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authorLudovic Courtès <ludo@gnu.org>2014-08-31 14:43:38 +0200
committerLudovic Courtès <ludo@gnu.org>2014-08-31 14:44:34 +0200
commit44d43c7a854effb2bc42eb9c0aea3594415fad6a (patch)
tree30402b9fd63d4d6e6293d4e3e13d678c159da5fe /tests
parent79601521fceb6b2f76d87cf3df45a76e43b1ffcf (diff)
downloadgnu-guix-44d43c7a854effb2bc42eb9c0aea3594415fad6a.tar
gnu-guix-44d43c7a854effb2bc42eb9c0aea3594415fad6a.tar.gz
daemon: Really enable automatic deduplication by default.
* nix/nix-daemon/guix-daemon.cc (main): Set 'autoStoreOptimise' to true. Add 'printMsg' call. * tests/derivations.scm ("identical files are deduplicated"): New test.
Diffstat (limited to 'tests')
-rw-r--r--tests/derivations.scm22
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/derivations.scm b/tests/derivations.scm
index 19bcebcb21..855b059d16 100644
--- a/tests/derivations.scm
+++ b/tests/derivations.scm
@@ -151,6 +151,28 @@
;; the contents.
(valid-path? %store (derivation->output-path drv)))))
+(test-assert "identical files are deduplicated"
+ (let* ((build1 (add-text-to-store %store "one.sh"
+ "echo hello, world > \"$out\"\n"
+ '()))
+ (build2 (add-text-to-store %store "two.sh"
+ "# Hey!\necho hello, world > \"$out\"\n"
+ '()))
+ (drv1 (derivation %store "foo"
+ %bash `(,build1)
+ #:inputs `((,%bash) (,build1))))
+ (drv2 (derivation %store "bar"
+ %bash `(,build2)
+ #:inputs `((,%bash) (,build2)))))
+ (and (build-derivations %store (list drv1 drv2))
+ (let ((file1 (derivation->output-path drv1))
+ (file2 (derivation->output-path drv2)))
+ (and (valid-path? %store file1) (valid-path? %store file2)
+ (string=? (call-with-input-file file1 get-string-all)
+ "hello, world\n")
+ (= (stat:ino (lstat file1))
+ (stat:ino (lstat file2))))))))
+
(test-assert "fixed-output-derivation?"
(let* ((builder (add-text-to-store %store "my-fixed-builder.sh"
"echo -n hello > $out" '()))