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mehh

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This commit is contained in:
wheelchairy 2025-02-04 20:49:22 +03:00
parent d401a16b3d
commit aaab254cc9
3 changed files with 67 additions and 49 deletions
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95
pkg/installer/installer.go
View File

@ -26,10 +26,6 @@ var (
buildInstallDir = filepath.Join(paths.BaseDir(), "installed_packages")
)
func logMessage(msg string) {
fmt.Println(msg)
}
func computeChecksum(filePath string) (string, error) {
data, err := ioutil.ReadFile(filePath)
if err != nil {
@ -40,7 +36,6 @@ func computeChecksum(filePath string) (string, error) {
}
func downloadFile(url string) (string, error) {
logMessage("Downloading " + url + "...")
resp, err := http.Get(url)
if err != nil {
return "", err
@ -52,17 +47,17 @@ func downloadFile(url string) (string, error) {
}
_, err = io.Copy(tmpFile, resp.Body)
if err != nil {
tmpFile.Close()
return "", err
}
tmpFile.Close()
logMessage("File downloaded to temporary location")
return tmpFile.Name(), nil
}
func unpackPackage(filePath, packageName string) error {
destDir := filepath.Join(buildInstallDir, packageName)
logMessage("Unpacking package into " + destDir)
if err := os.MkdirAll(destDir, os.ModePerm); err != nil {
err := os.MkdirAll(destDir, os.ModePerm)
if err != nil {
return err
}
f, err := os.Open(filePath)
@ -87,7 +82,8 @@ func unpackPackage(filePath, packageName string) error {
target := filepath.Join(destDir, header.Name)
switch header.Typeflag {
case tar.TypeDir:
if err := os.MkdirAll(target, os.FileMode(header.Mode)); err != nil {
err := os.MkdirAll(target, os.FileMode(header.Mode))
if err != nil {
return err
}
case tar.TypeReg:
@ -95,36 +91,34 @@ func unpackPackage(filePath, packageName string) error {
if err != nil {
return err
}
if _, err := io.Copy(outFile, tr); err != nil {
_, err = io.Copy(outFile, tr)
if err != nil {
outFile.Close()
return err
}
outFile.Close()
}
}
logMessage("Unpacking completed")
return nil
}
func executeBuildCommands(commands []string, packageName string) error {
packagePath := filepath.Join(buildInstallDir, packageName)
for _, commandStr := range commands {
logMessage("Executing build command: " + commandStr)
cmd := exec.Command("sh", "-c", commandStr)
cmd.Dir = packagePath
output, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("command '%s' failed: %s", commandStr, string(output))
}
logMessage("Command output: " + string(output))
}
return nil
}
func saveInstalledPackage(name string, m *manifest.Manifest) error {
packagePath := filepath.Join(buildInstallDir, name)
logMessage("Saving manifest to " + packagePath)
if err := os.MkdirAll(packagePath, os.ModePerm); err != nil {
err := os.MkdirAll(packagePath, os.ModePerm)
if err != nil {
return err
}
jsonData, err := json.MarshalIndent(m, "", " ")
@ -135,31 +129,30 @@ func saveInstalledPackage(name string, m *manifest.Manifest) error {
}
func InstallPackage(name string) error {
logMessage("Fetching manifest for package " + name)
m, err := manifest.FetchManifest(name)
if err != nil {
return fmt.Errorf("failed to fetch manifest: %w", err)
}
if strings.ToLower(m.Mode) == "bin" {
logMessage("Installing in binary mode")
platformKey := runtime.GOOS + "_" + runtime.GOARCH
binaryURL, ok := m.Binaries[platformKey]
binaryInfo, ok := m.Binaries[platformKey]
if !ok {
return fmt.Errorf("no binary available for platform %s", platformKey)
}
packageFile, err := downloadFile(binaryURL)
packageFile, err := downloadFile(binaryInfo.URL)
if err != nil {
return fmt.Errorf("failed to download binary: %w", err)
}
defer os.Remove(packageFile)
checksum, err := computeChecksum(packageFile)
computedChecksum, err := computeChecksum(packageFile)
if err != nil {
return fmt.Errorf("failed to compute checksum: %w", err)
}
if checksum != m.Checksum {
return fmt.Errorf("checksum mismatch: expected %s, got %s", m.Checksum, checksum)
if computedChecksum != binaryInfo.Checksum {
return fmt.Errorf("checksum mismatch: expected %s, got %s", binaryInfo.Checksum, computedChecksum)
}
if err := os.MkdirAll(binInstallDir, os.ModePerm); err != nil {
err = os.MkdirAll(binInstallDir, os.ModePerm)
if err != nil {
return err
}
destPath := filepath.Join(binInstallDir, m.Name)
@ -167,37 +160,58 @@ func InstallPackage(name string) error {
