$ git clone -n https://src.fedoraproject.org/rpms/rust-ct-logs.git /var/lib/mock/f38-build-side-42-init-devel-1298629-30684/root/chroot_tmpdir/scmroot/rust-ct-logs
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1298629-30684/root/chroot_tmpdir/scmroot/rust-ct-logs'...
$ git fetch origin 1d1c6cf337046900694c278c2d5eebe60f14cb08:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ct-logs
 * [new ref]         1d1c6cf337046900694c278c2d5eebe60f14cb08 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d1c6cf Update to version 0.9.0