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Return the name of the version control backend if found at given
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Export the repository at the url to the destination location
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Returns the correct repository URL and revision by parsing the given
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Returns (url, revision), where both are strings
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Normalize a URL for comparison by unquoting it and removing any
trailing slash.
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normalize_url� s z VersionControl.normalize_urlc C s | j |�| j |�kS )zV
Compare two repo URLs for identity, ignoring incidental differences.
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Called when installing or updating an editable package, takes the
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Switch the repo at ``dest`` to point to ``URL``.
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Update an already-existing repo to the given ``rev_options``.
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Return True if the version is identical to what exists and
doesn't need to be updated.
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Prepare a location to receive a checkout/clone.
Return True if the location is ready for (and requires) a
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TFz)%s in %s exists, and has correct URL (%s)zUpdating %s %s%sz$Skipping because already up-to-date.z %s %s in %s exists with URL %s�%(s)witch, (i)gnore, (w)ipe, (b)ackup �s�i�w�bz0Directory %s already exists, and is not a %s %s.�(i)gnore, (w)ipe, (b)ackup z+The plan is to install the %s repository %szWhat to do? %sr rJ zSwitching %s %s to %s%sz Deleting %szBacking up %s to %s�a�r_ r` ra rb )r^ re �r` ra rb )rc rf ���)r< r= �exists�joinr rS rW r% r( Z repo_name�titler r] �infor\ r& r# r r[ r r �shutilZmove�sys�exit)
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Clean up current location and download the url repository
(and vcs infos) into location
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Return a string representing the requirement needed to
redownload the files currently present in location, something
like:
{repository_url}@{revision}#egg={project_name}-{version_identifier}
N)rG )r �distr- r r r r s z"VersionControl.get_src_requirementc C s t �dS )z_
Return the url used at location
Used in get_info or check_destination
N)rG )r r- r r r rS ) s zVersionControl.get_urlc C s t �dS )z_
Return the current revision of the files at location
Used in get_info
N)rG )r r- r r r rT 0 s zVersionControl.get_revisionT�raisec C sf | j g| }yt|||||||�S tk
r` } z$|jtjkrNtd| j ��n� W Y dd}~X nX dS )z�
Run a VCS subcommand
This is simply a wrapper around call_subprocess that adds the VCS
command name, and checks that the VCS is available
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Check if a location is controlled by the vcs.
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mechanisms for specific vcs.
z Checking in %s for %s (%s)...)r% r( r r# r< r= ri rh )r) r- r= r r r r, N s z VersionControl.controls_location)N)TNrs NNN)r' r3 r4 r# r r r rB rF rH rP rU rV rW rY r[ r\ r] rp rq r rS rT rz � classmethodr, r6 r r )r r r7 a s2
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rD tjd||j� | j� S X tjd|� | j� S )NzPcannot determine version of editable source in %s (%s command not found in path)ztcannot determine version of editable source in %s (is not SVN checkout, Git clone, Mercurial clone or Bazaar branch))r
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