diff options
Diffstat (limited to 'guix/build/utils.scm')
| -rw-r--r-- | guix/build/utils.scm | 52 |
1 files changed, 49 insertions, 3 deletions
diff --git a/guix/build/utils.scm b/guix/build/utils.scm index 5fe3286843..55d34b67e7 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -1,8 +1,9 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2013 Andreas Enge <andreas@enge.fr> ;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org> ;;; Copyright © 2015, 2018 Mark H Weaver <mhw@netris.org> +;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net> ;;; ;;; This file is part of GNU Guix. ;;; @@ -87,6 +88,7 @@ patch-/usr/bin/file fold-port-matches remove-store-references + wrapper? wrap-program invoke @@ -96,10 +98,31 @@ invoke-error-exit-status invoke-error-term-signal invoke-error-stop-signal + report-invoke-error locale-category->string)) + +;;; +;;; Guile 2.0 compatibility later. +;;; +;; The bootstrap Guile is Guile 2.0, so provide a compatibility layer. +(cond-expand + ((and guile-2 (not guile-2.2)) + (define (setvbuf port mode . rest) + (apply (@ (guile) setvbuf) port + (match mode + ('line _IOLBF) + ('block _IOFBF) + ('none _IONBF) + (_ mode)) ;an _IO* integer + rest)) + + (module-replace! (current-module) '(setvbuf))) + (else #f)) + + ;;; ;;; Directories. ;;; @@ -600,6 +623,11 @@ Where every <*-phase-name> is an expression evaluating to a symbol, and ((_ phases (add-after old-phase-name new-phase-name new-phase)) (alist-cons-after old-phase-name new-phase-name new-phase phases)))) + +;;; +;;; Program invocation. +;;; + (define-condition-type &invoke-error &error invoke-error? (program invoke-error-program) @@ -621,6 +649,17 @@ if the exit code is non-zero; otherwise return #t." (stop-signal (status:stop-sig code)))))) #t)) +(define* (report-invoke-error c #:optional (port (current-error-port))) + "Report to PORT about C, an '&invoke-error' condition, in a human-friendly +way." + (format port "command~{ ~s~} failed with ~:[signal~;status~] ~a~%" + (cons (invoke-error-program c) + (invoke-error-arguments c)) + (invoke-error-exit-status c) + (or (invoke-error-exit-status c) + (invoke-error-term-signal c) + (invoke-error-stop-signal c)))) + ;;; ;;; Text substitution (aka. sed). @@ -987,8 +1026,8 @@ known as `nuke-refs' in Nixpkgs." ;; We cannot use `regexp-exec' here because it cannot deal with ;; strings containing NUL characters. (format #t "removing store references from `~a'...~%" file) - (setvbuf in _IOFBF 65536) - (setvbuf out _IOFBF 65536) + (setvbuf in 'block 65536) + (setvbuf out 'block 65536) (fold-port-matches (lambda (match result) (put-bytevector out (string->utf8 store)) (put-u8 out (char->integer #\/)) @@ -1003,6 +1042,13 @@ known as `nuke-refs' in Nixpkgs." (put-u8 out (char->integer char)) result)))))) +(define (wrapper? prog) + "Return #t if PROG is a wrapper as produced by 'wrap-program'." + (and (file-exists? prog) + (let ((base (basename prog))) + (and (string-prefix? "." base) + (string-suffix? "-real" base))))) + (define* (wrap-program prog #:rest vars) "Make a wrapper for PROG. VARS should look like this: |