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feat(.github): support dynamic submodule detection (#4537)
Today the sub-modules are are coded into a couple of places to work with release-please. This change is the first of three to make release-please automatically support newly added modules.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| // Copyright 2021 Google LLC | ||
| // | ||
| // 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 ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io/fs" | ||
| "log" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "strings" | ||
| ) | ||
|
|
||
| func main() { | ||
| rootDir, err := os.Getwd() | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| if len(os.Args) > 1 { | ||
| rootDir = os.Args[1] | ||
| } | ||
| log.Printf("Root dir: %q", rootDir) | ||
| var modDirs []string | ||
| // Find all external modules | ||
| filepath.WalkDir(rootDir, func(path string, d fs.DirEntry, err error) error { | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if d.Name() == "internal" { | ||
| return filepath.SkipDir | ||
| } | ||
| if d.Name() == "go.mod" { | ||
| modDirs = append(modDirs, filepath.Dir(path)) | ||
| } | ||
| return nil | ||
| }) | ||
|
|
||
| // Find relative sub-module | ||
| submodules := map[string]bool{} | ||
| for _, dir := range modDirs { | ||
| name, err := modName(dir) | ||
| if err != nil { | ||
| log.Fatalf("unable to lookup mod dir") | ||
| } | ||
| // Skip non-submodule | ||
| if name == "cloud.google.com/go" { | ||
| continue | ||
| } | ||
| name = strings.TrimPrefix(name, "cloud.google.com/go/") | ||
| submodules[name] = true | ||
| } | ||
|
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| c := exec.Command("git", "pull", "--tags") | ||
| c.Dir = rootDir | ||
| if err := c.Run(); err != nil { | ||
| log.Fatalf("unable to pull tags: %v", err) | ||
| } | ||
|
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| tag, err := latestTag(rootDir) | ||
| if err != nil { | ||
| log.Fatalf("unable to find tag: %v", err) | ||
| } | ||
| log.Printf("Latest release: %s", tag) | ||
|
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| c = exec.Command("git", "reset", "--hard", tag) | ||
| c.Dir = rootDir | ||
| if err := c.Run(); err != nil { | ||
| log.Fatalf("unable to reset to tag: %v", err) | ||
| } | ||
|
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| changes, err := gitFilesChanges(rootDir) | ||
| if err != nil { | ||
| log.Fatalf("unable to get files changed: %v", err) | ||
| } | ||
|
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| updatedSubmodulesSet := map[string]bool{} | ||
| for _, change := range changes { | ||
| //TODO(codyoss): This will not work with nested sub-modules. If we add | ||
| // those this needs to be updated. | ||
| pkg := strings.Split(change, "/")[0] | ||
| log.Printf("update to path: %s", pkg) | ||
| if submodules[pkg] { | ||
| updatedSubmodulesSet[pkg] = true | ||
| } | ||
| } | ||
|
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| updatedSubmodule := []string{} | ||
| for mod := range updatedSubmodulesSet { | ||
| updatedSubmodule = append(updatedSubmodule, mod) | ||
| } | ||
| b, err := json.Marshal(updatedSubmodule) | ||
| if err != nil { | ||
| log.Fatalf("unable to marshal submodules: %v", err) | ||
| } | ||
| fmt.Printf("::set-output name=submodules::%s", b) | ||
| } | ||
|
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||
| func modName(dir string) (string, error) { | ||
| c := exec.Command("go", "list", "-m") | ||
| c.Dir = dir | ||
| b, err := c.Output() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| b = bytes.TrimSpace(b) | ||
| return string(b), nil | ||
| } | ||
|
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| func latestTag(dir string) (string, error) { | ||
| c := exec.Command("git", "rev-list", "--tags", "--max-count=1") | ||
| c.Dir = dir | ||
| b, err := c.Output() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| commit := string(bytes.TrimSpace(b)) | ||
| c = exec.Command("git", "describe", "--tags", commit) | ||
| c.Dir = dir | ||
| b, err = c.Output() | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| b = bytes.TrimSpace(b) | ||
| return string(b), nil | ||
| } | ||
|
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| func gitFilesChanges(dir string) ([]string, error) { | ||
| c := exec.Command("git", "diff", "--name-only", "origin/master") | ||
| c.Dir = dir | ||
| b, err := c.Output() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| b = bytes.TrimSpace(b) | ||
| log.Printf("Files changed:\n%s", b) | ||
| return strings.Split(string(b), "\n"), nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| module cloud.google.com/go/internal/actions | ||
|
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| go 1.16 |