$ git clone -n https://src.fedoraproject.org/rpms/rust-openpgp-cert-d.git /var/lib/mock/f40-build-2712749-72054/root/chroot_tmpdir/scmroot/rust-openpgp-cert-d
Cloning into '/var/lib/mock/f40-build-2712749-72054/root/chroot_tmpdir/scmroot/rust-openpgp-cert-d'...
$ git fetch origin 66d4d31daaca1bab82ddf2dafff086e1db2dbe71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-openpgp-cert-d
 * [new ref]         66d4d31daaca1bab82ddf2dafff086e1db2dbe71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 66d4d31 Update to version 0.3.2; Fixes RHBZ#2272741