$ git clone -n https://src.fedoraproject.org/rpms/xastir.git /var/lib/mock/f40-build-2414670-60564/root/chroot_tmpdir/scmroot/xastir
Cloning into '/var/lib/mock/f40-build-2414670-60564/root/chroot_tmpdir/scmroot/xastir'...
$ git fetch origin ee6b7cef2cbb3885254127e839b72d2c7cae0dc2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xastir
 * [new ref]         ee6b7cef2cbb3885254127e839b72d2c7cae0dc2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee6b7ce Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild