$ git clone -n https://src.fedoraproject.org/rpms/jdependency.git /var/lib/mock/f40-build-2530231-61829/root/chroot_tmpdir/scmroot/jdependency
Cloning into '/var/lib/mock/f40-build-2530231-61829/root/chroot_tmpdir/scmroot/jdependency'...
$ git fetch origin 68b29e8731011acc09a3edcfd7e9c2ac0c9f722e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jdependency
 * [new ref]         68b29e8731011acc09a3edcfd7e9c2ac0c9f722e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68b29e8 Rebuilt for java-21-openjdk as system jdk