inherit package

IMAGE_PKGTYPE ?= "ipk"

IPKGCONF_TARGET = "${WORKDIR}/opkg.conf"
IPKGCONF_SDK =  "${WORKDIR}/opkg-sdk.conf"

PKGWRITEDIRIPK = "${WORKDIR}/deploy-ipks"

# Program to be used to build opkg packages
OPKGBUILDCMD ??= "opkg-build"

OPKG_ARGS = "--force_postinstall --prefer-arch-to-version"
OPKG_ARGS += "${@['', '--no-install-recommends'][d.getVar("NO_RECOMMENDATIONS", True) == "1"]}"
OPKG_ARGS += "${@['', '--add-exclude ' + ' --add-exclude '.join((d.getVar('PACKAGE_EXCLUDE', True) or "").split())][(d.getVar("PACKAGE_EXCLUDE", True) or "") != ""]}"

OPKGLIBDIR = "${localstatedir}/lib"

python do_package_ipk () {
    import re, copy
    import textwrap
    import subprocess

    workdir = d.getVar('WORKDIR', True)
    outdir = d.getVar('PKGWRITEDIRIPK', True)
    tmpdir = d.getVar('TMPDIR', True)
    pkgdest = d.getVar('PKGDEST', True)
    if not workdir or not outdir or not tmpdir:
        bb.error("Variables incorrectly set, unable to package")
        return

    packages = d.getVar('PACKAGES', True)
    if not packages or packages == '':
        bb.debug(1, "No packages; nothing to do")
        return

    # We're about to add new packages so the index needs to be checked
    # so remove the appropriate stamp file.
    if os.access(os.path.join(tmpdir, "stamps", "IPK_PACKAGE_INDEX_CLEAN"), os.R_OK):
        os.unlink(os.path.join(tmpdir, "stamps", "IPK_PACKAGE_INDEX_CLEAN"))

    def cleanupcontrol(root):
        for p in ['CONTROL', 'DEBIAN']:
            p = os.path.join(root, p)
            if os.path.exists(p):
                bb.utils.prunedir(p)

    for pkg in packages.split():
        localdata = bb.data.createCopy(d)
        root = "%s/%s" % (pkgdest, pkg)

        lf = bb.utils.lockfile(root + ".lock")

        localdata.setVar('ROOT', '')
        localdata.setVar('ROOT_%s' % pkg, root)
        pkgname = localdata.getVar('PKG_%s' % pkg, True)
        if not pkgname:
            pkgname = pkg
        localdata.setVar('PKG', pkgname)

        localdata.setVar('OVERRIDES', pkg)

        bb.data.update_data(localdata)
        basedir = os.path.join(os.path.dirname(root))
        arch = localdata.getVar('PACKAGE_ARCH', True)
        pkgoutdir = "%s/%s" % (outdir, arch)
        bb.utils.mkdirhier(pkgoutdir)
        os.chdir(root)
        cleanupcontrol(root)
        from glob import glob
        g = glob('*')
        if not g and localdata.getVar('ALLOW_EMPTY') != "1":
            bb.note("Not creating empty archive for %s-%s-%s" % (pkg, localdata.getVar('PKGV', True), localdata.getVar('PKGR', True)))
            bb.utils.unlockfile(lf)
            continue

        controldir = os.path.join(root, 'CONTROL')
        bb.utils.mkdirhier(controldir)
        try:
            ctrlfile = open(os.path.join(controldir, 'control'), 'w')
        except OSError:
            bb.utils.unlockfile(lf)
            raise bb.build.FuncFailed("unable to open control file for writing.")

