diff options
Diffstat (limited to 'guix/store')
| -rw-r--r-- | guix/store/deduplication.scm | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/guix/store/deduplication.scm b/guix/store/deduplication.scm index b4d37d4525..8564f12107 100644 --- a/guix/store/deduplication.scm +++ b/guix/store/deduplication.scm @@ -34,7 +34,8 @@ #:use-module (guix serialization) #:export (nar-sha256 deduplicate - dump-file/deduplicate)) + dump-file/deduplicate + copy-file/deduplicate)) ;; XXX: This port is used as a workaround on Guile <= 2.2.4 where ;; 'port-position' throws to 'out-of-range' when the offset is great than or @@ -256,3 +257,16 @@ down the road." (get-hash))))) (deduplicate file hash #:store store)) + +(define* (copy-file/deduplicate source target + #:key (store (%store-directory))) + "Like 'copy-file', but additionally deduplicate TARGET in STORE." + (call-with-input-file source + (lambda (input) + (let ((stat (stat input))) + (dump-file/deduplicate target input (stat:size stat) + (if (zero? (logand (stat:mode stat) + #o100)) + 'regular + 'executable) + #:store store))))) |