Hi Gábor, Sorry to be slow. :-)
On Fri, 13 Dec 2019 at 17:28, Gábor Boskovits <boskov...@gmail.com> wrote: > So in a more algorithmic manner: > 1. if ad-hoc and inputs-of is present at the same invocation: fail > hard. (With an error like incompatible options present) > 2. if only ad-hoc is present, then print a deprecation warning (yes, > we could make this suspendable with an environment variable, like you > described) > 3. if only inputs-of present, then do the new behaviour. > 4. if neither ad-hoc nor inputs-of present then > a. if GUIX_ENVIRONMENT_DEPRECATED is 1: do the current behaviour, > b. if GUIX_ENVIRONMENT_DEPRECATED is undefined, or is not 1: do the > new behaviour. > > This would minimze friction, as there will be a few scripts falling under 4. > This would also allow mirgating such scripts one by one. be defining > GUIX_ENVIRONMENT_DEPRECATED to 1 in some startup file, and using > GUIX_ENVIRONMENT_DEPRECATED=0 guix environment ... in scripts that are > fixed to use the new syntax. > > > What do you think? I am perfectly aligned! :-) It is exactly what I have tried to describe. Sorry again for being slow. Thank you. Do you plan to implement it? Do I give a try? All the best, simon
