On Fri 18 Mar 2022 at 10:34:08 (+0100), Hans Åberg wrote: > On 17 Mar 2022, at 23:39, Hans Aikema wrote:
> > You cannot have both active indeed, but you can install them both (one > > active, one inactive). The recipe to end up with stable, but have current > > development version at hand for activation: > > > > sudo port install lilypond-devel > > sudo port deactivate lilypond-devel > > sudo port install lilypond > > > > then when you want to try develop: > > sudo port deactivate lilypond > > sudo port activate lilypond-devel > > > > and the other way around to switch back to stable: > > sudo port deactivate lilypond-devel > > sudo port activate lilypond > > This seems simpler than having a separate MacPorts installation. —To avoid > having to write 'sudo' all the time, one can start 'sudo -s'. It might be safer to use, say, an alias, a shell function, or a script for each version, so that you can just type "lpdev" or "lpprod" to switch. And if you collect a number of versions, "lp2222", "lp2236", … , maybe? > > only the active one will be upgraded with a sudo port upgrade outdated > > (over time you can even have multiple historical versions side by side at > > hand for activation by specifying the explicit version) > > This is something that should be remembered. Cheers, David.
