$ git clone -n https://src.fedoraproject.org/rpms/ghc-filepattern.git /var/lib/mock/f40-build-776461-128863/root/chroot_tmpdir/scmroot/ghc-filepattern
Cloning into '/var/lib/mock/f40-build-776461-128863/root/chroot_tmpdir/scmroot/ghc-filepattern'...
$ git fetch origin cb55a72161ea26cfb552d853b07afef37efa2af8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-filepattern
 * [new ref]         cb55a72161ea26cfb552d853b07afef37efa2af8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb55a72 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild