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feat: allow overriding of GITHUB_ env variables (#1582)

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* allow overriding of GITHUB_ env variables

* bug fix for overriding env vars with empty string

* revert step.go

* refactor github_context to prevent lint failures. added more setters

* added ability to override github env variables

* handled base and head ref
This commit is contained in:
Shubh Bapna
2023-02-03 14:35:49 -05:00
committed by GitHub
parent c4b64ec1c1
commit ce168f9595
3 changed files with 199 additions and 74 deletions
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83
pkg/runner/run_context.go
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@@ -21,7 +21,6 @@ import (
log "github.com/sirupsen/logrus"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/common/git"
"github.com/nektos/act/pkg/container"
"github.com/nektos/act/pkg/exprparser"
"github.com/nektos/act/pkg/model"
@@ -571,6 +570,14 @@ func (rc *RunContext) getGithubContext(ctx context.Context) *model.GithubContext
RetentionDays: rc.Config.Env["GITHUB_RETENTION_DAYS"],
RunnerPerflog: rc.Config.Env["RUNNER_PERFLOG"],
RunnerTrackingID: rc.Config.Env["RUNNER_TRACKING_ID"],
Repository: rc.Config.Env["GITHUB_REPOSITORY"],
Ref: rc.Config.Env["GITHUB_REF"],
Sha: rc.Config.Env["SHA_REF"],
RefName: rc.Config.Env["GITHUB_REF_NAME"],
RefType: rc.Config.Env["GITHUB_REF_TYPE"],
BaseRef: rc.Config.Env["GITHUB_BASE_REF"],
HeadRef: rc.Config.Env["GITHUB_HEAD_REF"],
Workspace: rc.Config.Env["GITHUB_WORKSPACE"],
}
if rc.JobContainer != nil {
ghc.EventPath = rc.JobContainer.GetActPath() + "/workflow/event.json"
@@ -599,39 +606,24 @@ func (rc *RunContext) getGithubContext(ctx context.Context) *model.GithubContext
ghc.Actor = "nektos/act"
}
repoPath := rc.Config.Workdir
repo, err := git.FindGithubRepo(ctx, repoPath, rc.Config.GitHubInstance, rc.Config.RemoteName)
if err != nil {
logger.Warningf("unable to get git repo: %v", err)
} else {
ghc.Repository = repo
if ghc.RepositoryOwner == "" {
ghc.RepositoryOwner = strings.Split(repo, "/")[0]
}
}
if rc.EventJSON != "" {
err = json.Unmarshal([]byte(rc.EventJSON), &ghc.Event)
err := json.Unmarshal([]byte(rc.EventJSON), &ghc.Event)
if err != nil {
logger.Errorf("Unable to Unmarshal event '%s': %v", rc.EventJSON, err)
}
}
if ghc.EventName == "pull_request" || ghc.EventName == "pull_request_target" {
ghc.BaseRef = asString(nestedMapLookup(ghc.Event, "pull_request", "base", "ref"))
ghc.HeadRef = asString(nestedMapLookup(ghc.Event, "pull_request", "head", "ref"))
ghc.SetBaseAndHeadRef()
repoPath := rc.Config.Workdir
ghc.SetRepositoryAndOwner(ctx, rc.Config.GitHubInstance, rc.Config.RemoteName, repoPath)
if ghc.Ref == "" {
ghc.SetRef(ctx, rc.Config.DefaultBranch, repoPath)
}
if ghc.Sha == "" {
ghc.SetSha(ctx, repoPath)
}
ghc.SetRefAndSha(ctx, rc.Config.DefaultBranch, repoPath)
// https://docs.github.com/en/actions/learn-github-actions/environment-variables
if strings.HasPrefix(ghc.Ref, "refs/tags/") {
ghc.RefType = "tag"
ghc.RefName = ghc.Ref[len("refs/tags/"):]
} else if strings.HasPrefix(ghc.Ref, "refs/heads/") {
ghc.RefType = "branch"
ghc.RefName = ghc.Ref[len("refs/heads/"):]
}
ghc.SetRefTypeAndName()
return ghc
}
@@ -662,15 +654,6 @@ func isLocalCheckout(ghc *model.GithubContext, step *model.Step) bool {
return true
}
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
@@ -709,20 +692,34 @@ func (rc *RunContext) withGithubEnv(ctx context.Context, github *model.GithubCon
env["GITHUB_REF_NAME"] = github.RefName
env["GITHUB_REF_TYPE"] = github.RefType
env["GITHUB_TOKEN"] = github.Token
env["GITHUB_SERVER_URL"] = "https://github.com"
env["GITHUB_API_URL"] = "https://api.github.com"
env["GITHUB_GRAPHQL_URL"] = "https://api.github.com/graphql"
env["GITHUB_BASE_REF"] = github.BaseRef
env["GITHUB_HEAD_REF"] = github.HeadRef
env["GITHUB_JOB"] = rc.JobName
env["GITHUB_REPOSITORY_OWNER"] = github.RepositoryOwner
env["GITHUB_RETENTION_DAYS"] = github.RetentionDays
env["RUNNER_PERFLOG"] = github.RunnerPerflog
env["RUNNER_TRACKING_ID"] = github.RunnerTrackingID
env["GITHUB_BASE_REF"] = github.BaseRef
env["GITHUB_HEAD_REF"] = github.HeadRef
defaultServerURL := "https://github.com"
defaultAPIURL := "https://api.github.com"
defaultGraphqlURL := "https://api.github.com/graphql"
if rc.Config.GitHubInstance != "github.com" {
env["GITHUB_SERVER_URL"] = fmt.Sprintf("https://%s", rc.Config.GitHubInstance)
env["GITHUB_API_URL"] = fmt.Sprintf("https://%s/api/v3", rc.Config.GitHubInstance)
env["GITHUB_GRAPHQL_URL"] = fmt.Sprintf("https://%s/api/graphql", rc.Config.GitHubInstance)
defaultServerURL = fmt.Sprintf("https://%s", rc.Config.GitHubInstance)
defaultAPIURL = fmt.Sprintf("https://%s/api/v3", rc.Config.GitHubInstance)
defaultGraphqlURL = fmt.Sprintf("https://%s/api/graphql", rc.Config.GitHubInstance)
}
if env["GITHUB_SERVER_URL"] == "" {
env["GITHUB_SERVER_URL"] = defaultServerURL
}
if env["GITHUB_API_URL"] == "" {
env["GITHUB_API_URL"] = defaultAPIURL
}
if env["GITHUB_GRAPHQL_URL"] == "" {
env["GITHUB_GRAPHQL_URL"] = defaultGraphqlURL
}
if rc.Config.ArtifactServerPath != "" {