test: make test-extdiff resilient to */gnubin/echo
My Mac test machine has 'echo' in '/opt/local/libexec/gnubin/echo' since, well,
GNU is not BSD.
Also, I feel it need to be said about using regexes:
Some people, when confronted with a problem, think "I know, I'll use regular
expressions." Now they have two problems.
--- a/tests/test-extdiff.t Thu Feb 26 23:30:33 2015 +0900
+++ b/tests/test-extdiff.t Thu Feb 26 10:23:04 2015 -0800
@@ -179,7 +179,7 @@
TODO
#else
$ hg --debug odd | grep '^running'
- running "*/bin/echo --foo='sp ace' 'sp ace' --bar='sp ace' 'sp ace'" in * (glob)
+ running "*/echo --foo='sp ace' 'sp ace' --bar='sp ace' 'sp ace'" in * (glob)
#endif
Empty argument must be quoted