3b5dc34a5d
This allows us to reuse code, e.g. to get info out of Koji, for both calculating release tags and generating the changelog. Signed-off-by: Nils Philippsen <nils@redhat.com>
124 lines
4 KiB
Python
124 lines
4 KiB
Python
#!/usr/bin/python3
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import collections
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import datetime
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import logging
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import os
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import subprocess
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import sys
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import textwrap
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import pygit2
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_log = logging.getLogger(__name__)
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def register_subcommand(subparsers):
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subcmd_name = "generate-changelog"
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gen_changelog_parser = subparsers.add_parser(
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subcmd_name, help="Generate changelog entries from git commit logs",
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)
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gen_changelog_parser.add_argument("worktree_path", help="Path to the dist-git worktree")
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return subcmd_name
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def run_command(command, cwd=None):
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""" Run the specified command in a specific working directory if one
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is specified.
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"""
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output = None
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try:
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output = subprocess.check_output(command, cwd=cwd, stderr=subprocess.PIPE)
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except subprocess.CalledProcessError as e:
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_log.error("Command `{}` return code: `{}`".format(" ".join(command), e.returncode))
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_log.error("stdout:\n-------\n{}".format(e.stdout))
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_log.error("stderr:\n-------\n{}".format(e.stderr))
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raise Exception("Command failed to run")
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return output
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def main(args):
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""" Main method. """
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repopath = args.worktree_path
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repo_obj = pygit2.Repository(repopath)
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name = os.path.basename(repopath)
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branch = repo_obj.lookup_branch(repo_obj.head.shorthand)
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commit = branch.peel(pygit2.Commit)
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nvr = None
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new_nvr = None
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changed = False
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data = collections.defaultdict(list)
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for commit in repo_obj.walk(commit.hex, pygit2.GIT_SORT_TIME):
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if len(commit.parents) > 1:
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# Ignore merge commits
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continue
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commit_dt = datetime.datetime.utcfromtimestamp(commit.commit_time)
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if commit_dt < (datetime.datetime.utcnow() - datetime.timedelta(days=730)):
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# Ignore all commits older than 2 years
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break
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repo_obj.checkout_tree(
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commit, strategy=pygit2.GIT_CHECKOUT_FORCE | pygit2.GIT_CHECKOUT_RECREATE_MISSING,
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)
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if os.path.exists(os.path.join(repopath, f"{name}.spec")):
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try:
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output = run_command(
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[
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"rpm",
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"--qf",
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"%{name} %{version} %{release}\n",
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"--specfile",
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f"{name}.spec",
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],
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cwd=repopath,
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)
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except Exception:
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continue
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output = tuple(
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output.decode("utf-8").strip().split("\n")[0].rsplit(".", 1)[0].split(" ")
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)
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nvr = "-".join(output)
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if commit.parents:
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diff = repo_obj.diff(commit.parents[0], commit)
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else:
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# First commit in the repo
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diff = commit.tree.diff_to_tree(swap=True)
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if diff.stats.files_changed:
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files_changed = [d.new_file.path for d in diff.deltas]
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ignore = True
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for filename in files_changed:
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if filename.endswith((".spec", ".patch")):
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ignore = False
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if not ignore:
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data[output].append(commit)
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else:
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print("No more spec file, bailing")
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break
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for nvr in data:
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commits = data[nvr].reverse()
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for idx, commit in enumerate(data[nvr]):
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last_commit = idx + 1 == len(data[nvr])
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commit_dt = datetime.datetime.utcfromtimestamp(commit.commit_time)
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wrapper = textwrap.TextWrapper(width=75, subsequent_indent=" ")
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message = wrapper.fill(commit.message.split("\n")[0].strip("- "))
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if last_commit:
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print(
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f"* {commit_dt.strftime('%a %b %d %Y')} {commit.author.name} <{commit.author.email}> - {nvr[1]}-{nvr[2]}"
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)
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else:
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print(
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f"* {commit_dt.strftime('%a %b %d %Y')} {commit.author.name} <{commit.author.email}>"
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)
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print("- %s" % message)
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print()
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