$ git clone -n https://src.fedoraproject.org/rpms/rust-serde_yaml0.8.git /var/lib/mock/f40-build-2716508-72641/root/chroot_tmpdir/scmroot/rust-serde_yaml0.8
Cloning into '/var/lib/mock/f40-build-2716508-72641/root/chroot_tmpdir/scmroot/rust-serde_yaml0.8'...
$ git fetch origin c4aa9e27b5ef7cd3abba0534b05b39a5af436a6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-serde_yaml0.8
 * [new ref]         c4aa9e27b5ef7cd3abba0534b05b39a5af436a6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4aa9e2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild