versions

package

v1.8.51 Latest Latest Go to latest Published: Feb 11, 2022 License: Apache-2.0, MIT Imports: 11 Imported by: 0

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type Manifest interface {
	AllDependencyVersions(string) []string
	DefaultVersion(string) (libbuildpack.Dependency, error)
}

type Versions struct {
	// contains filtered or unexported fields
}

func New(buildDir string, depDir string, manifest Manifest) *Versions

func (v *Versions) BundledWithVersion() (string, error)

func (v *Versions) Engine() (string, error)

func (v *Versions) GemMajorVersion(gem string) (int, error)

func (v *Versions) Gemfile() string

func (v *Versions) GetBundlerVersion() (string, error)

func (v *Versions) HasGem(gem string) (bool, error)

func (v *Versions) HasGemVersion(gem string, constraints ...string) (bool, error)

func (v *Versions) HasWindowsGemfileLock() (bool, error)

Should return true if either: (1) the only platform in the Gemfile.lock is windows (mingw/mswin)

-or-

(2) the Gemfile.lock line endings are /r/n, rather than just /n

func (v *Versions) JrubyVersion() (string, error)

func (v *Versions) RubyEngineVersion() (string, error)

func (v *Versions) Version() (string, error)

func (v *Versions) VersionConstraint(version string, constraints ...string) (bool, error)