From 68c25fa13937ed65df65991c5af78fd5f5418a4f Mon Sep 17 00:00:00 2001
From: mappu <mappu04@gmail.com>
Date: Sat, 25 Mar 2017 15:58:55 +1300
Subject: [PATCH] webcmd: allow setting custom WorkingDir for process

---
 Task.go        | 4 +++-
 config.go      | 5 +++--
 twa_NewTask.go | 2 +-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/Task.go b/Task.go
index 4adddab..5195182 100644
--- a/Task.go
+++ b/Task.go
@@ -41,7 +41,7 @@ func uuid() string {
 }
 
 // LaunchTask creates a new task from the given command parameters.
-func (this *App) LaunchTask(params []string) (taskRef string, err error) {
+func (this *App) LaunchTask(workDir string, params []string) (taskRef string, err error) {
 	if len(params) == 0 {
 		return "", errors.New("No parameters for task")
 	}
@@ -60,6 +60,8 @@ func (this *App) LaunchTask(params []string) (taskRef string, err error) {
 		return "", err
 	}
 
+	cmd.Dir = workDir
+
 	err = cmd.Start()
 	if err != nil {
 		return "", err
diff --git a/config.go b/config.go
index 14fd4a2..a634109 100644
--- a/config.go
+++ b/config.go
@@ -22,8 +22,9 @@ type InputParam struct {
 }
 
 type CommandConfig struct {
-	Title     string
-	Execution []InputParam // TODO allow plain strings as a shorthand for PARAMTYPE_CONST
+	Title      string
+	WorkingDir string       // default empty-string: getcwd()
+	Execution  []InputParam // TODO allow plain strings as a shorthand for PARAMTYPE_CONST
 }
 
 type AppConfig struct {
diff --git a/twa_NewTask.go b/twa_NewTask.go
index 9ba24ee..2f9d54f 100644
--- a/twa_NewTask.go
+++ b/twa_NewTask.go
@@ -58,7 +58,7 @@ func (this *App) Action_NewTask(w http.ResponseWriter, r *http.Request) {
 	}
 
 	// Create new command from supplied values
-	taskRef, err := this.LaunchTask(params)
+	taskRef, err := this.LaunchTask(taskInfo.WorkingDir, params)
 	if err != nil {
 		fail(w, r, err.Error())
 		return