docs: updaterepository-backend

FossilOrigin-Name: ce40806183f3218daf6aed02b69dfb9cc7300ac94999f0cedfe6fe2f06adf65f

1 files changed, 2 insertions, 0 deletions

diff --git a/docs/cpt.texi b/docs/cpt.texi
index c39b393..0ff0e8d 100644
--- a/docs/cpt.texi
+++ b/docs/cpt.texi
@@ -293,6 +293,8 @@ If set to 1, @samp{cpt} will keep logs regardless of operation success.
 Set the temporary build directory name.
 @item @code{CPT_PROMPT}
 If set to 0, @samp{cpt} will not prompt you for anything.
+@item @code{CPT_REPO_CACHE}
+If set to 0, @samp{cpt} will not use or write repository information cache.
 @item @code{CPT_ROOT}
 If this variable is set, @samp{cpt} will assume the given path as the system root.
 @item @code{CPT_TEST}