diff options
Diffstat (limited to 'guix/build/gnu-build-system.scm')
| -rw-r--r-- | guix/build/gnu-build-system.scm | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/guix/build/gnu-build-system.scm b/guix/build/gnu-build-system.scm index da6b31c326..8636931ed9 100644 --- a/guix/build/gnu-build-system.scm +++ b/guix/build/gnu-build-system.scm @@ -97,7 +97,11 @@ working directory." (begin (mkdir "source") (chdir "source") - (copy-recursively source ".") + + ;; Preserve timestamps (set to the Epoch) on the copied tree so that + ;; things work deterministically. + (copy-recursively source "." + #:keep-mtime? #t) #t) (and (zero? (system* "tar" "xvf" source)) (chdir (first-subdirectory "."))))) |