mpcdf_common.py 16 KB
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from __future__ import print_function

import osc
import osc.conf
import osc.core
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import osc.oscerr
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from functools import partial
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from xml.etree import ElementTree


def valid_mpi(compiler, mpi):
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    """
    It might be possible to use Intel MPI libararies and compilers from
    different Parallel Studio packages, but I currently do not want to support
    it.

    Take care to keep this in sync with the file 'macros.obs_cluster' of
    the package software:dist / mpcdf_cluster_macros
    """

    valid_intel_impi = {
        ("intel_17_0_4", "impi_2017_3"),
        ("intel_17_0_7", "impi_2017_4"),
        ("intel_18_0_1", "impi_2018_1"),
        ("intel_18_0_2", "impi_2018_2"),
        ("intel_18_0_3", "impi_2018_3"),
    }

    if compiler.startswith("intel") and mpi.startswith("impi"):
        return (compiler, mpi) in valid_intel_impi
    else:
        return True
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def valid_cuda(cuda, compiler):
    """
    The CUDA distribution only works with certain gcc versions,
    this little function takes care that only supported combinations
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    are allowed.

    Take care to keep this in sync with the file 'macros.obs_cluster' of
    the package software:dist / mpcdf_cluster_macros
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    """
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    if cuda == "cuda_8_0":
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        return compiler == "gcc_5"
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    if cuda == "cuda_9_1":
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        return compiler == "gcc_6_3_0"
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    if cuda == "cuda_9_2":
        return compiler == "gcc_7"
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    return False


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def project_meta(api_url, project):
    return ElementTree.fromstringlist(osc.core.show_project_meta(api_url, project))

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class UnsetAttributeException(Exception):
    pass


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def get_attribute(api_url, project, package, attribute, with_project=False):
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    attribute_meta = osc.core.show_attribute_meta(api_url, project, package, None, attribute, False, with_project)
    if attribute_meta is None:
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        raise osc.oscerr.APIError("Cannot fetch value for attribute '{0}' from {1}".format(attribute, (project, package)))
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    root = ElementTree.fromstringlist(attribute_meta)
    attribute = root.find("./attribute")
    if attribute is not None:
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        return root
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    else:
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        raise UnsetAttributeException("Attribute not set")
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def get_attribute_values(api_url, project, package, attribute, with_project=False):
    root = get_attribute(api_url, project, package, attribute, with_project)
    attribute = root.find("./attribute")
    return list(value.text for value in attribute.findall("./value"))


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def set_attribute(api_url, project, package, attribute):
    path = ["source", project]
    if package:
        path.append(package)
    path.append("_attribute")

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    attr_meta = ElementTree.tostring(attribute, encoding=osc.core.ET_ENCODING)
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    url = osc.core.makeurl(api_url, path)
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    resp = ElementTree.fromstringlist(osc.core.streamfile(url, osc.core.http_POST, data=attr_meta))
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    if resp.find("./summary").text != "Ok":
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        raise osc.oscerr.APIError("Could not store attribute")
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def set_attribute_values(api_url, project, package, attribute, values):
    root = ElementTree.Element("attributes")
    attr = ElementTree.SubElement(root, "attribute")

    namespace, name = attribute.split(":")
    attr.set("namespace", namespace)
    attr.set("name", name)

    for value in values:
        v = ElementTree.SubElement(attr, "value")
        v.text = value

    set_attribute(api_url, project, package, root)


def has_attribute(api_url, project, package, attribute):
    path = ["source", project]
    if package:
        path.append(package)
    path.append("_attribute")
    path.append(attribute)

    url = osc.core.makeurl(api_url, path)
    resp = ElementTree.fromstringlist(osc.core.streamfile(url, osc.core.http_GET))

    namespace, name = attribute.split(":")
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    for a in resp.findall("./attribute"):
        if a.get("namespace") == namespace and a.get("name") == name:
            return True
    return False


def remove_attribute(api_url, project, package, attribute_name):
    path = ["source"] + [project]
    if package:
        path.append(package)
    path.append("_attribute")
    path.append(attribute_name)

