core: fixes and tests for handling of fetcher attributes in packages
- Packages can remove the top-level `url` attribute and still work
- These are now legal:
- Packages with *only* version-specific URLs (even with gaps)
- Packages with a top-level git/hg/svn attribute and `version`
directives for that.
- If a package has both a top-level hg/git/svn attribute AND a top-level
url attribute, the url attribute takes precedence.
This commit is contained in:
Todd Gamblin
parent
5792a805fc
commit
498d8cf04b
9 changed files with 389 additions and 40 deletions
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@ -971,9 +971,18 @@ def args_are_for(args, fetcher):
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def for_package_version(pkg, version):
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"""Determine a fetch strategy based on the arguments supplied to
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version() in the package description."""
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# If it's not a known version, extrapolate one.
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if not isinstance(version, Version):
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version = Version(version)
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# If it's not a known version, extrapolate one by URL.
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if version not in pkg.versions:
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try:
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url = pkg.url_for_version(version)
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except spack.package.NoURLError:
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msg = ("Can't extrapolate a URL for version %s "
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"because package %s defines no URLs")
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raise ExtrapolationError(msg % (version, pkg.name))
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if not url:
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raise InvalidArgsError(pkg, version)
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return URLFetchStrategy(url)
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@ -987,10 +996,11 @@ def for_package_version(pkg, version):
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return fetcher(**args)
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# If nothing matched for a *specific* version, test all strategies
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# against
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# against attributes in the version directives and on the package
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for fetcher in all_strategies:
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attrs = dict((attr, getattr(pkg, attr, None))
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for attr in fetcher.required_attributes)
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attrs = dict((attr, getattr(pkg, attr))
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for attr in fetcher.required_attributes
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if hasattr(pkg, attr))
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if 'url' in attrs:
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attrs['url'] = pkg.url_for_version(version)
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attrs.update(args)
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@ -1080,6 +1090,10 @@ class NoDigestError(FetchError):
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"""Raised after attempt to checksum when URL has no digest."""
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class ExtrapolationError(FetchError):
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"""Raised when we can't extrapolate a version for a package."""
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class InvalidArgsError(FetchError):
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def __init__(self, pkg, version):
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msg = ("Could not construct a fetch strategy for package %s at "
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@ -45,6 +45,7 @@
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from six import StringIO
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from six import string_types
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from six import with_metaclass
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from ordereddict_backport import OrderedDict
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import llnl.util.tty as tty
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@ -487,13 +488,6 @@ def __init__(self, spec):
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except ValueError as e:
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raise ValueError("In package %s: %s" % (self.name, e.message))
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# stage used to build this package.
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self._stage = None
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# Init fetch strategy and url to None
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self._fetcher = None
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self.url = getattr(self.__class__, 'url', None)
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# Set a default list URL (place to find available versions)
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if not hasattr(self, 'list_url'):
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self.list_url = None
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@ -501,15 +495,17 @@ def __init__(self, spec):
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if not hasattr(self, 'list_depth'):
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self.list_depth = 0
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# Set up some internal variables for timing.
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# init internal variables
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self._stage = None
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self._fetcher = None
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# Set up timing variables
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self._fetch_time = 0.0
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self._total_time = 0.0
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if self.is_extension:
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spack.repo.get(self.extendee_spec)._check_extendable()
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self.extra_args = {}
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super(PackageBase, self).__init__()
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def possible_dependencies(
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@ -577,17 +573,46 @@ def version(self):
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@memoized
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def version_urls(self):
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"""Return a list of URLs for different versions of this
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package, sorted by version. A version's URL only appears
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in this list if it has an explicitly defined URL."""
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version_urls = {}
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for v in sorted(self.versions):
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args = self.versions[v]
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"""OrderedDict of explicitly defined URLs for versions of this package.
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Return:
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An OrderedDict (version -> URL) different versions of this
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package, sorted by version.
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A version's URL only appears in the result if it has an an
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explicitly defined ``url`` argument. So, this list may be empty
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if a package only defines ``url`` at the top level.
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"""
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version_urls = OrderedDict()
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for v, args in sorted(self.versions.items()):
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if 'url' in args:
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version_urls[v] = args['url']
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return version_urls
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# TODO: move this out of here and into some URL extrapolation module?
