1 files changed, 46 insertions, 0 deletions
diff --git a/toolkit/mozapps/installer/informulate.py b/toolkit/mozapps/installer/informulate.py
new file mode 100644
index 000000000..6af43ac68
--- /dev/null
+++ b/toolkit/mozapps/installer/informulate.py
@@ -0,0 +1,46 @@
+#!/usr/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import sys
+import json
+import buildconfig
+
+
+def parse_cmdline(args):
+    """Take a list of strings in the format K=V and turn them into a python
+    dictionary"""
+    contents = {}
+    for arg in args:
+        key, s, value = arg.partition("=")
+        if s == '':
+            print "ERROR: Malformed command line key value pairing (%s)" % arg
+            exit(1)
+        contents[key.lower()] = value
+    return contents
+
+
+def main():
+    if len(sys.argv) < 2:
+        print "ERROR: You must specify an output file"
+        exit(1)
+
+    all_key_value_pairs = {}
+    important_substitutions = [
+        'target_alias', 'target_cpu', 'target_os', 'target_vendor',
+        'host_alias', 'host_cpu', 'host_os', 'host_vendor',
+        'MOZ_UPDATE_CHANNEL', 'MOZ_APP_VENDOR', 'MOZ_APP_NAME',
+        'MOZ_APP_VERSION', 'MOZ_APP_MAXVERSION', 'MOZ_APP_ID',
+        'CC', 'CXX', 'LD', 'AS']
+
+    all_key_value_pairs = dict([(x.lower(), buildconfig.substs[x]) for x in important_substitutions])
+    all_key_value_pairs.update(parse_cmdline(sys.argv[2:]))
+
+    with open(sys.argv[1], "w+") as f:
+        json.dump(all_key_value_pairs, f, indent=2, sort_keys=True)
+        f.write('\n')
+
+
+if __name__=="__main__":
+    main()