Mercurial > hg
view hgext/convert/git.py @ 6167:f53b9a383476
tests: easier hg serve error diagnosis
author | Dirkjan Ochtman <dirkjan@ochtman.nl> |
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date | Sat, 23 Feb 2008 11:18:34 +0100 |
parents | 30d2fecaab76 |
children | e30c56f337b1 |
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# git support for the convert extension import os from mercurial import util from common import NoRepo, commit, converter_source, checktool class convert_git(converter_source): # Windows does not support GIT_DIR= construct while other systems # cannot remove environment variable. Just assume none have # both issues. if hasattr(os, 'unsetenv'): def gitcmd(self, s): prevgitdir = os.environ.get('GIT_DIR') os.environ['GIT_DIR'] = self.path try: return util.popen(s) finally: if prevgitdir is None: del os.environ['GIT_DIR'] else: os.environ['GIT_DIR'] = prevgitdir else: def gitcmd(self, s): return util.popen('GIT_DIR=%s %s' % (self.path, s)) def __init__(self, ui, path, rev=None): super(convert_git, self).__init__(ui, path, rev=rev) if os.path.isdir(path + "/.git"): path += "/.git" if not os.path.exists(path + "/objects"): raise NoRepo("%s does not look like a Git repo" % path) checktool('git-rev-parse', 'git') self.path = path def getheads(self): if not self.rev: return self.gitcmd('git-rev-parse --branches').read().splitlines() else: fh = self.gitcmd("git-rev-parse --verify %s" % self.rev) return [fh.read()[:-1]] def catfile(self, rev, type): if rev == "0" * 40: raise IOError() fh = self.gitcmd("git-cat-file %s %s" % (type, rev)) return fh.read() def getfile(self, name, rev): return self.catfile(rev, "blob") def getmode(self, name, rev): return self.modecache[(name, rev)] def getchanges(self, version): self.modecache = {} fh = self.gitcmd("git-diff-tree --root -m -r %s" % version) changes = [] seen = {} for l in fh: if "\t" not in l: continue m, f = l[:-1].split("\t") if f in seen: continue seen[f] = 1 m = m.split() h = m[3] p = (m[1] == "100755") s = (m[1] == "120000") self.modecache[(f, h)] = (p and "x") or (s and "l") or "" changes.append((f, h)) return (changes, {}) def getcommit(self, version): c = self.catfile(version, "commit") # read the commit hash end = c.find("\n\n") message = c[end+2:] message = self.recode(message) l = c[:end].splitlines() manifest = l[0].split()[1] parents = [] for e in l[1:]: n, v = e.split(" ", 1) if n == "author": p = v.split() tm, tz = p[-2:] author = " ".join(p[:-2]) if author[0] == "<": author = author[1:-1] author = self.recode(author) if n == "committer": p = v.split() tm, tz = p[-2:] committer = " ".join(p[:-2]) if committer[0] == "<": committer = committer[1:-1] committer = self.recode(committer) message += "\ncommitter: %s\n" % committer if n == "parent": parents.append(v) tzs, tzh, tzm = tz[-5:-4] + "1", tz[-4:-2], tz[-2:] tz = -int(tzs) * (int(tzh) * 3600 + int(tzm)) date = tm + " " + str(tz) c = commit(parents=parents, date=date, author=author, desc=message, rev=version) return c def gettags(self): tags = {} fh = self.gitcmd('git-ls-remote --tags "%s"' % self.path) prefix = 'refs/tags/' for line in fh: line = line.strip() if not line.endswith("^{}"): continue node, tag = line.split(None, 1) if not tag.startswith(prefix): continue tag = tag[len(prefix):-3] tags[tag] = node return tags def getchangedfiles(self, version, i): changes = [] if i is None: fh = self.gitcmd("git-diff-tree --root -m -r %s" % version) for l in fh: if "\t" not in l: continue m, f = l[:-1].split("\t") changes.append(f) fh.close() else: fh = self.gitcmd('git-diff-tree --name-only --root -r %s "%s^%s" --' % (version, version, i+1)) changes = [f.rstrip('\n') for f in fh] fh.close() return changes