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authorLudovic Courtès <ludo@gnu.org>2016-10-28 21:28:18 +0200
committerLudovic Courtès <ludo@gnu.org>2016-10-28 22:30:17 +0200
commit343dc11702bf71876795b5d158cad860deca53a1 (patch)
treef76669e9a32c799380fb7246adddd3521f55a733 /doc
parent12b6c951cf5ca6055a22a2eec85665353f5510e5 (diff)
downloadguix-343dc11702bf71876795b5d158cad860deca53a1.tar.gz
guix hash: Interpret '-' as standard input.
* guix/scripts/hash.scm (guix-hash)[file-hash]: Special-case "-".
* tests/guix-hash.sh: Add test.
* doc/guix.texi (Invoking guix hash): Document it.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 1293b8bc1e..22d353c3b9 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4791,7 +4791,9 @@ The general syntax is:
 guix hash @var{option} @var{file}
 @end example
 
-@command{guix hash} has the following options:
+When @var{file} is @code{-} (a hyphen), @command{guix hash} computes the
+hash of data read from standard input.  @command{guix hash} has the
+following options:
 
 @table @code