#!/bin/sh
# This file is a part of Julia. License is MIT: https://julialang.org/license

setglobal curlhdr = '"Accept: application/vnd.travis-ci.2+json'"
setglobal endpoint = ""https://api.travis-ci.org/repos/$TRAVIS_REPO_SLUG""

# Fail fast for superseded builds to PR's
if test $TRAVIS_PULL_REQUEST != "false" {
  setglobal newestbuildforthisPR = $[curl -H $curlhdr $endpoint/builds?event_type=pull_request | \
      jq ".builds | map(select(.pull_request_number == $TRAVIS_PULL_REQUEST))[0].number]
  if test $newestbuildforthisPR != null -a $newestbuildforthisPR != '"'$TRAVIS_BUILD_NUMBER'"' {
    echo "There are newer queued builds for this pull request, failing early."
    exit 1
  }
} else {
  # And for non-latest push builds in branches other than master or release*
  match $TRAVIS_BRANCH {
    with master | release*
      
    with *
      if test '"'$TRAVIS_BUILD_NUMBER'"' != $[curl -H $curlhdr \
          $endpoint/branches/$TRAVIS_BRANCH | jq ".branch.number] {
        echo "There are newer queued builds for this branch, failing early."
        exit 1
      }
      
  }
}