blob: cac271cd999007e8c2e52571ee1746d5619d5bd7 [file] [log] [blame]
#
# Copyright (C) 2009 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import os
import shutil
from error import GitError
from error import ManifestParseError
from git_command import GitCommand
from git_config import GitConfig
from git_config import IsId
from manifest import Manifest
from progress import Progress
from project import RemoteSpec
from project import Project
from project import MetaProject
from project import R_HEADS
from project import HEAD
from project import _lwrite
import manifest_xml
GITLINK = '160000'
def _rmdir(dir, top):
while dir != top:
try:
os.rmdir(dir)
except OSError:
break
dir = os.path.dirname(dir)
def _rmref(gitdir, ref):
os.remove(os.path.join(gitdir, ref))
log = os.path.join(gitdir, 'logs', ref)
if os.path.exists(log):
os.remove(log)
_rmdir(os.path.dirname(log), gitdir)
def _has_gitmodules(d):
return os.path.exists(os.path.join(d, '.gitmodules'))
class SubmoduleManifest(Manifest):
"""manifest from .gitmodules file"""
@classmethod
def Is(cls, repodir):
return _has_gitmodules(os.path.dirname(repodir)) \
or _has_gitmodules(os.path.join(repodir, 'manifest')) \
or _has_gitmodules(os.path.join(repodir, 'manifests'))
@classmethod
def IsBare(cls, p):
try:
p.bare_git.cat_file('-e', '%s:.gitmodules' % p.GetRevisionId())
except GitError:
return False
return True
def __init__(self, repodir):
Manifest.__init__(self, repodir)
gitdir = os.path.join(repodir, 'manifest.git')
config = GitConfig.ForRepository(gitdir = gitdir)
if config.GetBoolean('repo.mirror'):
worktree = os.path.join(repodir, 'manifest')
relpath = None
else:
worktree = self.topdir
relpath = '.'
self.manifestProject = MetaProject(self, '__manifest__',
gitdir = gitdir,
worktree = worktree,
relpath = relpath)
self._modules = GitConfig(os.path.join(worktree, '.gitmodules'),
pickleFile = os.path.join(
repodir, '.repopickle_gitmodules'
))
self._review = GitConfig(os.path.join(worktree, '.review'),
pickleFile = os.path.join(
repodir, '.repopickle_review'
))
self._Unload()
@property
def projects(self):
self._Load()
return self._projects
@property
def notice(self):
return self._modules.GetString('repo.notice')
def InitBranch(self):
m = self.manifestProject
if m.CurrentBranch is None:
b = m.revisionExpr
if b.startswith(R_HEADS):
b = b[len(R_HEADS):]
return m.StartBranch(b)
return True
def SetMRefs(self, project):
if project.revisionId is None:
# Special project, e.g. the manifest or repo executable.
#
return
ref = 'refs/remotes/m'
cur = project.bare_ref.get(ref)
exp = project.revisionId
if cur != exp:
msg = 'manifest set to %s' % exp
project.bare_git.UpdateRef(ref, exp, message = msg, detach = True)
ref = 'refs/remotes/m-revision'
cur = project.bare_ref.symref(ref)
exp = project.revisionExpr
if exp is None:
if cur:
_rmref(project.gitdir, ref)
elif cur != exp:
remote = project.GetRemote(project.remote.name)
dst = remote.ToLocal(exp)
msg = 'manifest set to %s (%s)' % (exp, dst)
project.bare_git.symbolic_ref('-m', msg, ref, dst)
def Upgrade_Local(self, old):
if isinstance(old, manifest_xml.XmlManifest):
self.FromXml_Local_1(old, checkout=True)
self.FromXml_Local_2(old)
else:
raise ManifestParseError, 'cannot upgrade manifest'
def FromXml_Local_1(self, old, checkout):
os.rename(old.manifestProject.gitdir,
os.path.join(old.repodir, 'manifest.git'))
oldmp = old.manifestProject
oldBranch = oldmp.CurrentBranch
