$ git clone -n https://src.fedoraproject.org/rpms/osgi-core.git /var/lib/mock/f40-build-2618162-64490/root/chroot_tmpdir/scmroot/osgi-core
Cloning into '/var/lib/mock/f40-build-2618162-64490/root/chroot_tmpdir/scmroot/osgi-core'...
$ git fetch origin 6e544c0de4562696456e3ceef8db3df9172918e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osgi-core
 * [new ref]         6e544c0de4562696456e3ceef8db3df9172918e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e544c0 Rebuilt for java-21-openjdk as system jdk