$ git clone -n https://src.fedoraproject.org/rpms/ghc-cryptohash-sha1.git /var/lib/mock/f40-build-776881-129121/root/chroot_tmpdir/scmroot/ghc-cryptohash-sha1
Cloning into '/var/lib/mock/f40-build-776881-129121/root/chroot_tmpdir/scmroot/ghc-cryptohash-sha1'...
$ git fetch origin 13a800f9470cfb82b276d59e7541eba6fa5b70a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cryptohash-sha1
 * [new ref]         13a800f9470cfb82b276d59e7541eba6fa5b70a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13a800f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild