$ git clone -n https://src.fedoraproject.org/rpms/plantuml.git /var/lib/mock/f39-build-1568171-37612/root/chroot_tmpdir/scmroot/plantuml
Cloning into '/var/lib/mock/f39-build-1568171-37612/root/chroot_tmpdir/scmroot/plantuml'...
$ git fetch origin e21598520e56c3530ff230794513812c75d1e6f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plantuml
 * [new ref]         e21598520e56c3530ff230794513812c75d1e6f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e215985 Update to version 1.2023.11 (rhbz#2232105)