Switch to importation tool, regression.

Regresses proper depedencies temporarily.

tools/importation.py

@@ -0,0 +1,57 @@
+#! /usr/bin/env python3
+
+import argparse
+import os
+import sys
+
+parser = argparse.ArgumentParser(
+  prog='importation',
+  description='Imports header / fs files')
+parser.add_argument('filename')
+parser.add_argument('-I', action='append')
+parser.add_argument('--set-version')
+parser.add_argument('--set-revision')
+args = parser.parse_args()
+bases = args.I or []
+
+results = []
+imported = set()
+
+def Import(filename):
+  filename = os.path.abspath(filename)
+  if filename in imported:
+    return
+  imported.add(filename)
+  with open(filename, 'r') as fh:
+    data = fh.read().splitlines()
+    for line in data:
+      if filename.endswith('.fs') and line.startswith('needs '):
+        sfilename = line.split(' ')[1]
+        sfilename = os.path.join(os.path.dirname(filename), sfilename)
+        Import(sfilename)
+      elif (filename.endswith('.h') or
+            filename.endswith('.cc') or
+            filename.endswith('.c')) and line.startswith('#include "'):
+        sfilename = line.split('"')[1]
+        done = False
+        for base in bases:
+          sfilename = os.path.join(base, sfilename)
+          if os.path.exists(sfilename):
+            Import(sfilename)
+            done = True
+            break
+        if not done:
+          results.append(line)
+      else:
+        results.append(line)
+
+def Process():
+  Import(args.filename)
+  for line in results:
+    if args.set_version:
+      line = line.replace('{{VERSION}}', args.set_version)
+    if args.set_revision:
+      line = line.replace('{{REVISION}}', args.set_revision)
+  print('\n'.join(results))
+
+Process()