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-rw-r--r--doc/guix.texi8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 4206076a9b..68d45d2a5f 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -595,6 +595,10 @@ Use @var{profile} instead of the user's default profile.
 @itemx -n
 Show what would be done without actually doing it.
 
+@item --fallback
+When substituting a pre-built binary fails, fall back to building
+packages locally.
+
 @item --no-substitutes
 @itemx --max-silent-time=@var{seconds}
 Same as for @command{guix build} (@pxref{Invoking guix build}).
@@ -1219,6 +1223,10 @@ the end of the build log.  This is useful when debugging build issues.
 @itemx -n
 Do not build the derivations.
 
+@item --fallback
+When substituting a pre-built binary fails, fall back to building
+packages locally.
+
 @item --no-substitutes
 Build instead of resorting to pre-built substitutes.