Using BuiltInToolsDirs instead of ToolsDirs

Author: cmaglie

go.mod

@@ -3,7 +3,7 @@ module github.com/arduino/arduino-builder
 go 1.12
 
 require (
-	github.com/arduino/arduino-cli v0.0.0-20190909101745-b3db7a6400cf
+	github.com/arduino/arduino-cli v0.0.0-20190920124130-b6774033151c
 	github.com/arduino/go-paths-helper v0.0.0-20190214132331-c3c98d1bf2e1
 	github.com/arduino/go-properties-orderedmap v0.0.0-20190828172252-05018b28ff6c
 	github.com/go-errors/errors v1.0.1

go.sum

@@ -5,6 +5,8 @@ github.com/arduino/arduino-cli v0.0.0-20190828173137-fffa451acd60 h1:5jnGjqzOYyS
 github.com/arduino/arduino-cli v0.0.0-20190828173137-fffa451acd60/go.mod h1:mTVK2WsKc1Ehy2ic+rChPLo9N0uf3ZuUVO7C3y4Y04Q=
 github.com/arduino/arduino-cli v0.0.0-20190909101745-b3db7a6400cf h1:MWVsGOfaT0/HzX5PP6/fWiPviu2YzBe1SbPMtX4qb7s=
 github.com/arduino/arduino-cli v0.0.0-20190909101745-b3db7a6400cf/go.mod h1:mTVK2WsKc1Ehy2ic+rChPLo9N0uf3ZuUVO7C3y4Y04Q=
+github.com/arduino/arduino-cli v0.0.0-20190920124130-b6774033151c h1:0ewBEBzUPbdJgXusSiofkoCJbrT2uKex5ZswdawmdAM=
+github.com/arduino/arduino-cli v0.0.0-20190920124130-b6774033151c/go.mod h1:tGmlOZBUyZunMKW2TIwP/ztR2wnfL81+BNNuZaZmXuQ=
 github.com/arduino/board-discovery v0.0.0-20180823133458-1ba29327fb0c h1:agh2JT96G8egU7FEb13L4dq3fnCN7lxXhJ86t69+W7s=
 github.com/arduino/board-discovery v0.0.0-20180823133458-1ba29327fb0c/go.mod h1:HK7SpkEax/3P+0w78iRQx1sz1vCDYYw9RXwHjQTB5i8=
 github.com/arduino/go-paths-helper v0.0.0-20190214132331-c3c98d1bf2e1 h1:S0NpDSqjlkNA510vmRCP5Cq9mPgu3rWDSdeN4SI1Mwc=

main.go

@@ -258,9 +258,9 @@ func main() {
 	if toolsFolders, err := toSliceOfUnquoted(toolsFoldersFlag); err != nil {
 		printCompleteError(err)
 	} else if len(toolsFolders) > 0 {
-		ctx.ToolsDirs = paths.NewPathList(toolsFolders...)
+		ctx.BuiltInToolsDirs = paths.NewPathList(toolsFolders...)
 	}
-	if len(ctx.ToolsDirs) == 0 {
+	if len(ctx.BuiltInToolsDirs) == 0 {
 		printErrorMessageAndFlagUsage(errors.New("Parameter '" + FLAG_TOOLS + "' is mandatory"))
 	}