$ git clone -n https://src.fedoraproject.org/rpms/openjpeg.git /var/lib/mock/f39-build-1469808-33864/root/chroot_tmpdir/scmroot/openjpeg
Cloning into '/var/lib/mock/f39-build-1469808-33864/root/chroot_tmpdir/scmroot/openjpeg'...
$ git fetch origin 9cb67f5f173828097dd71cebda4f5b503fbe56a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openjpeg
 * [new ref]         9cb67f5f173828097dd71cebda4f5b503fbe56a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9cb67f5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild