|  | // Copyright 2023 The Dawn & Tint Authors | 
|  | // | 
|  | // Redistribution and use in source and binary forms, with or without | 
|  | // modification, are permitted provided that the following conditions are met: | 
|  | // | 
|  | // 1. Redistributions of source code must retain the above copyright notice, this | 
|  | //    list of conditions and the following disclaimer. | 
|  | // | 
|  | // 2. Redistributions in binary form must reproduce the above copyright notice, | 
|  | //    this list of conditions and the following disclaimer in the documentation | 
|  | //    and/or other materials provided with the distribution. | 
|  | // | 
|  | // 3. Neither the name of the copyright holder nor the names of its | 
|  | //    contributors may be used to endorse or promote products derived from | 
|  | //    this software without specific prior written permission. | 
|  | // | 
|  | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | 
|  | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
|  | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 
|  | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | 
|  | // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
|  | // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | 
|  | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | 
|  | // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | 
|  | // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | package node | 
|  |  | 
|  | import ( | 
|  | "bytes" | 
|  | "encoding/json" | 
|  | "fmt" | 
|  | "os/exec" | 
|  | "strings" | 
|  | ) | 
|  |  | 
|  | func PrintCommand(cmd *exec.Cmd) { | 
|  | maybeQuote := func(s string) string { | 
|  | if strings.ContainsAny(s, ` ,()"`) { | 
|  | s = strings.ReplaceAll(s, `"`, `\"`) | 
|  | s = fmt.Sprintf("\"%v\"", s) | 
|  | } | 
|  | return s | 
|  | } | 
|  |  | 
|  | output := &strings.Builder{} | 
|  | fmt.Fprintln(output, "Running:") | 
|  | fmt.Fprintf(output, "  Cmd: %v ", maybeQuote(cmd.Path)) | 
|  | for i, arg := range cmd.Args[1:] { | 
|  | if i > 0 { | 
|  | fmt.Fprint(output, " ") | 
|  | } | 
|  | fmt.Fprint(output, maybeQuote(arg)) | 
|  | } | 
|  | fmt.Fprintln(output) | 
|  | fmt.Fprintf(output, "  Dir: %v\n\n", cmd.Dir) | 
|  |  | 
|  | fmt.Fprint(output, "  For VS Code launch.json:\n") | 
|  | launchCmd := struct { | 
|  | Program string   `json:"program"` | 
|  | Args    []string `json:"args"` | 
|  | Cwd     string   `json:"cwd"` | 
|  | }{ | 
|  | Program: cmd.Path, | 
|  | Args:    cmd.Args[1:], | 
|  | Cwd:     cmd.Dir, | 
|  | } | 
|  |  | 
|  | b := &bytes.Buffer{} | 
|  | e := json.NewEncoder(b) | 
|  | e.SetIndent("", "    ") | 
|  | e.Encode(launchCmd) | 
|  | s := b.String() | 
|  | // Remove object braces and add trailing comma | 
|  | s = strings.TrimPrefix(s, "{\n") | 
|  | s = strings.TrimSuffix(s, "\n}\n") + ",\n" | 
|  | fmt.Fprintln(output, s) | 
|  |  | 
|  | fmt.Print(output.String()) | 
|  | } |