// Git configures a new Git service routine.
func Setup(c *setup.Controller) (middleware.Middleware, error) {
git, err := parse(c)
if err != nil {
return nil, err
}
// repos configured with webhooks
var hookRepos []*Repo
// functions to execute at startup
var startupFuncs []func() error
// loop through all repos and and start monitoring
for i := range git {
repo := git.Repo(i)
// If a HookUrl is set, we switch to event based pulling.
// Install the url handler
if repo.HookUrl != "" {
hookRepos = append(hookRepos, repo)
startupFuncs = append(startupFuncs, func() error {
return repo.Pull()
})
} else {
startupFuncs = append(startupFuncs, func() error {
// Start service routine in background
Start(repo)
// Do a pull right away to return error
return repo.Pull()
})
}
}
// ensure the functions are executed once per server block
// for cases like server1.com, server2.com { ... }
c.OncePerServerBlock(func() error {
c.Startup = append(c.Startup, startupFuncs...)
return nil
})
// if there are repo(s) with webhook
// return handler
if len(hookRepos) > 0 {
webhook := &WebHook{Repos: hookRepos}
return func(next middleware.Handler) middleware.Handler {
webhook.Next = next
return webhook
}, err
}
return nil, err
}