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-rw-r--r--guix/scripts/hash.scm4
1 files changed, 3 insertions, 1 deletions
diff --git a/guix/scripts/hash.scm b/guix/scripts/hash.scm
index b269ead50f..a339a8556b 100644
--- a/guix/scripts/hash.scm
+++ b/guix/scripts/hash.scm
@@ -139,7 +139,9 @@ and 'hexadecimal' can be used as well).\n"))
(write-file file port #:select? select?)
(force-output port)
(get-hash))
- (call-with-input-file file port-sha256))))
+ (match file
+ ("-" (port-sha256 (current-input-port)))
+ (_ (call-with-input-file file port-sha256))))))
(match args
((file)