bug#66659: (home-)on-first-login script broken when no gexps are added

[Clément Lassieur]

On Tue, Oct 24 2023, Rostislav Svoboda wrote:

>> > I've just pushed something similar to what you provided, Carlo, in
>> > commit e098ba2f499bbddfea50c85058e4077e39b85513.
>> >
>> > We should be good now.
>>
>> I'm afraid this did not fix the issue. It results in
>> (when (claim-first-run flag-file-path) (begin))
>>
>> which leads to the new error message "Syntax error:
>> /home/nl/.guix-home/on-first-login:3:1272: sequence of zero expressions in 
>> form (begin)"
>
> Adding *unspecified* works for me. I.e.:
>
>     (when (claim-first-run flag-file-path)
>       ;; GEXPS can be empty, hence 'begin *unspecified*'. Having just
>       ;; 'begin' without '*unspecified*' leads to
>       ;; "Syntax error: ... sequence of zero expressions in form (begin)"
>       (begin *unspecified* #$@gexps))
>
> The patch is in the attachment.
>
> Cheers Bost

Applied as 2de30042674197fe451c220745186e36465d06e2, thanks!
Clément