1 files changed, 133 insertions, 0 deletions
diff --git a/scripts/obs/lib/debian.py b/scripts/obs/lib/debian.py
new file mode 100644
index 0000000..6703f8b
--- /dev/null
+++ b/scripts/obs/lib/debian.py
@@ -0,0 +1,133 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0-or-later
+# Copyright 2022 sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
+import datetime
+import os
+import shlex
+import lib
+import lib.git
+
+# Imports that may not be available during startup, ignore it here and rely on
+# lib.check_required_programs() checking this later on (possibly after the
+# script executed itself in docker if using --docker).
+try:
+    import packaging.version
+except ImportError:
+    pass
+
+def control_add_depend(project, pkgname, version):
+    """ :param pkgname: of the meta-package to depend on (e.g. osmocom-nightly)
+        :param version: of the meta-pkgname to depend on or None """
+    repo_path = lib.git.get_repo_path(project)
+
+    if version:
+        depend = f"{pkgname} (= {version})"
+    else:
+        depend = pkgname
+
+    cmd = ["sed", f"s/^Depends: /Depends: {depend}, /", "-i", "debian/control"]
+    lib.run_cmd(cmd, cwd=repo_path)
+
+
+def changelog_add_entry(project, version):
+    """ :param version: for the new changelog entry """
+    feed = lib.args.feed
+    repo_path = lib.git.get_repo_path(project)
+    changelog_path = f"{repo_path}/debian/changelog"
+
+    changelog_old = open(changelog_path).read()
+
+    # Package name might be different from project name, read it from changelog
+    pkgname = changelog_old.split(" ", 1)[0]
+    assert pkgname
+
+    # Debian doesn't allow '-' in version
+    version = version.replace("-", ".")
+
+    # Debian changelog requires this specific date format
+    date = datetime.datetime.now(datetime.timezone.utc)
+    date_str = date.strftime("%a, %d %b %Y %H:%M:%S %z")
+
+    # Add new changelog entry
+    with open(changelog_path, "w") as f:
+        f.write(f"{pkgname} ({version}) unstable; urgency=medium\n")
+        f.write("\n")
+        f.write("  * Automatically generated changelog entry for building the"
+                f" Osmocom {feed} feed\n")
+        f.write("\n")
+        f.write(f" -- Osmocom OBS scripts <info@osmocom.org>  {date_str}\n")
+        f.write("\n")
+        f.write(changelog_old)
+
+
+def fix_source_format(project):
+    """ Always use format "3.0 (native)" (e.g. limesuite has "3.0 (quilt)")."""
+    repo_path = lib.git.get_repo_path(project)
+    format_path = f"{repo_path}/debian/source/format"
+    if not os.path.exists(format_path):
+        return
+
+    expected = "3.0 (native)"
+    current = open(format_path, "r").read().rstrip()
+
+    if current == expected:
+        return
+
+    print(f"{project}: fixing debian/source/format ({current} => {expected})")
+    open(format_path, "w").write(f"{expected}\n")
+
+
+def get_last_version_from_changelog(project):
+    repo_path = lib.git.get_repo_path(project)
+    changelog_path = f"{repo_path}/debian/changelog"
+
+    assert os.path.exists(changelog_path), f"{project}: missing debian/changelog"
+
+    changelog = open(changelog_path).read()
+    assert changelog, f"{project}: debian/changelog is empty"
+
+    ret = changelog.split("(", 1)[1].split(")", 1)[0]
+    assert ret, f"{project}: couldn't find last version in debian/changelog"
+
+    return ret
+
+
+def changelog_add_entry_if_needed(project, version):
+    """ Adjust the changelog if the version in the changelog is different from
+        the given version. """
+    version_changelog = get_last_version_from_changelog(project)
+
+    # Don't use a lower number (OS#6173)
+    try:
+        if packaging.version.parse(version_changelog.split("-")[0]) > \
+                packaging.version.parse(version.split("-")[0]):
+            print(f"{project}: WARNING: version from changelog"
+                  f" ({version_changelog}) is higher than version based on git tag"
+                  f" ({version}), using version from changelog (git tag not pushed"
+                  " yet?)")
+            return
+    except packaging.version.InvalidVersion:
+        # packaging.version.parse can parse the version numbers used in Osmocom
+        # projects (where we need the above check), but not e.g. some versions
+        # from wireshark. Don't abort here if that is the case.
+        pass
+
+    if version_changelog == version:
+        return
+
+    print(f"{project}: adding debian/changelog entry ({version_changelog} =>"
+          f" {version})")
+    changelog_add_entry(project, version)
+
+
+def build_source_package(project):
+    fix_source_format(project)
+    print(f"{project}: building debian source package")
+    lib.run_cmd(["dpkg-buildpackage", "-S", "-uc", "-us", "-d"],
+                cwd=lib.git.get_repo_path(project))
+
+
+def move_files_to_output(project):
+    path_output = lib.get_output_path(project)
+    lib.run_cmd(f"mv *.tar* *.dsc {shlex.quote(path_output)}", shell=True,
+                cwd=lib.config.path_cache)