$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-net.git /var/lib/mock/f40-build-2728444-73157/root/chroot_tmpdir/scmroot/apache-commons-net
Cloning into '/var/lib/mock/f40-build-2728444-73157/root/chroot_tmpdir/scmroot/apache-commons-net'...
$ git fetch origin abbcbba707c6be45b017b9d4d873df32635355ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-net
 * [new ref]         abbcbba707c6be45b017b9d4d873df32635355ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abbcbba Rebuilt for java-21-openjdk as system jdk