1 files changed, 87 insertions, 0 deletions
diff --git a/modules/repository/env.go b/modules/repository/env.go
new file mode 100644
index 0000000..e4f3209
--- /dev/null
+++ b/modules/repository/env.go
@@ -0,0 +1,87 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repository
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	repo_model "code.gitea.io/gitea/models/repo"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/setting"
+)
+
+// env keys for git hooks need
+const (
+	EnvRepoName     = "GITEA_REPO_NAME"
+	EnvRepoUsername = "GITEA_REPO_USER_NAME"
+	EnvRepoID       = "GITEA_REPO_ID"
+	EnvRepoIsWiki   = "GITEA_REPO_IS_WIKI"
+	EnvPusherName   = "GITEA_PUSHER_NAME"
+	EnvPusherEmail  = "GITEA_PUSHER_EMAIL"
+	EnvPusherID     = "GITEA_PUSHER_ID"
+	EnvKeyID        = "GITEA_KEY_ID" // public key ID
+	EnvDeployKeyID  = "GITEA_DEPLOY_KEY_ID"
+	EnvPRID         = "GITEA_PR_ID"
+	EnvPushTrigger  = "GITEA_PUSH_TRIGGER"
+	EnvIsInternal   = "GITEA_INTERNAL_PUSH"
+	EnvAppURL       = "GITEA_ROOT_URL"
+	EnvActionPerm   = "GITEA_ACTION_PERM"
+)
+
+type PushTrigger string
+
+const (
+	PushTriggerPRMergeToBase    PushTrigger = "pr-merge-to-base"
+	PushTriggerPRUpdateWithBase PushTrigger = "pr-update-with-base"
+)
+
+// InternalPushingEnvironment returns an os environment to switch off hooks on push
+// It is recommended to avoid using this unless you are pushing within a transaction
+// or if you absolutely are sure that post-receive and pre-receive will do nothing
+// We provide the full pushing-environment for other hook providers
+func InternalPushingEnvironment(doer *user_model.User, repo *repo_model.Repository) []string {
+	return append(PushingEnvironment(doer, repo),
+		EnvIsInternal+"=true",
+	)
+}
+
+// PushingEnvironment returns an os environment to allow hooks to work on push
+func PushingEnvironment(doer *user_model.User, repo *repo_model.Repository) []string {
+	return FullPushingEnvironment(doer, doer, repo, repo.Name, 0)
+}
+
+// FullPushingEnvironment returns an os environment to allow hooks to work on push
+func FullPushingEnvironment(author, committer *user_model.User, repo *repo_model.Repository, repoName string, prID int64) []string {
+	isWiki := "false"
+	if strings.HasSuffix(repoName, ".wiki") {
+		isWiki = "true"
+	}
+
+	authorSig := author.NewGitSig()
+	committerSig := committer.NewGitSig()
+
+	environ := append(os.Environ(),
+		"GIT_AUTHOR_NAME="+authorSig.Name,
+		"GIT_AUTHOR_EMAIL="+authorSig.Email,
+		"GIT_COMMITTER_NAME="+committerSig.Name,
+		"GIT_COMMITTER_EMAIL="+committerSig.Email,
+		EnvRepoName+"="+repoName,
+		EnvRepoUsername+"="+repo.OwnerName,
+		EnvRepoIsWiki+"="+isWiki,
+		EnvPusherName+"="+committer.Name,
+		EnvPusherID+"="+fmt.Sprintf("%d", committer.ID),
+		EnvRepoID+"="+fmt.Sprintf("%d", repo.ID),
+		EnvPRID+"="+fmt.Sprintf("%d", prID),
+		EnvAppURL+"="+setting.AppURL,
+		"SSH_ORIGINAL_COMMAND=gitea-internal",
+	)
+
+	if !committer.KeepEmailPrivate {
+		environ = append(environ, EnvPusherEmail+"="+committer.Email)
+	}
+
+	return environ
+}