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From a243df875ff905d1c676bd726b19bafea07b628c Mon Sep 17 00:00:00 2001
From: Robbie Harwood <rharwood@redhat.com>
Date: Wed, 6 Mar 2019 18:01:50 -0500
Subject: Document the double-colon behavior of DIR ccaches
(cherry picked from commit 5ba6e02a7b96ddd15dde01db0f9aff3d65773a8e)
ticket: 8789
version_fixed: 1.17.1
Patch-Category: upstream
---
doc/basic/ccache_def.rst | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/doc/basic/ccache_def.rst b/doc/basic/ccache_def.rst
index d147f0d7aa..53542adde9 100644
--- a/doc/basic/ccache_def.rst
+++ b/doc/basic/ccache_def.rst
@@ -51,6 +51,13 @@ library.
requirement is for parent directory to exist and the current
process must have permissions to create the directory if it does
not exist. See :ref:`col_ccache` for details. New in release 1.10.
+ The following residual forms are supported:
+
+ * DIR:dirname
+ * DIR::dirpath/filename - a single cache within the directory
+
+ Switching to a ccache of the latter type causes it to become the
+ primary for the directory.
#. **FILE** caches are the simplest and most portable. A simple flat
file format is used to store one credential after another. This is
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