From b780e963f7e146f22ad2176a3acdd3044b474695 Mon Sep 17 00:00:00 2001
From: Carlos Alexandro Becker <caarlos0@gmail.com>
Date: Wed, 11 Jul 2018 22:36:13 -0700
Subject: [PATCH] fix: multiple oh-my-zsh plugins behavior

---
 antibodylib/antibody_test.go |  4 +++-
 project/git.go               | 11 +++++++++++
 project/git_test.go          |  6 ++++--
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/antibodylib/antibody_test.go b/antibodylib/antibody_test.go
index 48226be..6bd51c2 100644
--- a/antibodylib/antibody_test.go
+++ b/antibodylib/antibody_test.go
@@ -66,6 +66,8 @@ func TestMultipleRepositories(t *testing.T) {
 		"zsh-users/zsh-completions",
 		"zsh-users/zsh-autosuggestions",
 		"",
+		"robbyrussell/oh-my-zsh folder:plugins/asdf",
+		"robbyrussell/oh-my-zsh folder:plugins/autoenv",
 		"# these should be at last!",
 		"sindresorhus/pure",
 		"zsh-users/zsh-syntax-highlighting",
@@ -77,7 +79,7 @@ func TestMultipleRepositories(t *testing.T) {
 		runtime.NumCPU(),
 	).Bundle()
 	assert.NoError(t, err)
-	assert.Len(t, strings.Split(sh, "\n"), 27)
+	assert.Len(t, strings.Split(sh, "\n"), 31)
 }
 
 func TestHome(t *testing.T) {
diff --git a/project/git.go b/project/git.go
index f24a04f..be2c1c9 100644
--- a/project/git.go
+++ b/project/git.go
@@ -7,6 +7,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strings"
+	"sync"
 
 	"github.com/getantibody/folder"
 )
@@ -72,7 +73,17 @@ func NewGit(cwd, line string) Project {
 	}
 }
 
+var locks = map[string]*sync.Mutex{}
+var lock sync.Mutex
+
 func (g gitProject) Download() error {
+	lock.Lock()
+	if locks[g.folder] == nil {
+		locks[g.folder] = &sync.Mutex{}
+	}
+	lock.Unlock()
+	locks[g.folder].Lock()
+	defer locks[g.folder].Unlock()
 	if _, err := os.Stat(g.folder); os.IsNotExist(err) {
 		// #nosec
 		var cmd = exec.Command("git", "clone",
diff --git a/project/git_test.go b/project/git_test.go
index df72b58..94bfed2 100644
--- a/project/git_test.go
+++ b/project/git_test.go
@@ -95,8 +95,10 @@ func TestSubFolder(t *testing.T) {
 
 func TestMultipleSubFolders(t *testing.T) {
 	home := home()
-	assert.NoError(t, project.NewGit(home, "robbyrussell/oh-my-zsh folder:plugins/aws").Download())
-	assert.NoError(t, project.NewGit(home, "robbyrussell/oh-my-zsh folder:plugins/battery").Download())
+	assert.NoError(t, project.NewGit(home, strings.Join([]string{
+		"robbyrussell/oh-my-zsh folder:plugins/aws",
+		"robbyrussell/oh-my-zsh folder:plugins/battery",
+	}, "\n")).Download())
 }
 
 func home() string {