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Commitd7b952e

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Document manual refresh path treatment
For#1831.
1 parentafa5754 commitd7b952e

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2 files changed

+53
-4
lines changed

2 files changed

+53
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lines changed

‎git/__init__.py‎

Lines changed: 15 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -120,7 +120,21 @@
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defrefresh(path:Optional[PathLike]=None)->None:
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"""Convenience method for setting the git executable path."""
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"""Convenience method for setting the git executable path.
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:param path: Optional path to the Git executable. If not absolute, it is resolved
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immediately, relative to the current directory.
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:note: The *path* parameter is usually omitted and cannot be used to specify a
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custom command whose location is looked up in a path search on each call. See
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:meth:`Git.refresh` for details on how to achieve this.
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:note: This calls :meth:`Git.refresh` and sets other global configuration according
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to the effect of doing so. As such, this function should usually be used instead
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of using :meth:`Git.refresh` or :meth:`FetchInfo.refresh` directly.
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:note: This function is called automatically, with no arguments, at import time.
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"""
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globalGIT_OK
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GIT_OK=False
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‎git/cmd.py‎

Lines changed: 38 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -355,13 +355,48 @@ def __setstate__(self, d: Dict[str, Any]) -> None:
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GIT_PYTHON_GIT_EXECUTABLE=None
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"""Provide the full path to the git executable. Otherwise it assumes git is in the path.
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Note that the git executable is actually found during the refresh step in
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the top level ``__init__``.
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:note: The git executable is actually found during the refresh step in
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the top level :mod:`__init__`. It can also be changed by explicitly calling
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:func:`git.refresh`.
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"""
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@classmethod
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defrefresh(cls,path:Union[None,PathLike]=None)->bool:
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"""This gets called by the refresh function (see the top level __init__)."""
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"""This gets called by the refresh function (see the top level __init__).
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:param path: Optional path to the git executable. If not absolute, it is
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resolved immediately, relative to the current directory. (See note below.)
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:note: The top-level :func:`git.refresh` should be preferred because it calls
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this method and may also update other state accordingly.
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:note: There are three different ways to specify what command refreshing causes
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to be uses for git:
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1. Pass no *path* argument and do not set the ``GIT_PYTHON_GIT_EXECUTABLE``
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environment variable. The command name ``git`` is used. It is looked up
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in a path search by the system, in each command run (roughly similar to
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how git is found when running ``git`` commands manually). This is usually
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the desired behavior.
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2. Pass no *path* argument but set the ``GIT_PYTHON_GIT_EXECUTABLE``
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environment variable. The command given as the value of that variable is
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used. This may be a simple command or an arbitrary path. It is looked up
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in each command run. Setting ``GIT_PYTHON_GIT_EXECUTABLE`` to ``git`` has
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the same effect as not setting it.
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3. Pass a *path* argument. This path, if not absolute, it immediately
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resolved, relative to the current directory. This resolution occurs at
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the time of the refresh, and when git commands are run, they are run with
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that actual path. If a *path* argument is passed, the
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``GIT_PYTHON_GIT_EXECUTABLE`` environment variable is not consulted.
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:note: Refreshing always sets the :attr:`Git.GIT_PYTHON_GIT_EXECUTABLE` class
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attribute, which can be read on the :class:`Git` class or any of its
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instances to check what command is used to run git. This attribute should
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not be confused with the related ``GIT_PYTHON_GIT_EXECUTABLE`` environment
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variable. The class attribute is set no matter how refreshing is performed.
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"""
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# Discern which path to refresh with.
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ifpathisnotNone:
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new_git=os.path.expanduser(path)

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