create template in temp folder and clean on error

commands/githook/githook.go

@@ -5,6 +5,7 @@ import (
 	"path"
 
 	logy "github.com/apex/log"
+	"github.com/netzkern/butler/utils"
 	survey "gopkg.in/AlecAivazis/survey.v1"
 )
 
@@ -35,6 +36,7 @@ type CommandData struct {
 // Githook command to create git hooks
 type Githook struct {
 	Path        string
+	GitDir      string
 	CommandData *CommandData
 }
 
@@ -52,6 +54,13 @@ func New(options ...Option) *Githook {
 	return v
 }
 
+// WithGitDir option.
+func WithGitDir(dir string) Option {
+	return func(g *Githook) {
+		g.GitDir = dir
+	}
+}
+
 // WithCommandData option.
 func WithCommandData(cd *CommandData) Option {
 	return func(g *Githook) {
@@ -62,19 +71,19 @@ func WithCommandData(cd *CommandData) Option {
 // Install will create hard links from local git_hooks to the corresponding git hooks
 func (g *Githook) Install() error {
 	for _, h := range g.CommandData.Hooks {
-		hookGitPath := path.Join(g.CommandData.Path, ".git", "hooks", h)
+		hookGitPath := path.Join(g.GitDir, ".git", "hooks", h)
 		hookRepoPath := path.Join(g.CommandData.Path, repoHookDir, h)
-		if !exists(hookGitPath) {
+		if !utils.Exists(hookGitPath) {
 			dir := path.Dir(hookGitPath)
 			logy.Debugf("Path '%s' created", dir)
-			err := createDirIfNotExist(dir)
+			err := utils.CreateDirIfNotExist(dir)
 			if err != nil {
 				logy.WithError(err).Error("Could not create directory")
 			}
 		} else {
 			os.Remove(hookGitPath)
 		}
-		if exists(hookRepoPath) {
+		if utils.Exists(hookRepoPath) {
 			logy.Debugf("Create symlink old: %s, new: %s", hookGitPath, hookRepoPath)
 			err := os.Link(hookRepoPath, hookGitPath)
 			if err != nil {
@@ -83,7 +92,7 @@ func (g *Githook) Install() error {
 			}
 			logy.Debugf("hook '%s' installed", h)
 		} else {
-			logy.Infof("template for hook '%s' could not be found in %s", h, path.Join(g.CommandData.Path, repoHookDir))
+			logy.Debugf("template for hook '%s' could not be found in %s", h, path.Join(g.CommandData.Path, repoHookDir))
 		}
 
 	}
@@ -133,22 +142,3 @@ func (g *Githook) StartCommandSurvey() error {
 func (g *Githook) Run() error {
 	return g.Install()
 }
-
-func exists(name string) bool {
-	if _, err := os.Stat(name); err != nil {
-		if os.IsNotExist(err) {
-			return false
-		}
-	}
-	return true
-}
-
-func createDirIfNotExist(dir string) error {
-	if _, err := os.Stat(dir); os.IsNotExist(err) {
-		err = os.MkdirAll(dir, 0755)
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}