mirror of
https://github.com/fluxcd/flux2.git
synced 2026-02-10 01:37:29 +00:00
62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
/*
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Copyright 2023 The Flux authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"bytes"
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"io"
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"os"
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"github.com/mattn/go-shellwords"
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)
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// resetCmdArgs resets the root command's args and input to their defaults
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func resetCmdArgs() {
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rootCmd.SetArgs(nil)
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rootCmd.SetIn(os.Stdin)
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rootCmd.SetOut(os.Stdout)
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rootCmd.SetErr(os.Stderr)
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}
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// executeCommand executes a command and returns its output
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func executeCommand(cmd string) (string, error) {
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return executeCommandWithIn(cmd, nil)
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}
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// executeCommandWithIn executes a command with the provided input and returns its output
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func executeCommandWithIn(cmd string, in io.Reader) (string, error) {
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defer resetCmdArgs()
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args, err := shellwords.Parse(cmd)
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if err != nil {
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return "", err
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}
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buf := new(bytes.Buffer)
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rootCmd.SetOut(buf)
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rootCmd.SetErr(buf)
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rootCmd.SetArgs(args)
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if in != nil {
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rootCmd.SetIn(in)
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}
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_, err = rootCmd.ExecuteC()
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result := buf.String()
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return result, err
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}
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