Rewrite genbuildusing to process all dirtbiked packages

4 files changed, 10 insertions, 104 deletions

diff --git a/debian/control b/debian/control
index 8ce9f4c..8154dae 100644
--- a/debian/control
+++ b/debian/control
@@ -82,25 +82,6 @@ Architecture: all
 Depends: ca-certificates,
          ${misc:Depends},
 Built-Using: ${pip:Built-Using}
-X-Built-Using:
-             chardet,
-             distlib,
-             html5lib,
-             pyparsing,
-             appdirs,
-             python-cachecontrol,
-             python-colorama,
-             python-distro,
-             python-ipaddress,
-             python-lockfile,
-             python-packaging,
-             python-progress,
-             python-retrying,
-             python-setuptools,
-             python-urllib3,
-             python-webencodings,
-             requests,
-             six,
 Breaks: python-chardet-whl (<< 2.3.0-2),
         python-colorama-whl (<< 0.3.6-1),
         python-distlib-whl (<< 0.2.2-1),
diff --git a/debian/genbuildusing.py b/debian/genbuildusing.py
deleted file mode 100755
index a082b58..0000000
--- a/debian/genbuildusing.py
+++ /dev/null
@@ -1,84 +0,0 @@
-#!/usr/bin/python3
-import os
-import sys
-import gzip
-from debian.deb822 import Deb822, PkgRelation, _PkgRelationMixin
-from debian.changelog import Changelog
-
-class Control(Deb822, _PkgRelationMixin):
-    """
-    This class automatically parses relationship fields.
-    """
-    _relationship_fields = [
-        'build-depends',
-        'x-built-using',
-        'built-using',
-        'depends',
-        'pre-depends',
-        'recommends',
-        'suggests',
-        'breaks',
-        'conflicts',
-        'provides',
-        'replaces',
-        'enhances',
-    ]
-
-    def __init__(self, *args, **kwargs):
-        # type: (*Any, **Any) -> None
-        Deb822.__init__(self, *args, **kwargs)
-        _PkgRelationMixin.__init__(self, *args, **kwargs)
-
-source_pkg = None
-wheel_pkg = None
-
-# We cannot put unversioned source package names in Built-Using
-# since dpkg-gencontrol doesn’t allow overriding them with
-# versioned package names (unlike in, say, Depends), making
-# that non-trivial to substitute.
-# 
-# Instead, we put them into X-Built-Using, which also prevents
-# them from leaking into the binary package’s control file.
-
-for pkg in Control.iter_paragraphs(open('debian/control')):
-    if 'Source' in pkg:
-        source_pkg = pkg
-    if 'X-Built-Using' in pkg:
-        wheel_pkg = pkg
-
-if not source_pkg and not wheel_pkg:
-    print('no source packages or packages with Built-Using found', file=sys.stderr)
-    exit(1)
-
-if len(sys.argv) < 2:
-    print('substvars file required', file=sys.stderr)
-    exit(1)
-
-substvars_file = sys.argv[1]
-
-def nowarn(*args):
-    pass
-
-# To prevent the parser from complaining about substitutions
-import warnings
-warnings.warn = nowarn
-
-# if len(...) is needed to allow the trailing comma
-# this doesn’t allow alternative built-dependencies
-build_depends = [x[0]['name'] for x in source_pkg.relations['build-depends'] if len(x[0]['name'])]
-# this also filters out substitutions — no longer needed since we need X-Built-Using anyway :(
-built_using = [x[0]['name'] for x in wheel_pkg.relations['x-built-using'] if not x[0]['name'].startswith('${')]
-
-def get_source_and_version(pkg):
-    # try non-native location first
-    changelog_path = os.path.join('/usr/share/doc', pkg, 'changelog.Debian.gz')
-    if not os.path.exists(changelog_path):
-        changelog_path = os.path.join('/usr/share/doc', pkg, 'changelog.gz')
-    changelog = Changelog(file=gzip.open(changelog_path, 'rb'))
-    return changelog.get_package(), changelog.get_version()
-
-build_depends_sources = [get_source_and_version(x) for x in build_depends]
-
-built_using_versions = [[{'name': pkg, 'version': ('=', str(ver))}] for (pkg, ver) in build_depends_sources if pkg in built_using]
-
-print('pip:Built-Using=%s' % PkgRelation.str(built_using_versions), file=open(substvars_file, 'a'))
diff --git a/debian/genbuildusing.sh b/debian/genbuildusing.sh
new file mode 100755
index 0000000..8eb0be4
--- /dev/null
+++ b/debian/genbuildusing.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+pydeps=$(grep -o 'dirtbike.*' debian/rules | cut -d' ' -f 2)
+debdeps=$(for pkg in $pydeps
+do
+    dpkg -S /usr/lib/python3/dist-packages/$pkg* 2>/dev/null 2>/dev/null | cut -d: -f1
+done)
+
+echo "pip:Built-Using="$(dpkg-query -f '${source:Package} (= ${source:Version}),\n' -W $debdeps | sort)
diff --git a/debian/rules b/debian/rules
index ae5e15d..2f50b96 100755
--- a/debian/rules
+++ b/debian/rules
@@ -71,7 +71,7 @@ override_dh_auto_install:
 	python3 setup.py bdist_wheel \
 		--universal \
 		-d $(CURDIR)/debian/python-pip-whl/usr/share/python-wheels
-	debian/genbuildusing.py debian/python-pip-whl.substvars
+	debian/genbuildusing.sh >> debian/python-pip-whl.substvars
 
 override_dh_installchangelogs:
 	dh_installchangelogs NEWS.rst