    url = osc.core.makeurl(api_url, path)
    resp = ElementTree.fromstringlist(osc.core.streamfile(url, osc.core.http_DELETE))
    if resp.find("./summary").text != "Ok":
        raise osc.oscerr.APIError("Could not remove attribute")


def mpcdf_enable_repositories(api_url, project, package, verbose=False):
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    from itertools import product
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    import sys
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    root = ElementTree.fromstringlist(osc.core.show_package_meta(api_url, project, package))
    build = root.find("./build")
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    if build is None:
        build = ElementTree.SubElement(root, "build")
    else:
        for enable in build.findall("./enable"):
            build.remove(enable)
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    try:
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        enable_repos = get_attribute_values(api_url, project, package, "MPCDF:enable_repositories")
    except Exception:
        if verbose:
            print("Warning: Could not get attribute MPCDF:enable_repositories for package {0}, skipping".format(package))
        return False
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    def try_get_attribute(attribute, package, with_project=False):
        try:
            return get_attribute_values(api_url, project, package, "MPCDF:" + attribute, with_project=with_project)
        except UnsetAttributeException:
            print("ERROR: Attribute MPCDF:" + attribute + " is not set, aborting here", file=sys.stderr)
            raise SystemExit(1)
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    compilers = try_get_attribute(package, "compiler_modules", with_project=True)
    all_compilers = try_get_attribute(None, "compiler_modules")
    mpis = try_get_attribute(package, "mpi_modules", with_project=True)
    cudas = try_get_attribute(package, "cuda_modules", with_project=True)

    default_compilers = try_get_attribute(None, "default_compiler")
    default_mpis = try_get_attribute(None, "default_mpi")
    default_cudas = try_get_attribute(None, "default_cuda")
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    def enable(name):
        node = ElementTree.Element("enable")
        node.set("repository", name)
        node.tail = "\n    "
        build.insert(0, node)
        if verbose:
            print("Enabling", name)

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    def actual_compilers():
        for compiler in compilers:
            if compiler == "intel":
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                for intel_compiler in filter(lambda cc: cc.startswith("intel"), all_compilers):
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                    yield intel_compiler
            elif compiler == "gcc":
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                for gcc_compiler in filter(lambda cc: cc.startswith("gcc"), all_compilers):
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                    yield gcc_compiler
            elif compiler == "default_compiler":
                for default_compiler in default_compilers:
                    yield default_compiler
            else:
                yield compiler

    def actual_mpis():
        for mpi in mpis:
            if mpi == "impi":
                for impi in filter(lambda cc: cc.startswith("impi"), mpis):
                    yield impi
            elif mpi == "default_mpi":
                for default_mpi in default_mpis:
                    yield default_mpi
            else:
                yield mpi

    def actual_cudas():
        for cuda in cudas:
            if cuda == "default_cuda":
                for default_cuda in default_cudas:
                    yield default_cuda
            else:
                yield cuda

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    for flag in enable_repos:

        if flag == "system":
            enable("System")

        if flag == "compilers":
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            for compiler in actual_compilers():
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                enable(compiler)
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        if flag == "mpi":
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            for mpi, compiler in product(actual_mpis(), actual_compilers()):
                if valid_mpi(compiler, mpi):
                    enable(mpi + "_" + compiler)
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        if flag == "cuda":
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            for cuda, compiler in product(actual_cudas(), all_compilers):
                if valid_cuda(cuda, compiler):
                    enable(cuda + "_" + compiler)
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        if flag == "cuda_mpi":
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            for cuda, mpi, compiler in product(actual_cudas(), actual_mpis(), all_compilers):
                if valid_cuda(cuda, compiler) and valid_mpi(compiler, mpi):
                        enable(cuda + "_" + mpi + "_" + compiler)
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    if len(build.getchildren()) > 0:
        build.getchildren()[-1].tail = "\n  "
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    pkg_meta = ElementTree.tostring(root, encoding=osc.core.ET_ENCODING)
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    osc.core.edit_meta("pkg", (project, package), data=pkg_meta)
    return True
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def mpcdf_setup_repositories(api_url, project, distribution=None, parent=None, packages=None, dry_run=False):
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    if parent:
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        for attribute in ["compiler_modules", "default_compiler", "mpi_modules", "default_mpi", "cuda_modules", "default_cuda"]:
            print("Copying attribute 'MPCDF:{0}' from parent project".format(attribute))
            set_attribute(api_url, project, None, get_attribute(api_url, parent, None, "MPCDF:" + attribute))
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    compilers = list(get_attribute_values(api_url, project, None, "MPCDF:compiler_modules"))
    mpis = list(get_attribute_values(api_url, project, None, "MPCDF:mpi_modules"))
    cudas = list(get_attribute_values(api_url, project, None, "MPCDF:cuda_modules"))

