From 312791481034e06b198e15d1ce7525f64fbfeb7c Mon Sep 17 00:00:00 2001
From: intrigeri <intrigeri@boum.org>
Date: Sat, 25 Feb 2012 14:18:30 +0100
Subject: Document what features available to .sh jobs (Redmine #1558)

---
 README | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'README')

diff --git a/README b/README
index 8b138cf..9f296fb 100644
--- a/README
+++ b/README
@@ -239,3 +239,23 @@ VSERVERINFO (default: /usr/sbin/vserver-info)
 VSERVER (default: /usr/sbin/vserver)
 VROOTDIR (default: `$VSERVERINFO info SYSINFO |grep vserver-Rootdir | awk '{print $2}'`)
 
+
+.sh CONFIGURATION FILES
+=======================
+
+Shell jobs may use the following features:
+
+  * logging and control flow functions:
+    halt, fatal, error, warning, info, debug, passthru.
+    All such functions take a list of strings a parameters.
+    Those strings are passed to whatever logging mechanism is enabled,
+    and colored if relevant.
+
+  * Using "exit N" is useless, and has unspecified consequences.
+    Just don't do it.
+
+  * when=TIME works as documented above; at may also be written
+    "when = TIME".
+
+  * The $BACKUPNINJA_DEBUG environment variable is set when
+    backupninja is invoked with the -d option.
-- 
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