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-rwxr-xr-xdebian/bin/stable-update135
-rwxr-xr-xdebian/bin/stable-update.sh2
2 files changed, 137 insertions, 0 deletions
diff --git a/debian/bin/stable-update b/debian/bin/stable-update
new file mode 100755
index 000000000..0ce6112bb
--- /dev/null
+++ b/debian/bin/stable-update
@@ -0,0 +1,135 @@
+#!/usr/bin/python3
+
+import sys
+import os
+import re
+import subprocess
+
+from debian_linux.debian import Changelog, VersionLinux
+
+
+def base_version(ver):
+ # Assume base version is at least 3.0, thus only 2 components wanted
+ match = re.match(r'^(\d+\.\d+)', ver)
+ assert match
+ return match.group(1)
+
+
+def add_update(ver, inc):
+ base = base_version(ver)
+ if base == ver:
+ update = 0
+ else:
+ update = int(ver[len(base)+1:])
+ update += inc
+ if update == 0:
+ return base
+ else:
+ return '{}.{}'.format(base, update)
+
+
+def next_update(ver):
+ return add_update(ver, 1)
+
+
+def print_stable_log(log, cur_ver, new_ver):
+ major_ver = re.sub(r'^(\d+)\..*', r'\1', cur_ver)
+ while cur_ver != new_ver:
+ next_ver = next_update(cur_ver)
+ print(' https://www.kernel.org/pub/linux/kernel/v{}.x/ChangeLog-{}'
+ .format(major_ver, next_ver),
+ file=log)
+ log.flush() # serialise our output with git's
+ subprocess.check_call(['git', 'log', '--reverse',
+ '--pretty= - %s',
+ 'v{}..v{}^'.format(cur_ver, next_ver)],
+ stdout=log)
+ cur_ver = next_ver
+
+
+def main(repo, new_ver):
+ if os.path.exists(os.path.join(repo, '.git')):
+ os.environ['GIT_DIR'] = os.path.join(repo, '.git')
+ else:
+ os.environ['GIT_DIR'] = repo
+
+ changelog = Changelog(version=VersionLinux)
+ cur_pkg_ver = changelog[0].version
+ cur_ver = cur_pkg_ver.linux_upstream_full
+
+ if base_version(new_ver) != base_version(cur_ver):
+ print('{} is not on the same stable series as {}'
+ .format(new_ver, cur_ver),
+ file=sys.stderr)
+ sys.exit(2)
+
+ new_pkg_ver = new_ver + '-1'
+ if cur_pkg_ver.linux_revision_experimental:
+ new_pkg_ver += '~exp1'
+
+ # Three possible cases:
+ # 1. The current version has been released so we need to add a new
+ # version to the changelog.
+ # 2. The current version has not been released so we're changing its
+ # version string.
+ # (a) There are no stable updates included in the current version,
+ # so we need to insert an introductory line, the URL(s) and
+ # git log(s) and a blank line at the top.
+ # (b) One or more stable updates are already included in the current
+ # version, so we need to insert the URL(s) and git log(s) after
+ # them.
+
+ changelog_intro = 'New upstream stable update:'
+
+ # Case 1
+ if changelog[0].distribution != 'UNRELEASED':
+ subprocess.check_call(['dch', '-v', new_pkg_ver, '-D', 'UNRELEASED',
+ changelog_intro])
+
+ with open('debian/changelog', 'r') as old_log:
+ with open('debian/changelog.new', 'w') as new_log:
+ line_no = 0
+ inserted = False
+ intro_line = ' * {}\n'.format(changelog_intro)
+
+ for line in old_log:
+ line_no += 1
+
+ # Case 2
+ if changelog[0].distribution == 'UNRELEASED' and line_no == 1:
+ print('{} ({}) UNRELEASED; urgency={}'
+ .format(changelog[0].source, new_pkg_ver,
+ changelog[0].urgency),
+ file=new_log)
+ continue
+
+ if not inserted:
+ # Case 2(a)
+ if line_no == 3 and line != intro_line:
+ new_log.write(intro_line)
+ print_stable_log(new_log, cur_ver, new_ver)
+ new_log.write('\n')
+ inserted = True
+ # Case 1 or 2(b)
+ elif line_no > 3 and line == '\n':
+ print_stable_log(new_log, cur_ver, new_ver)
+ inserted = True
+
+ # Check that we inserted before hitting the end of the
+ # first version entry
+ assert not (line.startswith(' -- ') and not inserted)
+
+ new_log.write(line)
+
+ os.rename('debian/changelog.new', 'debian/changelog')
+
+
+if __name__ == '__main__':
+ if len(sys.argv) != 3:
+ print('''\
+Usage: {} REPO VERSION
+REPO is the git repository to generate a changelog from
+VERSION is the stable version (without leading v)'''.format(sys.argv[0]),
+ file=sys.stderr)
+ sys.exit(2)
+ main(*sys.argv[1:])
diff --git a/debian/bin/stable-update.sh b/debian/bin/stable-update.sh
new file mode 100755
index 000000000..bd86860c6
--- /dev/null
+++ b/debian/bin/stable-update.sh
@@ -0,0 +1,2 @@
+#!/bin/sh -e
+exec "$(dirname "$0")/stable-update" "$@"