Append to logs instead of overwriting

Author: cmaglie

go.mod

@@ -5,8 +5,8 @@ go 1.12
 replace github.com/arduino/arduino-cli => ../arduino-cli
 
 require (
-	github.com/arduino/arduino-cli v0.0.0-20201118111649-5edef82c60fb
-	github.com/arduino/go-paths-helper v1.3.2
+	github.com/arduino/arduino-cli v0.0.0-20201201130510-05ce1509a4f1
+	github.com/arduino/go-paths-helper v1.3.3
 	github.com/arduino/go-properties-orderedmap v1.4.0
 	github.com/pkg/errors v0.9.1
 	github.com/sourcegraph/jsonrpc2 v0.0.0-20200429184054-15c2290dcb37

go.sum

@@ -14,6 +14,8 @@ github.com/arduino/go-paths-helper v1.0.1/go.mod h1:HpxtKph+g238EJHq4geEPv9p+gl3
 github.com/arduino/go-paths-helper v1.2.0/go.mod h1:HpxtKph+g238EJHq4geEPv9p+gl3v5YYu35Yb+w31Ck=
 github.com/arduino/go-paths-helper v1.3.2 h1:5U9TSKQODiwSVgTxskC0PNl0l0Vf40GUlp99Zy2SK8w=
 github.com/arduino/go-paths-helper v1.3.2/go.mod h1:HpxtKph+g238EJHq4geEPv9p+gl3v5YYu35Yb+w31Ck=
+github.com/arduino/go-paths-helper v1.3.3 h1:r51Mix4GkYqiaF9IuRTtRE3Y/WFA0C47WwG/VZAkbcI=
+github.com/arduino/go-paths-helper v1.3.3/go.mod h1:HpxtKph+g238EJHq4geEPv9p+gl3v5YYu35Yb+w31Ck=
 github.com/arduino/go-properties-orderedmap v1.3.0/go.mod h1:DKjD2VXY/NZmlingh4lSFMEYCVubfeArCsGPGDwb2yk=
 github.com/arduino/go-properties-orderedmap v1.4.0 h1:YEbbzPqm1gXWDM/Jaq8tlvmh09z2qeHPJTUw9/VA4Dk=
 github.com/arduino/go-properties-orderedmap v1.4.0/go.mod h1:DKjD2VXY/NZmlingh4lSFMEYCVubfeArCsGPGDwb2yk=

streams/dumper.go

@@ -34,7 +34,7 @@ func LogReadWriteCloserToFile(upstream io.ReadWriteCloser, file *os.File) io.Rea
 // OpenLogFileAs creates a log file in GlobalLogDirectory.
 func OpenLogFileAs(filename string) *os.File {
 	path := GlobalLogDirectory.Join(filename)
-	res, err := path.Create()
+	res, err := path.Append()
 	if err != nil {
 		log.Fatalf("Error opening log file: %s", err)
 	} else {