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authorLudovic Courtès <ludo@gnu.org>2021-12-17 17:15:16 +0100
committerLudovic Courtès <ludo@gnu.org>2021-12-17 17:30:28 +0100
commit4204156eb4c1afd5365ef505e356f87daa91787d (patch)
tree40542c3fd927f53cc63eb0776594493143727043 /doc
parent28ffdc5cc815e981281e2aa67a81280666985f0f (diff)
doc: Format 'guix hash -S' values as a table.
* doc/guix.texi (Invoking guix hash): Format serializer types as a table.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi17
1 files changed, 13 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 31a23874b1..aca88cdada 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -11758,18 +11758,27 @@ legacy alias for @var{type} sets to @code{nar}.
@itemx -S
Compute the hash on @var{file} using @var{type} serialization.
-Supported types: @code{none}, @code{nar} and @code{git}.
+@var{type} may be one of the following:
-When using @code{nar}, the hash is computed on an archive containing
+@table @code
+@item none
+This is the default: it computes the hash of a file's contents.
+
+@item nar
+Compute the hash of a ``normalized archive'' (or ``nar'') containing
@var{file}, including its children if it is a directory. Some of the
metadata of @var{file} is part of the archive; for instance, when
@var{file} is a regular file, the hash is different depending on whether
@var{file} is executable or not. Metadata such as time stamps has no
-impact on the hash (@pxref{Invoking guix archive}).
+impact on the hash (@pxref{Invoking guix archive}, for more info on the
+nar format).
@c FIXME: Replace xref above with xref to an ``Archive'' section when
@c it exists.
-Using @code{git} serializes the file or directory as a Git tree.
+@item git
+Compute the has of the file or directory as a Git ``tree'', following
+the same method as the Git version control system.
+@end table
@item --exclude-vcs
@itemx -x