$ git clone -n https://src.fedoraproject.org/rpms/ghc-servant-client-core.git /var/lib/mock/f40-build-777207-129287/root/chroot_tmpdir/scmroot/ghc-servant-client-core
Cloning into '/var/lib/mock/f40-build-777207-129287/root/chroot_tmpdir/scmroot/ghc-servant-client-core'...
$ git fetch origin cda9c357856fe8162b676ecb4e0c7958c66d4559:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-servant-client-core
 * [new ref]         cda9c357856fe8162b676ecb4e0c7958c66d4559 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cda9c35 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild