.github
.vscode
cmd
pkg
artifactcache
artifacts
common
container
exprparser
lookpath
LICENSE
env.go
error.go
lp_js.go
lp_plan9.go
lp_unix.go
lp_windows.go
model
runner
workflowpattern
.actrc
.editorconfig
.gitignore
.gitleaksignore
.golangci.yml
.goreleaser.yml
.markdownlint.yml
.mega-linter.yml
.mergify.yml
.prettierignore
.prettierrc.yml
CODEOWNERS
CONTRIBUTING.md
IMAGES.md
LICENSE
Makefile
README.md
VERIFICATION
VERSION
act-cli.nuspec
codecov.yml
go.mod
go.sum
install.sh
main.go
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
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package lookpath
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import (
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"errors"
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"io/fs"
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"os"
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"path/filepath"
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"strings"
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)
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// ErrNotFound is the error resulting if a path search failed to find an executable file.
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var ErrNotFound = errors.New("executable file not found in $PATH")
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func findExecutable(file string) error {
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d, err := os.Stat(file)
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if err != nil {
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return err
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}
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if m := d.Mode(); !m.IsDir() && m&0111 != 0 {
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return nil
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}
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return fs.ErrPermission
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}
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// LookPath searches for an executable named file in the
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// directories named by the PATH environment variable.
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// If file contains a slash, it is tried directly and the PATH is not consulted.
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// The result may be an absolute path or a path relative to the current directory.
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func LookPath2(file string, lenv Env) (string, error) {
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// NOTE(rsc): I wish we could use the Plan 9 behavior here
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// (only bypass the path if file begins with / or ./ or ../)
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// but that would not match all the Unix shells.
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if strings.Contains(file, "/") {
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err := findExecutable(file)
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if err == nil {
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return file, nil
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}
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return "", &Error{file, err}
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}
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path := lenv.Getenv("PATH")
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for _, dir := range filepath.SplitList(path) {
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if dir == "" {
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// Unix shell semantics: path element "" means "."
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dir = "."
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}
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path := filepath.Join(dir, file)
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if err := findExecutable(path); err == nil {
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return path, nil
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}
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}
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return "", &Error{file, ErrNotFound}
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}
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