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[Feature] go.mod & go.work FilePath ReplaceDirective support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| /* Copyright 2019 The Bazel 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 ( | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
| ) | ||
|
|
||
| func copyTree(destRoot, srcRoot string) error { | ||
| return filepath.Walk(srcRoot, func(src string, info os.FileInfo, e error) (err error) { | ||
| if e != nil { | ||
| return e | ||
| } | ||
| rel, err := filepath.Rel(srcRoot, src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if rel == "." { | ||
| return nil | ||
| } | ||
| dest := filepath.Join(destRoot, rel) | ||
|
|
||
| if info.IsDir() { | ||
| return os.Mkdir(dest, 0o777) | ||
| } else { | ||
| r, err := os.Open(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer r.Close() | ||
| w, err := os.Create(dest) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| if cerr := w.Close(); err == nil && cerr != nil { | ||
| err = cerr | ||
| } | ||
| }() | ||
| _, err = io.Copy(w, r) | ||
| return err | ||
| } | ||
| }) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "errors" | ||
| "fmt" | ||
| "go/build" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "runtime" | ||
| "strings" | ||
| ) | ||
|
|
||
| type GoModDownloadResult struct { | ||
| Dir string | ||
| Sum string | ||
| Error string | ||
| } | ||
|
|
||
| func isModeCacherwSupported() bool { | ||
| // Check whether -modcacherw is supported. | ||
| // Assume that fetch_repo was built with the same version of Go we're running. | ||
| modcacherw := false | ||
| for _, tag := range build.Default.ReleaseTags { | ||
| if tag == "go1.14" { | ||
| modcacherw = true | ||
| break | ||
| } | ||
| } | ||
|
|
||
| return modcacherw | ||
| } | ||
| func findGoPath() string { | ||
| // Locate the go binary. If GOROOT is set, we'll use that one; otherwise, | ||
| // we'll use PATH. | ||
| goPath := "go" | ||
| if runtime.GOOS == "windows" { | ||
| goPath += ".exe" | ||
| } | ||
| if goroot, ok := os.LookupEnv("GOROOT"); ok { | ||
| goPath = filepath.Join(goroot, "bin", goPath) | ||
| } | ||
| return goPath | ||
| } | ||
|
|
||
| func runGoModDownload(dl *GoModDownloadResult, dest string, importpath string, version string) error { | ||
| buf := &bytes.Buffer{} | ||
| bufErr := &bytes.Buffer{} | ||
| cmd := exec.Command(findGoPath(), "mod", "download", "-json") | ||
| cmd.Dir = dest | ||
| if isModeCacherwSupported() { | ||
| cmd.Args = append(cmd.Args, "-modcacherw") | ||
| } | ||
|
|
||
| if version != "" && importpath != "" { | ||
| cmd.Args = append(cmd.Args, importpath+"@"+version) | ||
| } | ||
|
|
||
| cmd.Stdout = buf | ||
| cmd.Stderr = bufErr | ||
| fmt.Printf("Running: %s %s\n", cmd.Path, strings.Join(cmd.Args, " ")) | ||
| dlErr := cmd.Run() | ||
| if dlErr != nil { | ||
| if _, ok := dlErr.(*exec.ExitError); !ok { | ||
| if bufErr.Len() > 0 { | ||
| return fmt.Errorf("!%s %s: %s", cmd.Path, strings.Join(cmd.Args, " "), bufErr.Bytes()) | ||
| } else { | ||
| return fmt.Errorf("!!%s %s: %v", cmd.Path, strings.Join(cmd.Args, " "), dlErr) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // Parse the JSON output. | ||
| if err := json.Unmarshal(buf.Bytes(), &dl); err != nil { | ||
| if bufErr.Len() > 0 { | ||
| return fmt.Errorf("3%s %s: %s", cmd.Path, strings.Join(cmd.Args, " "), bufErr.Bytes()) | ||
| } else { | ||
| return fmt.Errorf("4%s %s: error parsing JSON: %v error: %v", cmd.Path, strings.Join(cmd.Args, " "), buf, err) | ||
| } | ||
| } | ||
| if dl.Error != "" { | ||
| return errors.New(dl.Error) | ||
| } | ||
| if dlErr != nil { | ||
| return dlErr | ||
| } | ||
|
|
||
| fmt.Printf("Downloaded: %s\n", dl.Dir) | ||
|
|
||
| return nil | ||
| } |
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