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authorLudovic Courtès <ludo@gnu.org>2014-09-24 14:05:52 +0200
committerLudovic Courtès <ludo@gnu.org>2014-09-24 14:06:09 +0200
commit8689901f95499e98e0209e75b4f268bf2af325c1 (patch)
tree46345436a0991f5b15b5aee253f66743c0f3ffa5 /gnu
parent300868ba57e3786dae399f3cac4fff39ad6c316f (diff)
downloadguix-8689901f95499e98e0209e75b4f268bf2af325c1.tar
guix-8689901f95499e98e0209e75b4f268bf2af325c1.tar.gz
Introduce the 'GUIX_PACKAGE_PATH' environment variable.
* gnu/packages.scm (%package-module-path): Honor $GUIX_PACKAGE_PATH. * test-env.in: Unset 'GUIX_PACKAGE_PATH'. * tests/guix-package.sh: Test it. * doc/guix.texi (Package Modules): Document it.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/packages.scm13
1 files changed, 12 insertions, 1 deletions
diff --git a/gnu/packages.scm b/gnu/packages.scm
index ddabacd199..6d128280cc 100644
--- a/gnu/packages.scm
+++ b/gnu/packages.scm
@@ -91,7 +91,18 @@
;; Search path for package modules. Each item must be either a directory
;; name or a pair whose car is a directory and whose cdr is a sub-directory
;; to narrow the search.
- (list (cons %distro-root-directory "gnu/packages")))
+ (let* ((not-colon (char-set-complement (char-set #\:)))
+ (environment (string-tokenize (or (getenv "GUIX_PACKAGE_PATH") "")
+ not-colon)))
+ ;; Automatically add items from $GUIX_PACKAGE_PATH to Guile's search path.
+ (for-each (lambda (directory)
+ (set! %load-path (cons directory %load-path))
+ (set! %load-compiled-path
+ (cons directory %load-compiled-path)))
+ environment)
+
+ (make-parameter
+ (append environment `((,%distro-root-directory . "gnu/packages"))))))
(define* (scheme-files directory)
"Return the list of Scheme files found under DIRECTORY."