$ git clone -n https://src.fedoraproject.org/rpms/ghc-attoparsec.git /var/lib/mock/f40-build-776467-128863/root/chroot_tmpdir/scmroot/ghc-attoparsec
Cloning into '/var/lib/mock/f40-build-776467-128863/root/chroot_tmpdir/scmroot/ghc-attoparsec'...
$ git fetch origin 631e53ca6aff53454f071776a33a5f61e90ad3c2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-attoparsec
 * [new ref]         631e53ca6aff53454f071776a33a5f61e90ad3c2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 631e53c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild