gh2fg/migrate/migrate.go
2025-02-12 15:49:36 +08:00

273 lines
8.4 KiB
Go

/*
Copyright © 2025 Justin Hammond
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
package migrate
import (
"context"
"log/slog"
"net/http"
"net/url"
"strings"
"codeberg.org/mvdkleijn/forgejo-sdk/forgejo"
"github.com/google/go-github/v68/github"
"github.com/spf13/viper"
)
var (
httpclientTransport = http.DefaultClient
)
func handleForgejoError(client *forgejo.Client, Org string, Repo string, err error, initialsync bool) (error) {
if initialsync && viper.GetBool("delete-on-error") {
slog.Info("Deleting Failed Migration Repo on Forgejo", "Repo", Repo)
_, err1 := client.DeleteRepo(Org, Repo)
if err1 != nil {
slog.Error("Error deleting failed migration repo", "Error", err)
return err1;
}
}
if viper.GetBool("exit-on-error") {
slog.Error("Canceling Migration of remaining Repos due to error")
return err
}
return nil
}
func getGitHubRepos(httpclient *http.Client) ([]*github.Repository, *github.User, error) {
ghclient := github.NewClient(httpclient).WithAuthToken(viper.GetString("gh-pat"))
url, err := url.Parse(viper.GetString("gh-url"))
if err != nil {
slog.Error("Error parsing GitHub URL", "Error", err)
return nil, nil, err;
}
ghclient.BaseURL = url
ghuser, _, err := ghclient.Users.Get(context.Background(), "")
if err != nil {
slog.Error("Error Authenticating to GitHub", "Error", err)
return nil, nil, err;
}
slog.Info("Github: Authenticated", "user", *ghuser.Login)
lopts := github.RepositoryListByAuthenticatedUserOptions{
Visibility: "all",
Affiliation: "owner",
ListOptions: github.ListOptions{PerPage: 100, Page: 1},
}
ignoreRepo := viper.GetStringSlice("ignore-repos")
includeRepo := viper.GetStringSlice("include-repos")
repoList := make([]*github.Repository, 0)
if len(includeRepo) > 0 {
for _, repo := range includeRepo {
reposplit := strings.Split(repo, "/")
if len(reposplit) != 2 {
slog.Error("Invalid Repo format", "Repo", repo)
continue;
}
repo, _, err := ghclient.Repositories.Get(context.Background(), reposplit[0], reposplit[1])
if err != nil {
slog.Error("Error getting repo", "Error", err)
continue;
}
repoList = append(repoList, repo)
}
} else {
for {
repos, res, err := ghclient.Repositories.ListByAuthenticatedUser(context.Background(), &lopts)
if (err != nil) {
slog.Error("Error getting repos", "Error", err)
return nil, nil, err;
}
out:
for _, repo := range repos {
for _, ignore := range ignoreRepo {
if strings.Compare(*repo.Name, ignore) == 0 {
slog.Info("Ignoring Repo", "Repo", *repo.Name)
continue out
}
}
slog.Debug("Adding Repo", "Repo", *repo.Name)
repoList = append(repoList, repo)
}
if res.NextPage != 0 {
lopts.ListOptions.Page = res.NextPage
//lopts.Page = res.NextPage
slog.Debug("Getting Next Page of Repos", "page", res.NextPage)
} else {
slog.Debug("No More Repos")
break
}
}
}
return repoList, ghuser, nil
}
func setupForgejo(httpclient *http.Client) (*forgejo.Client, *forgejo.User, error) {
fgclient, err := forgejo.NewClient(viper.GetString("fg-url"), forgejo.SetToken(viper.GetString("fg-pat")), forgejo.SetHTTPClient(httpclient))
if err != nil {
slog.Error("Error Authenticating to Forgejo", "Error", err)
return nil, nil, err;
}
fguser, _, err := fgclient.GetMyUserInfo();
if err != nil {
slog.Error("Error Getting Forgejo", "Error", err)
return nil, nil, err;
}
slog.Info("Forgejo Authenticated", "user", fguser.UserName)
/* make sure the target organization exists */
_, _, err = fgclient.GetOrg(viper.GetString("fg-org"))
if err != nil {
slog.Error("Target Organization Does Not Exist", "Error", err)
return nil, nil, err;
}
return fgclient, fguser, nil
}
func StartSync() error {
repos, ghuser, err := getGitHubRepos(httpclientTransport)
if err != nil {
slog.Error("Error getting GitHub Repos", "Error", err)
return err;
}
fgclient, _, err := setupForgejo(httpclientTransport)
if err != nil {
slog.Error("Error getting Forgejo Repos", "Error", err)
return err;
}
for _, repo := range repos {
var owner string
if repo.Organization != nil {
owner = *repo.Organization.Login
} else {
owner = *ghuser.Login
}
slog.Debug("Github Repo", "Org", owner, "Repo", *repo.Name)
fgrepo, _, err := fgclient.GetRepo(viper.GetString("fg-org"), *repo.Name)
if err != nil {
slog.Info("Repo not found at Forgejo. Creating", "repo", *repo.Name)
opts := forgejo.MigrateRepoOption{
RepoName: *repo.Name,
RepoOwner: viper.GetString("fg-org"),
CloneAddr: *repo.CloneURL,
Service: forgejo.GitServiceGithub,
AuthToken: viper.GetString("gh-pat"),
Private: *repo.Private,
Mirror: viper.GetBool("mirror"),
Wiki: viper.GetBool("enable-wiki"),
Issues: viper.GetBool("enable-issues"),
PullRequests: viper.GetBool("enable-prs"),
Releases: viper.GetBool("enable-releases"),
LFS: true,
}
if *repo.Archived {
opts.Mirror = false
}
if repo.Description != nil {
opts.Description = *repo.Description
}
if !viper.GetBool("dry-run") {
slog.Info("Migrating repo to Forgejo", "Org", viper.GetString("fg-org"), "Repo", opts.RepoName)
fgrepo, _, err = fgclient.MigrateRepo(opts)
if err != nil {
slog.Error("Error migrating repo", "Error", err)
if err := handleForgejoError(fgclient, viper.GetString("fg-org"), opts.RepoName, err, true); err != nil {
return err;
}
} else {
if !viper.GetBool("mirror") && *repo.Archived {
slog.Info("Archiving repo at Forgejo", "Repo", opts.RepoName)
fgrepo, _, err = fgclient.EditRepo(viper.GetString("fg-org"), opts.RepoName, forgejo.EditRepoOption{Archived: forgejo.OptionalBool(true)})
if err != nil {
slog.Error("Error archiving repo", "Error", err)
if err := handleForgejoError(fgclient, viper.GetString("fg-org"), opts.RepoName, err, true); err != nil {
return err;
}
}
}
slog.Info("Migrated repo", "Repo", fgrepo.Name)
}
} else {
slog.Info("Dry Run: Would have created repo at Forgejo", "Org", viper.GetString("fg-org"), "Repo", opts.RepoName)
}
} else {
slog.Debug("Repo found at Forgejo", "repo", *repo.Name)
}
if viper.GetBool("sync-metadata") {
fgupdate := forgejo.EditRepoOption{}
doupdate := false
if repo.Description != nil {
if strings.Compare(fgrepo.Description, *repo.Description) != 0 {
fgupdate.Description = forgejo.OptionalString(*repo.Description)
doupdate = true
}
}
if !fgrepo.Mirror && fgrepo.Archived != *repo.Archived {
fgupdate.Archived = forgejo.OptionalBool(*repo.Archived)
doupdate = true
}
if fgrepo.Private != *repo.Private {
fgupdate.Private = forgejo.OptionalBool(*repo.Private)
doupdate = true
}
if repo.Homepage != nil {
if fgrepo.Website != *repo.Homepage {
fgupdate.Website = forgejo.OptionalString(*repo.Homepage)
doupdate = true
}
}
if doupdate {
if !viper.GetBool("dry-run") {
slog.Info("Updating repo at Forgejo", "Org", viper.GetString("fg-org"), "Repo", *repo.Name)
_, _, err := fgclient.EditRepo(viper.GetString("fg-org"), *repo.Name, fgupdate)
if err != nil {
slog.Error("Error updating repo", "Error", err)
if err := handleForgejoError(fgclient, viper.GetString("fg-org"), *repo.Name, err, false); err != nil {
return err;
}
}
} else {
slog.Info("Dry Run: Would have updated repo at Forgejo", "Org", viper.GetString("fg-org"), "Repo", *repo.Name)
}
}
}
}
return nil
}