Re: wrap-program –> wrap-script

[Ludovic Courtès]

Hello!

Ricardo Wurmus <address@hidden> skribis:

> I’ve just pushed a change to use wrap-script in one package.  The
> purpose of wrap-script is to wrap an executable without having to create
> a separate wrapper shell script.  It does this by prepending a Guile
> script to the top of the file, which sets the environment variables and
> then re-executes itself with the target interpreter (e.g. Python).

Neat!

> I noticed two things:
>
> 1) wrap-script does not automatically pull in Guile as a dependency, so
> if Guile isn’t among the inputs it will create a bad shebang.  This
> should be fixed on core-updates.

Or we could say that it’s not different from other shebangs: it’s up to
the packager to provide all the necessary dependencies.

> 2) we aren’t using wrap-script anywhere.  I think a good use case would
> be the Python build system’s “wrap” phase where we currently use
> wrap-program.  Most of the time we’d be dealing with Python scripts, so
> using wrap-script would be more appropriate here.

The would immediately reach hundreds of packages, so it’s a good idea!

Thanks,
Ludo’.