$ git clone -n https://src.fedoraproject.org/rpms/rust-value-bag-sval2.git /var/lib/mock/f38-build-side-42-init-devel-1085767-30004/root/chroot_tmpdir/scmroot/rust-value-bag-sval2
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1085767-30004/root/chroot_tmpdir/scmroot/rust-value-bag-sval2'...
$ git fetch origin 8d72b55113015a2f300bd509ce26fa73e97c59b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-value-bag-sval2
 * [new ref]         8d72b55113015a2f300bd509ce26fa73e97c59b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d72b55 Initial import (#2217056)