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-rw-r--r--doc/guix.texi18
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index afb4108800..6a3765f56a 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -814,6 +814,11 @@ builds to other machines (@pxref{Daemon Offload Setup}).
@item --cache-failures
Cache build failures. By default, only successful builds are cached.
+When this option is used, @command{guix gc --list-failures} can be used
+to query the set of store items marked as failed; @command{guix gc
+--clear-failures} removes store items from the set of cached failures.
+@xref{Invoking guix gc}.
+
@item --cores=@var{n}
@itemx -c @var{n}
Use @var{n} CPU cores to build each derivation; @code{0} means as many
@@ -1674,6 +1679,19 @@ Attempt to delete all the store files and directories specified as
arguments. This fails if some of the files are not in the store, or if
they are still live.
+@item --list-failures
+List store items corresponding to cached build failures.
+
+This prints nothing unless the daemon was started with
+@option{--cache-failures} (@pxref{Invoking guix-daemon,
+@option{--cache-failures}}).
+
+@item --clear-failures
+Remove the specified store items from the failed-build cache.
+
+Again, this option only makes sense when the daemon is started with
+@option{--cache-failures}. Otherwise, it does nothing.
+
@item --list-dead
Show the list of dead files and directories still present in the
store---i.e., files and directories no longer reachable from any root.