[tester@me /]$ cat /usr/bin/jhbuild-session
#!/bin/bash

/home/tester/.local/bin/jhbuild run gnome-session
[tester@me /]$ cat /usr/share/wayland-sessions/gnome-jhbuild.desktop
[Desktop Entry]
Name=GNOME jhbuild
Comment=GNOME jhbuild
Exec=jhbuild-session
TryExec=jhbuild-session
Icon=
Type=Application
DesktopNames=GNOME