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#!/bin/bash
set -e
set -u
set -o pipefail
# This script creates a new branch then migrate all the maven stuff in it and commit that branch.
# then it runs mvn install to check that everything is still running
# Useful commands while testing
# rm -rf migration/tmp plugins
# git checkout pr/migration_script -f
# git add .; git commit -m "Add migration script" --amend
# ./migrate.sh
# mvn clean install -DskipTests
GIT_BRANCH="refactoring/add_lang"
# Insert a new text after a given line
# insertLinesAfter text_to_find text_to_add newLine_separator filename
# insertLinesAfter "<\/project>" " <modules>= <\/modules>" "§" "pom.xml"
function insertLinesAfter() {
# echo "## modify $4 with $2"
sed "s/$1/$1$3$2/" $4 | tr "$3" "\n" > $4.new
mv $4.new $4
}
# Insert a new text before a given line
# insertLinesBefore text_to_find text_to_add newLine_separator filename
# insertLinesBefore "<\/project>" " <modules>= <\/modules>" "§" "pom.xml"
function insertLinesBefore() {
# echo "## modify $4 with $2"
sed "s/$1/$2$3$1/" $4 | tr "$3" "\n" > $4.new
mv $4.new $4
}
# Replace text in a file
# replaceLine old_text new_text filename
# replaceLine "old" "new" "pom.xml"
function replaceLine() {
# echo "## modify $3 with $2"
sed "s/^$1/$2/" $3 > $3.new
mv $3.new $3
}
# Remove lines in a file
# removeLines from_text_included to_text_included filename
# removeLines "old" "new" "pom.xml"
function removeLines() {
# echo "## remove lines in $3 from $1 to $2"
sed "/$1/,/$2/d" $3 > $3.new
mv $3.new $3
}
# Migrate a plugin
# migratePlugin short_name
function migratePlugin() {
PLUGIN_GIT_REPO="https://github.com/elastic/elasticsearch-$1.git"
git remote add remote_$1 $PLUGIN_GIT_REPO
git fetch remote_$1 > /dev/null 2>/dev/null
echo "## Add $1 module from $PLUGIN_GIT_REPO"
# echo "### fetch $1 project from $PLUGIN_GIT_REPO in plugins"
# If you want to run that locally, uncomment this line and comment one below
#cp -R ../elasticsearch-$1/* plugins/$1
# git clone $PLUGIN_GIT_REPO plugins/$1 > /dev/null 2>/dev/null
git checkout -b migrate_$1 remote_$1/master > /dev/null 2>/dev/null
git remote rm remote_$1 > /dev/null 2>/dev/null
mkdir -p plugins/$1
git mv -k * plugins/$1 > /dev/null 2>/dev/null
git rm .gitignore > /dev/null 2>/dev/null
# echo "### change $1 groupId to org.elasticsearch.plugin"
# Change the groupId to avoid conflicts with existing 2.0.0 versions.
replaceLine " <groupId>org.elasticsearch<\/groupId>" " <groupId>org.elasticsearch.plugin<\/groupId>" "plugins/$1/pom.xml"
# echo "### cleanup $1 pom.xml"
removeLines "<issueManagement>" "<\/issueManagement>" "plugins/$1/pom.xml"
removeLines "<repositories>" "<\/repositories>" "plugins/$1/pom.xml"
removeLines "<url>" "<\/scm>" "plugins/$1/pom.xml"
# echo "### remove version 5.0.0-SNAPSHOT from $1 pom.xml"
# All plugins for ES 5.0.0 uses 5.0.0-SNAPSHOT version number
replaceLine " <version>5.0.0-SNAPSHOT<\/version>" "" "plugins/$1/pom.xml"
# echo "### remove unused dev-tools and .git dirs and LICENSE.txt and CONTRIBUTING.md files"
rm -r plugins/$1/dev-tools
rm -rf plugins/$1/.git
rm plugins/$1/LICENSE.txt
rm plugins/$1/CONTRIBUTING.md
# echo "### commit changes"
git add --all .
git commit -m "add $1 module" > /dev/null
git checkout $GIT_BRANCH
git merge -m "migrate branch for $1" migrate_$1 > /dev/null 2>/dev/null
# We can now add plugin module
insertLinesBefore " <\/modules>" " <module>$1<\/module>" "§" "plugins/pom.xml"
git add .
git commit -m "add $1 module" > /dev/null
git branch -D migrate_$1
}
echo "# STEP 0 : prepare the job"
# echo "## create git $GIT_BRANCH work branch"
# It first clean the existing branch if any
echo "(You can safely ignore branch not found below)"
git branch -D $GIT_BRANCH > /dev/null || :
# Create the new branch
git branch $GIT_BRANCH > /dev/null
git checkout $GIT_BRANCH > /dev/null 2>/dev/null
echo "# STEP 4 : Migrate plugins"
# Analysis
migratePlugin "lang-python"
migratePlugin "lang-javascript"
echo "you can now run:"
echo "mvn clean install -DskipTests"
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