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    if distribution is None:
        # Get existing value from project meta
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        dist_repo = project_meta(api_url, project if parent is None else parent).find(
            "./repository[@name='System']/path[@project='distributions']")
        if dist_repo is not None:
            distribution = dist_repo.get("repository")
        else:
            raise osc.oscerr.WrongArgs("ERROR: Specify distribution or parent project")
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        print("Using '{0}' as base distribution".format(distribution))

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    distributions = project_meta(api_url, "distributions")
    dist_repo = distributions.find('./repository[@name="{0}"]'.format(distribution))
    if dist_repo is None:
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        raise osc.oscerr.WrongArgs("No repository '{0}' is defined in project 'distributions' on the server".format(distribution))
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    architectures = list(arch.text for arch in dist_repo.findall("./arch"))

    root = project_meta(api_url, project)

    prjconf = osc.core.show_project_conf(api_url, project)
    start_marker = "# Autogenerated by osc mpcdf_setup_repos, do not edit till end of section\n"
    end_marker = "# End of autogenerated section\n"

    try:
        start = prjconf.index(start_marker)
        end = prjconf.index(end_marker)
    except ValueError:
        start = None
        end = len(prjconf)

    prjconf_head = "".join(prjconf[:start])
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    prjconf_tail = "".join(prjconf[end + 1:])
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    prjconf = [start_marker]

    # Remove existing repositories
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    for oldrepo in root.findall("./repository"):
        root.remove(oldrepo)
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    def repo(name, *dependencies, **kwargs):
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        is_compiler = kwargs.pop("compiler", False)
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        is_mpi = kwargs.pop("mpi", False)
        is_cuda = kwargs.pop("cuda", False)
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        is_cuda_mpi = kwargs.pop("cuda_mpi", False)

        have_compiler = is_compiler or is_mpi or is_cuda or is_cuda_mpi
        have_mpi = is_mpi or is_cuda_mpi
        have_cuda = is_cuda or is_cuda_mpi

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        r = ElementTree.SubElement(root, "repository")
        r.set("name", name)
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        r.text = "\n    "

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        def path(project, repo):
            p = ElementTree.SubElement(r, "path")
            p.set("project", project)
            p.set("repository", repo)
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            p.tail = "\n    "
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        for dep_project, dep_repo in dependencies:
            path(dep_project, dep_repo)
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        if parent:
            path(parent, name)
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        for arch in architectures:
            a = ElementTree.SubElement(r, "arch")
            a.text = arch
            a.tail = "\n    "
        a.tail = "\n  "
        r.tail = "\n  "

        prjconf.append("%if %_repository == {0}".format(name))
        prjconf.append("Macros:")
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        prjconf.append("%is_compiler_repository {0}".format(1 if is_compiler else 0))
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        prjconf.append("%is_mpi_repository {0}".format(1 if is_mpi else 0))
        prjconf.append("%is_cuda_repository {0}".format(1 if is_cuda else 0))
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        prjconf.append("%is_cuda_mpi_repository {0}".format(1 if is_cuda_mpi else 0))

        prjconf.append("%have_mpcdf_compiler {0}".format(1 if have_compiler else 0))
        prjconf.append("%have_mpcdf_mpi {0}".format(1 if have_mpi else 0))
        prjconf.append("%have_mpcdf_cuda {0}".format(1 if have_cuda else 0))

