Add license headers

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

.editorconfig

@@ -1,18 +0,0 @@
-# This file is for unifying the coding style for different editors and IDEs.
-# More information at http://editorconfig.org
-
-root = true
-
-[*]
-charset = utf-8
-indent_size = 2
-indent_style = space
-end_of_line = lf
-insert_final_newline = true
-trim_trailing_whitespace = true
-
-[*.go]
-indent_style = tab
-
-[*.md]
-trim_trailing_whitespace = false

.github/workflows/test.yml

@@ -7,14 +7,10 @@ on:
       - 'v*'
     tags:
       - 'v*'
-    paths-ignore:
-      - '**.md'
   pull_request:
     branches:
       - 'main'
       - 'v*'
-    paths-ignore:
-      - '**.md'
 
 jobs:
   validate:

LICENSE

@@ -1,7 +1,7 @@
 
                                  Apache License
                            Version 2.0, January 2004
-                        https://www.apache.org/licenses/
+                        http://www.apache.org/licenses/
 
    TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
 
@@ -176,13 +176,24 @@
 
    END OF TERMS AND CONDITIONS
 
-   Copyright 2013-2017 Docker, Inc.
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
 
-       https://www.apache.org/licenses/LICENSE-2.0
+       http://www.apache.org/licenses/LICENSE-2.0
 
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,

docgen.go

@@ -1,3 +1,17 @@
+// Copyright 2017 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Doc generator specially crafted for Docker CLI plugins.
 //
 // Get started (buildx CLI):

docgen_md.go

@@ -1,3 +1,17 @@
+// Copyright 2021 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package docgen
 
 import (

docgen_md_test.go

@@ -1,3 +1,17 @@
+// Copyright 2021 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package docgen
 
 import (

docgen_yaml.go

@@ -1,3 +1,17 @@
+// Copyright 2017 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package docgen
 
 import (

docgen_yaml_test.go

@@ -1,3 +1,17 @@
+// Copyright 2017 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package docgen
 
 import (

docker-bake.hcl

@@ -1,3 +1,17 @@
+// Copyright 2021 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 variable "GO_VERSION" {
   default = "1.16"
 }
@@ -7,7 +21,7 @@ group "default" {
 }
 
 group "validate" {
-  targets = ["lint", "vendor-validate"]
+  targets = ["lint", "vendor-validate", "license-validate"]
 }
 
 target "lint" {
@@ -58,3 +72,21 @@ target "godev" {
   target = "godev"
   output = ["type=cacheonly"]
 }
+
+target "license-validate" {
+  args = {
+    GO_VERSION = GO_VERSION
+  }
+  dockerfile = "./hack/license.Dockerfile"
+  target = "validate"
+  output = ["type=cacheonly"]
+}
+
+target "license-update" {
+  args = {
+    GO_VERSION = GO_VERSION
+  }
+  dockerfile = "./hack/license.Dockerfile"
+  target = "update"
+  output = ["."]
+}

example/main.go

@@ -1,3 +1,17 @@
+// Copyright 2021 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main
 
 import (

hack/godev.Dockerfile

@@ -1,4 +1,19 @@
 # syntax=docker/dockerfile:1.3
+
+# Copyright 2021 docgen authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ARG GO_VERSION
 ARG GITHUB_REPOSITORY
 ARG GITHUB_REF

hack/license.Dockerfile

@@ -0,0 +1,44 @@
+# syntax=docker/dockerfile:1.3
+
+# Copyright 2021 docgen authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+ARG GO_VERSION
+ARG ADDLICENSE_VERSION="d43bb61fdfdafb29f4b1add4b849c5bfe4eeb497"
+ARG LICENSE_ARGS="-c docgen -l apache"
+ARG LICENSE_FILES=".*\(Dockerfile\|\.go\|\.hcl\|\.sh\)"
+
+FROM golang:${GO_VERSION}-alpine AS base
+WORKDIR /src
+RUN apk add --no-cache cpio findutils git
+ENV CGO_ENABLED=0
+ARG ADDLICENSE_VERSION
+RUN go install github.com/google/addlicense@${ADDLICENSE_VERSION}
+
+FROM base AS set
+ARG LICENSE_ARGS
+ARG LICENSE_FILES
+RUN --mount=type=bind,target=.,rw \
+  find . -regex "${LICENSE_FILES}" | xargs addlicense ${LICENSE_ARGS} \
+  && mkdir /out \
+  && find . -regex "${LICENSE_FILES}" | cpio -pdm /out
+
+FROM scratch AS update
+COPY --from=set /out /
+
+FROM base AS validate
+ARG LICENSE_ARGS
+ARG LICENSE_FILES
+RUN --mount=type=bind,target=. \
+  find . -regex "${LICENSE_FILES}" | xargs addlicense -check ${LICENSE_ARGS}

hack/lint.Dockerfile

@@ -1,4 +1,19 @@
 # syntax=docker/dockerfile:1.3
+
+# Copyright 2021 docgen authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ARG GO_VERSION
 
 FROM golang:${GO_VERSION}-alpine AS base

hack/test.Dockerfile

@@ -1,4 +1,19 @@
 # syntax=docker/dockerfile:1.3
+
+# Copyright 2021 docgen authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ARG GO_VERSION
 
 FROM golang:${GO_VERSION}-alpine AS base

hack/vendor.Dockerfile

@@ -1,4 +1,19 @@
 # syntax=docker/dockerfile:1.3
+
+# Copyright 2021 docgen authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 ARG GO_VERSION
 
 FROM golang:${GO_VERSION}-alpine AS base

markdown.go

@@ -1,3 +1,17 @@
+// Copyright 2017 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package docgen
 
 import (

markdown_test.go

@@ -1,3 +1,17 @@
+// Copyright 2017 docgen authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package docgen
 
 import "testing"