M .gitignore → .gitignore

@@ -1,3 +1,5 @@ 
 nimcache/
 nifty.exe
 nifty
+nifty.json
+packages/

A lib/project.nim

@@ -0,0 +1,62 @@ 
+import
+  os,
+  json,
+  logging,
+  strutils
+
+type
+  NiftyProject* = object
+    dir: string
+    storage: string
+    commands: JsonNode
+    packages: JsonNode
+
+
+proc newNiftyProject*(dir: string): NiftyProject =
+  result.dir = dir
+
+proc configFile*(prj: NiftyProject): string = 
+  return prj.dir/"nifty.json"
+
+proc configured*(prj: NiftyProject): bool =
+  return fileExists(prj.configFile)
+
+proc init*(prj: var NiftyProject, storage: string) =
+  prj.storage = storage
+  createDir(prj.dir/prj.storage)
+  var o = newJObject()
+  o["storage"] = %prj.storage
+  o["commands"] = newJObject()
+  o["commands"]["install"] = newJObject()
+  o["commands"]["install"]["git+src"] = %"git clone {{src}} --depth 1"
+  o["commands"]["install"]["git+src+tag"] = %"git clone --branch {{tag}} {{src}} --depth 1"
+  o["commands"]["update"] = newJObject()
+  o["commands"]["update"]["git+name"] = %"cd {{name}} && git pull; cd .."
+  o["packages"] = newJObject()
+  prj.configFile.writeFile(o.pretty)
+
+proc load*(prj: var NiftyProject) =
+  let cfg = prj.configFile.parseFile
+  prj.commands = cfg["commands"]
+  prj.packages = cfg["packages"]
+
+proc save*(prj: NiftyProject) = 
+  var o = newJObject()
+  o["storage"] = %prj.storage
+  o["commands"] = %prj.commands
+  o["packages"] = %prj.packages
+  prj.configFile.writeFile(o.pretty)
+
+proc map*(prj: var NiftyProject, alias: string, props: JsonNode) =
+  prj.load
+  if not prj.packages.hasKey alias:
+    notice "Adding package definition '$1'..." % alias
+    prj.packages[alias] = newJObject()
+    prj.packages[alias]["name"] = %alias
+  else:
+    notice "Updating package definition '$1'..." % alias
+  for key, val in props.pairs:
+    prj.packages[alias][key] = val
+    notice "  $1 = $2" % [key, $val]
+  prj.save
+  notice "Package definition '$1' saved." % alias

M nifty.nim → nifty.nim

@@ -6,34 +6,75 @@ logging,
   strutils
 
 import
-  lib/config,
   lib/logger
 
-when isMainModule:
-  let usage* = """  $1 v$2 - $3
-  """ % [appname, version, appdesc]
+newStyledConsoleLogger().addHandler()
+setLogFilter(lvlNotice)
+
+import
+  lib/config,
+  lib/project
+
+type
+  NiftyOption = object
+    key: string
+    val: JsonNode
+
+let usage* = """  $1 v$2 - $3
+""" % [appname, version, appdesc]
+
+var command: string
+var storage = "packages"
+
+var args = newSeq[string](0)
+var opts = newSeq[NiftyOption](0)
 
-  var file, s: string = ""
-  setLogFilter(lvlNotice)
-  
-  for kind, key, val in getopt():
-    case kind:
-      of cmdArgument:
-        file = key
-      of cmdLongOption, cmdShortOption:
-        case key:
-          of "log", "l":
-            var val = val
-            setLogLevel(val)
-          #of "evaluate", "e":
-          #  s = val
-          of "help", "h":
-            echo usage
-            quit(0)
-          of "version", "v":
-            echo version
-            quit(0)
+proc `%`(opts: seq[NiftyOption]): JsonNode =
+  result = newJObject()
+  for o in opts:
+    result[o.key] = o.val
+
+for kind, key, val in getopt():
+  case kind:
+    of cmdArgument:
+      args.add key 
+    of cmdLongOption, cmdShortOption:
+      case key:
+        of "log", "l":
+          var val = val
+          setLogLevel(val)
+        of "help", "h":
+          echo usage
+          quit(0)
+        of "version", "v":
+          echo version
+          quit(0)
+        of "storage", "s":
+          storage = val
+        else:
+          var v: JsonNode
+          if val == "true" or val == "":
+            v = %true
           else:
-            discard
-      else:
-        discard+            v = %val
+          opts.add NiftyOption(key: key, val: v)
+    else:
+      discard
+
+var prj = newNiftyProject(getCurrentDir())
+case args[0]:
+  of "init":
+    if prj.configured:
+      fatal "Project already configured."
+      quit(1)
+    prj.init(storage)
+    notice "Project initialized using '$1' as storage directory." % storage
+  of "map":
+    if args.len < 2:
+      fatal "No alias specified."
+      quit(2)
+    prj.map(args[1], %opts) 
+  else:
+    #TODO
+    echo usage
+    discard