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def nearest_url(self, version):
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"""Finds the URL with the "closest" version to ``version``.
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This uses the following precedence order:
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1. Find the next lowest or equal version with a URL.
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2. If no lower URL, return the next *higher* URL.
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3. If no higher URL, return None.
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"""
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version_urls = self.version_urls()
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if version in version_urls:
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return version_urls[version]
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last_url = None
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for v, u in self.version_urls().items():
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if v > version:
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if last_url:
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return last_url
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last_url = u
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return last_url
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def url_for_version(self, version):
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"""Returns a URL from which the specified version of this package
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may be downloaded.
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@ -600,17 +625,22 @@ def url_for_version(self, version):
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if not isinstance(version, Version):
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version = Version(version)
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cls = self.__class__
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if not (hasattr(cls, 'url') or self.version_urls()):
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raise NoURLError(cls)
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# If we have a specific URL for this version, don't extrapolate.
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version_urls = self.version_urls()
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if version in version_urls:
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return version_urls[version]
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# If we have no idea, substitute the version into the default URL.
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default_url = getattr(self.__class__, 'url', None)
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# If no specific URL, use the default, class-level URL
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default_url = getattr(self, 'url', None)
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# if no exact match AND no class-level default, use the nearest URL
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if not default_url:
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default_url = self.nearest_url(version)
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# if there are NO URLs to go by, then we can't do anything
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if not default_url:
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raise NoURLError(self.__class__)
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return spack.url.substitute_version(
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default_url, self.url_version(version))
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@ -26,6 +26,7 @@
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import pytest
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import spack.repo
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import spack.fetch_strategy
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from spack.paths import mock_packages_path
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from spack.util.naming import mod_to_class
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from spack.spec import Spec
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@ -166,10 +167,10 @@ def test_import_namespace_container_modules(self):
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import spack.pkg.builtin.mock as m # noqa
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from spack.pkg.builtin import mock # noqa
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@pytest.mark.regression('2737')
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def test_urls_for_versions(self):
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# Checks that a version directive without a 'url' argument
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# specified uses the default url
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@pytest.mark.regression('2737')
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def test_urls_for_versions(mock_packages, config):
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"""Version directive without a 'url' argument should use default url."""
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for spec_str in ('url_override@0.9.0', 'url_override@1.0.0'):
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s = Spec(spec_str).concretized()
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url = s.package.url_for_version('0.9.0')
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@ -180,3 +181,92 @@ def test_urls_for_versions(self):
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url = s.package.url_for_version('0.8.1')
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assert url == 'http://www.doesnotexist.org/url_override-0.8.1.tar.gz'
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def test_url_for_version_with_no_urls():
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pkg = spack.repo.get('git-test')
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with pytest.raises(spack.package.NoURLError):
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pkg.url_for_version('1.0')
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with pytest.raises(spack.package.NoURLError):
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pkg.url_for_version('1.1')
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def test_url_for_version_with_only_overrides(mock_packages, config):
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spec = Spec('url-only-override')
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spec.concretize()
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pkg = spack.repo.get(spec)
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# these exist and should just take the URL provided in the package
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assert pkg.url_for_version('1.0.0') == 'http://a.example.com/url_override-1.0.0.tar.gz'
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assert pkg.url_for_version('0.9.0') == 'http://b.example.com/url_override-0.9.0.tar.gz'
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assert pkg.url_for_version('0.8.1') == 'http://c.example.com/url_override-0.8.1.tar.gz'
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# these don't exist but should still work, even if there are only overrides
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assert pkg.url_for_version('1.0.5') == 'http://a.example.com/url_override-1.0.5.tar.gz'
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assert pkg.url_for_version('0.9.5') == 'http://b.example.com/url_override-0.9.5.tar.gz'
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assert pkg.url_for_version('0.8.5') == 'http://c.example.com/url_override-0.8.5.tar.gz'
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assert pkg.url_for_version('0.7.0') == 'http://c.example.com/url_override-0.7.0.tar.gz'
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def test_url_for_version_with_only_overrides_with_gaps(mock_packages, config):
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spec = Spec('url-only-override-with-gaps')
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spec.concretize()
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pkg = spack.repo.get(spec)
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# same as for url-only-override -- these are specific
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assert pkg.url_for_version('1.0.0') == 'http://a.example.com/url_override-1.0.0.tar.gz'
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assert pkg.url_for_version('0.9.0') == 'http://b.example.com/url_override-0.9.0.tar.gz'
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assert pkg.url_for_version('0.8.1') == 'http://c.example.com/url_override-0.8.1.tar.gz'
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# these don't have specific URLs, but should still work by extrapolation
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assert pkg.url_for_version('1.0.5') == 'http://a.example.com/url_override-1.0.5.tar.gz'
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assert pkg.url_for_version('0.9.5') == 'http://b.example.com/url_override-0.9.5.tar.gz'
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assert pkg.url_for_version('0.8.5') == 'http://c.example.com/url_override-0.8.5.tar.gz'
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assert pkg.url_for_version('0.7.0') == 'http://c.example.com/url_override-0.7.0.tar.gz'
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def test_git_top_level(mock_packages, config):
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"""Ensure that top-level git attribute can be used as a default."""
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pkg = spack.repo.get('git-top-level')
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fetcher = spack.fetch_strategy.for_package_version(pkg, '1.0')
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assert isinstance(fetcher, spack.fetch_strategy.GitFetchStrategy)
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assert fetcher.url == 'https://example.com/some/git/repo'
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def test_svn_top_level(mock_packages, config):
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"""Ensure that top-level svn attribute can be used as a default."""
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pkg = spack.repo.get('svn-top-level')
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fetcher = spack.fetch_strategy.for_package_version(pkg, '1.0')
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assert isinstance(fetcher, spack.fetch_strategy.SvnFetchStrategy)
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assert fetcher.url == 'https://example.com/some/svn/repo'
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def test_hg_top_level(mock_packages, config):
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"""Ensure that top-level hg attribute can be used as a default."""
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pkg = spack.repo.get('hg-top-level')
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fetcher = spack.fetch_strategy.for_package_version(pkg, '1.0')
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assert isinstance(fetcher, spack.fetch_strategy.HgFetchStrategy)
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assert fetcher.url == 'https://example.com/some/hg/repo'
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def test_no_extrapolate_without_url(mock_packages, config):
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"""Verify that we can't extrapolate versions for non-URL packages."""
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pkg = spack.repo.get('git-top-level')
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with pytest.raises(spack.fetch_strategy.ExtrapolationError):
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spack.fetch_strategy.for_package_version(pkg, '1.1')
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def test_git_and_url_top_level(mock_packages, config):
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"""Verify that URL takes precedence over other top-level attributes."""
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pkg = spack.repo.get('git-and-url-top-level')
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fetcher = spack.fetch_strategy.for_package_version(pkg, '2.0')
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assert isinstance(fetcher, spack.fetch_strategy.URLFetchStrategy)
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assert fetcher.url == 'https://example.com/some/tarball-2.0.tar.gz'
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@ -0,0 +1,38 @@
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##############################################################################
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# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/spack/spack
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# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License (as
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# published by the Free Software Foundation) version 2.1, February 1999.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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# conditions of the GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##############################################################################
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from spack import *
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class GitAndUrlTopLevel(Package):
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"""Mock package that uses git for fetching."""
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homepage = "http://www.git-fetch-example.com"
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git = 'https://example.com/some/git/repo'
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url = 'https://example.com/some/tarball-1.0.tar.gz'
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version('2.0')
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def install(self, spec, prefix):
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pass
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@ -0,0 +1,36 @@
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##############################################################################
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# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/spack/spack
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# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License (as
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# published by the Free Software Foundation) version 2.1, February 1999.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
|
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# conditions of the GNU Lesser General Public License for more details.
|
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#
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# You should have received a copy of the GNU Lesser General Public
|
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# License along with this program; if not, write to the Free Software
|
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##############################################################################
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from spack import *
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class GitTopLevel(Package):
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"""Mock package that uses git for fetching."""
