// Import tries to import configuration from Glide, Godep, GPM, GB and gom.
func (d *DefaultImporter) Import(path string) (bool, []*cfg.Dependency, error) {
// Try importing from Glide first.
p := filepath.Join(path, "glide.yaml")
if _, err := os.Stat(p); err == nil {
// We found glide configuration.
yml, err := ioutil.ReadFile(p)
if err != nil {
return false, []*cfg.Dependency{}, err
}
conf, err := cfg.ConfigFromYaml(yml)
if err != nil {
return false, []*cfg.Dependency{}, err
}
return true, conf.Imports, nil
}
// Try importing from Godep
if godep.Has(path) {
deps, err := godep.Parse(path)
if err != nil {
return false, []*cfg.Dependency{}, err
}
return true, deps, nil
}
// Try importing from GPM
if gpm.Has(path) {
deps, err := gpm.Parse(path)
if err != nil {
return false, []*cfg.Dependency{}, err
}
return true, deps, nil
}
// Try importin from GB
if gb.Has(path) {
deps, err := gb.Parse(path)
if err != nil {
return false, []*cfg.Dependency{}, err
}
return true, deps, nil
}
// Try importing from gom
if gom.Has(path) {
deps, err := gom.Parse(path)
if err != nil {
return false, []*cfg.Dependency{}, err
}
return true, deps, nil
}
// When none are found.
return false, []*cfg.Dependency{}, nil
}
// ParseYamlString parses a YAML string. This is similar but different to
// ParseYaml that parses an external file.
//
// Params:
// - yaml (string): YAML as a string.
//
// Returns:
// - *cfg.Config: The configuration.
func ParseYamlString(c cookoo.Context, p *cookoo.Params) (interface{}, cookoo.Interrupt) {
yamlString := p.Get("yaml", "").(string)
conf, err := cfg.ConfigFromYaml([]byte(yamlString))
if err != nil {
return nil, err
}
return conf, nil
}
// ParseYaml parses the glide.yaml format and returns a Configuration object.
//
// Params:
// - filename (string): YAML filename as a string
//
// Returns:
// - *cfg.Config: The configuration.
func ParseYaml(c cookoo.Context, p *cookoo.Params) (interface{}, cookoo.Interrupt) {
fname := p.Get("filename", "glide.yaml").(string)
//conf := new(Config)
yml, err := ioutil.ReadFile(fname)
if err != nil {
return nil, err
}
conf, err := cfg.ConfigFromYaml(yml)
if err != nil {
return nil, err
}
return conf, nil
}
// EnsureConfig loads and returns a config file.
//
// Any error will cause an immediate exit, with an error printed to Stderr.
func EnsureConfig() *cfg.Config {
yamlpath, err := gpath.Glide()
if err != nil {
msg.ExitCode(2)
msg.Die("Failed to find %s file in directory tree: %s", gpath.GlideFile, err)
}
yml, err := ioutil.ReadFile(yamlpath)
if err != nil {
msg.ExitCode(2)
msg.Die("Failed to load %s: %s", yamlpath, err)
}
conf, err := cfg.ConfigFromYaml(yml)
if err != nil {
msg.ExitCode(3)
msg.Die("Failed to parse %s: %s", yamlpath, err)
}
b := filepath.Dir(yamlpath)
buildContext, err := util.GetBuildContext()
if err != nil {
msg.Die("Failed to build an import context while ensuring config: %s", err)
}
cwd, err := os.Getwd()
if err != nil {
msg.Err("Unable to get the current working directory")
} else {
// Determining a package name requires a relative path
b, err = filepath.Rel(b, cwd)
if err == nil {
name := buildContext.PackageName(b)
if name != conf.Name {
msg.Warn("The name listed in the config file (%s) does not match the current location (%s)", conf.Name, name)
}
} else {
msg.Warn("Problem finding the config file path (%s) relative to the current directory (%s): %s", b, cwd, err)
}
}
err = mirrors.Load()
if err != nil {
msg.Err("Unable to load mirrors: %s", err)
}
return conf
}
// EnsureConfig loads and returns a config file.
//
// Any error will cause an immediate exit, with an error printed to Stderr.
func EnsureConfig() *cfg.Config {
yamlpath, err := gpath.Glide()
if err != nil {
msg.ExitCode(2)
msg.Die("Failed to find %s file in directory tree: %s", gpath.GlideFile, err)
}
yml, err := ioutil.ReadFile(yamlpath)
if err != nil {
msg.ExitCode(2)
msg.Die("Failed to load %s: %s", yamlpath, err)
}
conf, err := cfg.ConfigFromYaml(yml)
if err != nil {
msg.ExitCode(3)
msg.Die("Failed to parse %s: %s", yamlpath, err)
}
return conf
}
func mergeGlide(dir, name string, f *flattening) ([]string, bool) {
deps := f.deps
vend := f.top
gp := path.Join(dir, "glide.yaml")
if _, err := os.Stat(gp); err != nil {
return []string{}, false
}
yml, err := ioutil.ReadFile(gp)
if err != nil {
Warn("Found glide file %q, but can't read: %s", gp, err)
return []string{}, false
}
conf, err := cfg.ConfigFromYaml(yml)
if err != nil {
Warn("Found glide file %q, but can't use it: %s", gp, err)
return []string{}, false
}
Info("Found glide.yaml in %s", gp)
return mergeDeps(deps, conf.Imports, vend, f), true
}