$ git clone -n https://src.fedoraproject.org/rpms/xcfun.git /var/lib/mock/f39-build-1461938-33289/root/chroot_tmpdir/scmroot/xcfun
Cloning into '/var/lib/mock/f39-build-1461938-33289/root/chroot_tmpdir/scmroot/xcfun'...
$ git fetch origin a3075d4eef10db5ca5874c2e52594e5b749b3c3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xcfun
 * [new ref]         a3075d4eef10db5ca5874c2e52594e5b749b3c3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3075d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild