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package jobparser
import (
"bytes"
"fmt"
"sort"
"strings"
"gopkg.in/yaml.v3"
"github.com/nektos/act/pkg/model"
)
func Parse(content []byte, options ...ParseOption) ([]*SingleWorkflow, error) {
origin, err := model.ReadWorkflow(bytes.NewReader(content))
if err != nil {
return nil, fmt.Errorf("model.ReadWorkflow: %w", err)
}
workflow := &SingleWorkflow{}
if err := yaml.Unmarshal(content, workflow); err != nil {
return nil, fmt.Errorf("yaml.Unmarshal: %w", err)
}
pc := &parseContext{}
for _, o := range options {
o(pc)
}
results := map[string]*JobResult{}
for id, job := range origin.Jobs {
results[id] = &JobResult{
Needs: job.Needs(),
Result: pc.jobResults[id],
Outputs: nil, // not supported yet
}
}
var ret []*SingleWorkflow
ids, jobs, err := workflow.jobs()
if err != nil {
return nil, fmt.Errorf("invalid jobs: %w", err)
}
for i, id := range ids {
job := jobs[i]
matricxes, err := getMatrixes(origin.GetJob(id))
if err != nil {
return nil, fmt.Errorf("getMatrixes: %w", err)
}
for _, matrix := range matricxes {
job := job.Clone()
evaluator := NewExpressionEvaluator(NewInterpeter(id, origin.GetJob(id), matrix, pc.gitContext, results, pc.vars))
if job.Name == "" {
job.Name = nameWithMatrix(id, matrix)
} else {
job.Name = evaluator.Interpolate(job.Name)
}
job.Strategy.RawMatrix = encodeMatrix(matrix)
runsOn := origin.GetJob(id).RunsOn()
for i, v := range runsOn {
runsOn[i] = evaluator.Interpolate(v)
}
job.RawRunsOn = encodeRunsOn(runsOn)
swf := &SingleWorkflow{
Name: workflow.Name,
RawOn: workflow.RawOn,
Env: workflow.Env,
Defaults: workflow.Defaults,
}
if err := swf.SetJob(id, job); err != nil {
return nil, fmt.Errorf("SetJob: %w", err)
}
ret = append(ret, swf)
}
}
return ret, nil
}
func WithJobResults(results map[string]string) ParseOption {
return func(c *parseContext) {
c.jobResults = results
}
}
func WithGitContext(context *model.GithubContext) ParseOption {
return func(c *parseContext) {
c.gitContext = context
}
}
func WithVars(vars map[string]string) ParseOption {
return func(c *parseContext) {
c.vars = vars
}
}
type parseContext struct {
jobResults map[string]string
gitContext *model.GithubContext
vars map[string]string
}
type ParseOption func(c *parseContext)
func getMatrixes(job *model.Job) ([]map[string]interface{}, error) {
ret, err := job.GetMatrixes()
if err != nil {
return nil, fmt.Errorf("GetMatrixes: %w", err)
}
sort.Slice(ret, func(i, j int) bool {
return matrixName(ret[i]) < matrixName(ret[j])
})
return ret, nil
}
func encodeMatrix(matrix map[string]interface{}) yaml.Node {
if len(matrix) == 0 {
return yaml.Node{}
}
value := map[string][]interface{}{}
for k, v := range matrix {
value[k] = []interface{}{v}
}
node := yaml.Node{}
_ = node.Encode(value)
return node
}
func encodeRunsOn(runsOn []string) yaml.Node {
node := yaml.Node{}
if len(runsOn) == 1 {
_ = node.Encode(runsOn[0])
} else {
_ = node.Encode(runsOn)
}
return node
}
func nameWithMatrix(name string, m map[string]interface{}) string {
if len(m) == 0 {
return name
}
return name + " " + matrixName(m)
}
func matrixName(m map[string]interface{}) string {
ks := make([]string, 0, len(m))
for k := range m {
ks = append(ks, k)
}
sort.Strings(ks)
vs := make([]string, 0, len(m))
for _, v := range ks {
vs = append(vs, fmt.Sprint(m[v]))
}
return fmt.Sprintf("(%s)", strings.Join(vs, ", "))
}
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