1#!/bin/bash
2
3if [ -z "$VALIDATE_UPSTREAM" ]; then
4	# this is kind of an expensive check, so let's not do this twice if we
5	# are running more than one validate bundlescript
6
7	VALIDATE_REPO='https://github.com/docker/machine.git'
8	VALIDATE_BRANCH='master'
9
10	if [ "$TRAVIS" = 'true' -a "$TRAVIS_PULL_REQUEST" != 'false' ]; then
11		VALIDATE_REPO="https://github.com/${TRAVIS_REPO_SLUG}.git"
12		VALIDATE_BRANCH="${TRAVIS_BRANCH}"
13	fi
14
15	VALIDATE_HEAD="$(git rev-parse --verify HEAD)"
16
17	git fetch -q "$VALIDATE_REPO" "refs/heads/$VALIDATE_BRANCH"
18	VALIDATE_UPSTREAM="$(git rev-parse --verify FETCH_HEAD)"
19
20	VALIDATE_COMMIT_LOG="$VALIDATE_UPSTREAM..$VALIDATE_HEAD"
21	VALIDATE_COMMIT_DIFF="$VALIDATE_UPSTREAM...$VALIDATE_HEAD"
22
23	validate_diff() {
24		if [ "$VALIDATE_UPSTREAM" != "$VALIDATE_HEAD" ]; then
25			git diff "$VALIDATE_COMMIT_DIFF" "$@"
26		fi
27	}
28	validate_log() {
29		if [ "$VALIDATE_UPSTREAM" != "$VALIDATE_HEAD" ]; then
30			git log "$VALIDATE_COMMIT_LOG" "$@"
31		fi
32	}
33fi
34