Remove DCO validation

CONTRIBUTING.md

@@ -75,11 +75,11 @@ to clean-up build results.
 We use the usual `go` tools for this, to run those commands you need at least the linter which you can
 install with `go get -u golang.org/x/lint/golint`
 
-To run basic validation (dco, fmt), and the project unit tests, call:
+To run basic validation (fmt, test-short, lint, vet), and the project unit tests, call:
 
     $ make test
 
-If you want more indepth validation (vet, lint), and all tests with race detection, call:
+If you want all tests with race detection, call:
 
     $ make validate
 
@@ -150,7 +150,6 @@ Scrub build results:
     make fmt
     make vet
     make lint
-    make dco
 
 ### Managing dependencies
 

mk/main.mk

@@ -41,7 +41,7 @@ include mk/validate.mk
 .all_coverage: coverage-generate coverage-html coverage-send coverage-serve coverage-clean
 .all_release: release-checksum release
 .all_test: test-short test-long test-integration
-.all_validate: dco fmt vet lint
+.all_validate: fmt vet lint
 
 default: build
 
@@ -49,7 +49,7 @@ install:
 	cp $(PREFIX)/bin/$(PKG_NAME) /usr/local/bin
 
 clean: coverage-clean build-clean
-test: dco fmt test-short lint vet
-validate: dco fmt lint vet test-long
+test: fmt test-short lint vet
+validate: fmt lint vet test-long
 
 .PHONY: .all_build .all_coverage .all_release .all_test .all_validate test build validate clean

mk/validate.mk

-# Validate DCO on all history
-mkfile_path := $(abspath $(lastword $(MAKEFILE_LIST)))
-current_dir := $(notdir $(patsubst %/,%,$(dir $(mkfile_path))))
-
-# XXX vendorized script miss exec bit, hence the gymnastic
-# plus the path resolution...
-# TODO migrate away from the shell script and have a make equivalent instead
-dco:
-	@echo `bash $(current_dir)/../script/validate-dco`
-
 fmt:
 	@test -z "$$(gofmt -s -l . 2>&1 | grep -v vendor/ | tee /dev/stderr)"
 

script/validate-dco

-#!/bin/bash
-
-source "$(dirname "$BASH_SOURCE")/.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 $dels -eq 0 ]; then
-	echo '0 adds, 0 deletions; nothing to validate! :)'
-elif [ -z "$notDocs" -a $adds -le 1 -a $dels -le 1 ]; then
-	echo 'Congratulations!  DCO small-patch-exception material!'
-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