hg-to-git: abort if the project directory is not a hg repo

Check the exit code of the first hg command, and abort to avoid a later ValueError exception. Signed-off-by: Miklos Vajna <vmiklos@frugalware.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
git-mirror · Jul 6, 2008 · 2553ede · 2553ede
1 parent 6376cff
commit 2553ede
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/contrib/hg-to-git/hg-to-git.py b/contrib/hg-to-git/hg-to-git.py
@@ -106,7 +106,10 @@ def getgitenv(user, date):
     else:
         print 'State does not exist, first run'
 
-tip = os.popen('hg tip --template "{rev}"').read()
+sock = os.popen('hg tip --template "{rev}"')
+tip = sock.read()
+if sock.close():
+    sys.exit(1)
 if verbose:
     print 'tip is', tip