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Teach Project how to relink a .git/ in the work tree

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The _LinkWorkTree method can now be used to relink the work tree,
such as if the real repository was moved to a different location
on disk.

Signed-off-by: Shawn O. Pearce <sop@google.com>
This commit is contained in:
Shawn O. Pearce 2009-06-04 19:49:36 -07:00
parent 98ea26b8d8
commit ca3d8ff4fc
1 changed files with 28 additions and 21 deletions
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49
project.py
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@ -1102,30 +1102,37 @@ class Project(object):
msg = 'manifest set to %s' % self.revisionExpr msg = 'manifest set to %s' % self.revisionExpr
self.bare_git.symbolic_ref('-m', msg, ref, dst) self.bare_git.symbolic_ref('-m', msg, ref, dst)
def _LinkWorkTree(self, relink=False):
dotgit = os.path.join(self.worktree, '.git')
if not relink:
os.makedirs(dotgit)
for name in ['config',
'description',
'hooks',
'info',
'logs',
'objects',
'packed-refs',
'refs',
'rr-cache',
'svn']:
try:
src = os.path.join(self.gitdir, name)
dst = os.path.join(dotgit, name)
if relink:
os.remove(dst)
os.symlink(relpath(src, dst), dst)
except OSError, e:
if e.errno == errno.EPERM:
raise GitError('filesystem must support symlinks')
else:
raise
def _InitWorkTree(self): def _InitWorkTree(self):
dotgit = os.path.join(self.worktree, '.git') dotgit = os.path.join(self.worktree, '.git')
if not os.path.exists(dotgit): if not os.path.exists(dotgit):
os.makedirs(dotgit) self._LinkWorkTree()
for name in ['config',
'description',
'hooks',
'info',
'logs',
'objects',
'packed-refs',
'refs',
'rr-cache',
'svn']:
try:
src = os.path.join(self.gitdir, name)
dst = os.path.join(dotgit, name)
os.symlink(relpath(src, dst), dst)
except OSError, e:
if e.errno == errno.EPERM:
raise GitError('filesystem must support symlinks')
else:
raise
_lwrite(os.path.join(dotgit, HEAD), '%s\n' % self.GetRevisionId()) _lwrite(os.path.join(dotgit, HEAD), '%s\n' % self.GetRevisionId())