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# -*- coding: UTF-8 -*-
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"""GTK+ Branch Visualisation.
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This is a bzr plugin that adds a new 'visualise' (alias: 'viz') command
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which opens a GTK+ window to allow you to see the history of the branch
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and relationships between revisions in a visual manner.
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It's somewhat based on a screenshot I was handed of gitk. The top half
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of the window shows the revisions in a list with a graph drawn down the
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left hand side that joins them up and shows how they relate to each other.
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The bottom hald of the window shows the details for the selected revision.
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__copyright__ = "Copyright © 2005 Canonical Ltd."
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__author__ = "Scott James Remnant <scott@ubuntu.com>"
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from bzrlib.commands import Command, register_command
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from bzrlib.option import Option
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from bzrlib.branch import Branch
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class cmd_visualise(Command):
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"""Graphically visualise this branch.
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Opens a graphical window to allow you to see the history of the branch
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and relationships between revisions in a visual manner,
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The default starting point is latest revision on the branch, you can
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specify a starting point with -r revision.
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Option('limit', "maximum number of revisions to display",
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takes_args = [ "location?" ]
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aliases = [ "visualize", "vis", "viz" ]
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def run(self, location=".", revision=None, limit=None):
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(branch, path) = Branch.open_containing(location)
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branch.repository.lock_read()
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revid = branch.last_revision()
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(revno, revid) = revision[0].in_history(branch)
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from bzrkapp import BzrkApp
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app.show(branch, revid, limit)
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branch.repository.unlock()
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register_command(cmd_visualise)