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Refactor git.Command.Run*, introduce RunWithContextString and RunWithContextBytes (#19266)

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This follows 
* https://github.com/go-gitea/gitea/issues/18553

Introduce `RunWithContextString` and `RunWithContextBytes` to help the refactoring. Add related unit tests. They keep the same behavior to save stderr into err.Error() as `RunInXxx` before.

Remove `RunInDirTimeoutPipeline` `RunInDirTimeoutFullPipeline` `RunInDirTimeout` `RunInDirTimeoutEnv`  `RunInDirPipeline`  `RunInDirFullPipeline`  `RunTimeout`, `RunInDirTimeoutEnvPipeline`, `RunInDirTimeoutEnvFullPipeline`, `RunInDirTimeoutEnvFullPipelineFunc`.

Then remaining `RunInDir` `RunInDirBytes` `RunInDirWithEnv` can be easily refactored in next PR with a simple search & replace:
* before: `stdout, err := RunInDir(path)`
* next: `stdout, _, err := RunWithContextString(&git.RunContext{Dir:path})`

Other changes:
1. When `timeout <= 0`, use default. Because `timeout==0` is meaningless and could cause bugs. And now many functions becomes more simple, eg: `GitGcRepos` 9 lines to 1 line. `Fsck` 6 lines to 1 line.
2. Only set defaultCommandExecutionTimeout when the option `setting.Git.Timeout.Default > 0`
This commit is contained in:
wxiaoguang 2022-03-31 19:56:22 +08:00 • committed by GitHub
parent d4f84f1c93
commit b877504b03
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 129 additions and 129 deletions
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43
modules/git/command_test.go
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@ -1,40 +1,29 @@
// Copyright 2017 The Gitea Authors. All rights reserved.
// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
//go:build race
// +build race
package git
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestRunInDirTimeoutPipelineNoTimeout(t *testing.T) {
maxLoops := 1000
// 'git --version' does not block so it must be finished before the timeout triggered.
func TestRunWithContextStd(t *testing.T) {
cmd := NewCommand(context.Background(), "--version")
for i := 0; i < maxLoops; i++ {
if err := cmd.RunInDirTimeoutPipeline(-1, "", nil, nil); err != nil {
t.Fatal(err)
}
}
}
func TestRunInDirTimeoutPipelineAlwaysTimeout(t *testing.T) {
maxLoops := 1000
// 'git hash-object --stdin' blocks on stdin so we can have the timeout triggered.
cmd := NewCommand(context.Background(), "hash-object", "--stdin")
for i := 0; i < maxLoops; i++ {
if err := cmd.RunInDirTimeoutPipeline(1*time.Microsecond, "", nil, nil); err != nil {
if err != context.DeadlineExceeded {
t.Fatalf("Testing %d/%d: %v", i, maxLoops, err)
}
}
stdout, stderr, err := cmd.RunWithContextString(&RunContext{})
assert.NoError(t, err)
assert.Empty(t, stderr)
assert.Contains(t, stdout, "git version")
cmd = NewCommand(context.Background(), "--no-such-arg")
stdout, stderr, err = cmd.RunWithContextString(&RunContext{})
if assert.Error(t, err) {
assert.Equal(t, stderr, err.Stderr())
assert.Contains(t, err.Stderr(), "unknown option:")
assert.Contains(t, err.Error(), "exit status 129 - unknown option:")
assert.Empty(t, stdout)
}
}