$ git clone -n https://src.fedoraproject.org/rpms/TeXmacs.git /var/lib/mock/f42-bootstrap-3462965-45593/root/chroot_tmpdir/scmroot/TeXmacs
Cloning into '/var/lib/mock/f42-bootstrap-3462965-45593/root/chroot_tmpdir/scmroot/TeXmacs'...
$ git fetch origin 235d1ae7a0a80013e15f787f7485b3a514b2f587:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/TeXmacs
 * [new ref]         235d1ae7a0a80013e15f787f7485b3a514b2f587 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 235d1ae Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild