From 8b9ceb8d03ab7b67cab9ce96b66f197c331ccc04 Mon Sep 17 00:00:00 2001 From: Alex Kost Date: Sun, 30 Aug 2015 18:44:39 +0300 Subject: emacs: Add code to pipe guix output to external program. * emacs/guix-main.scm: Use (ice-9 popen) module. (pipe-guix-output): New procedure. --- emacs/guix-main.scm | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/emacs/guix-main.scm b/emacs/guix-main.scm index fe224fb582..8d3a88152d 100644 --- a/emacs/guix-main.scm +++ b/emacs/guix-main.scm @@ -45,6 +45,7 @@ (use-modules (ice-9 vlist) (ice-9 match) + (ice-9 popen) (srfi srfi-1) (srfi srfi-2) (srfi srfi-11) @@ -949,6 +950,15 @@ GENERATIONS is a list of generation numbers." "Return string with 'guix COMMANDS ... --help' output." (apply guix-command-output `(,@commands "--help"))) +(define (pipe-guix-output guix-args command-args) + "Run 'guix GUIX-ARGS ...' command and pipe its output to a shell command +defined by COMMAND-ARGS. +Return #t if the shell command was executed successfully." + (let ((pipe (apply open-pipe* OPEN_WRITE command-args))) + (with-output-to-port pipe + (lambda () (apply guix-command guix-args))) + (zero? (status:exit-val (close-pipe pipe))))) + ;;; Lists of packages, lint checkers, etc. -- cgit v1.2.3