$ git clone -n https://src.fedoraproject.org/rpms/rust-trycmd.git /var/lib/mock/f45-build-45761-827/root/chroot_tmpdir/scmroot/rust-trycmd
Cloning into '/var/lib/mock/f45-build-45761-827/root/chroot_tmpdir/scmroot/rust-trycmd'...
$ git fetch origin 59574d6446a910da45f30cb572d2ff8bd70f6a46:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-trycmd
 * [new ref]         59574d6446a910da45f30cb572d2ff8bd70f6a46 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59574d6 Allow shlex version 2