[linux] 03/04: Add gensource

[debian-kernel at lists.debian.org]

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waldi pushed a commit to branch waldi/submodule
in repository linux.

commit 599d4f9240bca39decfd6ead613e3b11d1d270cb
Author: Bastian Blank <waldi at debian.org>
Date:   Sun Aug 30 21:09:14 2015 +0200

    Add gensource
---
 debian/bin/gensource.py | 113 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)

diff --git a/debian/bin/gensource.py b/debian/bin/gensource.py
new file mode 100755
index 0000000..4d19092
--- /dev/null
+++ b/debian/bin/gensource.py
@@ -0,0 +1,113 @@
+#!/usr/bin/env python3
+
+import sys
+sys.path.append("debian/lib/python")
+
+import io
+import os
+import os.path
+import subprocess
+import tarfile
+import tempfile
+import time
+
+from debian_linux.debian import Changelog, VersionLinux
+
+
+class Main(object):
+    def __init__(self):
+        self.log = sys.stdout.write
+
+        changelog = Changelog(version=VersionLinux)[0]
+        source = changelog.source
+        version = changelog.version
+
+        self.tar_orig = '{}_{}.orig.tar.xz'.format(source, version.upstream)
+        self.tar_debian = '{}_{}-{}.debian.tar.xz'.format(source, version.upstream, version.revision)
+
+        self.revs = {
+                'orig': self.source_revision('orig'),
+                'none': self.source_revision('none'),
+        }
+
+        from pprint import pprint
+        pprint(self.__dict__)
+
+    def __call__(self):
+        self.create_tar()
+
+        subprocess.check_call((
+            'dpkg-source',
+            '--target-format=3.0 (quilt)',
+            '--build', '.',
+            self.tar_orig,
+            self.tar_debian,
+        ))
+
+    def source_revision(self, name):
+        return subprocess.check_output((
+            'git',
+            '--git-dir=source/{}/.git'.format(name),
+            'rev-parse', 'HEAD',
+        )).decode('ascii').strip()
+
+    def create_tar(self):
+        with tarfile.open('../{}'.format(self.tar_debian), mode='w:xz', debug=2) as tar:
+            tar.add("debian", filter=self.tar_debian_filter)
+
+            with io.BytesIO(b'3.0 (quilt)\n') as f:
+                t = tarfile.TarInfo('debian/source/format')
+                t.size = len(f.getvalue())
+                tar.addfile(t, f)
+
+            t = tarfile.TarInfo('debian/patches')
+            t.mode = 0o755
+            t.type = tarfile.DIRTYPE
+            tar.addfile(t)
+
+            self.create_tar_patch(tar, 'none')
+
+    def create_tar_patch(self, tar, name):
+        if name == 'none':
+            patch = 'patch'
+            series = 'series'
+            revs = (self.revs['orig'], self.revs['none'])
+        else:
+            raise NotImplementedError
+            patch = 'patch-{}'.format(name)
+            series = 'series-{}'.format(name)
+            revs = (self.revs['none'], self.revs[name])
+
+        patch_file = 'debian/patches/{}'.format(patch)
+        series_file = 'debian/patches/{}'.format(series)
+
+        with io.BytesIO('{}\n'.format(patch).encode('ascii')) as f:
+            t = tarfile.TarInfo(series_file)
+            t.size = len(f.getvalue())
+            tar.addfile(t, f)
+
+        with tempfile.TemporaryFile() as f:
+            subprocess.check_call((
+                'git',
+                '--git-dir=source/{}/.git'.format(name),
+                'diff', '{}..{}'.format(*revs)
+            ), stdout=f)
+
+            t = tarfile.TarInfo(patch_file)
+            t.size = f.tell()
+            f.seek(0)
+            tar.addfile(t, f)
+
+    @staticmethod
+    def tar_debian_filter(tarinfo):
+        if tarinfo.name in ('debian/build', 'debian/source/format', 'debian/stamps'):
+            return
+        if tarinfo.name.endswith('.local'):
+            return
+
+        tarinfo.uid = tarinfo.gid = 0
+        tarinfo.uname = tarinfo.gname = ""
+        return tarinfo
+
+if __name__ == '__main__':
+    Main()()

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