mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
d46c0d2e36
* Refactor common repo code for crosslink * Add dbotconf utility * Add dependabot-generate target to Makefile * Generate dependabot.yml * Update Makefile targets related to dependabot-generate
125 lines
3.2 KiB
Go
125 lines
3.2 KiB
Go
// Copyright The OpenTelemetry 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 tools provides helper functions used in scripts within the
|
|
// internal/tools module, as well as imports needed for a build with the
|
|
// "tools" build tag.
|
|
package tools // import "go.opentelemetry.io/otel/internal/tools"
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"os"
|
|
"path/filepath"
|
|
"sort"
|
|
"strings"
|
|
"text/tabwriter"
|
|
|
|
"golang.org/x/mod/modfile"
|
|
)
|
|
|
|
// Repo represents a git repository.
|
|
type Repo string
|
|
|
|
// FindRepoRoot retrieves the root of the repository containing the current
|
|
// working directory. Beginning at the current working directory (dir), the
|
|
// algorithm checks if joining the ".git" suffix, such as "dir.get", is a
|
|
// valid file. Otherwise, it will continue checking the dir's parent directory
|
|
// until it reaches the repo root or returns an error if it cannot be found.
|
|
func FindRepoRoot() (Repo, error) {
|
|
start, err := os.Getwd()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
dir := start
|
|
for {
|
|
_, err := os.Stat(filepath.Join(dir, ".git"))
|
|
if errors.Is(err, os.ErrNotExist) {
|
|
dir = filepath.Dir(dir)
|
|
// From https://golang.org/pkg/path/filepath/#Dir:
|
|
// The returned path does not end in a separator unless it is the root directory.
|
|
if strings.HasSuffix(dir, string(filepath.Separator)) {
|
|
return "", fmt.Errorf("unable to find git repository enclosing working dir %s", start)
|
|
}
|
|
continue
|
|
}
|
|
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return Repo(dir), nil
|
|
}
|
|
}
|
|
|
|
// FindModules returns all Go modules contained in Repo r.
|
|
func (r Repo) FindModules() ([]*modfile.File, error) {
|
|
var results []*modfile.File
|
|
err := filepath.Walk(string(r), func(path string, info os.FileInfo, walkErr error) error {
|
|
if walkErr != nil {
|
|
// Walk failed to walk into this directory. Stop walking and
|
|
// signal this error.
|
|
return walkErr
|
|
}
|
|
|
|
if !info.IsDir() {
|
|
return nil
|
|
}
|
|
|
|
goMod := filepath.Join(path, "go.mod")
|
|
f, err := os.Open(goMod)
|
|
if errors.Is(err, os.ErrNotExist) {
|
|
return nil
|
|
}
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var b bytes.Buffer
|
|
io.Copy(&b, f)
|
|
if err = f.Close(); err != nil {
|
|
return err
|
|
}
|
|
|
|
mFile, err := modfile.Parse(goMod, b.Bytes(), nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
results = append(results, mFile)
|
|
return nil
|
|
})
|
|
|
|
sort.SliceStable(results, func(i, j int) bool {
|
|
return results[i].Syntax.Name < results[j].Syntax.Name
|
|
})
|
|
|
|
return results, err
|
|
}
|
|
|
|
func PrintModFiles(w io.Writer, mFiles []*modfile.File) error {
|
|
tw := tabwriter.NewWriter(w, 0, 0, 1, ' ', 0)
|
|
if _, err := fmt.Fprintln(tw, "FILE PATH\tIMPORT PATH"); err != nil {
|
|
return err
|
|
}
|
|
for _, m := range mFiles {
|
|
if _, err := fmt.Fprintf(tw, "%s\t%s\n", m.Syntax.Name, m.Module.Mod.Path); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return tw.Flush()
|
|
}
|