stacktrace: unescape pack after splitting

stacktrace.go

@@ -9,6 +9,7 @@ import (
 	"bytes"
 	"go/build"
 	"io/ioutil"
+	"net/url"
 	"path/filepath"
 	"runtime"
 	"strings"
@@ -188,6 +189,10 @@ func splitFunctionName(name string) (string, string) {
 		name = name[pos+1:]
 	}
 
+	if p, err := url.QueryUnescape(pack); err == nil {
+		pack = p
+	}
+
 	return pack, name
 }
 

stacktrace_test.go

@@ -61,6 +61,7 @@ func TestSplitFunctionName(t *testing.T) {
 		{"cmd/main.main.func1.1.1", "cmd/main", "main.func1.1.1"},
 		{"cmd/main.(*T).Do", "cmd/main", "(*T).Do"},
 		{"cmd/main.*T.Do", "cmd/main", "*T.Do"},
+		{`github.com/getsentry/dot%2epackage.*T.Do`, "github.com/getsentry/dot.package", "*T.Do"},
 	}
 
 	for _, test := range tests {
@@ -93,7 +94,7 @@ func TestStacktrace(t *testing.T) {
 	if f.Module != thisPackage {
 		t.Error("incorrect Module:", f.Module)
 	}
-	if f.Lineno != 121 {
+	if f.Lineno != 122 {
 		t.Error("incorrect Lineno:", f.Lineno)
 	}
 	if f.ContextLine != "\treturn NewStacktrace(0, 2, []string{thisPackage})" {