// cmdInstall first calls cmdInstallPrereq() then install the
// .git/hooks/pre-commit and pre-push hooks.
//
// Silently ignore installing the hooks when running under a CI. In
// particular, circleci.com doesn't create the directory .git/hooks.
func (a *application) cmdInstall(repo scm.ReadOnlyRepo, modes []checks.Mode, noUpdate bool, prereqReady *sync.WaitGroup) (err error) {
errCh := make(chan error, 1)
go func() {
defer prereqReady.Done()
errCh <- a.cmdInstallPrereq(repo, modes, noUpdate)
}()
defer func() {
if err2 := <-errCh; err == nil {
err = err2
}
}()
if checks.IsContinuousIntegration() {
log.Printf("Running under CI; not installing hooks")
return nil
}
log.Printf("Installing hooks")
hookDir, err2 := repo.HookPath()
if err2 != nil {
return err2
}
for _, t := range []string{"pre-commit", "pre-push"} {
// Always remove hook first if it exists, in case it's a symlink.
p := filepath.Join(hookDir, t)
_ = os.Remove(p)
if err = ioutil.WriteFile(p, []byte(fmt.Sprintf(hookContent, t)), 0777); err != nil {
return err
}
}
log.Printf("Installation done")
return nil
}
