$ git clone -n https://src.fedoraproject.org/rpms/rust-cssparser0.31.git /var/lib/mock/f45-build-41073-779/root/chroot_tmpdir/scmroot/rust-cssparser0.31
Cloning into '/var/lib/mock/f45-build-41073-779/root/chroot_tmpdir/scmroot/rust-cssparser0.31'...
$ git fetch origin f9c7ee1485570d457605341595d763eb3c3ce38d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cssparser0.31
 * [new ref]         f9c7ee1485570d457605341595d763eb3c3ce38d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f9c7ee1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild