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at fix-env-test
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import ( "errors" "fmt" "slices"
"tangled.sh/tangled.sh/core/api/tangled"
"github.com/go-git/go-git/v5/plumbing" "gopkg.in/yaml.v3")
// - when a repo is modified, it results in the trigger of a "Pipeline"// - a repo could consist of several workflow files// * .tangled/workflows/test.yml// * .tangled/workflows/lint.yml// - therefore a pipeline consists of several workflows, these execute in parallel// - each workflow consists of some execution steps, these execute serially
type ( Pipeline []Workflow
// this is simply a structural representation of the workflow file Workflow struct { Name string `yaml:"-"` // name of the workflow file When []Constraint `yaml:"when"` Dependencies Dependencies `yaml:"dependencies"` Steps []Step `yaml:"steps"` Environment map[string]string `yaml:"environment"` CloneOpts CloneOpts `yaml:"clone"` }
Constraint struct { Event StringList `yaml:"event"` Branch StringList `yaml:"branch"` // this is optional, and only applied on "push" events }
Dependencies map[string][]string
CloneOpts struct { Skip bool `yaml:"skip"` Depth int `yaml:"depth"` IncludeSubmodules bool `yaml:"submodules"` }
Step struct { Name string `yaml:"name"` Command string `yaml:"command"` Environment map[string]string `yaml:"environment"` }
StringList []string)
const ( TriggerKindPush string = "push" TriggerKindPullRequest string = "pull_request" TriggerKindManual string = "manual")
func FromFile(name string, contents []byte) (Workflow, error) { var wf Workflow
err := yaml.Unmarshal(contents, &wf) if err != nil { return wf, err }
wf.Name = name
return wf, nil}
// if any of the constraints on a workflow is true, return truefunc (w *Workflow) Match(trigger tangled.Pipeline_TriggerMetadata) bool { // manual triggers always run the workflow if trigger.Manual != nil { return true }
// if not manual, run through the constraint list and see if any one matches for _, c := range w.When { if c.Match(trigger) { return true } }
// no constraints, always run this workflow if len(w.When) == 0 { return true }
return false}
func (c *Constraint) Match(trigger tangled.Pipeline_TriggerMetadata) bool { match := true
// manual triggers always pass this constraint if trigger.Manual != nil { return true }
// apply event constraints match = match && c.MatchEvent(trigger.Kind)
// apply branch constraints for PRs if trigger.PullRequest != nil { match = match && c.MatchBranch(trigger.PullRequest.TargetBranch) }
// apply ref constraints for pushes if trigger.Push != nil { match = match && c.MatchRef(trigger.Push.Ref) }
return match}
func (c *Constraint) MatchBranch(branch string) bool { return slices.Contains(c.Branch, branch)}
func (c *Constraint) MatchRef(ref string) bool { refName := plumbing.ReferenceName(ref) if refName.IsBranch() { return slices.Contains(c.Branch, refName.Short()) } return false}
func (c *Constraint) MatchEvent(event string) bool { return slices.Contains(c.Event, event)}
// Custom unmarshaller for StringListfunc (s *StringList) UnmarshalYAML(unmarshal func(any) error) error { var stringType string if err := unmarshal(&stringType); err == nil { *s = []string{stringType} return nil }
var sliceType []any if err := unmarshal(&sliceType); err == nil {
if sliceType == nil { *s = nil return nil }
parts := make([]string, len(sliceType)) for k, v := range sliceType { if sv, ok := v.(string); ok { parts[k] = sv } else { return fmt.Errorf("cannot unmarshal '%v' of type %T into a string value", v, v) } }
*s = parts return nil }
return errors.New("failed to unmarshal StringOrSlice")}
// conversion utilities to atproto recordsfunc (d Dependencies) AsRecord() []tangled.Pipeline_Dependencies_Elem { var deps []tangled.Pipeline_Dependencies_Elem for registry, packages := range d { deps = append(deps, tangled.Pipeline_Dependencies_Elem{ Registry: registry, Packages: packages, }) } return deps}
func (s Step) AsRecord() tangled.Pipeline_Step { return tangled.Pipeline_Step{ Command: s.Command, Name: s.Name, }}
func (c CloneOpts) AsRecord() tangled.Pipeline_CloneOpts { return tangled.Pipeline_CloneOpts{ Depth: int64(c.Depth), Skip: c.Skip, Submodules: c.IncludeSubmodules, }}