$ git clone -n https://src.fedoraproject.org/rpms/vala.git /var/lib/mock/f40-build-784852-133644/root/chroot_tmpdir/scmroot/vala
Cloning into '/var/lib/mock/f40-build-784852-133644/root/chroot_tmpdir/scmroot/vala'...
$ git fetch origin ea5744fcde452518cee0d9e55ca38deb7d900a0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vala
 * [new ref]         ea5744fcde452518cee0d9e55ca38deb7d900a0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea5744f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild