$ git clone -n https://src.fedoraproject.org/rpms/libreoffice.git /var/lib/mock/f40-build-791699-137678/root/chroot_tmpdir/scmroot/libreoffice
Cloning into '/var/lib/mock/f40-build-791699-137678/root/chroot_tmpdir/scmroot/libreoffice'...
$ git fetch origin 6a800d27f59fdaefd0a4f388e024252520988ee4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libreoffice
 * [new ref]         6a800d27f59fdaefd0a4f388e024252520988ee4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a800d2 Rebuilt for java-21-openjdk as system jdk