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sap-jenkins-library/pkg/maven/settings.go
Marcus Holl d1e5d9c2e7
Settings file handling (prepares mtaBuild step) (#1176)
download settings file via http or copy from the local file system into either $M2_HOME/conf/settings.xml or into ~/.m2/settings.xml

Co-authored-by: Stephan Aßmus <stephan.assmus@sap.com>
2020-02-25 14:17:00 +01:00

109 lines
2.2 KiB
Go

package maven
import (
"errors"
"fmt"
piperhttp "github.com/SAP/jenkins-library/pkg/http"
"github.com/SAP/jenkins-library/pkg/log"
"github.com/SAP/jenkins-library/pkg/piperutils"
"os"
"path/filepath"
"strings"
)
var getenv = os.Getenv
// SettingsFileType ...
type SettingsFileType int
const (
// GlobalSettingsFile ...
GlobalSettingsFile SettingsFileType = iota
// ProjectSettingsFile ...
ProjectSettingsFile
)
// GetSettingsFile ...
func GetSettingsFile(settingsFileType SettingsFileType, src string, fileUtils piperutils.FileUtils, httpClient piperhttp.Downloader) error {
var dest string
var err error
switch settingsFileType {
case GlobalSettingsFile:
dest, err = getGlobalSettingsFileDest()
case ProjectSettingsFile:
dest, err = getProjectSettingsFileDest()
default:
return errors.New("Invalid SettingsFileType")
}
if err != nil {
return err
}
if len(src) == 0 {
return fmt.Errorf("Settings file source location not provided")
}
log.Entry().Debugf("Copying file \"%s\" to \"%s\"", src, dest)
if strings.HasPrefix(src, "http:") || strings.HasPrefix(src, "https:") {
if err := httpClient.DownloadFile(src, dest, nil, nil); err != nil {
return err
}
} else {
// for sake os symetry it would be better to use a file protocol prefix here (file:)
parent := filepath.Dir(dest)
parentFolderExists, err := fileUtils.FileExists(parent)
if err != nil {
return err
}
if !parentFolderExists {
if err = fileUtils.MkdirAll(parent, 0775); err != nil {
return err
}
}
if _, err := fileUtils.Copy(src, dest); err != nil {
return err
}
}
return nil
}
func getGlobalSettingsFileDest() (string, error) {
m2Home, err := getEnvironmentVariable("M2_HOME")
if err != nil {
return "", err
}
return m2Home + "/conf/settings.xml", nil
}
func getProjectSettingsFileDest() (string, error) {
home, err := getEnvironmentVariable("HOME")
if err != nil {
return "", err
}
return home + "/.m2/settings.xml", nil
}
func getEnvironmentVariable(name string) (string, error) {
envVar := getenv(name)
if len(envVar) == 0 {
return "", fmt.Errorf("Environment variable \"%s\" not set or empty", name)
}
return envVar, nil
}