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-rw-r--r--doc/guix.texi24
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index cb51878004..80d67a44fa 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -10321,14 +10321,23 @@ updating list of substitutes from 'https://guix.example.org'... 100.0%
local hash: 0725l22r5jnzazaacncwsvp9kgf42266ayyp814v7djxs7nk963q
https://@value{SUBSTITUTE-SERVER}/nar/@dots{}-openssl-1.0.2d: 0725l22r5jnzazaacncwsvp9kgf42266ayyp814v7djxs7nk963q
https://guix.example.org/nar/@dots{}-openssl-1.0.2d: 1zy4fmaaqcnjrzzajkdn3f5gmjk754b43qkq47llbyak9z0qjyim
+ differing files:
+ /lib/libcrypto.so.1.1
+ /lib/libssl.so.1.1
+
/gnu/store/@dots{}-git-2.5.0 contents differ:
local hash: 00p3bmryhjxrhpn2gxs2fy0a15lnip05l97205pgbk5ra395hyha
https://@value{SUBSTITUTE-SERVER}/nar/@dots{}-git-2.5.0: 069nb85bv4d4a6slrwjdy8v1cn4cwspm3kdbmyb81d6zckj3nq9f
https://guix.example.org/nar/@dots{}-git-2.5.0: 0mdqa9w1p6cmli6976v4wi0sw9r4p5prkj7lzfd1877wk11c9c73
+ differing file:
+ /libexec/git-core/git-fsck
+
/gnu/store/@dots{}-pius-2.1.1 contents differ:
local hash: 0k4v3m9z1zp8xzzizb7d8kjj72f9172xv078sq4wl73vnq9ig3ax
https://@value{SUBSTITUTE-SERVER}/nar/@dots{}-pius-2.1.1: 0k4v3m9z1zp8xzzizb7d8kjj72f9172xv078sq4wl73vnq9ig3ax
https://guix.example.org/nar/@dots{}-pius-2.1.1: 1cy25x1a4fzq5rk0pmvc8xhwyffnqz95h2bpvqsz2mpvlbccy0gs
+ differing file:
+ /share/man/man1/pius.1.gz
@dots{}
@@ -10414,6 +10423,21 @@ The one option that matters is:
Consider @var{urls} the whitespace-separated list of substitute source
URLs to compare to.
+@item --diff=@var{mode}
+Upon mismatches, show differences according to @var{mode}, one of:
+
+@table @asis
+@item @code{simple} (the default)
+Show the list of files that differ.
+
+@item @code{none}
+Do not show further details about the differences.
+@end table
+
+Thus, unless @code{--diff=none} is passed, @command{guix challenge}
+downloads the store items from the given substitute servers so that it
+can compare them.
+
@item --verbose
@itemx -v
Show details about matches (identical contents) in addition to