diff options
Diffstat (limited to 'guix/build/profiles.scm')
| -rw-r--r-- | guix/build/profiles.scm | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/guix/build/profiles.scm b/guix/build/profiles.scm index 6e316d5d2c..42eabfaf19 100644 --- a/guix/build/profiles.scm +++ b/guix/build/profiles.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2015, 2017 Ludovic Courtès <ludo@gnu.org> ;;; ;;; This file is part of GNU Guix. ;;; @@ -39,17 +39,21 @@ 'GUIX_PROFILE' environment variable. This allows users to specify what the user-friendly name of the profile is, for instance ~/.guix-profile rather than /gnu/store/...-profile." - (let ((replacement (string-append "${GUIX_PROFILE:-" profile "}"))) + (let ((replacement (string-append "${GUIX_PROFILE:-" profile "}")) + (crop (cute string-drop <> (string-length profile)))) (match-lambda ((search-path . value) - (let* ((separator (search-path-specification-separator search-path)) - (items (string-tokenize* value separator)) - (crop (cute string-drop <> (string-length profile)))) - (cons search-path - (string-join (map (lambda (str) - (string-append replacement (crop str))) - items) - separator))))))) + (match (search-path-specification-separator search-path) + (#f + (cons search-path + (string-append replacement (crop value)))) + ((? string? separator) + (let ((items (string-tokenize* value separator))) + (cons search-path + (string-join (map (lambda (str) + (string-append replacement (crop str))) + items) + separator))))))))) (define (write-environment-variable-definition port) "Write the given environment variable definition to PORT." |