$ git clone -n https://src.fedoraproject.org/rpms/rust-pid.git /var/lib/mock/f45-build-43847-807/root/chroot_tmpdir/scmroot/rust-pid
Cloning into '/var/lib/mock/f45-build-43847-807/root/chroot_tmpdir/scmroot/rust-pid'...
$ git fetch origin 45b06224124380d3491a420e4e07b51883ad3799:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pid
 * [new ref]         45b06224124380d3491a420e4e07b51883ad3799 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45b0622 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild