$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-pretty-hex.git /var/lib/mock/f40-build-2082964-49879/root/chroot_tmpdir/scmroot/rust-nu-pretty-hex
Cloning into '/var/lib/mock/f40-build-2082964-49879/root/chroot_tmpdir/scmroot/rust-nu-pretty-hex'...
$ git fetch origin 4e22cd08074704c23bdb1ba2d9f858116b183c97:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-pretty-hex
 * [new ref]         4e22cd08074704c23bdb1ba2d9f858116b183c97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e22cd0 Update to 0.86.0