commit cb59934d1db4e8f5c2596cfb5f146e680c0ecbb0 Author: Frederic Branczyk Date: Tue Apr 24 15:19:40 2018 +0100 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..88ddcdf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +_output/ diff --git a/.header b/.header new file mode 100644 index 0000000..84a2733 --- /dev/null +++ b/.header @@ -0,0 +1,13 @@ +// Copyright 2018 jsonnet-bundler 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. diff --git a/CHANGELOG.md b/CHANGELOG.md new file mode 100644 index 0000000..e69de29 diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..224cb74 --- /dev/null +++ b/Dockerfile @@ -0,0 +1,5 @@ +FROM busybox:1.28 + +COPY _output/linux/amd64/jb / + +ENTRYPOINT ["/jb"] diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..d2a695e --- /dev/null +++ b/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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The contents + of the NOTICE file are for informational purposes only and + do not modify the License. You may add Your own attribution + notices within Derivative Works that You distribute, alongside + or as an addendum to the NOTICE text from the Work, provided + that such additional attribution notices cannot be construed + as modifying the License. + + You may add Your own copyright statement to Your modifications and + may provide additional or different license terms and conditions + for use, reproduction, or distribution of Your modifications, or + for any such Derivative Works as a whole, provided Your use, + reproduction, and distribution of the Work otherwise complies with + the conditions stated in this License. + + 5. Submission of Contributions. Unless You explicitly state otherwise, + any Contribution intentionally submitted for inclusion in the Work + by You to the Licensor shall be under the terms and conditions of + this License, without any additional terms or conditions. + Notwithstanding the above, nothing herein shall supersede or modify + the terms of any separate license agreement you may have executed + with Licensor regarding such Contributions. + + 6. Trademarks. This License does not grant permission to use the trade + names, trademarks, service marks, or product names of the Licensor, + except as required for reasonable and customary use in describing the + origin of the Work and reproducing the content of the NOTICE file. + + 7. Disclaimer of Warranty. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + 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 2018 jsonnet-bundler 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. diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..a30a009 --- /dev/null +++ b/Makefile @@ -0,0 +1,41 @@ +all: check-license build generate test + +GITHUB_URL=github.com/jsonnet-bundler/jsonnet-bundler +GOOS?=$(shell uname -s | tr A-Z a-z) +GOARCH?=$(subst x86_64,amd64,$(patsubst i%86,386,$(shell uname -m))) +OUT_DIR=_output +BIN?=jb +VERSION?=$(shell cat VERSION) +PKGS=$(shell go list ./... | grep -v /vendor/) + +check-license: + @echo ">> checking license headers" + @./scripts/check_license.sh + +crossbuild: + @GOOS=linux ARCH=amd64 $(MAKE) -s build + +build: + @$(eval OUTPUT=$(OUT_DIR)/$(GOOS)/$(GOARCH)/$(BIN)) + @echo ">> building for $(GOOS)/$(GOARCH) to $(OUTPUT)" + @mkdir -p $(OUT_DIR)/$(GOOS)/$(GOARCH) + @CGO_ENABLED=0 go build --installsuffix cgo -o $(OUTPUT) $(GITHUB_URL)/cmd/$(BIN) + +install: build + @$(eval OUTPUT=$(OUT_DIR)/$(GOOS)/$(GOARCH)/$(BIN)) + @echo ">> copying $(BIN) into $(GOPATH)/$(BIN)" + @cp $(OUTPUT) $(GOPATH)/bin/$(BIN) + +test: + @echo ">> running all tests" + @go test -i $(PKGS) + +generate: embedmd + @echo ">> generating docs" + @./scripts/generate-help-txt.sh + @$(GOPATH)/bin/embedmd -w `find ./ -path ./vendor -prune -o -name "*.md" -print` + +embedmd: + @go get github.com/campoy/embedmd + +.PHONY: all check-license crossbuild build install test generate embedmd diff --git a/README.md b/README.md new file mode 100644 index 0000000..f431d6d --- /dev/null +++ b/README.md @@ -0,0 +1,23 @@ +# jsonnet-bundler + +> NOTE: This project is *alpha* stage. Flags, configuration, behavior and design may change significantly in following releases. + +The jsonnet-bundler is a package manager for [jsonnet](http://jsonnet.org/). + +## Install + +``` +go get github.com/jsonnet-bundler/jsonnet-bundler/cmd/jb +``` + +## Usage + +All command line flags: + +[embedmd]:# (_output/help.txt) +```txt +$ jb -h +Usage of jb: + -jsonnetpkg-home string + The directory used to cache packages in. (default "vendor") +``` diff --git a/VERSION b/VERSION new file mode 100644 index 0000000..fb1f439 --- /dev/null +++ b/VERSION @@ -0,0 +1 @@ +v0.1.0-pre diff --git a/cmd/jb/main.go b/cmd/jb/main.go new file mode 100644 index 0000000..2c4b25d --- /dev/null +++ b/cmd/jb/main.go @@ -0,0 +1,280 @@ +/* +Copyright 2018 jsonnet-bundler authors All rights reserved. + +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 ( + "context" + "encoding/json" + "flag" + "fmt" + "io/ioutil" + "os" + "path" + "path/filepath" + "regexp" + "strings" + + "github.com/jsonnet-bundler/jsonnet-bundler/pkg" + "github.com/jsonnet-bundler/jsonnet-bundler/spec" + "github.com/pkg/errors" +) + +const ( + installSubcommand = "install" + initSubcommand = "init" + basePath = ".jsonnetpkg" + srcDirName = "src" + jsonnetFile = "jsonnetfile.json" + jsonnetLockFile = "jsonnetfile.lock.json" +) + +var ( + availableSubcommands = []string{ + initSubcommand, + installSubcommand, + } + githubSlugRegex = regexp.MustCompile("github.com/(.*)/(.*)") + githubSlugWithVersionRegex = regexp.MustCompile("github.com/(.*)/(.*)@(.*)") + githubSlugWithPathRegex = regexp.MustCompile("github.com/(.*)/(.*)/(.*)") + githubSlugWithPathAndVersionRegex = regexp.MustCompile("github.com/(.*)/(.*)/(.*)@(.*)") +) + +type config struct { + JsonnetHome string +} + +func Main() int { + cfg := config{} + + flagset := flag.NewFlagSet(os.Args[0], flag.ExitOnError) + flagset.StringVar(&cfg.JsonnetHome, "jsonnetpkg-home", "vendor", "The directory used to cache packages in.") + flagset.Parse(os.Args[1:]) + + subcommand := "install" + args := flagset.Args() + if len(args) >= 1 { + subcommand = args[0] + } + + err := RunSubcommand(context.TODO(), cfg, subcommand, args[1:]) + if err != nil { + fmt.Fprint(os.Stderr, err) + return 1 + } + + return 0 +} + +func RunSubcommand(ctx context.Context, cfg config, subcommand string, args []string) error { + switch subcommand { + case initSubcommand: + return ioutil.WriteFile(jsonnetFile, []byte("{}"), 0644) + case installSubcommand: + m, err := loadJsonnetfile(jsonnetFile) + if err != nil { + return errors.Wrap(err, "failed to load jsonnetfile") + } + + if len(args) == 1 { + // install package specified in command + // $ jsonnetpkg install ksonnet git@github.com:ksonnet/ksonnet-lib + // $ jsonnetpkg install grafonnet git@github.com:grafana/grafonnet-lib grafonnet + // $ jsonnetpkg install github.com/grafana/grafonnet-lib/grafonnet + // + // github.com/(slug)/(dir) + + if githubSlugRegex.MatchString(args[0]) { + name := "" + user := "" + repo := "" + subdir := "" + version := "master" + if githubSlugWithPathRegex.MatchString(args[0]) { + if githubSlugWithPathAndVersionRegex.MatchString(args[0]) { + matches := githubSlugWithPathAndVersionRegex.FindStringSubmatch(args[0]) + user = matches[1] + repo = matches[2] + subdir = matches[3] + version = matches[4] + name = path.Base(subdir) + } else { + matches := githubSlugWithPathRegex.FindStringSubmatch(args[0]) + user = matches[1] + repo = matches[2] + subdir = matches[3] + name = path.Base(subdir) + } + } else { + if githubSlugWithVersionRegex.MatchString(args[0]) { + matches := githubSlugWithVersionRegex.FindStringSubmatch(args[0]) + user = matches[1] + repo = matches[2] + name = repo + version = matches[3] + } else { + matches := githubSlugRegex.FindStringSubmatch(args[0]) + user = matches[1] + repo = matches[2] + name = repo + } + } + m.Dependencies = append(m.Dependencies, spec.Dependency{ + Name: name, + Source: spec.Source{ + GitSource: &spec.GitSource{ + Remote: fmt.Sprintf("git@github.com:%s/%s", user, repo), + Subdir: subdir, + }, + }, + Version: version, + }) + } else { + m.Dependencies = append(m.Dependencies, spec.Dependency{ + Name: args[0], + Source: spec.Source{ + GitSource: &spec.GitSource{ + Remote: args[1], + Subdir: args[2], + }, + }, + }) + } + } + + { + b, err := json.MarshalIndent(m, "", " ") + if err != nil { + return errors.Wrap(err, "failed to encode jsonnet file") + } + fmt.Println(string(b)) + } + + srcPath := filepath.Join(cfg.JsonnetHome) + err = os.MkdirAll(srcPath, os.ModePerm) + if err != nil { + return errors.Wrap(err, "failed to create jsonnet home path") + } + + lock := &spec.JsonnetFile{} + for _, dep := range m.Dependencies { + tmp := filepath.Join(cfg.JsonnetHome, ".tmp") + err = os.MkdirAll(tmp, os.ModePerm) + if err != nil { + return errors.Wrap(err, "failed to create general tmp dir") + } + tmpDir, err := ioutil.TempDir(tmp, fmt.Sprintf("jsonnetpkg-%s-%s", dep.Name, dep.Version)) + if err != nil { + return errors.Wrap(err, "failed to create tmp dir") + } + //defer os.RemoveAll(tmpDir) + + subdir := "" + var p pkg.Interface + if dep.Source.GitSource != nil { + p = pkg.NewGitPackage(dep.Source.GitSource) + subdir = dep.Source.GitSource.Subdir + } + lockVersion, err := p.Install(ctx, tmpDir, dep.Version) + if err != nil { + return errors.Wrap(err, "failed to install package") + } + + lockPackage := spec.Dependency{ + Name: dep.Name, + Source: dep.Source, + Version: lockVersion, + } + lock.Dependencies = append(lock.Dependencies, lockPackage) + + destPath := path.Join(cfg.JsonnetHome, dep.Name) + if err != nil { + return errors.Wrap(err, "failed to find destination path for package") + } + + fmt.Println("Moving", tmpDir, "to", destPath) + err = os.MkdirAll(path.Dir(destPath), os.ModePerm) + if err != nil { + return errors.Wrap(err, "failed to create parent path") + } + + // The path is encoded in the dir, so no need to do anything if it + // already exists. + if _, err := os.Stat(destPath); os.IsNotExist(err) { + err := os.Rename(path.Join(tmpDir, subdir), destPath) + if err != nil { + return errors.Wrap(err, "failed to move package") + } + } + } + + b, err := json.MarshalIndent(m, "", " ") + if err != nil { + return errors.Wrap(err, "failed to encode jsonnet file") + } + + err = ioutil.WriteFile(jsonnetFile, b, 0644) + if err != nil { + return errors.Wrap(err, "failed to write jsonnet file") + } + + b, err = json.MarshalIndent(lock, "", " ") + if err != nil { + return errors.Wrap(err, "failed to encode jsonnet file") + } + + err = ioutil.WriteFile(jsonnetLockFile, b, 0644) + if err != nil { + return errors.Wrap(err, "failed to write lock file") + } + default: + return fmt.Errorf("Subcommand \"%s\" not availble. Available subcommands: %s", subcommand, strings.Join(availableSubcommands, ", ")) + } + + return nil +} + +func libPathFromPackage(homeDir string, p spec.Dependency) string { + return path.Join(homeDir, p.Name) +} + +func flattenGitRemote(gitRemote string) string { + // In order for a git remote to be