From b7fc52ce27c4c415c322b0b0ed8eee296cfa47ee Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Tue, 26 Nov 2013 16:27:56 -0200
Subject: Builtin implementation for 'tree' action

---
 lib/keyringer/actions/tree | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/keyringer/actions/tree b/lib/keyringer/actions/tree
index 2033abd..8e94cb0 100755
--- a/lib/keyringer/actions/tree
+++ b/lib/keyringer/actions/tree
@@ -3,6 +3,11 @@
 # List keys.
 #
 
+# Thanks http://www.centerkey.com/tree/
+function keyringer_tree {
+  ls -R $* | grep ":$" | sed -e 's/:$//' -e 's/[^-][^\/]*\//--/g' -e 's/^/   /' -e 's/-/|/'
+}
+
 # Load functions
 LIB="`dirname $0`/../functions"
 source "$LIB" || exit 1
@@ -14,6 +19,13 @@ CWD="`pwd`"
 shift
 ARGS="`echo "$*" | sed -e "s|^/*||"`"
 
+# Check implementation
+if which tree &> /dev/null; then
+  TREE="tree"
+else
+  TREE="keyringer_tree"
+fi
+
 # Run list command
-cd "$KEYDIR" && tree $ARGS
+cd "$KEYDIR" && $TREE $ARGS
 cd "$CWD"
-- 
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