$ git clone -n https://src.fedoraproject.org/rpms/ghc-generics-sop.git /var/lib/mock/f42-build-3231242-41191/root/chroot_tmpdir/scmroot/ghc-generics-sop
Cloning into '/var/lib/mock/f42-build-3231242-41191/root/chroot_tmpdir/scmroot/ghc-generics-sop'...
$ git fetch origin 6419348ffad557a81c6386144a1753ad3da6a305:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-generics-sop
 * [new ref]         6419348ffad557a81c6386144a1753ad3da6a305 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6419348 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild