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build.go
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build.go
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package command
import (
"fmt"
"os"
"path/filepath"
"github.com/raviqqe/lazy-ein/command/build"
"github.com/raviqqe/lazy-ein/command/debug"
"github.com/spf13/cobra"
)
var buildCommand = cobra.Command{
Use: "build <filename>",
Short: "Build a source file into a binary",
Args: cobra.ExactArgs(1),
Run: func(_ *cobra.Command, as []string) {
if err := runBuildCommand(as[0]); err != nil {
fmt.Fprintln(os.Stderr, err)
if err, ok := err.(debug.Error); ok {
fmt.Fprintln(os.Stderr, err.DebugInformation())
}
os.Exit(1)
}
},
}
func runBuildCommand(f string) error {
runtime, err := getRuntimePath()
if err != nil {
return err
}
root, err := getModulesRootPath()
if err != nil {
return err
}
c, err := getCacheDirectory()
if err != nil {
return err
}
return build.Build(f, runtime, root, c)
}
func getCacheDirectory() (string, error) {
d, err := os.UserCacheDir()
if err != nil {
return "", err
}
d = filepath.Join(d, "ein-lang")
if err := os.MkdirAll(d, 0755); err != nil {
return "", err
}
return d, nil
}