Use filepath, not path, for OS compatibility

clean.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"go/build"
 	"os"
-	"path"
 	"path/filepath"
 	"strings"
 )
@@ -41,7 +40,7 @@ func clean(pkgs []string) {
 
 	resolve("", pkgs)
 
-	base := path.Join(toolDirPath, "src")
+	base := filepath.Join(toolDirPath, "src")
 
 	// Resolve any symlinks in the packages to keep, because we're going
 	// to walk through the file system, so we need to trim stuff by

do.go

@@ -3,13 +3,13 @@ package main
 import (
 	"os"
 	"os/exec"
-	"path"
+	"path/filepath"
 	"strings"
 )
 
 func setPath() (unset func()) {
 	prevpath := os.Getenv("PATH")
-	newPath := path.Join(toolDirPath, "bin") + ":" + prevpath
+	newPath := filepath.Join(toolDirPath, "bin") + string(os.PathListSeparator) + prevpath
 	_ = os.Setenv("PATH", newPath)
 	return func() {
 		_ = os.Setenv("PATH", prevpath)

main.go

@@ -8,7 +8,7 @@ import (
 	"path/filepath"
 )
 
-const version = "v1.0.1"
+const version = "v1.0.3"
 
 var cacheDir = ""
 

tool.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"os"
 	"os/exec"
-	"path"
 	"path/filepath"
 	"strings"
 
@@ -19,11 +18,11 @@ type tool struct {
 }
 
 func (t *tool) path() string {
-	return path.Join(cacheDir, "src", t.Repository)
+	return filepath.Join(cacheDir, "src", t.Repository)
 }
 
 func (t *tool) executable() string {
-	return path.Base(t.Repository)
+	return filepath.Base(t.Repository)
 }
 
 func setEnvVar(cmd *exec.Cmd, key, val string) {