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#!/bin/sh
# fetchmail-svn2git.sh - (C) 2009, 2010 by Matthias Andree, GNU GPL v3.
set -eu
#######################################################################
# Adjust the next three settings below:
# safe can be obtained from <git://repo.or.cz/svn-all-fast-export.git>
# and must be built before we can use it:
safe="$HOME/VCS-other/svn-all-fast-export/svn-all-fast-export"
# svn is the path to a verbatim copy of the server-side SVN repository
# obtained with rsync or with svnadmin dump and load:
svn="$HOME/VCS-mine/fetchmail.svnrepo.backup"
# git specifies where you want the converted repository to end up.
git="$HOME/fetchmail.git"
#
#######################################################################
# There should be no need to change anything below:
#######################################################################
# obtain current directory
dir="$(dirname $0)"
# obtain absolute directory
dir="$( ( cd "$dir" && pwd ) )"
# Pluck these from the same directory as this script
auth="$dir/fetchmail.authors"
rule="$dir/fetchmail.rules"
# create git repository
mkdir "$git"
cd "$git"
git init
# run svn-all-fast-export, which already imports stuff into git
"$safe" --identity-map="$auth" "$rule" "$svn"
# turn tags/ branches into tags
git branch -a \
| grep _tag_ \
| while read a ; do
if git show-ref -q "$a" ; then
(
eval $(git log -1 --format="tformat:GIT_AUTHOR_NAME=\"%an\"%nGIT_AUTHOR_EMAIL=\"%ae\"%nGIT_AUTHOR_DATE=\"%ai\"%nGIT_COMMITTER_NAME=\"%cn\"%nGIT_COMMITTER_EMAIL=\"%ce\"%nGIT_COMMITTER_DATE=\"%ci\"" "$a")
MSG=$(git log -1 --pretty="tformat:%s%n%n%b" "$a")
export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
export GIT_COMMITTER_NAME GIT_COMMITTER_EMAIL GIT_COMMITTER_DATE
if test "$GIT_AUTHOR_NAME" = nobody ; then
# cvs2svn tag => lightweight
git tag "${a##_tag_}" "$a"
else
# keep message
git tag -a -m "$MSG" "${a##_tag_}" "$a"
fi
git branch -D "$a"
)
fi
done
# clean up
git gc --aggressive
|
