hg2git.py: Don't complain die for non-existent heads
tree9ea7d55985a04a575f4838350ccb5bf0aec4d386
-rw-r--r-- 12438 hg2git.py
-rwxr-xr-x 2385 hg2git.sh
-rw-r--r-- 1448 hg2git.txt