drone-yaml/yaml/compiler/transform/filter.go

73 lines
1.6 KiB
Go

package transform
import "github.com/drone/drone-runtime/engine"
// Include is a transform function that limits the
// pipeline execution to a whitelist of named steps.
func Include(names []string) func(*engine.Spec) {
set := map[string]struct{}{}
for _, name := range names {
set[name] = struct{}{}
}
return func(spec *engine.Spec) {
if len(names) == 0 {
return
}
for _, step := range spec.Steps {
if step.Metadata.Name == "clone" {
continue
}
_, ok := set[step.Metadata.Name]
if !ok {
// if the step is not included in the
// whitelist the run policy is set to never.
step.RunPolicy = engine.RunNever
}
}
}
}
// Exclude is a transform function that limits the
// pipeline execution to a whitelist of named steps.
func Exclude(names []string) func(*engine.Spec) {
set := map[string]struct{}{}
for _, name := range names {
set[name] = struct{}{}
}
return func(spec *engine.Spec) {
if len(names) == 0 {
return
}
for _, step := range spec.Steps {
if step.Metadata.Name == "clone" {
continue
}
_, ok := set[step.Metadata.Name]
if ok {
// if the step is included in the blacklist
// the run policy is set to never.
step.RunPolicy = engine.RunNever
}
}
}
}
// ResumeAt is a transform function that modifies the
// exuction to resume at a named step.
func ResumeAt(name string) func(*engine.Spec) {
return func(spec *engine.Spec) {
if name == "" {
return
}
for _, step := range spec.Steps {
if step.Metadata.Name == name {
return
}
if step.Metadata.Name == "clone" {
continue
}
step.RunPolicy = engine.RunNever
}
}
}