$ git clone -n https://src.fedoraproject.org/rpms/rust-sd.git /var/lib/mock/f40-build-780995-131404/root/chroot_tmpdir/scmroot/rust-sd
Cloning into '/var/lib/mock/f40-build-780995-131404/root/chroot_tmpdir/scmroot/rust-sd'...
$ git fetch origin 4812803900829ca095ae949fc9bedd7b673eaf5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sd
 * [new ref]         4812803900829ca095ae949fc9bedd7b673eaf5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4812803 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild