| package repo_root |
| |
| import ( |
| "fmt" |
| "os" |
| "path/filepath" |
| "strings" |
| |
| "go.skia.org/infra/bazel/go/bazel" |
| ) |
| |
| // Get returns the path to the workspace's root directory. |
| // |
| // Under Bazel, it returns the path to the runfiles directory. Test targets must include any |
| // required files under their "data" attribute for said files to be included in the runfiles |
| // directory. |
| // |
| // Outside of Bazel, it returns the path to the repo checkout's root directory. Note that this will |
| // return an error if the CWD is not inside a checkout, so this cannot run on production servers. |
| func Get() (string, error) { |
| if bazel.InBazelTest() { |
| return bazel.RunfilesDir(), nil |
| } |
| |
| dir, err := os.Getwd() |
| if err != nil { |
| return "", err |
| } |
| prefixes := []string{"go.skia.org/infra", "buildbot"} |
| for _, prefix := range prefixes { |
| if strings.Contains(dir, prefix) { |
| return strings.Split(dir, prefix)[0] + prefix, nil |
| } |
| } |
| // If this function is used outside of tests, please remove the following. |
| if d := os.Getenv("WORKSPACE_DIR"); d != "" { |
| return d, nil |
| } |
| return "", fmt.Errorf("No repo root found; are we running inside a checkout?") |
| } |
| |
| // GetLocal returns the path to the root of the current Git repo. Only intended |
| // to be run on a developer machine, inside a Git checkout. |
| func GetLocal() (string, error) { |
| cwd, err := os.Getwd() |
| if err != nil { |
| return "", err |
| } |
| for { |
| gitDir := filepath.Join(cwd, ".git") |
| if _, err := os.Stat(gitDir); err == nil { |
| return cwd, nil |
| } |
| cwd, err = filepath.Abs(filepath.Join(cwd, "..")) |
| if err != nil { |
| return "", err |
| } |
| } |
| } |