Git as part of Maven Central?

doit.py

# pip3 install sh
from sh import wget, unzip, mkdir, cd, git, touch, rm, du

root = "http://central.maven.org/maven2/"

def doGAV(url, v, suffix):

    op = wget("-qO-", root + url + "/" + v + "/index.html")
    for line in op.splitlines():
        if v + suffix + ".jar\"" in line:
            fn = line.split("\"")[1].replace("/","")
            print(fn)
            git("rm", "-r", "*")
            git("commit", "-m", v)
            wget(root + url + "/" + v + "/" + fn)
            sizeK = int(du("-s", "-k", fn).split("\t")[0])
            unzip(fn)
            rm(fn)
            git("add", ".")
            git("commit", "-m", v, "--amend")
            git("tag", v)
            return sizeK
    return 0


def doGA(g, a, suffix):
    url = g.replace(".","/") + "/" + a
    op = wget("-qO-", root + url + "/index.html")
    versions = []
    sizeK = []
    for line in op.splitlines():
        if "href" in line and ".." not in line and "maven-metadata.xml" not in line:
            v = line.split("\"")[1].replace("/","")
            versions.append(v)
    # Sorting not needed - not change in the size of the .git folder
    #   - diffs might look a mess though
    #   - breaks anyway on alpha chars
    # versions.sort(key=lambda s: [int(u) for u in s.split('.')])
    print(str(versions))
    for v in versions:
        sizeK.append(doGAV(url, v, suffix))
    ct = 0
    totSize = 0
    for v in sizeK:
        if v > 0:
            ct += 1
            totSize += v
    print("For " + g + ":" + a + ", total size for " + str(ct) + " original versions: " + "{0:.{1}f}".format(totSize/1024,1) + "M")
    git("repack", "-ad")
    afterK = int(du("-s", "-k", ".git").split("\t")[0])
    print("Afterwards the .git folder is: " + "{0:.{1}f}".format(afterK/1024,1) + "M")

rm("-rf", "work")
mkdir("work")
cd("work")
git("init")
touch("dummy")
git("add", ".")
git("commit", "-m", "start")

# TODO make is so that you could invoke doGA() time in one script
doGA("com.thoughtworks.xstream", "xstream", "")