$ git clone -n https://src.fedoraproject.org/rpms/python-pynacl.git /var/lib/mock/f39-build-1554155-37036/root/chroot_tmpdir/scmroot/python-pynacl
Cloning into '/var/lib/mock/f39-build-1554155-37036/root/chroot_tmpdir/scmroot/python-pynacl'...
$ git fetch origin add382b51c5150847ca7f86c57fda98ce8d218b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pynacl
 * [new ref]         add382b51c5150847ca7f86c57fda98ce8d218b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at add382b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild