Fix failure to print error message in verify_heads
commit48508ee29909fb6aae82c8e2d2619b5ab05c5f6a
authorchrisjbillington <chrisjbillington@gmail.com>
Fri, 6 Mar 2020 16:02:38 +0000 (6 11:02 -0500)
committerchrisjbillington <chrisjbillington@gmail.com>
Fri, 6 Mar 2020 16:02:38 +0000 (6 11:02 -0500)
treeea95607339793c67d10c87bcf92c3532a7a09df9
parent56da62847a53a76799010c7ccc9356f2f15f8ea2
Fix failure to print error message in verify_heads

On Python 3, `b'%s' % None` fails with a TypeError. In verify_heads,
an error message prints the sha1 of a git commit, but that sha1
can be None.

This commit instead prints `b'<None>'` if sha1 is None.
hg-fast-export.py