$ git clone -n https://src.fedoraproject.org/rpms/ghc-base-unicode-symbols.git /var/lib/mock/f42-build-877470-180226/root/chroot_tmpdir/scmroot/ghc-base-unicode-symbols
Cloning into '/var/lib/mock/f42-build-877470-180226/root/chroot_tmpdir/scmroot/ghc-base-unicode-symbols'...
$ git fetch origin 9473812cd15043f16604de7ecd88e03903c58b36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-base-unicode-symbols
 * [new ref]         9473812cd15043f16604de7ecd88e03903c58b36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9473812 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild