def do_qa_sysroot(d):
    bb.note("QA checking do_populate_sysroot")
    sysroot_destdir = d.expand('${SYSROOT_DESTDIR}')
    for sysroot_dir in d.expand('${SYSROOT_DIRS}').split():
        qa_check_staged(sysroot_destdir + sysroot_dir, d)
    oe.qa.exit_with_message_if_errors("do_populate_sysroot for this recipe installed files with QA issues", d)

do_qa_sysroot(d)

def qa_check_staged(path,d):
    """
    Check staged la and pc files for common problems like references to the work
    directory.

    As this is run after every stage we should be able to find the one
    responsible for the errors easily even if we look at every .pc and .la file.
    """

    tmpdir = d.getVar('TMPDIR')
    workdir = os.path.join(tmpdir, "work")
    recipesysroot = d.getVar("RECIPE_SYSROOT")

    if bb.data.inherits_class("native", d) or bb.data.inherits_class("cross", d):
        pkgconfigcheck = workdir
    else:
        pkgconfigcheck = tmpdir

    skip = (d.getVar('INSANE_SKIP') or "").split()
    skip_la = False
    if 'la' in skip:
        bb.note("Recipe %s skipping qa checking: la" % d.getVar('PN'))
        skip_la = True

    skip_pkgconfig = False
    if 'pkgconfig' in skip:
        bb.note("Recipe %s skipping qa checking: pkgconfig" % d.getVar('PN'))
        skip_pkgconfig = True

    skip_shebang_size = False
    if 'shebang-size' in skip:
        bb.note("Recipe %s skipping qa checkking: shebang-size" % d.getVar('PN'))
        skip_shebang_size = True

    # find all .la and .pc files
    # read the content
    # and check for stuff that looks wrong
    for root, dirs, files in os.walk(path):
        for file in files:
            path = os.path.join(root,file)
            if file.endswith(".la") and not skip_la:
                with open(path) as f:
                    file_content = f.read()
                    file_content = file_content.replace(recipesysroot, "")
                    if workdir in file_content:
                        error_msg = "%s failed sanity test (workdir) in path %s" % (file,root)
                        oe.qa.handle_error("la", error_msg, d)
            elif file.endswith(".pc") and not skip_pkgconfig:
                with open(path) as f:
                    file_content = f.read()
                    file_content = file_content.replace(recipesysroot, "")
                    if pkgconfigcheck in file_content:
                        error_msg = "%s failed sanity test (tmpdir) in path %s" % (file,root)
                        oe.qa.handle_error("pkgconfig", error_msg, d)

            if not skip_shebang_size:
                global cpath
                cpath = oe.cachedpath.CachedPath()
                package_qa_check_shebang_size(path, "", d, None)
                cpath = None

# Walk over all files in a directory and call func

def package_qa_check_shebang_size(path, name, d, elf):
    global cpath

    if elf or cpath.islink(path) or not cpath.isfile(path):
        return

    try:
        with open(path, 'rb') as f:
            stanza = f.readline(130)
    except IOError:
        return

    if stanza.startswith(b'#!'):
        try:
            stanza.decode("utf-8")
        except UnicodeDecodeError:
            #If it is not a text file, it is not a script
            return

        if len(stanza) > 129:
            oe.qa.handle_error("shebang-size", "%s: %s maximum shebang size exceeded, the maximum size is 128." % (name, package_qa_clean_path(path, d, name)), d)
            return

def package_qa_clean_path(path, d, pkg=None):
    """
    Remove redundant paths from the path for display.  If pkg isn't set then
    TMPDIR is stripped, otherwise PKGDEST/pkg is stripped.
    """
    if pkg:
        path = path.replace(os.path.join(d.getVar("PKGDEST"), pkg), "/")
    return path.replace(d.getVar("TMPDIR"), "/").replace("//", "/")