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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /python/mozbuild/mozpack/hg.py | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'python/mozbuild/mozpack/hg.py')
-rw-r--r-- | python/mozbuild/mozpack/hg.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/python/mozbuild/mozpack/hg.py b/python/mozbuild/mozpack/hg.py new file mode 100644 index 000000000..79876061f --- /dev/null +++ b/python/mozbuild/mozpack/hg.py @@ -0,0 +1,95 @@ +# Copyright (C) 2015 Mozilla Contributors +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +# As a special exception, the copyright holders of this code give you +# permission to combine this code with the software known as 'mozbuild', +# and to distribute those combinations without any restriction +# coming from the use of this file. (The General Public License +# restrictions do apply in other respects; for example, they cover +# modification of the file, and distribution when not combined with +# mozbuild.) +# +# If you modify this code, you may extend this exception to your +# version of the code, but you are not obliged to do so. If you +# do not wish to do so, delete this exception statement from your +# version. + +from __future__ import absolute_import + +import mercurial.error as error +import mercurial.hg as hg +import mercurial.ui as hgui + +from .files import ( + BaseFinder, + MercurialFile, +) +import mozpack.path as mozpath + + +# This isn't a complete implementation of BaseFile. But it is complete +# enough for moz.build reading. +class MercurialNativeFile(MercurialFile): + def __init__(self, data): + self.data = data + + def read(self): + return self.data + + +class MercurialNativeRevisionFinder(BaseFinder): + def __init__(self, repo, rev='.', recognize_repo_paths=False): + """Create a finder attached to a specific changeset. + + Accepts a Mercurial localrepo and changectx instance. + """ + if isinstance(repo, (str, unicode)): + path = repo + repo = hg.repository(hgui.ui(), repo) + else: + path = repo.root + + super(MercurialNativeRevisionFinder, self).__init__(base=repo.root) + + self._repo = repo + self._rev = rev + self._root = mozpath.normpath(path) + self._recognize_repo_paths = recognize_repo_paths + + def _find(self, pattern): + if self._recognize_repo_paths: + raise NotImplementedError('cannot use find with recognize_repo_path') + + return self._find_helper(pattern, self._repo[self._rev], self._get) + + def get(self, path): + if self._recognize_repo_paths: + if not path.startswith(self._root): + raise ValueError('lookups in recognize_repo_paths mode must be ' + 'prefixed with repo path: %s' % path) + path = path[len(self._root) + 1:] + + return self._get(path) + + def _get(self, path): + if isinstance(path, unicode): + path = path.encode('utf-8', 'replace') + + try: + fctx = self._repo.filectx(path, self._rev) + return MercurialNativeFile(fctx.data()) + except error.LookupError: + return None |