$ git clone -n https://src.fedoraproject.org/rpms/rust-gpt.git /var/lib/mock/f38-build-side-43-rust-devel-1409613-31403/root/chroot_tmpdir/scmroot/rust-gpt
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1409613-31403/root/chroot_tmpdir/scmroot/rust-gpt'...
$ git fetch origin 8da640ccda60851c841a7d7bf12c8748f5936e12:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gpt
 * [new ref]         8da640ccda60851c841a7d7bf12c8748f5936e12 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8da640c Initial import; Fixes: RHBZ#2224854