import-checker: extract function to generate a formatted warning This is the stub to embed lineno. See the next patch for details.

import-checker: make it executable for convenience

test-fileset: glob the updated file count for Windows stability Some of the prior changes are platform dependent, involving symlinks, exec bits and non portable names. An update 10 lines above also globbed this value to avoid differences, since this line isn't of particular interest- the filesets are.

tests: tolerate differences between Linux and Windows error strings These are related to differences in how missing files and network connection failures are displayed. I opted to combine the strings in one line instead of using '#if windows' blocks around entire commands in order to avoid future changes being accidentally missed in the Windows sections. Globbing away the entire output seemed wrong, as it could mask other failures. The raw messages involved are: Linux Windows "* not known" <-> "getaddrinfo failed" "Connection refused" <-> "No connection could be made because the target machine actively refused it" "No such file or directory" <-> "The system cannot find the file specified" Issue 4941 indicates that NetBSD has yet another string for "* not known". Also, the histedit test shows that the missing file is printed first on Windows, last on Linux. That is controlled in windows.py:posixfile if we care to change it.

test-largefiles-cache: add glob for Windows

tests: make 'f' tool open files in binary mode when hexdumping On Windows, the various bundle hexdumps were being truncated at the first occurrence of 0x1a. The line endings in the sequence generation then needs to be standardized on LF so that the file is the same for the tool tests.