Testing raw git HTTP protocol with python3 and Requests

git-clone.py

#!/usr/bin/env python3

# $ chmod +x git-clone.py
# $ ./git-clone.py https://github.com/jesopo/bitbot.git

import sys
import requests

repo = sys.argv[1]

refs = requests.get(repo + "/info/refs?service=git-upload-pack").text
refs_lines = refs.split("\n")

shas = []
for line in refs_lines[2:]:
    if line == "0000":
        break
    else:
        shas.append(line[4:].split(" ", 1)[0])
print("found %d refs" % len(shas))

req_lines = [
    "want %s multi_ack side-band-64k ofs-delta" % shas[0]]
for sha in shas[1:]:
    req_lines.append("want %s" % sha)

for i, line in enumerate(req_lines):
    header = "{:x}".format(len(line)+4+1).zfill(4)
    req_lines[i] = "%s%s" % (header, line)

req_lines.append("00000009done")
req_lines.append("")

req = "\n".join(req_lines)

out = requests.post(repo+"/git-upload-pack", data=req,
    headers={"Content-Type": "application/x-git-upload-pack-request"}).content

print("got pack (%d bytes)" % len(out))