From 27df78545696ec4e7d2d4da968c8140476af41fd Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Thu, 18 Nov 2010 18:31:47 -0200
Subject: Configuration version tracking to help keyring upgrades

---
 README                  |  2 --
 lib/keyringer/functions | 15 +++++++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/README b/README
index 7f1bbb6..b4ade4b 100644
--- a/README
+++ b/README
@@ -230,8 +230,6 @@ There are lots of things that can be enhanced, like:
 
   - Encrypted and signed configuration files such as "recipients" and "options".
 
-  - Configuration version tracking to help keyring upgrades.
-
 Development
 -----------
 
diff --git a/lib/keyringer/functions b/lib/keyringer/functions
index 0e61779..6395f2d 100644
--- a/lib/keyringer/functions
+++ b/lib/keyringer/functions
@@ -176,6 +176,7 @@ function keyringer_set_env {
   KEYDIR="$BASEDIR/keys"
   RECIPIENTS="$BASEDIR/config/recipients"
   OPTIONS="$BASEDIR/config/options"
+  VERSION_INFO="$BASEDIR/config/version"
 
   if [ -z "$BASEDIR" ]; then
     keyringer_action_usage
@@ -208,6 +209,20 @@ function keyringer_set_env {
 
   # Ensure that keydir exists
   mkdir -p "$KEYDIR" && chmod 700 "$KEYDIR"
+
+  # Check keyring config version
+  keyringer_check_version
+}
+
+# Configuration version tracking to help keyring upgrades
+function keyringer_check_version {
+  if [ ! -f "$VERSION_INFO" ]; then
+    echo "Creating configuration version file..."
+    echo 0 > $VERSION_INFO
+    keyringer_exec git "$BASEDIR" add config/version
+  fi
+
+  VERSION="`cat $VERSION_INFO`"
 }
 
 # Get a file argument
-- 
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