represented in a directory name, "/" + // must be replaced. Replacing ":" may be problematic when using git server + // with port. + return strings.Replace(strings.Replace(gitRemote, "/", "-", -1), ":", "-", -1) +} + +func loadJsonnetfile(filename string) (spec.JsonnetFile, error) { + m := spec.JsonnetFile{} + + f, err := os.Open(filename) + if err != nil { + return m, err + } + defer f.Close() + + err = json.NewDecoder(f).Decode(&m) + if err != nil { + return m, err + } + + return m, nil +} + +func main() { + os.Exit(Main()) +} diff --git a/pkg/git.go b/pkg/git.go new file mode 100644 index 0000000..3ea5bc6 --- /dev/null +++ b/pkg/git.go @@ -0,0 +1,68 @@ +// Copyright 2018 jsonnet-bundler 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 pkg + +import ( + "bytes" + "context" + "os" + "os/exec" + "strings" + + "github.com/jsonnet-bundler/jsonnet-bundler/spec" +) + +type GitPackage struct { + Source *spec.GitSource +} + +func NewGitPackage(source *spec.GitSource) Interface { + return &GitPackage{ + Source: source, + } +} + +func (p *GitPackage) Install(ctx context.Context, dir, version string) (string, error) { + cmd := exec.CommandContext(ctx, "git", "clone", p.Source.Remote, dir) + cmd.Stdin = os.Stdin + cmd.Stdout = os.Stdout + cmd.Stderr = os.Stderr + err := cmd.Run() + if err != nil { + return "", err + } + + cmd = exec.CommandContext(ctx, "git", "checkout", version) + cmd.Stdin = os.Stdin + cmd.Stdout = os.Stdout + cmd.Stderr = os.Stderr + cmd.Dir = dir + err = cmd.Run() + if err != nil { + return "", err + } + + b := bytes.NewBuffer(nil) + cmd = exec.CommandContext(ctx, "git", "rev-parse", "HEAD") + cmd.Stdout = b + cmd.Dir = dir + err = cmd.Run() + if err != nil { + return "", err + } + + commitHash := strings.TrimSpace(b.String()) + return commitHash, nil +} diff --git a/pkg/interface.go b/pkg/interface.go new file mode 100644 index 0000000..3f6a27f --- /dev/null +++ b/pkg/interface.go @@ -0,0 +1,21 @@ +// Copyright 2018 jsonnet-bundler 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 pkg + +import "context" + +type Interface interface { + Install(ctx context.Context, dir, version string) (lockVersion string, err error) +} diff --git a/scripts/check_license.sh b/scripts/check_license.sh new file mode 100755 index 0000000..07b14db --- /dev/null +++ b/scripts/check_license.sh @@ -0,0 +1,10 @@ +#!/bin/sh + +licRes=$( +for file in $(find . -type f -iname '*.go' ! -path '*/vendor/*'); do + head -n3 "${file}" | grep -Eq "(Copyright|generated|GENERATED)" || echo -e " ${file}" +done;) +if [ -n "${licRes}" ]; then + echo -e "license header checking failed:\n${licRes}" + exit 255 +fi diff --git a/scripts/generate-help-txt.sh b/scripts/generate-help-txt.sh new file mode 100755 index 0000000..ddb934d --- /dev/null +++ b/scripts/generate-help-txt.sh @@ -0,0 +1,8 @@ +#!/usr/bin/env bash + +BINARY_NAME=jb + +HELP_FILE=$PWD/_output/help.txt +echo "$ $BINARY_NAME -h" > $HELP_FILE +PATH=$PATH:$PWD/_output/linux/amd64 $BINARY_NAME -h 2>> $HELP_FILE +exit 0 diff --git a/spec/spec.go b/spec/spec.go new file mode 100644 index 0000000..5a7f63f --- /dev/null +++ b/spec/spec.go @@ -0,0 +1,39 @@ +// Copyright 2018 jsonnet-bundler 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 spec + +type JsonnetFile struct { + Dependencies []Dependency `json:"dependencies"` +} + +type Source struct { + GitSource *GitSource `json:"git"` + GitHubSource *GitHubSource `json:"github"` +} + +type GitSource struct { + Remote string `json:"remote"` + Subdir string `json:"subdir"` +} + +type GitHubSource struct { + Repo string `json:"repo"` +} + +type Dependency struct { + Name string `json:"name"` + Source Source `json:"source"` + Version string `json:"version"` +}