# "fix" any of the main branches that you care about
# you need to run this script at least twice
# you also have to understand what tag for what date goes where.
# you have to list all of the modules (as CVS modules from the root)
# you care about in a modules file, ex:

MODULES='org.eclipse.core.commands
...
org.eclipse.ui.examples.views.properties.tabbed/org.eclipse.ui.examples.views.properties.tabbed.article
org.eclipse.ui.examples.views.properties.tabbed/org.eclipse.ui.examples.views.properties.tabbed.hockeyleague
org.eclipse.ui.examples.views.properties.tabbed/org.eclipse.ui.examples.views.properties.tabbed.logic
org.eclipse.ui.ide
org.eclipse.ui.ide.application
org.eclipse.ui.navigator
...
'

# run the retag script:
  ../../scripts/retag_cvs.sh modules_ui.sh R3_6 "06/04/2010 00:00" R3_6_maintenance >tag_pass1.sh
  grep ^cvs tag_pass1.sh >tag_fix1.sh
  #examine tag_fix1.sh and then run
  /bin/bash -x tag_fix1.sh
  #re-run retag script
  ../../scripts/retag_cvs.sh modules_ui.sh R3_6 "06/04/2010 00:00" R3_6_maintenance >tag_pass2.sh


# Then fix the other tags.  TAG1 is a known tag (like from above :-)
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_6 R3_6_1 >subtag_pass1.sh
  grep ^cvs subtag_pass1.sh >subtag_fix1.sh
  #examine subtag_fix1.sh and then run
  /bin/bash -x subtag_fix1.sh
  #re-run subtag script to verify everybody is tagged
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_6 R3_6_1 >subtag_pass2.sh

#
# you have to repeat the above for every tag/branch you care about
#
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_6_1 R3_6_2 >subtag_pass3.sh
  grep ^cvs subtag_pass3.sh >subtag_fix3.sh
  /bin/bash -x subtag_fix3.sh

  # do R3_5_maintenance
  ../../scripts/retag_cvs.sh modules_ui.sh R3_5 "06/05/2009 00:00" R3_5_maintenance >tag35_pass1.sh
  grep ^cvs tag35_pass1.sh >tag35_fix1.sh
  /bin/bash -x tag35_fix1.sh >log35_1.txt
  ../../scripts/retag_cvs.sh modules_ui.sh R3_5 "06/05/2009 00:00" R3_5_maintenance >tag35_pass2.sh

  # R3_5_1, R3_5_2
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_5 R3_5_1 >sub35_pass1.sh
  grep ^cvs sub35_pass1.sh >sub35_fix1.sh
  /bin/bash -x sub35_fix1.sh
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_5_1 R3_5_2 >sub35_pass2.sh
  grep ^cvs sub35_pass2.sh >sub35_fix2.sh
  /bin/bash -x sub35_fix2.sh

  # do R3_4_maintenance
  ../../scripts/retag_cvs.sh modules_ui.sh R3_4 "06/11/2008 00:00" R3_4_maintenance >tag34_pass1.sh
  grep ^cvs tag34_pass1.sh >tag34_fix1.sh
  /bin/bash -x tag34_fix1.sh
  ../../scripts/retag_cvs.sh modules_ui.sh R3_4 "06/11/2008 00:00" R3_4_maintenance >tag34_pass2.sh

  # do R3_4_1, R3_4_2
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_4 R3_4_1 >sub34_pass1.sh
  grep ^cvs sub34_pass1.sh >sub34_fix1.sh
  # this says some random parts of org.eclipse.core.databinding.observable already tagged
  # W org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/list/ObservableList.java : R3_4_1 already exists on version 1.12.2.1 : NOT MOVING tag to version 1.12
  # W org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/map/AbstractObservableMap.java : R3_4_1 already exists on version 1.8.2.1 : NOT MOVING tag to version 1.8
  # W org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/map/ObservableMap.java : R3_4_1 already exists on version 1.7.4.1 : NOT MOVING tag to version 1.7
  # W org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/set/ObservableSet.java : R3_4_1 already exists on version 1.6.2.1 : NOT MOVING tag to version 1.6
  # W org.eclipse.core.databinding.observable/src/org/eclipse/core/internal/databinding/observable/UnmodifiableObservableValue.java : R3_4_1 already exists on version 1.2.2.2 : NOT MOVING tag to version 1.2
  /bin/bash -x sub34_fix1.sh

  ../../scripts/subtag_cvs.sh modules_ui.sh R3_4_1 R3_4_2 >sub34_pass2.sh
  grep ^cvs sub34_pass2.sh >sub34_fix2.sh
  /bin/bash -x sub34_fix2.sh

  # do R3_3_maintenance
  ../../scripts/retag_cvs.sh modules_ui.sh R3_3 "06/14/2007 00:00" R3_3_maintenance >tag33_pass1.sh
  grep ^cvs tag33_pass1.sh >tag33_fix1.sh
  /bin/bash -x tag33_fix1.sh

