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utils.go
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/
utils.go
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package main
import (
"fmt"
"io"
"os"
"path/filepath"
"runtime"
"github.com/pkg/errors"
)
func binaryWithExt(name string) string {
if runtime.GOOS == "windows" {
return fmt.Sprintf("%s.exe", name)
}
return name
}
func copy(srcPath, dstPath string) error {
if err := os.MkdirAll(filepath.Dir(dstPath), os.ModeDir|0o755); err != nil {
return err
}
src, err := os.Open(srcPath)
if err != nil {
return err
}
defer src.Close()
dst, err := os.Create(dstPath)
if err != nil {
return err
}
defer dst.Close()
_, err = io.Copy(dst, src)
return err
}
func set[S ~[]E, E comparable](s S) map[E]bool {
m := make(map[E]bool)
for _, v := range s {
m[v] = true
}
return m
}
// Check if the user is on an arm system
func onArm() bool {
return runtime.GOARCH == "arm64"
}
// Check if the user is on a windows system
func onWindows() bool {
return runtime.GOOS == "windows"
}
// Validates that arg is one of validArgs.
// Returns nil if arg is valid, error otherwise.
func validateArg(arg string, validArgs []string) error {
valid := false
for _, validArg := range validArgs {
if arg == validArg {
valid = true
break
}
}
if !valid {
return errors.Errorf("invalid argument: %s, expected one of: %s", arg, validArgs)
}
return nil
}
func getEnvWithDefault(key string, defValue string) string {
value, exists := os.LookupEnv(key)
if !exists {
value = defValue
}
return value
}