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#!/usr/bin/python
# https://git-scm.com/book/en/v2/Git-and-Other-Systems-Migrating-to-Git#_custom_importer
import collections
import configparser
from datetime import datetime
import pathlib
import subprocess
from typing import List
import xml.etree.ElementTree as ET
authorsfile = pathlib.Path(".git", "authorsfile.txt")
# For reading section-less config files
# https://stackoverflow.com/a/2819788/164233
def FakeSecHead(fp):
yield "[asection]\n"
yield from fp
config = configparser.ConfigParser()
authors = {}
if authorsfile.exists():
config.read_file(FakeSecHead(open(authorsfile)))
authors = dict(config.items("asection"))
class LogEntry(
collections.namedtuple("LogEntry", ["rev", "md5", "author", "date", "msg"])
):
def __str__(self):
return (
f"{self.rev}, {self.md5[:12]}, {authors.get(self.author, '<none>')},"
+ f" {datetime.isoformat(self.date)}:\n{self.msg}"
)
def osc_log() -> List[LogEntry]:
try:
log_str = subprocess.run(
["osc", "log", "--xml"], check=True, text=True, stdout=subprocess.PIPE
).stdout
except subprocess.CalledProcessError:
raise
tree = ET.fromstring(log_str)
log_list = [
LogEntry(
int(entry.attrib["revision"]),
entry.attrib["srcmd5"],
entry.findtext("author"),
datetime.strptime(entry.findtext("date"), "%Y-%m-%d %H:%M:%S"),
entry.findtext("msg"),
)
for entry in tree.iter("logentry")
]
log_list.reverse()
return log_list
def export_data(dt: str) -> str:
return f"data {len(dt)}\n{dt}"
def print_export(entry: LogEntry) -> int:
mark = entry.rev
author = authors.get(entry.author, "<none>")
date = int(datetime.timestamp(entry.date))
print("commit refs/heads/master")
print(f"mark :{mark}")
if entry.md5:
print(f"original-oid {entry.md5}")
print(f"committer {author} {date} +0000")
print(export_data(entry.msg))
if last_mark:
print(f"from :{last_mark}")
# The following is dummy, needs to be replaced by actual content of each commit.
print("deleteall")
print("M 644 inline tralala")
print(export_data("tralalala"))
print("")
return mark
if __name__ == "__main__":
last_mark = None
for logentry in osc_log():
last_mark = print_export(logentry)
print("done")
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