Re: [PATCH] gnu-maintenance: update-package-source: Only update the desired package.

[Andy Wingo]

Hi 宋文武 :)

On Tue 05 Apr 2016 06:35, 宋文武 <address@hidden> writes:

> diff --git a/guix/upstream.scm b/guix/upstream.scm
> index cea23fe..f4bc09c 100644
> --- a/guix/upstream.scm
> +++ b/guix/upstream.scm
> @@ -205,6 +209,37 @@ and 'interactive' (default)."
>    "Modify the source file that defines PACKAGE to refer to VERSION,
>  whose tarball has SHA256 HASH (a bytevector).  Return the new version string
>  if an update was made, and #f otherwise."
> +  (define (substitute+ file start end pattern+procs)

Sorry to tell you mixed signals, but did you consider Ludovic's
suggestion to use `package-field-location' ?

If it turns out that this more textual approach is best, consider
factoring the helper out to a top-level function.  Someone else is going
to want to use it later :)

Andy