$ git clone -n https://src.fedoraproject.org/rpms/texlive.git /var/lib/mock/f40-build-2483355-61638/root/chroot_tmpdir/scmroot/texlive
Cloning into '/var/lib/mock/f40-build-2483355-61638/root/chroot_tmpdir/scmroot/texlive'...
$ git fetch origin fbcccb61ec68371ded6b06eb919fcf8550e83065:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/texlive
 * [new ref]         fbcccb61ec68371ded6b06eb919fcf8550e83065 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fbcccb6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild