convert: handle empty intial commits while converting to svn
Svn commit generation code skips empty commits, returning the parent.
Skipping the root commit must return None instead.
Added test to check skipping of empty commits.
#!/usr/bin/env python3
"""Generate release notes from our commit log.
This uses the relnotes extension directives when they're available,
and falls back to our old pre-relnotes logic that used to live in the
release-tools repo.
"""
import argparse
import re
import subprocess
rules = {
# keep
r"\(issue": 100,
r"\(BC\)": 100,
r"\(API\)": 100,
r"\(SEC\)": 100,
# core commands, bump up
r"(commit|files|log|pull|push|patch|status|tag|summary)(|s|es):": 20,
r"(annotate|alias|branch|bookmark|clone|graft|import|verify).*:": 20,
# extensions, bump up
r"(mq|shelve|rebase):": 20,
# newsy
r": deprecate": 20,
r": new.*(extension|flag|module)": 10,
r"( ability|command|feature|option|support)": 10,
# experimental
r"hg-experimental": 20,
r"(from|graduate).*experimental": 15,
r"(hide|mark).*experimental": -10,
# bug-like?
r"(fix|don't break|improve)": 7,
r"(not|n't|avoid|fix|prevent).*crash": 10,
r"vulnerab": 10,
# boring stuff, bump down
r"^contrib": -5,
r"debug": -5,
r"help": -5,
r"minor": -5,
r"(doc|metavar|bundle2|obsolete|obsmarker|rpm|setup|debug\S+:)": -15,
r"(check-code|check-commit|check-config|import-checker)": -20,
r"(flake8|lintian|pyflakes|pylint)": -20,
# cleanups and refactoring
r"(clean ?up|white ?space|spelling|quoting)": -20,
r"(flatten|dedent|indent|nesting|unnest)": -20,
r"(typo|hint|note|comment|TODO|FIXME)": -20,
r"(style:|convention|one-?liner)": -20,
r"(argument|absolute_import|attribute|assignment|mutable)": -15,
r"(scope|True|False)": -10,
r"(unused|useless|unnecessar|superfluous|duplicate|deprecated)": -10,
r"(redundant|pointless|confusing|uninitialized|meaningless|dead)": -10,
r": (drop|remove|delete|rip out)": -10,
r": (inherit|rename|simplify|naming|inline)": -10,
r"(correct doc|docstring|document .* method)": -20,
r"(abstract|factor|extract|prepare|split|replace| import)": -20,
r": add.*(function|method|implementation|example)": -10,
r": (move|extract) .* (to|into|from|out of)": -20,
r": implement ": -5,
r": use .* implementation": -20,
r": use .* instead of": -20,
# code
r"_": -10,
r"__": -5,
r"\(\)": -5,
r"\S\S\S+\.\S\S\S\S+": -5,
# dumb keywords
r"\S+/\S+:": -10,
r"\S+\.\S+:": -10,
# python compatibility
r"[Pp]y(|thon) ?[23]": -20,
r"pycompat": -20,
r"(coerce|convert|encode) .*to (byte|sys|)(s|str|string)": -20,
# tests
r"^test(|s|ing|runner|-\S+):": -20,
r"^(f|hghave|run-tests):": -20,
r"add.* tests?": -20,
r"(buildbot|fuzz|mock|ratchet)": -10,
# drop
r"^i18n-": -50,
r"^i18n:.*(hint|comment)": -50,
r"perf:": -50,
r"Added.*for changeset": -50,
r"^_": -50,
}
cutoff = 10
commits = []
groupings = [
(r"util|parsers|repo|ctx|context|revlog|filelog|alias|cmdutil", "core"),
(r"revset|template|ui|dirstate|hook|i18n|transaction|wire|vfs", "core"),
(r"dispatch|exchange|localrepo|streamclone|color|pager", "core"),
(r"hgweb|paper|coal|gitweb|monoblue|spartan", "hgweb"),
(r"pull|push|revert|resolve|annotate|bookmark|branch|clone", "commands"),
(r"commands|commit|config|files|graft|import|log|merge|patch", "commands"),
(r"phases|status|summary|amend|tag|help|verify", "commands"),
(r"rebase|mq|convert|eol|histedit|largefiles", "extensions"),
(r"shelve|unshelve", "extensions"),
]
def wikify(desc):
desc = desc.replace("(issue", "(Bts:issue")
desc = re.sub(r"\b([0-9a-f]{12})\b", r"Cset:\1", desc)
# stop ParseError from being recognized as a (nonexistent) wiki page
desc = re.sub(r" ([A-Z][a-z]+[A-Z][a-z]+)\b", r" !\1", desc)
# prevent wiki markup of magic methods
desc = re.sub(r"\b(\S*__\S*)\b", r"`\1`", desc)
return desc
def main():
desc = "example: %(prog)s 4.7.2 --stoprev 4.8rc0"
ap = argparse.ArgumentParser(description=desc)
ap.add_argument(
"startrev",
metavar="REV",
type=str,
help=(
"Starting revision for the release notes. This revision "
"won't be included, but later revisions will."
),
)
ap.add_argument(
"--stoprev",
metavar="REV",
type=str,
default="@",
help=(
"Stop revision for release notes. This revision will be included,"
" but no later revisions will. This revision needs to be "
"a descendant of startrev."
),
)
args = ap.parse_args()
fromext = subprocess.check_output(
[
"hg",
"--config",
"extensions.releasenotes=",
"releasenotes",
"-r",
"only(%s, %s)" % (args.stoprev, args.startrev),
]
).decode("utf-8")
# Find all release notes from un-relnotes-flagged commits.
for entry in sorted(
subprocess.check_output(
[
"hg",
"log",
"-r",
"only(%s, %s) - merge()" % (args.stoprev, args.startrev),
"-T",
r"{desc|firstline}\n",
]
)
.decode("utf-8")
.splitlines()
):
desc = entry.replace("`", "'")
score = 0
for rule, val in rules.items():
if re.search(rule, desc):
score += val
if score >= cutoff:
commits.append(wikify(desc))
# Group unflagged notes.
groups = {}
bcs = []
apis = []
for d in commits:
if "(BC)" in d:
bcs.append(d)
if "(API)" in d:
apis.append(d)
for rule, g in groupings:
if re.match(rule, d):
groups.setdefault(g, []).append(d)
break
else:
groups.setdefault("unsorted", []).append(d)
print(fromext)
# print legacy release notes sections
for g in sorted(groups):
print("\n=== %s ===" % g)
for d in sorted(groups[g]):
print(" * %s" % d)
if bcs:
print("\n=== Behavior Changes ===\n")
for d in sorted(bcs):
print(" * %s" % d)
if apis:
print("\n=== Internal API Changes ===\n")
for d in sorted(apis):
print(" * %s" % d)
if __name__ == "__main__":
main()