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-rw-r--r--guix/utils.scm12
-rw-r--r--tests/utils.scm6
2 files changed, 15 insertions, 3 deletions
diff --git a/guix/utils.scm b/guix/utils.scm
index c321ad9943..f8b05e7e80 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -210,7 +210,13 @@ buffered data is lost."
"Return the lzip port produced by calling PROC (a symbol) on PORT and ARGS.
Raise an error if lzlib support is missing."
(let ((make-port (module-ref (resolve-interface '(lzlib)) proc)))
- (values (make-port port) '())))
+ (make-port port)))
+
+(define (zstd-port proc port . args)
+ "Return the zstd port produced by calling PROC (a symbol) on PORT and ARGS.
+Raise an error if zstd support is missing."
+ (let ((make-port (module-ref (resolve-interface '(zstd)) proc)))
+ (make-port port)))
(define (decompressed-port compression input)
"Return an input port where INPUT is decompressed according to COMPRESSION,
@@ -222,6 +228,8 @@ a symbol such as 'xz."
('gzip (filtered-port `(,%gzip "-dc") input))
('lzip (values (lzip-port 'make-lzip-input-port input)
'()))
+ ('zstd (values (zstd-port 'make-zstd-input-port input)
+ '()))
(_ (error "unsupported compression scheme" compression))))
(define (call-with-decompressed-port compression port proc)
@@ -281,6 +289,8 @@ program--e.g., '(\"--fast\")."
('gzip (filtered-output-port `(,%gzip "-c" ,@options) output))
('lzip (values (lzip-port 'make-lzip-output-port output)
'()))
+ ('zstd (values (zstd-port 'make-zstd-output-port output)
+ '()))
(_ (error "unsupported compression scheme" compression))))
(define* (call-with-compressed-output-port compression port proc
diff --git a/tests/utils.scm b/tests/utils.scm
index c278b2a277..9bce446d98 100644
--- a/tests/utils.scm
+++ b/tests/utils.scm
@@ -228,8 +228,10 @@ skip these tests."
get-bytevector-all)))))
(for-each test-compression/decompression
- '(gzip xz lzip)
- (list (const #t) (const #t) (const #t)))
+ `(gzip xz lzip zstd)
+ (list (const #t) (const #t) (const #t)
+ (lambda ()
+ (resolve-module '(zstd) #t #f #:ensure #f))))
;; This is actually in (guix store).
(test-equal "store-path-package-name"