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Add 'repo init --mirror' to download a complete forrest

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The mirror option downloads a complete forrest (as described by the
manifest) and creates a replica of the remote repositories rather
than a client working directory.  This permits other clients to
sync off the mirror site.

A mirror can be positioned in a "DMZ", where the mirror executes
"repo sync" to obtain changes from the external upstream and
clients inside the protected zone operate off the mirror only,
and therefore do not require direct git:// access to the external
upstream repositories.

Signed-off-by: Shawn O. Pearce <sop@google.com>
This commit is contained in:
Shawn O. Pearce
2008-11-04 07:37:10 -08:00
parent 3e5481999d
commit e284ad1d1a
6 changed files with 109 additions and 20 deletions
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36
project.py
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@ -211,7 +211,10 @@ class Project(object):
gitdir = self.gitdir,
defaults = self.manifest.globalConfig)
self.work_git = self._GitGetByExec(self, bare=False)
if self.worktree:
self.work_git = self._GitGetByExec(self, bare=False)
else:
self.work_git = None
self.bare_git = self._GitGetByExec(self, bare=True)
@property
@ -489,14 +492,23 @@ class Project(object):
print >>sys.stderr
print >>sys.stderr, 'Initializing project %s ...' % self.name
self._InitGitDir()
self._InitRemote()
for r in self.extraRemotes.values():
if not self._RemoteFetch(r.name):
return False
if not self._RemoteFetch():
return False
self._RepairAndroidImportErrors()
self._InitMRef()
if self.worktree:
self._RepairAndroidImportErrors()
self._InitMRef()
else:
self._InitMirrorHead()
try:
os.remove(os.path.join(self.gitdir, 'FETCH_HEAD'))
except OSError:
pass
return True
def PostRepoUpgrade(self):
@ -792,9 +804,11 @@ class Project(object):
def _RemoteFetch(self, name=None):
if not name:
name = self.remote.name
return GitCommand(self,
['fetch', name],
bare = True).Wait() == 0
cmd = ['fetch']
if not self.worktree:
cmd.append('--update-head-ok')
cmd.append(name)
return GitCommand(self, cmd, bare = True).Wait() == 0
def _Checkout(self, rev, quiet=False):
cmd = ['checkout']
@ -874,7 +888,10 @@ class Project(object):
remote.url = url
remote.review = self.remote.reviewUrl
remote.ResetFetch()
if self.worktree:
remote.ResetFetch(mirror=False)
else:
remote.ResetFetch(mirror=True)
remote.Save()
for r in self.extraRemotes.values():
@ -897,6 +914,11 @@ class Project(object):
dst = remote.ToLocal(self.revision)
self.bare_git.symbolic_ref('-m', msg, ref, dst)
def _InitMirrorHead(self):
dst = self.GetRemote(self.remote.name).ToLocal(self.revision)
msg = 'manifest set to %s' % self.revision
self.bare_git.SetHead(dst, message=msg)
def _InitWorkTree(self):
dotgit = os.path.join(self.worktree, '.git')
if not os.path.exists(dotgit):