        fields = []
        pe = d.getVar('PKGE', True)
        if pe and int(pe) > 0:
            fields.append(["Version: %s:%s-%s\n", ['PKGE', 'PKGV', 'PKGR']])
        else:
            fields.append(["Version: %s-%s\n", ['PKGV', 'PKGR']])
        fields.append(["Description: %s\n", ['DESCRIPTION']])
        fields.append(["Section: %s\n", ['SECTION']])
        fields.append(["Priority: %s\n", ['PRIORITY']])
        fields.append(["Maintainer: %s\n", ['MAINTAINER']])
        fields.append(["License: %s\n", ['LICENSE']])
        fields.append(["Architecture: %s\n", ['PACKAGE_ARCH']])
        fields.append(["OE: %s\n", ['PN']])
        fields.append(["Homepage: %s\n", ['HOMEPAGE']])

        def pullData(l, d):
            l2 = []
            for i in l:
                l2.append(d.getVar(i, True))
            return l2

        ctrlfile.write("Package: %s\n" % pkgname)
        # check for required fields
        try:
            for (c, fs) in fields:
                for f in fs:
                    if localdata.getVar(f) is None:
                        raise KeyError(f)
                # Special behavior for description...
                if 'DESCRIPTION' in fs:
                    summary = localdata.getVar('SUMMARY', True) or localdata.getVar('DESCRIPTION', True) or "."
                    ctrlfile.write('Description: %s\n' % summary)
                    description = localdata.getVar('DESCRIPTION', True) or "."
                    description = textwrap.dedent(description).strip()
                    if '\\n' in description:
                        # Manually indent
                        for t in description.split('\\n'):
                            # We don't limit the width when manually indent, but we do
                            # need the textwrap.fill() to set the initial_indent and
                            # subsequent_indent, so set a large width
                            ctrlfile.write('%s\n' % textwrap.fill(t.strip(), width=100000, initial_indent=' ', subsequent_indent=' '))
                    else:
                        # Auto indent
                        ctrlfile.write('%s\n' % textwrap.fill(description, width=74, initial_indent=' ', subsequent_indent=' '))
                else:
                    ctrlfile.write(c % tuple(pullData(fs, localdata)))
        except KeyError:
            import sys
            (type, value, traceback) = sys.exc_info()
            ctrlfile.close()
            bb.utils.unlockfile(lf)
            raise bb.build.FuncFailed("Missing field for ipk generation: %s" % value)
        # more fields

        custom_fields_chunk = get_package_additional_metadata("ipk", localdata)
        if custom_fields_chunk is not None:
            ctrlfile.write(custom_fields_chunk)
            ctrlfile.write("\n")

        mapping_rename_hook(localdata)

        def debian_cmp_remap(var):
            # In debian '>' and '<' do not mean what it appears they mean
            #   '<' = less or equal
            #   '>' = greater or equal
            # adjust these to the '<<' and '>>' equivalents
            #
            for dep in var:
                for i, v in enumerate(var[dep]):
                    if (v or "").startswith("< "):
                        var[dep][i] = var[dep][i].replace("< ", "<< ")
                    elif (v or "").startswith("> "):
                        var[dep][i] = var[dep][i].replace("> ", ">> ")

        rdepends = bb.utils.explode_dep_versions2(localdata.getVar("RDEPENDS", True) or "")
        debian_cmp_remap(rdepends)
        rrecommends = bb.utils.explode_dep_versions2(localdata.getVar("RRECOMMENDS", True) or "")
        debian_cmp_remap(rrecommends)
        rsuggests = bb.utils.explode_dep_versions2(localdata.getVar("RSUGGESTS", True) or "")
        debian_cmp_remap(rsuggests)
        rprovides = bb.utils.explode_dep_versions2(localdata.getVar("RPROVIDES", True) or "")
        debian_cmp_remap(rprovides)
        rreplaces = bb.utils.explode_dep_versions2(localdata.getVar("RREPLACES", True) or "")
        debian_cmp_remap(rreplaces)
        rconflicts = bb.utils.explode_dep_versions2(localdata.getVar("RCONFLICTS", True) or "")
        debian_cmp_remap(rconflicts)

