From 5348b744d0983d85713295ea08a20cca1654a45e Mon Sep 17 00:00:00 2001 From: Gareth Watts Date: Sun, 15 Jan 2023 19:45:28 -0600 Subject: [PATCH] add .LicensePath and licenseText func to templates (#179) * add .LicensePath and licenseText func to templates * Add `.LicensePath` to report templates reflecting the local file path of the license * Add a `licenseText` function to templates that takes a lib as an argument and renders the license text, if available Add a small template example to the readme * fixup! add .LicensePath and licenseText func to templates Add a LicenceText method --- README.md | 20 +++ report.go | 16 ++ testdata/modules/hello01/licenses.md | 206 +++++++++++++++++++++++++- testdata/modules/hello01/licenses.tpl | 6 +- 4 files changed, 246 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index a26d8dc..fbedd5c 100644 --- a/README.md +++ b/README.md @@ -151,9 +151,29 @@ data: Version string LicenseURL string LicenseName string + LicensePath string } ``` +Each struct also has a `LicenseText` method which will return the text of the license stored at `LicensePath` if present, +or an empty string if not. + +Example template rendering licenses as markdown: + +```` +{{ range . }} +## {{ .Name }} + +* Name: {{ .Name }} +* Version: {{ .Version }} +* License: [{{ .LicenseName }}]({{ .LicenseURL }}) + +``` +{{ .LicenseText }} +``` +{{ end }} +```` + ## Save licenses, copyright notices and source code (depending on license type) ```shell diff --git a/report.go b/report.go index 1f3cf9b..bafe756 100644 --- a/report.go +++ b/report.go @@ -17,6 +17,7 @@ package main import ( "context" "encoding/csv" + "io/ioutil" "os" "text/template" @@ -52,9 +53,23 @@ type libraryData struct { Name string LicenseURL string LicenseName string + LicensePath string Version string } +// LicenseText reads and returns the contents of LicensePath, if set +// or an empty string if not. +func (lib libraryData) LicenseText() (string, error) { + if lib.LicensePath == "" { + return "", nil + } + data, err := ioutil.ReadFile(lib.LicensePath) + if err != nil { + return "", err + } + return string(data), nil +} + func reportMain(_ *cobra.Command, args []string) error { classifier, err := licenses.NewClassifier(confidenceThreshold) if err != nil { @@ -79,6 +94,7 @@ func reportMain(_ *cobra.Command, args []string) error { LicenseName: UNKNOWN, } if lib.LicensePath != "" { + libData.LicensePath = lib.LicensePath name, _, err := classifier.Identify(lib.LicensePath) if err == nil { libData.LicenseName = name diff --git a/testdata/modules/hello01/licenses.md b/testdata/modules/hello01/licenses.md index d0917ae..4f8be85 100644 --- a/testdata/modules/hello01/licenses.md +++ b/testdata/modules/hello01/licenses.md @@ -1,2 +1,206 @@ - - github.com/google/go-licenses/testdata/modules/hello01 ([Apache-2.0](https://github.com/google/go-licenses/blob/HEAD/testdata/modules/hello01/LICENSE)) +## github.com/google/go-licenses/testdata/modules/hello01 ([Apache-2.0](https://github.com/google/go-licenses/blob/HEAD/testdata/modules/hello01/LICENSE)) + +``` + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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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 + + 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. +``` diff --git a/testdata/modules/hello01/licenses.tpl b/testdata/modules/hello01/licenses.tpl index 0b5c21a..c157bf4 100644 --- a/testdata/modules/hello01/licenses.tpl +++ b/testdata/modules/hello01/licenses.tpl @@ -1,3 +1,7 @@ {{ range . }} - - {{.Name}} ([{{.LicenseName}}]({{.LicenseURL}})) +## {{.Name}} ([{{.LicenseName}}]({{.LicenseURL}})) + +``` +{{- .LicenseText -}} +``` {{- end }}