b = oldmp.GetBranch(oldBranch).merge
if not b:
raise ManifestParseError, 'cannot upgrade manifest'
if b.startswith(R_HEADS):
b = b[len(R_HEADS):]
newmp = self.manifestProject
self._CleanOldMRefs(newmp)
if oldBranch != b:
newmp.bare_git.branch('-m', oldBranch, b)
newmp.config.ClearCache()
old_remote = newmp.GetBranch(b).remote.name
act_remote = self._GuessRemoteName(old)
if old_remote != act_remote:
newmp.bare_git.remote('rename', old_remote, act_remote)
newmp.config.ClearCache()
newmp.remote.name = act_remote
print >>sys.stderr, "Assuming remote named '%s'" % act_remote
if checkout:
for p in old.projects.values():
for c in p.copyfiles:
if os.path.exists(c.abs_dest):
os.remove(c.abs_dest)
newmp._InitWorkTree()
else:
newmp._LinkWorkTree()
_lwrite(os.path.join(newmp.worktree,'.git',HEAD),
'ref: refs/heads/%s\n' % b)
def _GuessRemoteName(self, old):
used = {}
for p in old.projects.values():
n = p.remote.name
used[n] = used.get(n, 0) + 1
remote_name = 'origin'
remote_used = 0
for n in used.keys():
if remote_used < used[n]:
remote_used = used[n]
remote_name = n
return remote_name
def FromXml_Local_2(self, old):
shutil.rmtree(old.manifestProject.worktree)
os.remove(old._manifestFile)
my_remote = self._Remote().name
new_base = os.path.join(self.repodir, 'projects')
old_base = os.path.join(self.repodir, 'projects.old')
os.rename(new_base, old_base)
os.makedirs(new_base)
info = []
pm = Progress('Converting projects', len(self.projects))
for p in self.projects.values():
pm.update()
old_p = old.projects.get(p.name)
old_gitdir = os.path.join(old_base, '%s.git' % p.relpath)
if not os.path.isdir(old_gitdir):
continue
parent = os.path.dirname(p.gitdir)
if not os.path.isdir(parent):
os.makedirs(parent)
os.rename(old_gitdir, p.gitdir)
_rmdir(os.path.dirname(old_gitdir), self.repodir)
if not os.path.isdir(p.worktree):
os.makedirs(p.worktree)
if os.path.isdir(os.path.join(p.worktree, '.git')):
p._LinkWorkTree(relink=True)
self._CleanOldMRefs(p)
if old_p and old_p.remote.name != my_remote:
info.append("%s/: renamed remote '%s' to '%s'" \
% (p.relpath, old_p.remote.name, my_remote))
p.bare_git.remote('rename', old_p.remote.name, my_remote)
p.config.ClearCache()
self.SetMRefs(p)
pm.end()
for i in info:
print >>sys.stderr, i
def _CleanOldMRefs(self, p):
all_refs = p._allrefs
for ref in all_refs.keys():
if ref.startswith(manifest_xml.R_M):
if p.bare_ref.symref(ref) != '':
_rmref(p.gitdir, ref)
else:
p.bare_git.DeleteRef(ref, all_refs[ref])
def FromXml_Definition(self, old):
"""Convert another manifest representation to this one.
"""
mp = self.manifestProject
gm = self._modules
gr = self._review
fd = open(os.path.join(mp.worktree, '.gitignore'), 'ab')
fd.write('/.repo\n')
fd.close()
sort_projects = list(old.projects.keys())
sort_projects.sort()
b = mp.GetBranch(mp.CurrentBranch).merge
if b.startswith(R_HEADS):
b = b[len(R_HEADS):]
if old.notice:
gm.SetString('repo.notice', old.notice)
info = []
pm = Progress('Converting manifest', len(sort_projects))
for p in sort_projects:
pm.update()
p = old.projects[p]
gm.SetString('submodule.%s.path' % p.name, p.relpath)
gm.SetString('submodule.%s.url' % p.name, p.remote.url)
if gr.GetString('review.url') is None:
gr.SetString('review.url', p.remote.review)
elif gr.GetString('review.url') != p.remote.review:
gr.SetString('review.%s.url' % p.name, p.remote.review)
r = p.revisionExpr
if r and not IsId(r):
if r.startswith(R_HEADS):
r = r[len(R_HEADS):]
if r == b:
r = '.'
