$ git clone -n https://src.fedoraproject.org/rpms/ghc-stringsearch.git /var/lib/mock/f45-build-10815-424/root/chroot_tmpdir/scmroot/ghc-stringsearch
Cloning into '/var/lib/mock/f45-build-10815-424/root/chroot_tmpdir/scmroot/ghc-stringsearch'...
$ git fetch origin 467ea4f56c53e047960045a2d1baf9afd376875c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-stringsearch
 * [new ref]         467ea4f56c53e047960045a2d1baf9afd376875c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 467ea4f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild