tests/filtertmp.py

util.copyfiles: don't try os_link() again if it failed before

If the os_link() call on the first file in the directory fails [1],
we switch mode to using shutil.copy() for all remaining files.

[1] happens for example on Windows for every file when cloning from a UNC
path without specifying --pull.

#!/usr/bin/env python
#
# This used to be a simple sed call like:
#
#  $ sed "s:$HGTMP:*HGTMP*:"
#
# But $HGTMP has ':' under Windows which breaks the sed call.
#
import sys, os

input = sys.stdin.read()
input = input.replace(os.sep, '/')
hgtmp = os.environ['HGTMP'].replace(os.sep, '/')
input = input.replace(hgtmp, '$HGTMP')
sys.stdout.write(input)