlex.git /var/lib/mock/f39-build-1455551-32918/root/chroot_tmpdir/scmroot/rust-shlex
Cloning into '/var/lib/mock/f39-build-1455551-32918/root/chroot_tmpdir/scmroot/rust-shlex'...
$ git fetch origin 6f2d748bc86b5d7202e620e7ad039fee692e5bac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-shlex
 * [new ref]         6f2d748bc86b5d7202e620e7ad039fee692e5bac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f2d748 Update to version 1.2.0; Fixes RHBZ#2237345