  # do R3_3_1 and R3_3_2
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_3 R3_3_1 >sub33_pass1.sh
  grep ^cvs sub33_pass1.sh >sub33_fix1.sh
  /bin/bash -x sub33_fix1.sh
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_3_1 R3_3_2 >sub33_pass2.sh
  grep ^cvs sub33_pass2.sh >sub33_fix2.sh
  /bin/bash -x sub33_fix2.sh

  # do R3_2_maintenance
  ../../scripts/retag_cvs.sh modules_ui.sh R3_2 "06/06/2006 00:00" R3_2_maintenance >tag32_pass1.sh
  grep ^cvs tag32_pass1.sh >tag32_fix1.sh
  /bin/bash -x tag32_fix1.sh

  # R3_2_1, R3_2_2
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_2 R3_2_1 >sub32_pass1.sh
  grep ^cvs sub32_pass1.sh >sub32_fix1.sh
  /bin/bash -x sub32_fix1.sh
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_2_1 R3_2_2 >sub32_pass2.sh
  grep ^cvs sub32_pass2.sh >sub32_fix2.sh
  /bin/bash -x sub32_fix2.sh

  # do R3_1_maintenance
  ../../scripts/retag_cvs.sh modules_ui.sh R3_1 "06/28/2005 00:00" R3_1_maintenance >tag31_pass1.sh
  grep ^cvs tag31_pass1.sh >tag31_fix1.sh
  /bin/bash -x tag31_fix1.sh

  # do R3_1_1, R3_1_2
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_1 R3_1_1 >sub31_pass1.sh
  grep ^cvs sub31_pass1.sh >sub31_fix1.sh
  /bin/bash -x sub31_fix1.sh
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_1_1 R3_1_2 >sub31_pass2.sh
  grep ^cvs sub31_pass2.sh >sub31_fix2.sh
  /bin/bash -x sub31_fix2.sh

  # try R3_0_maintenance :-)
  ../../scripts/retag_cvs.sh modules_ui.sh R3_0 "06/25/2004 00:00" R3_0_maintenance >tag30_pass1.sh
  grep ^cvs tag30_pass1.sh >tag30_fix1.sh
  /bin/bash -x tag30_fix1.sh

  # do R3_0_1, R3_0_2
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_0 R3_0_1 >sub30_pass1.sh
  grep ^cvs sub30_pass1.sh >sub30_fix1.sh
  /bin/bash -x sub30_fix1.sh
  ../../scripts/subtag_cvs.sh modules_ui.sh R3_0_1 R3_0_2 >sub30_pass2.sh
  grep ^cvs sub30_pass2.sh >sub30_fix2.sh
  /bin/bash -x sub30_fix2.sh

  # ooops, do R3_7_maintenance
  ../../scripts/retag_cvs.sh modules_ui.sh R3_7 "06/24/2011 00:00" R3_7_maintenance >tag37_pass1.sh
  grep ^cvs tag37_pass1.sh >tag37_fix1.sh
  /bin/bash -x tag37_fix1.sh


# create a local cvs root
# I did this on build.eclipse.org
  mkdir cvsroot.eclipse.platform.ui
  cd cvsroot.eclipse.platform.ui
  cvs -d :local:$(pwd) init

# make a userful subdir to use
  mkdir -p eclipse.platform.ui
  cd eclipse.platform.ui
  mkdir bundles  examples  features  tests

# copy over from modules
  . modules_ui.sh
  cd /cvsroot/eclipse
  for M in $MODULES; do
    cp -r $M /shared/eclipse/e4/git/cvs/cvsroot.eclipse.platform.ui/eclipse.platform.ui/bundles
  done

# move them into tests or examples, as they're all in bundles.


# clean the CVS repo of links
  find cvsroot.eclipse.platform.ui -type l|xargs -n 1 rm

# for this test, I stayed on build.eclipse.org
# can be done on a local machine, if you cp the cvsroot over.


# get the cvs2git tool
  svn co --username=guest --password="" http://cvs2svn.tigris.org/svn/cvs2svn/trunk cvs2svn-trunk

# run the cvs2git tool
  cvs2svn-trunk/cvs2git --options=org.eclipse.migration/eclipse.platform.ui/pass2/cvs2git.options

# create a git repo
  git init --shared eclipse.platform.ui #tmp repo

# try the fast import
  cd eclipse.platform.ui
  cat ../cvs2svn-tmp/git-blob.dat ../cvs2svn-tmp/git-dump.dat | git fast-import

# move the tags into a useful place
  python ../cvs2svn-trunk/contrib/git-move-refs.py

# Prune and pack the repo
  git prune
  git repack -a -d --depth=250 --window=250
  git gc --aggressive
  git repack -a -d --depth=250 --window=250

# verify the repo - this can take long, so for your first test skip this step.
  mkdir compare-tmp
  python $(pwd)/cvs2svn-trunk/contrib/verify-cvs2svn.py \
  --git $(pwd)/cvsroot/eclipse.platform.ui \
  $(pwd)/eclipse.platform.ui \
  --tmp=$(pwd)/compare-tmp --diff >compare-log.txt 2>&1 &


