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author | Ludovic Courtès <ludo@gnu.org> | 2014-11-04 20:55:48 +0100 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2014-11-04 21:13:28 +0100 |
commit | 000c59b6719250ee94a597418765c2f7f0ad3969 (patch) | |
tree | 473f7840522e966cc473d1dd397fb8c574df137f | |
parent | 8de16914751966ba45789d619cac5246cbf53cac (diff) | |
download | guix-000c59b6719250ee94a597418765c2f7f0ad3969.tar guix-000c59b6719250ee94a597418765c2f7f0ad3969.tar.gz |
store: Invalidate caches once GC has run.
* guix/store.scm (run-gc): Add calls to 'hash-clear!'.
* tests/store.scm ("add-text-to-store vs. delete-paths",
"add-to-store vs. delete-paths"): New tests.
-rw-r--r-- | guix/store.scm | 7 | ||||
-rw-r--r-- | tests/store.scm | 25 |
2 files changed, 32 insertions, 0 deletions
diff --git a/guix/store.scm b/guix/store.scm index 452a2f1268..bc4c641583 100644 --- a/guix/store.scm +++ b/guix/store.scm @@ -728,6 +728,13 @@ and the number of bytes freed." (let ((paths (read-store-path-list s)) (freed (read-long-long s)) (obsolete (read-long-long s))) + (unless (null? paths) + ;; To be on the safe side, completely invalidate both caches. + ;; Otherwise we could end up returning store paths that are no longer + ;; valid. + (hash-clear! (nix-server-add-to-store-cache server)) + (hash-clear! (nix-server-add-text-to-store-cache server))) + (values paths freed)))) (define-syntax-rule (%long-long-max) diff --git a/tests/store.scm b/tests/store.scm index 88a8877d80..cb5370d5cc 100644 --- a/tests/store.scm +++ b/tests/store.scm @@ -158,6 +158,31 @@ (> freed 0) (not (file-exists? p)))))) +(test-assert "add-text-to-store vs. delete-paths" + ;; Before, 'add-text-to-store' would return PATH2 without noticing that it + ;; is no longer valid. + (with-store store + (let* ((text (random-text)) + (path (add-text-to-store store "delete-me" text)) + (deleted (delete-paths store (list path))) + (path2 (add-text-to-store store "delete-me" text))) + (and (string=? path path2) + (equal? deleted (list path)) + (valid-path? store path) + (file-exists? path))))) + +(test-assert "add-to-store vs. delete-paths" + ;; Same as above. + (with-store store + (let* ((file (search-path %load-path "guix.scm")) + (path (add-to-store store "delete-me" #t "sha256" file)) + (deleted (delete-paths store (list path))) + (path2 (add-to-store store "delete-me" #t "sha256" file))) + (and (string=? path path2) + (equal? deleted (list path)) + (valid-path? store path) + (file-exists? path))))) + (test-assert "references" (let* ((t1 (add-text-to-store %store "random1" (random-text))) |