mirror of
https://github.com/TECHNOFAB11/jsonnet-bundler.git
synced 2025-12-12 08:00:05 +01:00
130 lines
3.6 KiB
Go
130 lines
3.6 KiB
Go
// Copyright 2018 jsonnet-bundler authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"encoding/json"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"reflect"
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"github.com/pkg/errors"
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"gopkg.in/alecthomas/kingpin.v2"
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"github.com/jsonnet-bundler/jsonnet-bundler/pkg"
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"github.com/jsonnet-bundler/jsonnet-bundler/pkg/jsonnetfile"
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v1 "github.com/jsonnet-bundler/jsonnet-bundler/spec/v1"
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"github.com/jsonnet-bundler/jsonnet-bundler/spec/v1/deps"
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)
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func installCommand(dir, jsonnetHome string, uris []string, single bool, legacyName string) int {
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if dir == "" {
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dir = "."
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}
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jbfilebytes, err := ioutil.ReadFile(filepath.Join(dir, jsonnetfile.File))
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kingpin.FatalIfError(err, "failed to load jsonnetfile")
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jsonnetFile, err := jsonnetfile.Unmarshal(jbfilebytes)
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kingpin.FatalIfError(err, "")
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jblockfilebytes, err := ioutil.ReadFile(filepath.Join(dir, jsonnetfile.LockFile))
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if !os.IsNotExist(err) {
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kingpin.FatalIfError(err, "failed to load lockfile")
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}
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lockFile, err := jsonnetfile.Unmarshal(jblockfilebytes)
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kingpin.FatalIfError(err, "")
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kingpin.FatalIfError(
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os.MkdirAll(filepath.Join(dir, jsonnetHome, ".tmp"), os.ModePerm),
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"creating vendor folder")
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if len(uris) > 1 && legacyName != "" {
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log.Fatal("Cannot use --legacy-name with mutliple uris")
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}
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for _, u := range uris {
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d := deps.Parse(dir, u)
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if d == nil {
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kingpin.Fatalf("Unable to parse package URI `%s`", u)
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}
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if single {
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d.Single = true
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}
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if legacyName != "" {
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d.LegacyNameCompat = legacyName
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}
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if !depEqual(jsonnetFile.Dependencies[d.Name()], *d) {
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// the dep passed on the cli is different from the jsonnetFile
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jsonnetFile.Dependencies[d.Name()] = *d
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// we want to install the passed version (ignore the lock)
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delete(lockFile.Dependencies, d.Name())
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}
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}
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jsonnetPkgHomeDir := filepath.Join(dir, jsonnetHome)
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locked, err := pkg.Ensure(jsonnetFile, jsonnetPkgHomeDir, lockFile.Dependencies)
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kingpin.FatalIfError(err, "failed to install packages")
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pkg.CleanLegacyName(jsonnetFile.Dependencies)
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kingpin.FatalIfError(
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writeChangedJsonnetFile(jbfilebytes, &jsonnetFile, filepath.Join(dir, jsonnetfile.File)),
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"updating jsonnetfile.json")
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kingpin.FatalIfError(
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writeChangedJsonnetFile(jblockfilebytes, &v1.JsonnetFile{Dependencies: locked}, filepath.Join(dir, jsonnetfile.LockFile)),
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"updating jsonnetfile.lock.json")
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return 0
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}
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func depEqual(d1, d2 deps.Dependency) bool {
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name := d1.Name() == d2.Name()
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version := d1.Version == d2.Version
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source := reflect.DeepEqual(d1.Source, d2.Source)
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return name && version && source
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}
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func writeJSONFile(name string, d interface{}) error {
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b, err := json.MarshalIndent(d, "", " ")
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if err != nil {
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return errors.Wrap(err, "encoding json")
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}
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b = append(b, []byte("\n")...)
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return ioutil.WriteFile(name, b, 0644)
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}
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func writeChangedJsonnetFile(originalBytes []byte, modified *v1.JsonnetFile, path string) error {
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origJsonnetFile, err := jsonnetfile.Unmarshal(originalBytes)
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if err != nil {
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return err
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}
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if reflect.DeepEqual(origJsonnetFile, *modified) {
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return nil
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}
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return writeJSONFile(path, *modified)
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}
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