aboutsummaryrefslogtreecommitdiff
path: root/gnu
diff options
context:
space:
mode:
Diffstat (limited to 'gnu')
-rw-r--r--gnu/packages/package-management.scm20
1 files changed, 13 insertions, 7 deletions
diff --git a/gnu/packages/package-management.scm b/gnu/packages/package-management.scm
index e19ce04716..ccd15cef6f 100644
--- a/gnu/packages/package-management.scm
+++ b/gnu/packages/package-management.scm
@@ -107,10 +107,16 @@ Guix is based on the Nix package manager.")
(define-public guix-0.4
;; XXX: Hack to allow the use of a 0.4ish tarball. This assumes that you
;; have run 'make dist' in your build tree. Remove when 0.4 is out.
- (package (inherit guix)
- (version "0.4rc")
- (source (let ((builddir (dirname
- (canonicalize-path
- (dirname (search-path %load-path
- "guix/config.scm"))))))
- (string-append builddir "/guix-0.4.tar.gz")))))
+ (let* ((builddir (dirname
+ (canonicalize-path
+ (dirname (search-path %load-path
+ "guix/config.scm")))))
+ (tarball (string-append builddir "/guix-0.4.tar.gz")))
+ (package (inherit guix)
+ (version "0.4rc")
+ (source (if (file-exists? tarball)
+ tarball
+ (begin
+ (format (current-error-port)
+ "warning: 'guix-0.4.tar.gz' not found~%")
+ (package-source guix)))))))