# we also have to delete at least 2 tags:
git tag -d 'R3_6_api_cleanup_<build_20091125>'
git tag -d 'R3_6_p2_api_cleanup_<20091216>'


# Fixing the Delete only tags:
  /bin/bash ../org.eclipse.migration/scripts/fix_tags.sh >../tag_report.sh
  grep ^git ../tag_report.sh >../mv_tags.sh
  # examine them
  /bin/bash ../mv_tags.sh

# now examine the repo, hopefully the tags and branches that we care about are in decent shape.
# In my case, I see Cherrypick markers for a couple of tags.  When the conversion is complete and most
# people are happy, a developer will have to examine these commits to see if they
# can be simplified.
Cherrypick tag: R3_0 commit: ec4e21626f848f63af2a079c5f5e161efc8630fa
Cherrypick tag: R3_0_2 commit: ab6a3dacc5785470eaad1a091359123c78b7ea83
Cherrypick tag: R3_1 commit: 805e3ddc8ae21b1c012bd6cffd0f4473e831e695
Cherrypick tag: R3_4_1 commit: 6df1509a2002dea97b89c12b67ac2a24dbe0f726
Cherrypick tag: R3_5 commit: 5d4327c6204d8892eea7dae079391d93bd44c82c

  cd ..
  git clone --bare eclipse.platform.ui eclipse.platform.ui.git
  cd eclipse.platform.ui.git
  git remote rm origin
  # check that it is shared
  git config -l
  # the fix if it is not
  git config --add core.sharedrepository 1

# copy it to git root, must be done from pwebster
  ssh build.eclipse.org /bin/cp -r /shared/eclipse/e4/git/cvs/eclipse.platform.ui.git /home/data/users/pwebster
  ssh dev.eclipse.org /bin/cp -r /home/data/users/pwebster/eclipse.platform.ui.git/* /gitroot/platform/eclipse.platform.ui.git

# now it should be a public test repo:
  ssh://pwebster@dev.eclipse.org/gitroot/platform/eclipse.platform.ui.git


#
#
#  All of the stuff below are extra steps.
#


# add a .gitignore to branches you care about ... litter git with commits! :-)
  cd eclipse.platform.ui
#contents:
bin/
target/
*~
*.rej
*.bak


# try and generate some author data to include in the options file
  find org.eclipse.ui.workbench -name "*,v" -exec grep "^date.*author " {} \; >author.raw
  grep -v "Binary file" author.raw | sed 's/^date.*author //g' | sed 's/;.*$//g' | sort -u >author.ids
  for ID in $( cat author.ids ); do
    ENT=$( getent passwd $ID )
    if [ $? -eq 0 ]; then NAME=$( echo $ENT | cut -f5 -d: ); else NAME=$ID; fi
    echo "'$ID' : ('$NAME', '$ID@eclipse.org')," >>author.py
  done

  # or using LDAP, better email addresses
  for ID in $( cat author.ids ); do
    ldapsearch -x -b "dc=eclipse,dc=org" -s sub "(uid=$ID)" >tmp.txt
    NAME=$ID
    EMAIL=$ID
    if grep "numEntries: 1\$" tmp.txt >/dev/null; then
      NAME=$( grep ^cn: tmp.txt | sed 's/cn: //g' )
      #EMAIL=$( grep ^mail: tmp.txt | sed 's/mail: //g' )
    fi
    echo "'$ID' : ('$NAME', '$EMAIL')," >>author.py
  done


# add it to a bare repo
  git remote bareLocal ssh://e4Build@build.eclipse.org/shared/eclipse/e4/git/cvs/eclipse.platform.ui.git
  git push --all bareLocal
  git push --tags bareLocal


# put it into a test location
  cd /gitroot/e4
  git clone -l --mirror $HOME/eclipse.platform.ui.git eclipse.platform.ui.git


# converting a simple map file - this does funky things as it tokenizes the line
  while read LINE; do 
    if (echo $LINE | grep :pserver >/dev/null); then 
      HDR=$( echo $LINE | cut -f1 -d= ) 
      ID=$( echo $HDR | cut -f2 -d\@ )
      TAG=$( echo $LINE | cut -f1 -d, | cut -f2 -d= )
      echo "${HDR}=GIT,tag=${TAG},repo=git://git.eclipse.org/gitroot/e4/eclipse.platform.ui.git,path=bundles/$ID" >>new.map
    else
      echo $LINE >>new.map
    fi
  done <ui.map

# converting a simple map file with sed
  sed 's/^\([^@]*\)@\([^=]*\)=\([^,]*\),.*$/\1@\2=GIT,tag=\3,repo=git:\/\/git.eclipse.org\/gitroot\/e4\/eclipse.platform.ui.git,path=bundles\/\2/g'
  # for tests, we use file:///gitroot
  # provides default path in bundles, needs to be modified afterwards for tests and examples