only commit to git if the update is not the dry run

diff --git a/weekly-update.py b/weekly-update.py
index ad6ef1a43095fce7926a0ef25d8562020cd9d90c..acfc17bb8c0d67a760467e6e197e1cf4f28e9ed1 100755 (executable)
--- a/weekly-update.py
+++ b/weekly-update.py
@@ -25,8 +25,9 @@ with open('ledger', 'a') as f:
     f.write("\n")
     f.write(render.render_template('templates/ledger', date))
 
-subprocess.check_call(["git", "commit", "ledger",
-                       "-m", "Update for %s" % (date,)])
+if not dry_run:
+    subprocess.check_call(["git", "commit", "ledger",
+                           "-m", "Update for %s" % (date,)])
 
 debts = render.get_debts()
 punt = []