eventum bzr to git migrate

.gitignore

eventum.bzr

README.md

bzr2git

Eventum Bazaar to Git migration scripts.

Originally created by Petter Sandholdt, improved by Elan Ruusamäe which now landed here.

This is two way synchronization from Eventum Bazaar repository (trunk) to Eventum Git repository (master).

authors

# authors file for Eventum bzr2git migration
apache=svnadmin
!balsdorf=Bryan Alsdorf <balsdorf@gmail.com>
balsdorf=Bryan Alsdorf <balsdorf@gmail.com>
bkbits.net!cvsexport=bk2cvs
Bryan Alsdorf <bryan@achilles>=Bryan Alsdorf <balsdorf@gmail.com>
Bryan Alsdorf <bryan@askmonty.org>=Bryan Alsdorf <balsdorf@gmail.com>
Bryan Alsdorf <bryan@montyprogram.com>=Bryan Alsdorf <balsdorf@gmail.com>
bryan@askmonty.org=Bryan Alsdorf <balsdorf@gmail.com>
!bryan=Bryan Alsdorf <balsdorf@gmail.com>
bryan@montyprogram.com=Bryan Alsdorf <balsdorf@gmail.com>
 <Elan>=Elan Ruusamäe <glen@delfi.ee>
glen@delfi.ee=Elan Ruusamäe <glen@delfi.ee>
glen=Elan Ruusamäe <glen@delfi.ee>
Harri Porten <porten@greco>=Harri Porten <porten@froglogic.com>
Hartmut Holzgraefe <hartmut@mysql.com>=Hartmut Holzgraefe <hartmut@php.net>
jesushatesjava.com!balsdorf=Bryan Alsdorf <balsdorf@gmail.com>
jesushatesjava.com!bryan/balsdorf=Bryan Alsdorf <balsdorf@gmail.com>
kbrown=Kirk Brown <kirk@kirkbrown.com>
Launchpad Code Hosting <codehost@crowberry>=Elan Ruusamäe (Launchpad Translations) <glen@delfi.ee>
Launchpad Translations on behalf of glen666=Elan Ruusamäe (Launchpad Translations) <glen@delfi.ee>
mroszyk=Matt Roszyk <mrrozz@gmail.com>
mysql.com!bryan=Bryan Alsdorf <balsdorf@gmail.com>
mysql.com!ebraswell2=Eric <eric@bitherder.net>
mysql.com!jimw=Jim Winstead <>
mysql.com!jpm=João Prado Maia <jpm@pessoal.org>
mysql.com!lgrimmer=Lenz Grimmer <lenz@grimmer.com>
rlambe=Ray Lambe <ray.lambe@nf.sympatico.ca>
=?utf-8?q?Elan_Ruusam=C3=A4e?= <glen@delfi.ee>=Elan Ruusamäe <glen@delfi.ee>

create_repo.sh

#!/bin/sh
set -e

dir=$(dirname "$0")
dir=$(cd "$dir"; pwd)

# checkout bazaar locally, to cut down network traffic if want to restart process
test -d eventum.bzr || bzr branch lp:eventum eventum.bzr

# live one
#bzr_upstream=lp:eventum
# test one
bzr_upstream=$dir/eventum.bzr

# TODO:
# - use bare repo: https://github.com/termie/git-bzr-ng/issues/52
# Create repo
# mkdir, so it will fail if dir exists
mkdir eventum.git
cd eventum.git
git init

# Prepare for bzr
install -d .git/bzr/{map,repo}
bzr init-repo --no-trees .git/bzr/repo
bzr branch $bzr_upstream .git/bzr/repo/master

# Fast-export the bzr repo
test -s $dir/bzr-fast-export.raw || \
bzr fast-export --plain --export-marks=.git/bzr/map/master-bzr --git-branch=bzr/master .git/bzr/repo/master \
	> $dir/bzr-fast-export.raw

test -s $dir/bzr-fast-export || \
	bzr fast-import-filter --user-map=$dir/authors > $dir/bzr-fast-export < $dir/bzr-fast-export.raw

# Import into git
git fast-import --export-marks=.git/bzr/map/master-git < $dir/bzr-fast-export
rm -f $dir/bzr-fast-export*
git branch master bzr/master
git config bzr.master.bzr bzr/master
git config bzr.bzr/master.upstream $bzr_upstream

# make some space
# 115MiB -> 36MiB
git gc --prune=now --aggressive
#git gc --aggressive
git repack -a -d -f -F --window=250 --depth=250

#git remote add github git@github.com:petterl/eventum.git
#git remote add github git@github.com:glensc/eventum.git
#git push -u github master

sync-repos.sh

#!/bin/sh
set -e

dir=$(dirname "$0")
dir=$(cd "$dir"; pwd)

# pull bzr and git changes
cd $dir/eventum.bzr
bzr pull

cd $dir/eventum.git
git pull

# first pull bzr->git
git bzr pull
# then push git->bzr
git bzr push

# and distribute changes
#git push origin master
cd $dir/eventum.bzr
#bzr push