tests: use inline Python instead of sed to add trailing whitespace
The sed invocation was failing on OS X and FreeBSD. I'm far too lazy
to diagnose that, so just use some inline Python to fix the build.
--- a/tests/test-diff-color.t Mon Jul 30 09:50:32 2018 -0400
+++ b/tests/test-diff-color.t Mon Jul 30 10:18:29 2018 -0400
@@ -54,8 +54,10 @@
trailing whitespace
$ cp a a.orig
- $ sed 's/^dd$/dd \r/' a >a.new
- $ mv a.new a
+ >>> with open('a', 'rb') as f:
+ ... data = f.read()
+ >>> with open('a', 'wb') as f:
+ ... f.write(data.replace('dd', 'dd \r'))
$ hg diff --nodates
\x1b[0;1mdiff -r cf9f4ba66af2 a\x1b[0m (esc)
\x1b[0;31;1m--- a/a\x1b[0m (esc)