$ git clone -n https://src.fedoraproject.org/rpms/ghc-lrucache.git /var/lib/mock/f42-build-877637-180247/root/chroot_tmpdir/scmroot/ghc-lrucache
Cloning into '/var/lib/mock/f42-build-877637-180247/root/chroot_tmpdir/scmroot/ghc-lrucache'...
$ git fetch origin f3de391466b954b1bd1811d4c3686c3bd62f25d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-lrucache
 * [new ref]         f3de391466b954b1bd1811d4c3686c3bd62f25d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3de391 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild