cli/delete-cache: Use parallelized version of filepath.Walk

Keeps the same API usage, just faster.

Resolves #89.

solbuild dc -s ('41.8 GiB')

Before : 0m15.849s (uncached) | 0m6.241s (cached)
After  : 0m2.134s (uncached)  | 0m0.585s (cached)

cli/delete_cache.go

@@ -21,13 +21,14 @@ import (
 	"log/slog"
 	"math"
 	"os"
-	"path/filepath"
 
 	"github.com/DataDrake/cli-ng/v2/cmd"
 
 	"github.com/getsolus/solbuild/builder"
 	"github.com/getsolus/solbuild/builder/source"
 	"github.com/getsolus/solbuild/cli/log"
+
+	"github.com/MichaelTJones/walk"
 )
 
 func init() {
@@ -161,7 +162,7 @@ func getDirSize(path string) (int64, error) {
 	}
 
 	// Walk the dir, get size, add to totalSize
-	err = filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
+	err = walk.Walk(path, func(_ string, info os.FileInfo, err error) error {
 		if err != nil {
 			return err
 		}

go.mod

@@ -18,6 +18,7 @@ require (
 
 require (
 	dario.cat/mergo v1.0.0 // indirect
+	github.com/MichaelTJones/walk v0.0.0-20161122175330-4748e29d5718 // indirect
 	github.com/Microsoft/go-winio v0.6.1 // indirect
 	github.com/ProtonMail/go-crypto v0.0.0-20230828082145-3c4c8a2d2371 // indirect
 	github.com/VividCortex/ewma v1.2.0 // indirect

go.sum

@@ -4,6 +4,8 @@ github.com/BurntSushi/toml v1.3.2 h1:o7IhLm0Msx3BaB+n3Ag7L8EVlByGnpq14C4YWiu/gL8
 github.com/BurntSushi/toml v1.3.2/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
 github.com/DataDrake/cli-ng/v2 v2.0.2 h1:7+25l25VmlERCE95glW6QKBUF13vxqAM2jasFiN02xQ=
 github.com/DataDrake/cli-ng/v2 v2.0.2/go.mod h1:bU9YaNNWWVq0eIdDsU3TCe9+7Jb398iBBoqee5EiKWQ=
+github.com/MichaelTJones/walk v0.0.0-20161122175330-4748e29d5718 h1:FSsoaa1q4jAaeiAUxf9H0PgFP7eA/UL6c3PdJH+nMN4=
+github.com/MichaelTJones/walk v0.0.0-20161122175330-4748e29d5718/go.mod h1:VVwKsx9Dc8rNG55BWqogoJzGubjKnRoXdUvpGbWqeCc=
 github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
 github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
 github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=