[PATCH 2/5] hg-to-git: abort if the project directory is not a hg repo

[Miklos Vajna <vmiklos@xxxxxxxxxxxxxx>]

Check the exit code of the first hg command, and abort to avoid a later
ValueError exception.

Signed-off-by: Miklos Vajna <vmiklos@xxxxxxxxxxxxxx>
---
 contrib/hg-to-git/hg-to-git.py |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/contrib/hg-to-git/hg-to-git.py b/contrib/hg-to-git/hg-to-git.py
index 25d9941..130b1c4 100755
--- a/contrib/hg-to-git/hg-to-git.py
+++ b/contrib/hg-to-git/hg-to-git.py
@@ -106,7 +106,10 @@ if state:
     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
 
-- 
1.5.6.1.322.ge904b.dirty

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