$ git clone -n https://src.fedoraproject.org/rpms/rust-libpulse-sys.git /var/lib/mock/f40-build-2082685-49856/root/chroot_tmpdir/scmroot/rust-libpulse-sys
Cloning into '/var/lib/mock/f40-build-2082685-49856/root/chroot_tmpdir/scmroot/rust-libpulse-sys'...
$ git fetch origin 92c26a7462a891aa4c4cd97a65f27a63d8026815:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libpulse-sys
 * [new ref]         92c26a7462a891aa4c4cd97a65f27a63d8026815 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92c26a7 Update to version 1.21.0; Fixes RHBZ#2223457