doc: document true command

Create a man-page for the true command. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2021-01-22 19:25:53 +01:00 · 2021-01-22 19:25:53 +01:00 · 9d4445bc6d
parent a3ad3079c0
commit 9d4445bc6d
2 changed files with 29 additions and 0 deletions
--- a/doc/usage/index.rst
+++ b/doc/usage/index.rst
@ -24,3 +24,4 @@ Shell commands
   mbr
   pstore
   sbi
+   true
--- a/doc/usage/true.rst
+++ b/doc/usage/true.rst
@ -0,0 +1,28 @@
+true command
+============
+
+Synopsis
+--------
+
+::
+
+    true
+
+Description
+-----------
+
+The true command sets the return value $? to 0 (true).
+
+Example
+-------
+
+::
+
+    => true; echo $?
+    0
+    =>
+
+Configuration
+-------------
+
+The true command is only available if CONFIG_HUSH_PARSER=y.