Move validation out of hack/make

Allow each script to run directly without the hack/make.sh wrapper. These
scripts do not produce artifacts and do not benefit from the "bundles"
framework.

Signed-off-by: Daniel Nephin <dnephin@docker.com>
Upstream-commit: 22033e10034884734621f185b60ddaa119014480
Component: engine

components/engine/hack/make/validate-dco

@@ -1,54 +0,0 @@
-#!/bin/bash
-
-source "${MAKEDIR}/.validate"
-
-adds=$(validate_diff --numstat | awk '{ s += $1 } END { print s }')
-dels=$(validate_diff --numstat | awk '{ s += $2 } END { print s }')
-#notDocs="$(validate_diff --numstat | awk '$3 !~ /^docs\// { print $3 }')"
-
-: ${adds:=0}
-: ${dels:=0}
-
-# "Username may only contain alphanumeric characters or dashes and cannot begin with a dash"
-githubUsernameRegex='[a-zA-Z0-9][a-zA-Z0-9-]+'
-
-# https://github.com/docker/docker/blob/master/CONTRIBUTING.md#sign-your-work
-dcoPrefix='Signed-off-by:'
-dcoRegex="^(Docker-DCO-1.1-)?$dcoPrefix ([^<]+) <([^<>@]+@[^<>]+)>( \\(github: ($githubUsernameRegex)\\))?$"
-
-check_dco() {
-	grep -qE "$dcoRegex"
-}
-
-if [ $adds -eq 0 -a $dels -eq 0 ]; then
-	echo '0 adds, 0 deletions; nothing to validate! :)'
-else
-	commits=( $(validate_log --format='format:%H%n') )
-	badCommits=()
-	for commit in "${commits[@]}"; do
-		if [ -z "$(git log -1 --format='format:' --name-status "$commit")" ]; then
-			# no content (ie, Merge commit, etc)
-			continue
-		fi
-		if ! git log -1 --format='format:%B' "$commit" | check_dco; then
-			badCommits+=( "$commit" )
-		fi
-	done
-	if [ ${#badCommits[@]} -eq 0 ]; then
-		echo "Congratulations!  All commits are properly signed with the DCO!"
-	else
-		{
-			echo "These commits do not have a proper '$dcoPrefix' marker:"
-			for commit in "${badCommits[@]}"; do
-				echo " - $commit"
-			done
-			echo
-			echo 'Please amend each commit to include a properly formatted DCO marker.'
-			echo
-			echo 'Visit the following URL for information about the Docker DCO:'
-			echo ' https://github.com/docker/docker/blob/master/CONTRIBUTING.md#sign-your-work'
-			echo
-		} >&2
-		false
-	fi
-fi