Dokku git plugin migration script

migrate-git-plugin.sh

#!/bin/bash
set -e

DOKKU_ROOT=/home/dokku
GIT_HOME=/home/git

# Old repo files of when PPAs were used. Remove them
rm -f /etc/apt/sources.list.d/dotcloud-lxc-docker-raring.list*

# Stop and get rid of the nginx-reload daemon if it the user is upgrading from and old version (pre PR #262)
stop nginx-reloader || true
rm -f /etc/init/nginx-reloader.conf

# .sshcommand is the only file we need to save
cp $DOKKU_ROOT/.sshcommand $GIT_HOME

rm -Rf $DOKKU_ROOT

mv $GIT_HOME $DOKKU_ROOT
deluser git

chown dokku:dokku -R $DOKKU_ROOT

rm -f $DOKKU_ROOT/receiver

# Change gitreceive into sshcommand
sed -i 's#/usr/local/bin/gitreceive run \([^ ]\+\) \(\([0-9a-f][0-9a-f]:\?\)*\)#FINGERPRINT=\2 NAME=\1 `cat /home/dokku/.sshcommand` $SSH_ORIGINAL_COMMAND#' $DOKKU_ROOT/.ssh/authorized_keys 
# Allow pty
sed -i 's#no-pty,##' $DOKKU_ROOT/.ssh/authorized_keys 

# fix prereceive hooks
for APP_PATH in $(ls -d $DOKKU_ROOT/*/); do
  APP=$(basename $APP_PATH)
  PRERECEIVE_HOOK="$APP_PATH/hooks/pre-receive"
  cat > $PRERECEIVE_HOOK <<EOF
#!/usr/bin/env bash
set -e; set -o pipefail;
cat | DOKKU_ROOT="$DOKKU_ROOT" dokku git-hook $APP
EOF
  chmod +x $PRERECEIVE_HOOK  
done


touch /etc/sudoers.tmp
cp /etc/sudoers /tmp/sudoers.new
sed -i '/%git ALL=(ALL)NOPASSWD:\/etc\/init.d\/nginx reload # dokku-nginx-reload/d' /tmp/sudoers.new
EDITOR="cp /tmp/sudoers.new" visudo
rm /tmp/sudoers.new

rm /usr/local/bin/gitreceive

cat <<EOF
Migration succeeded !
Run "make install" and "dokku deploy:all" to complete
You will need to change your git remotes.
EOF