comparison mercurial/patch.py @ 7267:6a51ca1e05c3

patch: rewrite diffstat with util.filter()

Simpler and works under Windows.

7266:e7f6401584f7

        single(rev, seqno+1, fp)

def diffstat(patchlines):
    if not util.find_exe('diffstat'):
        return
    fd, name = tempfile.mkstemp(prefix="hg-patchbomb-", suffix=".txt")
    try:
        p = util.Popen3('diffstat -p1 -w79 2>/dev/null > ' + name)
        try:
            for line in patchlines:
                p.tochild.write(line + "\n")
            p.tochild.close()
            if p.wait(): return
            fp = os.fdopen(fd, 'r')
            stat = []
            for line in fp: stat.append(line.lstrip())
            last = stat.pop()
            stat.insert(0, last)
            stat = ''.join(stat)
            return stat
        except: raise
    finally:
        try: os.unlink(name)
        except: pass

7267:6a51ca1e05c3

        single(rev, seqno+1, fp)

def diffstat(patchlines):
    if not util.find_exe('diffstat'):
        return
    output = util.filter('\n'.join(patchlines),
                         'diffstat -p1 -w79 2>%s' % util.nulldev)
    stat = [l.lstrip() for l in output.splitlines(True)]
    last = stat.pop()
    stat.insert(0, last)
    stat = ''.join(stat)
    return stat