first try

gintro.nimble

@@ -0,0 +1,65 @@
+# Package
+
+version       = "0.1.0"
+author        = "Stefan Salewski"
+description = "High level GObject-Introspection based GTK3 bindings"
+license       = "MIT"
+skipDirs = @["tests"]
+
+# Dependencies
+
+requires "nim >= 0.17.0"
+
+when defined(nimdistros):
+  import distros
+  if detectOs(Ubuntu) or detectOs(Debian):
+    foreignDep "libgtk-3-dev"
+  elif detectOs(Gentoo):
+    foreignDep "gtk+" # can we specify gtk3?
+  #else: we don't know the names for all the other distributions
+  #  foreignDep "openssl"
+
+import ospaths
+
+proc prep =
+  let this = thisDir()
+  let td = getTempDir()
+  cd(td)
+  let wd = "gintrosalewski"
+  if dirExists(wd):
+    quit("gintro: tmp directory already exists!")
+  mkDir(wd)
+  cd(wd)
+  mkDir("ngtk3")
+  cd("ngtk3")
+
+  exec("git clone https://github.com/ngtk3/nim-glib")
+  exec("git clone https://github.com/ngtk3/nim-gobject")
+  exec("git clone https://github.com/ngtk3/nim-gir")
+
+  cpFile(this / "tests" / "gen.nim", td / wd / "gen.nim")
+  cpFile(this / "tests" / "combinatorics.nim", td / wd / "combinatorics.nim")
+
+  cpFile("nim-glib/src/glib.nim", td / wd / "glib.nim")
+  cpFile("nim-gobject/src/gobject.nim", td / wd / "gobject.nim")
+  cpFile("nim-gir/src/gir.nim", td / wd / "gir.nim")
+
+  cd(td)
+  cd(wd)
+  exec("nim c gen.nim")
+  mkDir("nim_gi")
+  exec(td / wd / "gen")
+  let mods = listFiles("nim_gi")
+  for i in mods:
+    let j = i[7 .. ^1]
+    cpFile(i, this / "gintro" / j)
+  cd(td)
+  rmDir(wd) # cleanup
+
+task prepare, "preparing gintro":
+#before install:
+
+  echo "preparing gintro"
+  prep()
+  
+