        if rdepends:
            ctrlfile.write("Depends: %s\n" % bb.utils.join_deps(rdepends))
        if rsuggests:
            ctrlfile.write("Suggests: %s\n" % bb.utils.join_deps(rsuggests))
        if rrecommends:
            ctrlfile.write("Recommends: %s\n" % bb.utils.join_deps(rrecommends))
        if rprovides:
            ctrlfile.write("Provides: %s\n" % bb.utils.join_deps(rprovides))
        if rreplaces:
            ctrlfile.write("Replaces: %s\n" % bb.utils.join_deps(rreplaces))
        if rconflicts:
            ctrlfile.write("Conflicts: %s\n" % bb.utils.join_deps(rconflicts))
        src_uri = localdata.getVar("SRC_URI", True) or "None"
        if src_uri:
            src_uri = re.sub("\s+", " ", src_uri)
            ctrlfile.write("Source: %s\n" % " ".join(src_uri.split()))
        ctrlfile.close()

        for script in ["preinst", "postinst", "prerm", "postrm"]:
            scriptvar = localdata.getVar('pkg_%s' % script, True)
            if not scriptvar:
                continue
            try:
                scriptfile = open(os.path.join(controldir, script), 'w')
            except OSError:
                bb.utils.unlockfile(lf)
                raise bb.build.FuncFailed("unable to open %s script file for writing." % script)
            scriptfile.write(scriptvar)
            scriptfile.close()
            os.chmod(os.path.join(controldir, script), 0755)

        conffiles_str = localdata.getVar("CONFFILES", True)
        if conffiles_str:
            try:
                conffiles = open(os.path.join(controldir, 'conffiles'), 'w')
            except OSError:
                bb.utils.unlockfile(lf)
                raise bb.build.FuncFailed("unable to open conffiles for writing.")
            for f in conffiles_str.split():
                if os.path.exists(oe.path.join(root, f)):
                    conffiles.write('%s\n' % f)
            conffiles.close()

        os.chdir(basedir)
        ret = subprocess.call("PATH=\"%s\" %s %s %s" % (localdata.getVar("PATH", True),
                                                          d.getVar("OPKGBUILDCMD",1), pkg, pkgoutdir), shell=True)
        if ret != 0:
            bb.utils.unlockfile(lf)
            raise bb.build.FuncFailed("opkg-build execution failed")

        cleanupcontrol(root)
        bb.utils.unlockfile(lf)

}

SSTATETASKS += "do_package_write_ipk"
do_package_write_ipk[sstate-inputdirs] = "${PKGWRITEDIRIPK}"
do_package_write_ipk[sstate-outputdirs] = "${DEPLOY_DIR_IPK}"

python do_package_write_ipk_setscene () {
    tmpdir = d.getVar('TMPDIR', True)

    if os.access(os.path.join(tmpdir, "stamps", "IPK_PACKAGE_INDEX_CLEAN"), os.R_OK):
        os.unlink(os.path.join(tmpdir, "stamps", "IPK_PACKAGE_INDEX_CLEAN"))

    sstate_setscene(d)
}
addtask do_package_write_ipk_setscene

python () {
    if d.getVar('PACKAGES', True) != '':
        deps = ' opkg-utils-native:do_populate_sysroot virtual/fakeroot-native:do_populate_sysroot'
        d.appendVarFlag('do_package_write_ipk', 'depends', deps)
        d.setVarFlag('do_package_write_ipk', 'fakeroot', "1")
}

python do_package_write_ipk () {
    bb.build.exec_func("read_subpackage_metadata", d)
    bb.build.exec_func("do_package_ipk", d)
}
do_package_write_ipk[dirs] = "${PKGWRITEDIRIPK}"
do_package_write_ipk[cleandirs] = "${PKGWRITEDIRIPK}"
do_package_write_ipk[umask] = "022"
addtask package_write_ipk before do_package_write after do_packagedata do_package

PACKAGEINDEXES += "[ ! -e ${DEPLOY_DIR_IPK} ] || package_update_index_ipk;"
PACKAGEINDEXDEPS += "opkg-utils-native:do_populate_sysroot"
PACKAGEINDEXDEPS += "opkg-native:do_populate_sysroot"