mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-18 11:28:36 -07:00
128 lines
3.4 KiB
Go
128 lines
3.4 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"os/exec"
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"strings"
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"time"
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)
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var (
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// GlobalCommandArgs global command args for external package setting
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GlobalCommandArgs []string
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)
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// Command represents a command with its subcommands or arguments.
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type Command struct {
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name string
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args []string
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}
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func (c *Command) String() string {
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if len(c.args) == 0 {
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return c.name
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}
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return fmt.Sprintf("%s %s", c.name, strings.Join(c.args, " "))
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}
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// NewCommand creates and returns a new Git Command based on given command and arguments.
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func NewCommand(args ...string) *Command {
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return &Command{
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name: "git",
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args: append(GlobalCommandArgs, args...),
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}
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}
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// AddArguments adds new argument(s) to the command.
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func (c *Command) AddArguments(args ...string) *Command {
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c.args = append(c.args, args...)
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return c
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}
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// RunInDirTimeoutPipeline executes the command in given directory with given timeout,
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// it pipes stdout and stderr to given io.Writer.
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func (c *Command) RunInDirTimeoutPipeline(timeout time.Duration, dir string, stdout, stderr io.Writer) error {
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if timeout == -1 {
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timeout = 60 * time.Second
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}
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if len(dir) == 0 {
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log(c.String())
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} else {
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log("%s: %v", dir, c)
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}
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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cmd := exec.CommandContext(ctx, c.name, c.args...)
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cmd.Dir = dir
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cmd.Stdout = stdout
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cmd.Stderr = stderr
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if err := cmd.Start(); err != nil {
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return err
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}
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return cmd.Wait()
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}
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// RunInDirTimeout executes the command in given directory with given timeout,
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// and returns stdout in []byte and error (combined with stderr).
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func (c *Command) RunInDirTimeout(timeout time.Duration, dir string) ([]byte, error) {
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stdout := new(bytes.Buffer)
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stderr := new(bytes.Buffer)
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if err := c.RunInDirTimeoutPipeline(timeout, dir, stdout, stderr); err != nil {
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return nil, concatenateError(err, stderr.String())
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}
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if stdout.Len() > 0 {
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log("stdout:\n%s", stdout.Bytes()[:1024])
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}
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return stdout.Bytes(), nil
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}
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// RunInDirPipeline executes the command in given directory,
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// it pipes stdout and stderr to given io.Writer.
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func (c *Command) RunInDirPipeline(dir string, stdout, stderr io.Writer) error {
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return c.RunInDirTimeoutPipeline(-1, dir, stdout, stderr)
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}
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// RunInDirBytes executes the command in given directory
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// and returns stdout in []byte and error (combined with stderr).
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func (c *Command) RunInDirBytes(dir string) ([]byte, error) {
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return c.RunInDirTimeout(-1, dir)
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}
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// RunInDir executes the command in given directory
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// and returns stdout in string and error (combined with stderr).
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func (c *Command) RunInDir(dir string) (string, error) {
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stdout, err := c.RunInDirTimeout(-1, dir)
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if err != nil {
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return "", err
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}
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return string(stdout), nil
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}
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// RunTimeout executes the command in defualt working directory with given timeout,
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// and returns stdout in string and error (combined with stderr).
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func (c *Command) RunTimeout(timeout time.Duration) (string, error) {
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stdout, err := c.RunInDirTimeout(timeout, "")
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if err != nil {
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return "", err
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}
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return string(stdout), nil
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}
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// Run executes the command in defualt working directory
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// and returns stdout in string and error (combined with stderr).
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func (c *Command) Run() (string, error) {
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return c.RunTimeout(-1)
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}
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