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homepage = "http://www.git-fetch-example.com"
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git = 'https://example.com/some/git/repo'
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version('1.0')
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def install(self, spec, prefix):
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pass
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@ -0,0 +1,36 @@
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##############################################################################
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# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/spack/spack
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# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
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#
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# This program is free software; you can redistribute it and/or modify
|
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# it under the terms of the GNU Lesser General Public License (as
|
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# published by the Free Software Foundation) version 2.1, February 1999.
|
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
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# conditions of the GNU Lesser General Public License for more details.
|
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#
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# You should have received a copy of the GNU Lesser General Public
|
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# License along with this program; if not, write to the Free Software
|
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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##############################################################################
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from spack import *
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class HgTopLevel(Package):
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"""Test package that does fetching with mercurial."""
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homepage = "http://www.hg-fetch-example.com"
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hg = 'https://example.com/some/hg/repo'
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version('1.0')
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def install(self, spec, prefix):
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pass
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@ -0,0 +1,35 @@
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##############################################################################
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# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
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# Produced at the Lawrence Livermore National Laboratory.
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#
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# This file is part of Spack.
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# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
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# LLNL-CODE-647188
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#
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# For details, see https://github.com/spack/spack
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# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
|
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#
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# This program is free software; you can redistribute it and/or modify
|
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# it under the terms of the GNU Lesser General Public License (as
|
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# published by the Free Software Foundation) version 2.1, February 1999.
|
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
|
||||
# conditions of the GNU Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
##############################################################################
|
||||
from spack import *
|
||||
|
||||
|
||||
class SvnTopLevel(Package):
|
||||
"""Mock package that uses svn for fetching."""
|
||||
|
||||
svn = 'https://example.com/some/svn/repo'
|
||||
version('1.0')
|
||||
|
||||
def install(self, spec, prefix):
|
||||
pass
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
##############################################################################
|
||||
# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
|
||||
# Produced at the Lawrence Livermore National Laboratory.
|
||||
#
|
||||
# This file is part of Spack.
|
||||
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
|
||||
# LLNL-CODE-647188
|
||||
#
|
||||
# For details, see https://github.com/spack/spack
|
||||
# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Lesser General Public License (as
|
||||
# published by the Free Software Foundation) version 2.1, February 1999.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but
|
||||
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
|
||||
# conditions of the GNU Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
##############################################################################
|
||||
from spack import *
|
||||
|
||||
|
||||
class UrlOnlyOverrideWithGaps(Package):
|
||||
homepage = 'http://www.example.com'
|
||||
|
||||
version('1.0.5', 'abcdef0')
|
||||
version('1.0.0', 'bcdef0a', url='http://a.example.com/url_override-1.0.0.tar.gz')
|
||||
version('0.9.5', 'cdef0ab')
|
||||
version('0.9.0', 'def0abc', url='http://b.example.com/url_override-0.9.0.tar.gz')
|
||||
version('0.8.5', 'ef0abcd')
|
||||
version('0.8.1', 'f0abcde', url='http://c.example.com/url_override-0.8.1.tar.gz')
|
||||
version('0.7.0', '0abcdef')
|
||||
|
|
@ -0,0 +1,33 @@
|
|||
##############################################################################
|
||||
# Copyright (c) 2013-2018, Lawrence Livermore National Security, LLC.
|
||||
# Produced at the Lawrence Livermore National Laboratory.
|
||||
#
|
||||
# This file is part of Spack.
|
||||
# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
|
||||
# LLNL-CODE-647188
|
||||
#
|
||||
# For details, see https://github.com/spack/spack
|
||||
# Please also see the NOTICE and LICENSE files for our notice and the LGPL.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Lesser General Public License (as
|
||||
# published by the Free Software Foundation) version 2.1, February 1999.
|
||||
#
|
||||
# This program is distributed in the hope that it will be useful, but
|
||||
# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
|
||||
# conditions of the GNU Lesser General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU Lesser General Public
|
||||
# License along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
##############################################################################
|
||||
from spack import *
|
||||
|
||||
|
||||
class UrlOnlyOverride(Package):
|
||||
homepage = 'http://www.example.com'
|
||||
|
||||
version('1.0.0', 'cxyzab', url='http://a.example.com/url_override-1.0.0.tar.gz')
|
||||
version('0.9.0', 'bcxyza', url='http://b.example.com/url_override-0.9.0.tar.gz')
|
||||
version('0.8.1', 'cxyzab', url='http://c.example.com/url_override-0.8.1.tar.gz')
|
||||
Loading…
Reference in a new issue