gittuf/pkg/gitinterface/common.go
Pat Zielinski f649b141d3
pkg: Move gitinterface to pkg
Signed-off-by: Pat Zielinski <git@patzielinski.com>
2026-01-16 14:03:36 -05:00

95 lines
2.2 KiB
Go

// Copyright The gittuf Authors
// SPDX-License-Identifier: Apache-2.0
package gitinterface
import (
"os"
"os/exec"
"path/filepath"
"testing"
"time"
artifacts "github.com/gittuf/gittuf/internal/testartifacts"
"github.com/jonboulle/clockwork"
)
const (
testName = "Jane Doe"
testEmail = "jane.doe@example.com"
)
var (
testClock = clockwork.NewFakeClockAt(time.Date(1995, time.October, 26, 9, 0, 0, 0, time.UTC))
)
// CreateTestGitRepository creates a Git repository in the specified directory.
// This is meant to be used by tests across gittuf packages. This helper also
// sets up an ED25519 signing key that can be used to create reproducible
// commits.
func CreateTestGitRepository(t *testing.T, dir string, bare bool) *Repository {
t.Helper()
repo := setupRepository(t, dir, bare)
// Set up author / committer identity
if err := repo.SetGitConfig("user.name", testName); err != nil {
t.Fatal(err)
}
if err := repo.SetGitConfig("user.email", testEmail); err != nil {
t.Fatal(err)
}
// Set up signing via SSH key
keysDir := t.TempDir()
setupSigningKeys(t, keysDir)
if err := repo.SetGitConfig("user.signingkey", filepath.Join(keysDir, "key.pub")); err != nil {
t.Fatal(err)
}
if err := repo.SetGitConfig("gpg.format", "ssh"); err != nil {
t.Fatal(err)
}
return repo
}
func setupRepository(t *testing.T, dir string, bare bool) *Repository {
t.Helper()
var gitDirPath string
args := []string{"init"}
if bare {
args = append(args, "--bare")
gitDirPath = dir
} else {
gitDirPath = filepath.Join(dir, ".git")
}
args = append(args, "-b", "main")
args = append(args, dir)
cmd := exec.Command(binary, args...)
if err := cmd.Run(); err != nil {
t.Fatal(err)
}
return &Repository{gitDirPath: gitDirPath, clock: testClock}
}
func setupSigningKeys(t *testing.T, dir string) {
t.Helper()
sshPrivateKey := artifacts.SSHRSAPrivate
sshPublicKey := artifacts.SSHRSAPublicSSH
privateKeyPath := filepath.Join(dir, "key")
publicKeyPath := filepath.Join(dir, "key.pub")
if err := os.WriteFile(privateKeyPath, sshPrivateKey, 0o600); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(publicKeyPath, sshPublicKey, 0o600); err != nil {
t.Fatal(err)
}
}