func prepare(sourceDir, targetDir, buildDir string) (snapName string, err error) {
// ensure we have valid content
yaml, err := ioutil.ReadFile(filepath.Join(sourceDir, "meta", "snap.yaml"))
if err != nil {
return "", err
}
info, err := snap.InfoFromSnapYaml(yaml)
if err != nil {
return "", err
}
err = snap.Validate(info)
if err != nil {
return "", err
}
if err := copyToBuildDir(sourceDir, buildDir); err != nil {
return "", err
}
// build the package
snapName = fmt.Sprintf("%s_%s_%v.snap", info.Name(), info.Version, debArchitecture(info))
if targetDir != "" {
snapName = filepath.Join(targetDir, snapName)
if _, err := os.Stat(targetDir); os.IsNotExist(err) {
if err := os.MkdirAll(targetDir, 0755); err != nil {
return "", err
}
}
}
return snapName, nil
}
// MockInfo parses the given snap.yaml text and returns a validated snap.Info object including the optional SideInfo.
//
// The result is just kept in memory, there is nothing kept on disk. If that is
// desired please use MockSnap instead.
func MockInfo(c *check.C, yamlText string, sideInfo *snap.SideInfo) *snap.Info {
if sideInfo == nil {
sideInfo = &snap.SideInfo{}
}
snapInfo, err := snap.InfoFromSnapYaml([]byte(yamlText))
c.Assert(err, check.IsNil)
snapInfo.SideInfo = *sideInfo
err = snap.Validate(snapInfo)
c.Assert(err, check.IsNil)
return snapInfo
}