tests: stabilize test-patch.t on Windows
$PYTHON needs to be quoted when invoking with cmd.exe, because the value expands
to c:/Python27/python.exe, which seems to be interpreted as 'c' being a command.
We can't just convert to '\', because there are a few places that run $PYTHON
directly in MSYS. If unquoted there, it results in c:Python27python.exe being
run. I wonder if we should bake the quotes into the environment variable to
avoid this.
It also wasn't happy with the quoting around exit1.py:
c:/Python27/python.exe: can't open file ''$TESTTMP/d/exit1.py'': [Errno 22] Invalid argument
--- a/tests/test-patch.t Mon May 21 23:04:28 2018 -0400
+++ b/tests/test-patch.t Sun May 20 23:05:18 2018 -0400
@@ -97,7 +97,7 @@
> sys.exit(1)
> EOF
- $ hg import ../c/p --config ui.patch="$PYTHON '`pwd`/exit1.py'"
+ $ hg import ../c/p --config ui.patch="\"$PYTHON\" \"`pwd`/exit1.py\""
applying ../c/p
abort: patch command failed: exited with status 1
[255]