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|
#!/usr/bin/env python3
# SPDX-License-Identifier: MIT
# Copyright (c) 2024 Robin Jarry
import argparse
import re
import subprocess
DEP_CHANGE_RE = re.compile(
r"""
^
(?P<diff>[\+\-])\s*
(?P<name>\S+)\s*
(?P<version>v\S+)\s*
(?://\s*indirect)?
$
""",
re.VERBOSE,
)
REPLACE_RE = re.compile(
r"""
^
(?P<diff>[\+\-])\s*
replace
(?P<name>\S+)\s*
=>\s*
(?P<replacement>\S+)\s*
(?P<version>v\S+)\s*
$
""",
re.VERBOSE,
)
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
"git_range",
metavar="GIT_RANGE",
help="The git revision range (see gitrevisions(7)).",
)
args = parser.parse_args()
old_deps = {}
new_deps = {}
with subprocess.Popen(
["git", "diff", "-U0", "--ignore-all-space", args.git_range, "--", "go.mod"],
stdout=subprocess.PIPE,
encoding="utf-8",
) as proc:
for line in proc.stdout:
match = DEP_CHANGE_RE.match(line.strip())
if not match:
match = REPLACE_RE.match(line.strip())
if not match:
continue
diff, name, replacement, version = match.groups()
if diff == "+":
new_deps[replacement] = version
del new_deps[name]
continue
diff, name, version = match.groups()
if diff == "+":
new_deps[name] = version
else:
old_deps[name] = version
once = False
added = new_deps.keys() - old_deps.keys()
if added:
print("## New")
print()
for a in sorted(added):
print("+", a, new_deps[a])
once = True
updated = old_deps.keys() & new_deps.keys()
if updated:
if once:
print()
print("## Updated")
print()
for u in sorted(updated):
print("*", u, old_deps[u], "=>", new_deps[u])
once = True
removed = old_deps.keys() - new_deps.keys()
if removed:
if once:
print()
print("## Removed")
print()
for r in sorted(removed):
print("-", r)
once = True
if not once:
print("none")
if __name__ == "__main__":
main()
|
