added command "incoming"

extensions/incoming.py

@@ -0,0 +1,39 @@
import os
import subprocess
from utilities import isGit, isMercurial, isBazaar
def incoming(arguments):
    '''
    Shows incoming commits.
    '''
    
    if isGit():
        out, err = executeCommandWithResponse(["git", "remote"])
        if not err and out:
            executeCommandWithResponse(["git", "remote", "update", "-p"])
            executeCommand(["git", "log", "..@{u}"])
    if isMercurial():
        out, err = executeCommandWithResponse(["git", "paths"])
        if not err and out:
            executeCommand(["hg", "incoming"])
    if isBazaar():
        out, err = executeCommandWithResponse(["bzr", "missing"])
        if not err and out:
            executeCommand(["bzr", "missing"])
def executeCommand(command):
    '''
    Execute the given command.
    '''
    subprocess.call(command, stderr=subprocess.STDOUT)
def executeCommandWithResponse(command):
    '''
    Execute the given command and return the output and errors.
    '''
    proc = subprocess.Popen(command, stderr=open(os.devnull, 'w'), stdout=subprocess.PIPE)
    return proc.communicate()