$ git clone -n https://src.fedoraproject.org/rpms/rust-gdk4-sys0.9.git /var/lib/mock/f45-build-41834-786/root/chroot_tmpdir/scmroot/rust-gdk4-sys0.9
Cloning into '/var/lib/mock/f45-build-41834-786/root/chroot_tmpdir/scmroot/rust-gdk4-sys0.9'...
$ git fetch origin a9d8b87e2c3055f124328e34521ea2fceb4886eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gdk4-sys0.9
 * [new ref]         a9d8b87e2c3055f124328e34521ea2fceb4886eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9d8b87 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild