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|
package model
import (
"context"
"fmt"
"strings"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/common/git"
)
type GithubContext struct {
Event map[string]interface{} `json:"event"`
EventPath string `json:"event_path"`
Workflow string `json:"workflow"`
RunID string `json:"run_id"`
RunNumber string `json:"run_number"`
Actor string `json:"actor"`
Repository string `json:"repository"`
EventName string `json:"event_name"`
Sha string `json:"sha"`
Ref string `json:"ref"`
RefName string `json:"ref_name"`
RefType string `json:"ref_type"`
HeadRef string `json:"head_ref"`
BaseRef string `json:"base_ref"`
Token string `json:"token"`
Workspace string `json:"workspace"`
Action string `json:"action"`
ActionPath string `json:"action_path"`
ActionRef string `json:"action_ref"`
ActionRepository string `json:"action_repository"`
Job string `json:"job"`
JobName string `json:"job_name"`
RepositoryOwner string `json:"repository_owner"`
RetentionDays string `json:"retention_days"`
RunnerPerflog string `json:"runner_perflog"`
RunnerTrackingID string `json:"runner_tracking_id"`
ServerURL string `json:"server_url"`
APIURL string `json:"api_url"`
GraphQLURL string `json:"graphql_url"`
}
func asString(v interface{}) string {
if v == nil {
return ""
} else if s, ok := v.(string); ok {
return s
}
return ""
}
func nestedMapLookup(m map[string]interface{}, ks ...string) (rval interface{}) {
var ok bool
if len(ks) == 0 { // degenerate input
return nil
}
if rval, ok = m[ks[0]]; !ok {
return nil
} else if len(ks) == 1 { // we've reached the final key
return rval
} else if m, ok = rval.(map[string]interface{}); !ok {
return nil
} else { // 1+ more keys
return nestedMapLookup(m, ks[1:]...)
}
}
func withDefaultBranch(ctx context.Context, b string, event map[string]interface{}) map[string]interface{} {
repoI, ok := event["repository"]
if !ok {
repoI = make(map[string]interface{})
}
repo, ok := repoI.(map[string]interface{})
if !ok {
common.Logger(ctx).Warnf("unable to set default branch to %v", b)
return event
}
// if the branch is already there return with no changes
if _, ok = repo["default_branch"]; ok {
return event
}
repo["default_branch"] = b
event["repository"] = repo
return event
}
var findGitRef = git.FindGitRef
var findGitRevision = git.FindGitRevision
func (ghc *GithubContext) SetRef(ctx context.Context, defaultBranch string, repoPath string) {
logger := common.Logger(ctx)
// https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
// https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads
switch ghc.EventName {
case "pull_request_target":
ghc.Ref = fmt.Sprintf("refs/heads/%s", ghc.BaseRef)
case "pull_request", "pull_request_review", "pull_request_review_comment":
ghc.Ref = fmt.Sprintf("refs/pull/%.0f/merge", ghc.Event["number"])
case "deployment", "deployment_status":
ghc.Ref = asString(nestedMapLookup(ghc.Event, "deployment", "ref"))
case "release":
ghc.Ref = fmt.Sprintf("refs/tags/%s", asString(nestedMapLookup(ghc.Event, "release", "tag_name")))
case "push", "create", "workflow_dispatch":
ghc.Ref = asString(ghc.Event["ref"])
default:
defaultBranch := asString(nestedMapLookup(ghc.Event, "repository", "default_branch"))
if defaultBranch != "" {
ghc.Ref = fmt.Sprintf("refs/heads/%s", defaultBranch)
}
}
if ghc.Ref == "" {
ref, err := findGitRef(ctx, repoPath)
if err != nil {
logger.Warningf("unable to get git ref: %v", err)
} else {
logger.Debugf("using github ref: %s", ref)
ghc.Ref = ref
}
// set the branch in the event data
if defaultBranch != "" {
ghc.Event = withDefaultBranch(ctx, defaultBranch, ghc.Event)
} else {
ghc.Event = withDefaultBranch(ctx, "master", ghc.Event)
}
if ghc.Ref == "" {
ghc.Ref = fmt.Sprintf("refs/heads/%s", asString(nestedMapLookup(ghc.Event, "repository", "default_branch")))
}
}
}
func (ghc *GithubContext) SetSha(ctx context.Context, repoPath string) {
logger := common.Logger(ctx)
// https://docs.github.com/en/actions/learn-github-actions/events-that-trigger-workflows
// https://docs.github.com/en/developers/webhooks-and-events/webhooks/webhook-events-and-payloads
switch ghc.EventName {
case "pull_request_target":
ghc.Sha = asString(nestedMapLookup(ghc.Event, "pull_request", "base", "sha"))
case "deployment", "deployment_status":
ghc.Sha = asString(nestedMapLookup(ghc.Event, "deployment", "sha"))
case "push", "create", "workflow_dispatch":
if deleted, ok := ghc.Event["deleted"].(bool); ok && !deleted {
ghc.Sha = asString(ghc.Event["after"])
}
}
if ghc.Sha == "" {
_, sha, err := findGitRevision(ctx, repoPath)
if err != nil {
logger.Warningf("unable to get git revision: %v", err)
} else {
ghc.Sha = sha
}
}
}
func (ghc *GithubContext) SetRepositoryAndOwner(ctx context.Context, githubInstance string, remoteName string, repoPath string) {
if ghc.Repository == "" {
repo, err := git.FindGithubRepo(ctx, repoPath, githubInstance, remoteName)
if err != nil {
common.Logger(ctx).Warningf("unable to get git repo (githubInstance: %v; remoteName: %v, repoPath: %v): %v", githubInstance, remoteName, repoPath, err)
return
}
ghc.Repository = repo
}
ghc.RepositoryOwner = strings.Split(ghc.Repository, "/")[0]
}
func (ghc *GithubContext) SetRefTypeAndName() {
var refType, refName string
// https://docs.github.com/en/actions/learn-github-actions/environment-variables
if strings.HasPrefix(ghc.Ref, "refs/tags/") {
refType = "tag"
refName = ghc.Ref[len("refs/tags/"):]
} else if strings.HasPrefix(ghc.Ref, "refs/heads/") {
refType = "branch"
refName = ghc.Ref[len("refs/heads/"):]
} else if strings.HasPrefix(ghc.Ref, "refs/pull/") {
refType = ""
refName = ghc.Ref[len("refs/pull/"):]
}
if ghc.RefType == "" {
ghc.RefType = refType
}
if ghc.RefName == "" {
ghc.RefName = refName
}
}
func (ghc *GithubContext) SetBaseAndHeadRef() {
if ghc.EventName == "pull_request" || ghc.EventName == "pull_request_target" {
if ghc.BaseRef == "" {
ghc.BaseRef = asString(nestedMapLookup(ghc.Event, "pull_request", "base", "ref"))
}
if ghc.HeadRef == "" {
ghc.HeadRef = asString(nestedMapLookup(ghc.Event, "pull_request", "head", "ref"))
}
}
}
|
