Rewrite SVN User to git user

rewrite.sh

#!/bin/bash

raw=`cat users.txt`
IFS=$'\n'
arr=($raw)

output=""
for i in "${arr[@]}"
do
	IFS='=' read -a line <<< "$i"
	svn_user=`echo "${line[0]}" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//'`
	git_name=`echo "${line[1]}" | egrep -o '(\w.*)\s*<' | egrep -o '\w.*\w'`
	git_mail=`echo "${line[1]}" | egrep -o '<(.+)>' | egrep -o '[^<>]+'`
	echo "Processing $svn_user who is really name ($git_name) with mail ($git_mail)"

	output=$( cat <<EOF
		$output
		if [ "\$GIT_COMMITTER_EMAIL" = "$svn_user" ]
                then
                    cn="$git_name"
                    cm="$git_mail"
                fi
                if [ "\$GIT_AUTHOR_EMAIL" = "$svn_user" ]
                then
                    an="$git_name"
                    am="$git_mail"
                fi
EOF
	)

done

git filter-branch -f --env-filter "
	an=\"\$GIT_AUTHOR_NAME\"
	am=\"\$GIT_AUTHOR_EMAIL\"
	cn=\"\$GIT_COMMITTER_NAME\"
	cm=\"\$GIT_COMMITTER_EMAIL\"

	$output
	 
	export GIT_AUTHOR_NAME=\"\$an\"
	export GIT_AUTHOR_EMAIL=\"\$am\"
	export GIT_COMMITTER_NAME=\"\$cn\"
	export GIT_COMMITTER_EMAIL=\"\$cm\"
"

users.txt

DaPanda = Da Panda <[email protected]>