$ git clone -n https://src.fedoraproject.org/rpms/rust-libssh2-sys.git /var/lib/mock/f45-build-43004-799/root/chroot_tmpdir/scmroot/rust-libssh2-sys
Cloning into '/var/lib/mock/f45-build-43004-799/root/chroot_tmpdir/scmroot/rust-libssh2-sys'...
$ git fetch origin d4ed8b42427f929a9144faf5674ce03de52c502f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libssh2-sys
 * [new ref]         d4ed8b42427f929a9144faf5674ce03de52c502f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4ed8b4 Update to version 0.3.3; Fixes RHBZ#2529075