gm.SetString('submodule.%s.revision' % p.name, r)
for c in p.copyfiles:
info.append('Moved %s out of %s' % (c.src, p.relpath))
c._Copy()
p.work_git.rm(c.src)
mp.work_git.add(c.dest)
self.SetRevisionId(p.relpath, p.GetRevisionId())
mp.work_git.add('.gitignore', '.gitmodules', '.review')
pm.end()
for i in info:
print >>sys.stderr, i
def _Unload(self):
self._loaded = False
self._projects = {}
self._revisionIds = None
self.branch = None
def _Load(self):
if not self._loaded:
f = os.path.join(self.repodir, manifest_xml.LOCAL_MANIFEST_NAME)
if os.path.exists(f):
print >>sys.stderr, 'warning: ignoring %s' % f
m = self.manifestProject
b = m.CurrentBranch
if not b:
raise ManifestParseError, 'manifest cannot be on detached HEAD'
b = m.GetBranch(b).merge
if b.startswith(R_HEADS):
b = b[len(R_HEADS):]
self.branch = b
m.remote.name = self._Remote().name
self._ParseModules()
if self.IsMirror:
self._AddMetaProjectMirror(self.repoProject)
self._AddMetaProjectMirror(self.manifestProject)
self._loaded = True
def _ParseModules(self):
byPath = dict()
for name in self._modules.GetSubSections('submodule'):
p = self._ParseProject(name)
if self._projects.get(p.name):
raise ManifestParseError, 'duplicate project "%s"' % p.name
if byPath.get(p.relpath):
raise ManifestParseError, 'duplicate path "%s"' % p.relpath
self._projects[p.name] = p
byPath[p.relpath] = p
for relpath in self._allRevisionIds.keys():
if relpath not in byPath:
raise ManifestParseError, \
'project "%s" not in .gitmodules' \
% relpath
def _Remote(self):
m = self.manifestProject
b = m.GetBranch(m.CurrentBranch)
return b.remote
def _ResolveUrl(self, url):
if url.startswith('./') or url.startswith('../'):
base = self._Remote().url
try:
base = base[:base.rindex('/')+1]
except ValueError:
base = base[:base.rindex(':')+1]
if url.startswith('./'):
url = url[2:]
while '/' in base and url.startswith('../'):
base = base[:base.rindex('/')+1]
url = url[3:]
return base + url
return url
def _GetRevisionId(self, path):
return self._allRevisionIds.get(path)
@property
def _allRevisionIds(self):
if self._revisionIds is None:
a = dict()
p = GitCommand(self.manifestProject,
['ls-files','-z','--stage'],
capture_stdout = True)
for line in p.process.stdout.read().split('\0')[:-1]:
l_info, l_path = line.split('\t', 2)
l_mode, l_id, l_stage = l_info.split(' ', 2)
if l_mode == GITLINK and l_stage == '0':
a[l_path] = l_id
p.Wait()
self._revisionIds = a
return self._revisionIds
def SetRevisionId(self, path, id):
self.manifestProject.work_git.update_index(
'--add','--cacheinfo', GITLINK, id, path)
def _ParseProject(self, name):
gm = self._modules
gr = self._review
path = gm.GetString('submodule.%s.path' % name)
if not path:
path = name
revId = self._GetRevisionId(path)
if not revId:
raise ManifestParseError(
'submodule "%s" has no revision at "%s"' \
% (name, path))
url = gm.GetString('submodule.%s.url' % name)
if not url:
url = name
url = self._ResolveUrl(url)
review = gr.GetString('review.%s.url' % name)
if not review:
review = gr.GetString('review.url')
if not review:
review = self._Remote().review
remote = RemoteSpec(self._Remote().name, url, review)
revExpr = gm.GetString('submodule.%s.revision' % name)
if revExpr == '.':
revExpr = self.branch
if self.IsMirror:
relpath = None
worktree = None
gitdir = os.path.join(self.topdir, '%s.git' % name)
else:
worktree = os.path.join(self.topdir, path)
gitdir = os.path.join(self.repodir, 'projects/%s.git' % name)
return Project(manifest = self,
name = name,
remote = remote,
gitdir = gitdir,
worktree = worktree,
relpath = path,
revisionExpr = revExpr,
revisionId = revId)
def _AddMetaProjectMirror(self, m):
m_url = m.GetRemote(m.remote.name).url
if m_url.endswith('/.git'):
raise ManifestParseError, 'refusing to mirror %s' % m_url
name = self._GuessMetaName(m_url)
if name.endswith('.git'):
name = name[:-4]
if name not in self._projects:
m.PreSync()
gitdir = os.path.join(self.topdir, '%s.git' % name)
project = Project(manifest = self,
name = name,
remote = RemoteSpec(self._Remote().name, m_url),
gitdir = gitdir,
worktree = None,
relpath = None,
revisionExpr = m.revisionExpr,
revisionId = None)
self._projects[project.name] = project
def _GuessMetaName(self, m_url):
parts = m_url.split('/')
name = parts[-1]
parts = parts[0:-1]
s = len(parts) - 1
while s > 0:
l = '/'.join(parts[0:s]) + '/'
r = '/'.join(parts[s:]) + '/'
for p in self._projects.values():
if p.name.startswith(r) and p.remote.url.startswith(l):
return r + name
s -= 1
return m_url[m_url.rindex('/') + 1:]