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        for macro, value in kwargs.items():
            prjconf.append("%{0} {1}".format(macro, value))

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        prjconf.append(":Macros")
        prjconf.append("%endif")
        prjconf.append("")

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    if parent:
        repo("System")
    else:
        repo("System", ("distributions", distribution))
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    for compiler in compilers:
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        repo(compiler, (project, "System"), compiler=True)
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        for mpi in filter(partial(valid_mpi, compiler), mpis):
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            repo(mpi + "_" + compiler, (project, compiler), mpi=True, mpi_repository=mpi)
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    for cuda in cudas:
        for compiler in filter(partial(valid_cuda, cuda), compilers):
            repo(cuda + "_" + compiler, (project, compiler), cuda=True)
            for mpi in filter(partial(valid_mpi, compiler), mpis):
                repo(cuda + "_" + mpi + "_" + compiler,
                     (project, cuda + "_" + compiler),
                     (project, mpi + "_" + compiler),
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                     cuda_mpi=True)
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    # Remove build configuration
    build = root.find("./build")
    if build is None:
        build = ElementTree.Element("build")
        build.text = "\n    "
        disable = ElementTree.SubElement(build, "disable")
        disable.tail = "\n  "
        build.tail = "\n  "
        root.insert(list(root).index(root.find("./repository")), build)

    root.getchildren()[-1].tail = "\n"
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    prj = ElementTree.tostring(root, encoding=osc.core.ET_ENCODING)
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    prjconf.append(end_marker)
    prjconf = prjconf_head + "\n".join(prjconf) + prjconf_tail

    if dry_run:
        print("osc meta prj {0} -F - <<EOF\n{1}\nEOF\n".format(project, prj))
        print("osc meta prjconf {0} -F - <<EOF\n{1}\nEOF\n".format(project, prjconf))
    else:
        # First set-up the <enable/> flags, that way no
        # spurious builds are launched
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        if packages is None:
            packages = osc.core.meta_get_packagelist(api_url, project)
        for package in packages:
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            print("Updating repositories for", package)
            if not mpcdf_enable_repositories(api_url, project, package):
                print("ATTENTION: Not changing unmanaged package {0}".format(package))

        # Update repositories
        print("Updating prj meta")
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        osc.core.edit_meta("prj", project, data=prj, force=True)
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        print("Updating prjconf meta")
        osc.core.edit_meta("prjconf", project, data=prjconf)
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def set_as_branch(api_url, my_project, my_package, main_project, main_package):
    import os

    def dirmeta(project, package):
        url = osc.core.makeurl(api_url, ["source", project, package])
        return ElementTree.fromstringlist(osc.core.streamfile(url, osc.core.http_GET))

    srcmeta = dirmeta(my_project, my_package)
    dstmeta = dirmeta(main_project, main_package)

    linkinfo = srcmeta.find('./linkinfo')
    if linkinfo is not None:
        print("ERROR: package {0} is already linked to package {1} in project {2}".format(
              my_package, linkinfo.get("package"), linkinfo.get("project")))
        return False

    linkfile = ElementTree.Element("link")
    linkfile.set("project", main_project)
    linkfile.set("package", main_package)
    linkfile.set("baserev", dstmeta.get("srcmd5"))
    patches = ElementTree.SubElement(linkfile, "patches")
    ElementTree.SubElement(patches, "branch")

    url = osc.core.makeurl(api_url, ["source", my_project, my_package, "_link"])
    resp = ElementTree.fromstringlist(osc.core.streamfile(url, osc.core.http_PUT, data=ElementTree.tostring(linkfile)))
    rev = resp.get("rev")
    if rev is None:
        print("ERROR: Could not commit _link file")
        return False
    else:
        print("Commited as revision", rev)
        this_package = osc.core.store_read_package(os.curdir)
        this_project = osc.core.store_read_project(os.curdir)
        if this_package == my_package and this_project == my_project:
            pac = osc.core.filedir_to_pac(os.curdir)
            rev = pac.latest_rev(expand=True)
            pac.update(rev)
    return True