if err != nil {
return err
}
if err := ioutil.WriteFile(destPath, data, 0755); err != nil {
err = ioutil.WriteFile(destPath, data, 0755)
if err != nil {
return err
}
logMessage("Binary package " + m.Name + " installed to " + destPath)
fmt.Printf("Binary package %s installed in %s\n", m.Name, destPath)
return nil
} else if strings.ToLower(m.Mode) == "build" {
logMessage("Installing in build mode")
packageFile, err := downloadFile(m.Source)
if err != nil {
return fmt.Errorf("failed to download package: %w", err)
}
defer os.Remove(packageFile)
checksum, err := computeChecksum(packageFile)
computedChecksum, err := computeChecksum(packageFile)
if err != nil {
return fmt.Errorf("failed to compute checksum: %w", err)
}
if checksum != m.Checksum {
return fmt.Errorf("checksum mismatch: expected %s, got %s", m.Checksum, checksum)
if computedChecksum != m.Checksum {
return fmt.Errorf("checksum mismatch: expected %s, got %s", m.Checksum, computedChecksum)
}
if err := unpackPackage(packageFile, name); err != nil {
err = unpackPackage(packageFile, name)
if err != nil {
return fmt.Errorf("failed to unpack package: %w", err)
}
if len(m.Build) > 0 {
if err := executeBuildCommands(m.Build, name); err != nil {
err = executeBuildCommands(m.Build, name)
if err != nil {
return fmt.Errorf("build command error: %w", err)
}
}
if err := saveInstalledPackage(name, m); err != nil {
err = saveInstalledPackage(name, m)
if err != nil {
return fmt.Errorf("failed to save manifest: %w", err)
}
logMessage("Build package " + m.Name + " installed successfully")
if name == "choochoo-build" {
destDir := filepath.Join(paths.BaseDir(), "bin")
err = os.MkdirAll(destDir, os.ModePerm)
if err != nil {
return err
}
srcBinary := filepath.Join(buildInstallDir, name, "choochoo")
targetBinary := filepath.Join(destDir, "choochoo")
data, err := ioutil.ReadFile(srcBinary)
if err != nil {
return fmt.Errorf("failed to read built binary: %w", err)
}
err = ioutil.WriteFile(targetBinary, data, 0755)
if err != nil {
return fmt.Errorf("failed to write binary to %s: %w", targetBinary, err)
}
fmt.Printf("Binary choochoo installed in %s\n", targetBinary)
}
fmt.Printf("Build package %s installed successfully\n", m.Name)
return nil
}
return errors.New("unknown package mode")
@ -205,26 +219,25 @@ func InstallPackage(name string) error {
func RemovePackage(name string) error {
packagePath := filepath.Join(buildInstallDir, name)
logMessage("Removing package " + name + " from " + packagePath)
if _, err := os.Stat(packagePath); os.IsNotExist(err) {
return errors.New("package not found")
}
if err := os.RemoveAll(packagePath); err != nil {
err := os.RemoveAll(packagePath)
if err != nil {
return fmt.Errorf("failed to remove package: %w", err)
}
logMessage("Package " + name + " removed successfully")
return nil
}
func UpdatePackage(name string) error {
logMessage("Updating package " + name)
if err := RemovePackage(name); err != nil {
err := RemovePackage(name)
if err != nil {
return fmt.Errorf("failed to remove package for update: %w", err)
}
if err := InstallPackage(name); err != nil {
return fmt.Errorf("failed to install package during update: %w", err)
err = InstallPackage(name)
if err != nil {
return fmt.Errorf("failed to install package: %w", err)
}
logMessage("Package " + name + " updated successfully")
return nil
}

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pkg/manifest/.DS_Store vendored Normal file
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21
pkg/manifest/manifest.go
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@ -9,15 +9,20 @@ import (
"train/pkg/config"
)
type BinaryInfo struct {
URL string `json:"url"`
Checksum string `json:"checksum"`
}
type Manifest struct {
Name string `json:"name"`
Version string `json:"version"`
Mode string `json:"mode"`
Source string `json:"source"`
Checksum string `json:"checksum"`
Dependencies []string `json:"dependencies"`
Build []string `json:"build"`
Binaries map[string]string `json:"binaries"`
Name string `json:"name"`
Version string `json:"version"`
Mode string `json:"mode"`
Source string `json:"source"`
Checksum string `json:"checksum"`
Dependencies []string `json:"dependencies"`
Build []string `json:"build"`
Binaries map[string]BinaryInfo `json:"binaries"`
}
func FetchManifest(name string) (*Manifest, error) {