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# git support for the convert extension
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import os
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from common import NoRepo, commit, converter_source
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def recode(s):
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try:
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return s.decode("utf-8").encode("utf-8")
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except:
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try:
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return s.decode("latin-1").encode("utf-8")
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except:
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return s.decode("utf-8", "replace").encode("utf-8")
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class convert_git(converter_source):
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def __init__(self, ui, path):
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if os.path.isdir(path + "/.git"):
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path += "/.git"
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self.path = path
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self.ui = ui
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if not os.path.exists(path + "/objects"):
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raise NoRepo("couldn't open GIT repo %s" % path)
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def getheads(self):
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fh = os.popen("GIT_DIR=%s git-rev-parse --verify HEAD" % self.path)
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return [fh.read()[:-1]]
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def catfile(self, rev, type):
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if rev == "0" * 40: raise IOError()
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fh = os.popen("GIT_DIR=%s git-cat-file %s %s 2>/dev/null"
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% (self.path, type, rev))
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return fh.read()
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def getfile(self, name, rev):
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return self.catfile(rev, "blob")
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def getmode(self, name, rev):
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return self.modecache[(name, rev)]
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def getchanges(self, version):
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self.modecache = {}
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fh = os.popen("GIT_DIR=%s git-diff-tree --root -m -r %s"
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% (self.path, version))
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changes = []
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for l in fh:
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if "\t" not in l: continue
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m, f = l[:-1].split("\t")
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m = m.split()
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h = m[3]
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p = (m[1] == "100755")
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s = (m[1] == "120000")
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self.modecache[(f, h)] = (p and "x") or (s and "l") or ""
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changes.append((f, h))
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return changes
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def getcommit(self, version):
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c = self.catfile(version, "commit") # read the commit hash
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end = c.find("\n\n")
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message = c[end+2:]
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message = recode(message)
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l = c[:end].splitlines()
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manifest = l[0].split()[1]
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parents = []
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for e in l[1:]:
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n, v = e.split(" ", 1)
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if n == "author":
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p = v.split()
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tm, tz = p[-2:]
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author = " ".join(p[:-2])
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if author[0] == "<": author = author[1:-1]
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author = recode(author)
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if n == "committer":
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p = v.split()
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tm, tz = p[-2:]
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committer = " ".join(p[:-2])
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if committer[0] == "<": committer = committer[1:-1]
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committer = recode(committer)
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message += "\ncommitter: %s\n" % committer
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if n == "parent": parents.append(v)
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tzs, tzh, tzm = tz[-5:-4] + "1", tz[-4:-2], tz[-2:]
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tz = -int(tzs) * (int(tzh) * 3600 + int(tzm))
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date = tm + " " + str(tz)
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author = author or "unknown"
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c = commit(parents=parents, date=date, author=author, desc=message)
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return c
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def gettags(self):
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tags = {}
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fh = os.popen('git-ls-remote --tags "%s" 2>/dev/null' % self.path)
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prefix = 'refs/tags/'
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for line in fh:
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line = line.strip()
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if not line.endswith("^{}"):
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continue
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node, tag = line.split(None, 1)
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if not tag.startswith(prefix):
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continue
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tag = tag[len(prefix):-3]
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tags[tag] = node
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return tags
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