tools/rewrite-history.sh

   1 #!/bin/sh
   2 # Copyright (C) 2010, Matthias Sohn <matthias.sohn@sap.com>
   3 # and other copyright owners as documented in the project's IP log.
   4 #
   5 # This program and the accompanying materials are made available
   6 # under the terms of the Eclipse Distribution License v1.0 which
   7 # accompanies this distribution, is reproduced below, and is
   8 # available at http://www.eclipse.org/org/documents/edl-v10.php
   9 #
  10 # All rights reserved.
  11 #
  12 # Redistribution and use in source and binary forms, with or
  13 # without modification, are permitted provided that the following
  14 # conditions are met:
  15 #
  16 # - Redistributions of source code must retain the above copyright
  17 #   notice, this list of conditions and the following disclaimer.
  18 #
  19 # - Redistributions in binary form must reproduce the above
  20 #   copyright notice, this list of conditions and the following
  21 #   disclaimer in the documentation and/or other materials provided
  22 #   with the distribution.
  23 #
  24 # - Neither the name of the Eclipse Foundation, Inc. nor the
  25 #   names of its contributors may be used to endorse or promote
  26 #   products derived from this software without specific prior
  27 #   written permission.
  28 #
  29 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  30 # CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  31 # INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  32 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  33 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  34 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  35 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  36 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  37 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  38 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39 # STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  40 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  41 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  42
  43
  44 TOOLS_DIR=$(dirname $0)
  45 TOOLS_DIR=$(cd $TOOLS_DIR && pwd)
  46 export TOOLS_DIR
  47
  48 MAP_OF_COMMITS=$(pwd)/commit.map
  49 export MAP_OF_COMMITS
  50
  51 : >$MAP_OF_COMMITS
  52 git filter-branch \
  53 --tree-filter '
  54         export GIT_COMMIT
  55         $TOOLS_DIR/fix-headers.pl
  56
  57         if [ -f tools/graft-old-history.sh ]; then
  58                 i=$(map 046198cf5f21e5a63e8ec0ecde2ef3fe21db2eae)
  59                 perl -pi -e "
  60                         s/^POST=.*/POST=$i/;
  61                 " tools/graft-old-history.sh
  62         fi
  63 ' \
  64 --env-filter '
  65         if [ 046198cf5f21e5a63e8ec0ecde2ef3fe21db2eae = $GIT_COMMIT ]; then
  66                 export GIT_AUTHOR_NAME="Git Development Community"
  67                 export GIT_AUTHOR_EMAIL=git@vger.kernel.org
  68         fi
  69 ' \
  70 --parent-filter '
  71         if [ 046198cf5f21e5a63e8ec0ecde2ef3fe21db2eae = $GIT_COMMIT ]; then
  72                 cat >/dev/null
  73         else
  74                 cat
  75         fi
  76 ' \
  77 --commit-filter '
  78         n=$(git commit-tree "$@")
  79         echo $GIT_COMMIT=$n >>$MAP_OF_COMMITS
  80         echo $n
  81 ' \
  82 -d /tmp/jgit-rewrite-history-$$ \
  83 $(git for-each-ref --format='%(refname)' refs/heads refs/changes) \
  84 --not 3a2dd9921c8a08740a9e02c421469e5b1a9e47cb