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cmd: Allow caddy adapt to read from stdin (#7163)

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This commit is contained in:
Bobby Dhillon
2025-08-06 17:04:28 -07:00
committed by GitHub
parent 007f4066f6
commit 19ff47a63b
2 changed files with 17 additions and 5 deletions
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18
cmd/commandfuncs.go
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@ -441,16 +441,20 @@ func cmdEnviron(fl Flags) (int, error) {
}
func cmdAdaptConfig(fl Flags) (int, error) {
inputFlag := fl.String("config")
configFlag := fl.String("config")
adapterFlag := fl.String("adapter")
prettyFlag := fl.Bool("pretty")
validateFlag := fl.Bool("validate")
var err error
inputFlag, err = configFileWithRespectToDefault(caddy.Log(), inputFlag)
configFlag, err = configFileWithRespectToDefault(caddy.Log(), configFlag)
if err != nil {
return caddy.ExitCodeFailedStartup, err
}
if configFlag == "" {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("input file required when there is no Caddyfile in current directory (use --config flag)")
}
// load all additional envs as soon as possible
err = handleEnvFileFlag(fl)
@ -469,13 +473,19 @@ func cmdAdaptConfig(fl Flags) (int, error) {
fmt.Errorf("unrecognized config adapter: %s", adapterFlag)
}
input, err := os.ReadFile(inputFlag)
var input []byte
// read from stdin if the file name is "-"
if configFlag == "-" {
input, err = io.ReadAll(os.Stdin)
} else {
input, err = os.ReadFile(configFlag)
}
if err != nil {
return caddy.ExitCodeFailedStartup,
fmt.Errorf("reading input file: %v", err)
}
opts := map[string]any{"filename": inputFlag}
opts := map[string]any{"filename": configFlag}
adaptedConfig, warnings, err := cfgAdapter.Adapt(input, opts)
if err != nil {