From aa73784d72d74f8dbfcfbe0c2e5075a7f7579bd8 Mon Sep 17 00:00:00 2001
From: Xie Yanbo <xieyanbo@gmail.com>
Date: Wed, 19 Feb 2020 19:11:11 +0800
Subject: [PATCH] read version from nimble config file

---
 src/leveldb.nim | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/leveldb.nim b/src/leveldb.nim
index 83b63a6..9b937f9 100644
--- a/src/leveldb.nim
+++ b/src/leveldb.nim
@@ -19,11 +19,19 @@ type
   LevelDbException* = object of Exception
 
 const
+  version* = block:
+    let content = staticRead"../leveldb.nimble"
+    var version_line: string
+    for line in content.split("\L"):
+      if line.startsWith("version"):
+        version_line = line
+        break
+    let raw = version_line.split("=", maxsplit = 1)[1]
+    raw.strip().strip(chars = {'"'})
+
   levelDbTrue = uint8(1)
   levelDbFalse = uint8(0)
 
-  version* = "0.3.0"
-
 proc free(p: pointer) {.importc.}
 
 proc checkError(errPtr: cstring) =