$ git clone -n https://src.fedoraproject.org/rpms/rust-rustls-platform-verifier.git /var/lib/mock/f45-build-44591-815/root/chroot_tmpdir/scmroot/rust-rustls-platform-verifier
Cloning into '/var/lib/mock/f45-build-44591-815/root/chroot_tmpdir/scmroot/rust-rustls-platform-verifier'...
$ git fetch origin bc23922de314cb66f0cd497bb4dc45cd67c7df27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustls-platform-verifier
 * [new ref]         bc23922de314cb66f0cd497bb4dc45cd67c7df27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc23922 Update to version 0.7.0; Fixes RHBZ#2457642