From bd9d357c9344f9c23919f5300ce780be2e2ddda0 Mon Sep 17 00:00:00 2001
From: Justin Davis <jrcd83@gmail.com>
Date: Thu, 23 Feb 2012 19:05:29 -0500
Subject: Start dir-based package trees. Adds catpkgtree.

---
 bin/catpkgtree | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 bin/catpkgtree

diff --git a/bin/catpkgtree b/bin/catpkgtree
new file mode 100644
index 0000000..846655c
--- /dev/null
+++ b/bin/catpkgtree
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+PROG=catpkgtree
+
+findnode()
+{
+	for f in *
+	do
+		[ "$f" = '*' ] && break
+		[ -f "$f" ] || continue
+		case f in
+		[0-9][0-9]-*)
+			n=`echo "$f" | sed 's/^...//'`
+			if [ "$n" = "$1" ]
+			then
+				echo "$f"
+				return 0
+			fi
+		esac
+	done
+	return 1
+}
+
+if [ $# -ne 1 ]
+then
+	echo "usage: $PROG [tree path] < [text to append]" 1>&2
+	exit 2
+fi
+
+if ! cd PKGTREE
+then
+	echo "$PROG: PKGTREE dir must be present in current dir" 1>&2
+	exit 100
+fi
+
+IFS=/ set -- "$1"
+if [ $# -lt 2 ]
+then
+	echo "$PROG: path to tree node must be separated by forward slashes" 1>&2
+	exit 101
+fi
+
+if ! cd "$1"
+then
+	echo "$PROG: $1 is not a valid package file" 1>&2
+	exit 102
+fi
+shift
+
+while [ $# -gt 1 ]
+do
+	f=`findnode $1`
+	if [ $? -ne 0 ] || ! cd "$f"
+	then
+		echo "$PROG: $1 is not a valid node name" >1&2
+		exit 102
+	fi
+	shift
+done
+
+f=`findnode $1`
+if [ $? -ne 0 ] || [ ! -f "$f" ]
+then
+	echo "$PROG: $f is not a valid final node" 1>&2
+	exit 102
+fi
+cat >> "$f"
-- 
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