$ git clone -n https://src.fedoraproject.org/rpms/ghc-DAV.git /var/lib/mock/f40-build-777475-129377/root/chroot_tmpdir/scmroot/ghc-DAV
Cloning into '/var/lib/mock/f40-build-777475-129377/root/chroot_tmpdir/scmroot/ghc-DAV'...
$ git fetch origin db768a1eca82d11352be7b34a19fce2d0db5ab6a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-DAV
 * [new ref]         db768a1eca82d11352be7b34a19fce2d0db5ab6a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db768a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild