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Post checkout hook for managing rails migrations and bundle install
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CHECKING_OUT_BRANCH=$3 | |
OLD_BRANCH=$1 | |
NEW_BRANCH=$2 | |
if [ $CHECKING_OUT_BRANCH -eq 1 ] | |
then | |
FILES_CHANGED=`git diff $OLD_BRANCH $NEW_BRANCH --name-status` | |
MIGRATIONS_REMOVED=`echo "$FILES_CHANGED" | egrep 'D\tdb/migrate/([0-9]+)' | sort -r` | |
MIGRATIONS_ADDED=`echo "$FILES_CHANGED" | egrep 'A\tdb/migrate/([0-9]+)'` | |
# CHECK IF WE NEED TO DO A BUNDLE | |
BUNDLE_CHANGED=`echo "$FILES_CHANGED" | egrep 'M\tGemfile.lock'` | |
if [ ! -z "$BUNDLE_CHANGED" ]; then | |
echo "Your Gemfile.lock has changed, running bundle" | |
bundle | |
fi | |
if [ ! -z "$MIGRATIONS_REMOVED" ]; then | |
echo "Rolling back missing migrations" | |
for migration in $MIGRATIONS_REMOVED | |
do | |
if [ $migration == "D" ]; then | |
continue | |
fi | |
git checkout "$OLD_BRANCH" -- "$migration" | |
VERSION=`echo "$migration" | cut -d'_' -f1 | cut -d'/' -f3` | |
bundle exec rake db:migrate:down VERSION="$VERSION" | |
git reset | |
rm "$migration" | |
done | |
bundle exec rake db:test:prepare | |
git checkout db/schema.rb | |
fi | |
if [ ! -z "$MIGRATIONS_ADDED" ]; then | |
echo "New migrations have been added running migrations" | |
bundle exec rake db:migrate db:test:prepare | |
fi | |
fi |
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