add version info

src/base/version.nim

@@ -0,0 +1,22 @@
+import strutils, times
+
+const sep = '='.repeat(78)
+const head = "QEX Compilation information:"
+const comptime = "  Time: " & staticExec("date")
+const compmach = "  Host: " & staticExec("uname -a")
+const gitlog = "  Log: " & staticExec("git log -1").indent(7).strip
+const gitstat = "  Status: " & staticExec("git status -uno").indent(10).strip
+const buildInfo = [sep,head,comptime,compmach,gitlog,gitstat,sep].join("\n")
+const gitrev = staticExec("git rev-parse HEAD")
+
+static: echo buildInfo
+
+proc getBuildInfo*(): string =
+  buildInfo
+
+proc getVersion*(): string =
+  gitrev
+
+when isMainModule:
+  echo getBuildInfo()
+  echo getVersion()