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# Bazaar-NG -- distributed version control
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# Copyright (C) 2005 by Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""Commit message editor support."""
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from bzrlib.errors import BzrError
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"""Return a sequence of possible editor binaries for the current platform"""
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from bzrlib.osutils import _read_config_value
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e = _read_config_value("editor")
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if os.name == "windows":
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elif os.name == "posix":
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yield os.environ["EDITOR"]
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def _run_editor(filename):
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"""Try to execute an editor to edit the commit message."""
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for e in _get_editor():
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x = os.spawnvp(os.P_WAIT, edargs[0],
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raise BzrError("Could not start any editor. "
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"Please specify $EDITOR or use ~/.bzr.conf/editor")
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def edit_commit_message(infotext, ignoreline=None):
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"""Let the user edit a commit message in a temp file.
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This is run if they don't give a message or
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message-containing file on the command line.
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Text to be displayed at bottom of message for
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the user's reference; currently similar to
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if ignoreline is None:
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ignoreline = "-- This line and the following will be ignored --"
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tmp_fileno, msgfilename = tempfile.mkstemp()
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msgfile = os.close(tmp_fileno)
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if infotext is not None and infotext != "":
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msgfile = file(msgfilename, "w")
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msgfile.write("\n\n%s\n\n%s" % (ignoreline, infotext))
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if not _run_editor(msgfilename):
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lastline, nlines = 0, 0
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for line in file(msgfilename, "r"):
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stripped_line = line.strip()
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# strip empty line before the log message starts
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if stripped_line != "":
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# check for the ignore line only if there
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# is additional information at the end
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if hasinfo and stripped_line == ignoreline:
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# keep track of the last line that had some content
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if stripped_line != "":
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# delete empty lines at the end
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# add a newline at the end, if needed
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if not msg[-1].endswith("\n"):
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return "%s%s" % ("".join(msg), "\n")
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# delete the msg file in any case
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try: os.unlink(msgfilename)