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package gittest
import (
"io"
"os"
"os/exec"
"testing"
"gitlab.com/gitlab-org/gitaly/internal/command"
"gitlab.com/gitlab-org/gitaly/internal/gitaly/config"
"gitlab.com/gitlab-org/gitaly/internal/testhelper"
)
// ExecConfig contains configuration for ExecOpts.
type ExecConfig struct {
// Stdin sets up stdin of the spawned command.
Stdin io.Reader
// Stdout sets up stdout of the spawned command. Note that `ExecOpts()` will not return any
// output anymore if this field is set.
Stdout io.Writer
// Env contains environment variables that should be appended to the spawned command's
// environment.
Env []string
}
// Exec runs a git command and returns the standard output, or fails.
func Exec(t testing.TB, cfg config.Cfg, args ...string) []byte {
t.Helper()
return ExecOpts(t, cfg, ExecConfig{}, args...)
}
// ExecOpts runs a git command with the given configuration.
func ExecOpts(t testing.TB, cfg config.Cfg, execCfg ExecConfig, args ...string) []byte {
t.Helper()
cmd := createCommand(t, cfg, execCfg, args...)
output, err := cmd.Output()
if err != nil {
t.Log(cfg.Git.BinPath, args)
if ee, ok := err.(*exec.ExitError); ok {
t.Logf("%s: %s\n", ee.Stderr, output)
}
t.Fatal(err)
}
return output
}
// NewCommand creates a new Git command ready for execution.
func NewCommand(t testing.TB, cfg config.Cfg, args ...string) *exec.Cmd {
t.Helper()
return createCommand(t, cfg, ExecConfig{}, args...)
}
func createCommand(t testing.TB, cfg config.Cfg, execCfg ExecConfig, args ...string) *exec.Cmd {
t.Helper()
ctx := testhelper.Context(t)
execEnv := NewCommandFactory(t, cfg).GetExecutionEnvironment(ctx)
cmd := exec.CommandContext(ctx, execEnv.BinaryPath, args...)
cmd.Env = command.AllowedEnvironment(os.Environ())
cmd.Env = append(command.GitEnv, cmd.Env...)
cmd.Env = append(cmd.Env,
"GIT_AUTHOR_DATE=1572776879 +0100",
"GIT_COMMITTER_DATE=1572776879 +0100",
"GIT_CONFIG_COUNT=4",
"GIT_CONFIG_KEY_0=init.defaultBranch",
"GIT_CONFIG_VALUE_0=master",
"GIT_CONFIG_KEY_1=init.templateDir",
"GIT_CONFIG_VALUE_1=",
"GIT_CONFIG_KEY_2=user.name",
"GIT_CONFIG_VALUE_2=Your Name",
"GIT_CONFIG_KEY_3=user.email",
"GIT_CONFIG_VALUE_3=you@example.com",
)
cmd.Env = append(cmd.Env, execEnv.EnvironmentVariables...)
cmd.Env = append(cmd.Env, execCfg.Env...)
cmd.Stdout = execCfg.Stdout
cmd.Stdin = execCfg.Stdin
return cmd
}
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