git-p4: filter for {'code':'info'} in p4CmdList

The function p4CmdList accepts a new argument: skip_info. When set to
True it ignores any 'code':'info' entry (skip_info=False by default).

That allows us to fix some of the tests in t9831-git-p4-triggers.sh
known to be broken with verobse p4 triggers
Signed-off-by: NMiguel Torroja <miguel.torroja@gmail.com>
Signed-off-by: NJunio C Hamano <gitster@pobox.com>

git-p4.py

@@ -313,7 +313,7 @@ def p4_move(src, dest):
     p4_system(["move", "-k", wildcard_encode(src), wildcard_encode(dest)])
 
 def p4_last_change():
-    results = p4CmdList(["changes", "-m", "1"])
+    results = p4CmdList(["changes", "-m", "1"], skip_info=True)
     return int(results[0]['change'])
 
 def p4_describe(change):
@@ -321,7 +321,7 @@ def p4_describe(change):
        the presence of field "time".  Return a dict of the
        results."""
 
-    ds = p4CmdList(["describe", "-s", str(change)])
+    ds = p4CmdList(["describe", "-s", str(change)], skip_info=True)
     if len(ds) != 1:
         die("p4 describe -s %d did not return 1 result: %s" % (change, str(ds)))
 
@@ -509,7 +509,7 @@ def isModeExec(mode):
 def isModeExecChanged(src_mode, dst_mode):
     return isModeExec(src_mode) != isModeExec(dst_mode)
 
-def p4CmdList(cmd, stdin=None, stdin_mode='w+b', cb=None):
+def p4CmdList(cmd, stdin=None, stdin_mode='w+b', cb=None, skip_info=False):
 
     if isinstance(cmd,basestring):
         cmd = "-G " + cmd
@@ -545,6 +545,9 @@ def p4CmdList(cmd, stdin=None, stdin_mode='w+b', cb=None):
     try:
         while True:
             entry = marshal.load(p4.stdout)
+            if skip_info:
+                if 'code' in entry and entry['code'] == 'info':
+                    continue
             if cb is not None:
                 cb(entry)
             else:

t/t9831-git-p4-triggers.sh

@@ -20,7 +20,7 @@ test_expect_success 'init depot' '
 	)
 '
 
-test_expect_failure 'clone with extra info lines from verbose p4 trigger' '
+test_expect_success 'clone with extra info lines from verbose p4 trigger' '
 	test_when_finished cleanup_git &&
 	(
 		p4 triggers -i <<-EOF
@@ -38,7 +38,7 @@ test_expect_failure 'clone with extra info lines from verbose p4 trigger' '
 	)
 '
 
-test_expect_failure 'import with extra info lines from verbose p4 trigger' '
+test_expect_success 'import with extra info lines from verbose p4 trigger' '
 	test_when_finished cleanup_git &&
 	(
 		cd "$cli" &&