rebuild-docker

#!/bin/bash

if ! git rev-parse --verify -q origin/master >/dev/null; then
  git remote set-branches origin --add master
fi
if ! git rev-parse --verify -q origin/linux-docker >/dev/null; then
  git remote set-branches origin --add linux-docker
fi
git fetch origin
master_rev=$(git rev-parse origin/master)
docker_parent=$(git log -1 --format='%P' origin/linux-docker)

[ "$master_rev" == "$docker_parent" ] && exit 0

echo "Triggering rebuild of docker branch..."

rebuild_dir="$(mktemp -d machineinfo-XXXXX)"
git branch -D linux-docker-rebuild 2>/dev/null
git branch linux-docker-rebuild origin/master
git clone --branch linux-docker-rebuild ./ "$rebuild_dir"

(
  cd "$rebuild_dir"

  perl -i -e'while(<>){ if (/^branches:/) { while(<>) { last if /^\S/ } } print unless /^sudo:/ }' .travis.yml
  echo "
  sudo: false
  branches:
  include:
  - linux-docker
  " >> .travis.yml
  git add .travis.yml

  export GIT_AUTHOR_NAME="$(git log -n 1 --format='%an')"
  export GIT_AUTHOR_EMAIL="$(git log -n 1 --format='%ae')"
  export GIT_COMMITTER_NAME="Travis CI"
  export GIT_COMMITTER_EMAIL="travis-ci@$(hostname -f)"
  git commit -m"Build for linux-docker"

  git push -f origin linux-docker-rebuild
)
rm -rf "$rebuild_dir"

git push -f origin linux-docker-rebuild:linux-docker