44 lines
994 B
Go
44 lines
994 B
Go
package docker
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/coreos/go-semver/semver"
|
|
)
|
|
|
|
// Default tags returns a set of default suggested tags based on
|
|
// the commit ref.
|
|
func DefaultTags(ref string) []string {
|
|
if !strings.HasPrefix(ref, "refs/tags/") {
|
|
return []string{"latest"}
|
|
}
|
|
v := stripTagPrefix(ref)
|
|
version, err := semver.NewVersion(v)
|
|
if err != nil {
|
|
return []string{"latest"}
|
|
}
|
|
if version.PreRelease != "" || version.Metadata != "" {
|
|
return []string{
|
|
version.String(),
|
|
}
|
|
}
|
|
if version.Major == 0 {
|
|
return []string{
|
|
fmt.Sprintf("%d.%d", version.Major, version.Minor),
|
|
fmt.Sprintf("%d.%d.%d", version.Major, version.Minor, version.Patch),
|
|
}
|
|
}
|
|
return []string{
|
|
fmt.Sprint(version.Major),
|
|
fmt.Sprintf("%d.%d", version.Major, version.Minor),
|
|
fmt.Sprintf("%d.%d.%d", version.Major, version.Minor, version.Patch),
|
|
}
|
|
}
|
|
|
|
func stripTagPrefix(ref string) string {
|
|
ref = strings.TrimPrefix(ref, "refs/tags/")
|
|
ref = strings.TrimPrefix(ref, "v")
|
|
return ref
|
|
}
|