comparison contrib/convert-repo @ 694:51eb248d3348

Teach convert-repo about tags

Git tags are bad, very bad. More importantly, they're horribly
inconsistent. This drops tags which don't appear to work like most of
the others.

manifest hash: f2dda9e9a3ae8a0d84b19e496059b8a795b8e603

693:10c0264751da

# convert-repo <git-dir> <hg-dir> <mapfile>
#
# This updates the mapfile on each commit copied, so it can be
# interrupted and can be run repeatedly to copy new commits.

import sys, os, zlib, sha
from mercurial import hg, ui, util

class convert_git:
    def __init__(self, path):
        self.path = path

    def catfile(self, rev, type):
        if rev == "0" * 40: raise IOError()
        path = os.getcwd()
        os.chdir(self.path)
        fh = os.popen("git-cat-file %s %s" % (type, rev))
        os.chdir(path)
        return fh.read()

    def getfile(self, name, rev):
        return self.catfile(rev, "blob")

                if committer[0] == "<": committer = committer[1:-1]
                message += "\ncommitter: %s %s\n" % (committer, date)
            if n == "parent": parents.append(v)
        return (parents, author, date, message)

class convert_mercurial:
    def __init__(self, path):
        self.path = path
        u = ui.ui()
        self.repo = hg.repository(u, path)

            self.repo.rawcommit(files, text, author, dest,
                                hg.bin(p1), hg.bin(p2))
            text = "(octopus merge fixup)\n"

        return hg.hex(self.repo.changelog.tip())

class convert:
    def __init__(self, source, dest, mapfile):
        self.source = source
        self.dest = dest

            if c in self.map: continue
            desc = self.commitcache[c][3].splitlines()[0]
            print num, desc
            self.copy(c)

gitpath, hgpath, mapfile = sys.argv[1:]

c = convert(convert_git(gitpath), convert_mercurial(hgpath), mapfile)
c.convert()

694:51eb248d3348

# convert-repo <git-dir> <hg-dir> <mapfile>
#
# This updates the mapfile on each commit copied, so it can be
# interrupted and can be run repeatedly to copy new commits.

import sys, os, zlib, sha, time
from mercurial import hg, ui, util

class convert_git:
    def __init__(self, path):
        self.path = path

    def catfile(self, rev, type):
        if rev == "0" * 40: raise IOError()
        path = os.getcwd()
        os.chdir(self.path)
        fh = os.popen("git-cat-file %s %s 2>/dev/null" % (type, rev))
        os.chdir(path)
        return fh.read()

    def getfile(self, name, rev):
        return self.catfile(rev, "blob")

                if committer[0] == "<": committer = committer[1:-1]
                message += "\ncommitter: %s %s\n" % (committer, date)
            if n == "parent": parents.append(v)
        return (parents, author, date, message)

    def gettags(self):
        tags = {}
        for f in os.listdir(self.path + "/.git/refs/tags"):
            try:
                h = file(self.path + "/.git/refs/tags/" + f).read().strip()
                p, a, d, m = self.getcommit(h)
                if not p: p = [h] # git is ugly, don't blame me
                tags[f] = p[0]
            except:
                pass
        return tags

class convert_mercurial:
    def __init__(self, path):
        self.path = path
        u = ui.ui()
        self.repo = hg.repository(u, path)

            self.repo.rawcommit(files, text, author, dest,
                                hg.bin(p1), hg.bin(p2))
            text = "(octopus merge fixup)\n"

        return hg.hex(self.repo.changelog.tip())

    def puttags(self, tags):
        try:
            old = self.repo.wfile(".hgtags").read()
            oldlines = old.splitlines(1)
            oldlines.sort()
        except:
            oldlines = []

        k = tags.keys()
        k.sort()
        newlines = []
        for tag in k:
            newlines.append("%s %s\n" % (tags[tag], tag))

        newlines.sort()

        if newlines != oldlines:
            print "updating tags"
            f = self.repo.wfile(".hgtags", "w")
            f.write("".join(newlines))
            f.close()
            if not oldlines: self.repo.add([".hgtags"])
            date = "%s 0" % time.mktime(time.gmtime())
            self.repo.rawcommit([".hgtags"], "update tags", "convert-repo",
                                date, self.repo.changelog.tip(), hg.nullid)

class convert:
    def __init__(self, source, dest, mapfile):
        self.source = source
        self.dest = dest

            if c in self.map: continue
            desc = self.commitcache[c][3].splitlines()[0]
            print num, desc
            self.copy(c)

        tags = self.source.gettags()
        ctags = {}
        for k in tags:
            v = tags[k]
            if v in self.map:
                ctags[k] = self.map[v]

        self.dest.puttags(ctags)

gitpath, hgpath, mapfile = sys.argv[1:]

c = convert(convert_git(gitpath), convert_mercurial(hgpath), mapfile)
c.convert()