$ git clone -n https://src.fedoraproject.org/rpms/qt6-doc.git /var/lib/mock/f42-build-3272957-41309/root/chroot_tmpdir/scmroot/qt6-doc
Cloning into '/var/lib/mock/f42-build-3272957-41309/root/chroot_tmpdir/scmroot/qt6-doc'...
$ git fetch origin 89ac993a1a9a358d268aabd8001c0f052a128650:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-doc
 * [new ref]         89ac993a1a9a358d268aabd8001c0f052a128650 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89ac993 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild