run-tests.py: avoid using popen2.Popen4 - use subprocess instead
Use subprocess to emulate Popen4 if available - similar to how it is done in
util.py.
Using popen2 under python 2.6 gives
DeprecationWarning: The popen2 module is deprecated. Use the subprocess module.
adding a
adding b
Only in a: a
Only in a: b
diffing a.000000000000 a
hg falabala [OPTION]... [FILE]...
use 'echo' to diff repository (or selected files)
Show differences between revisions for the specified
files, using the 'echo' program.
When two revision arguments are given, then changes are
shown between those revisions. If only one revision is
specified then that revision is compared to the working
directory, and, when no revisions are specified, the
working directory files are compared to its parent.
options:
-o --option pass option to comparison program
-r --rev revision
-c --change change made by revision
-I --include include names matching the given patterns
-X --exclude exclude names matching the given patterns
use "hg -v help falabala" to show global options
diffing a.8a5febb7f867/a a.34eed99112ab/a
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
created new head
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
diffing a.2a13a4d2da36/a [tmp]/test-extdiff/a/a
diffing a.8a5febb7f867/a a.34eed99112ab/a
diffing a.2a13a4d2da36/a a.46c0e4daeb72/a
diff-like tools yield a non-zero exit code