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get_packages.go
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/
get_packages.go
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package packages
import (
"fmt"
"go/build"
"io"
"github.com/fdaines/arch-go/internal/model"
"golang.org/x/tools/go/packages"
)
func GetBasicPackagesInfo(mainPackage string, out io.Writer, printInfo bool) ([]*model.PackageInfo, error) {
var packagesInfo []*model.PackageInfo
context := build.Default
pkgs, err := getPackages(mainPackage, out, printInfo)
if err != nil {
return nil, fmt.Errorf("Error: %v\n", err)
} else {
for index, packageName := range pkgs {
if printInfo {
fmt.Fprintf(out, "Loading package (%d/%d): %s\n", index+1, len(pkgs), packageName)
}
pkg, errX := context.Import(packageName, "", 0)
if errX == nil {
packagesInfo = append(packagesInfo, &model.PackageInfo{
PackageData: pkg,
Name: pkg.Name,
Path: pkg.ImportPath,
})
}
}
}
return packagesInfo, nil
}
func getPackages(mainPackage string, out io.Writer, printInfo bool) ([]string, error) {
if printInfo {
fmt.Fprint(out, "Looking for packages.\n")
}
pkgs, err := packages.Load(&packages.Config{Tests: false}, mainPackage+"/...")
if err != nil {
return nil, fmt.Errorf("Cannot load module packages: %+v", err)
}
var packages []string
for _, pkg := range pkgs {
packages = append(packages, pkg.PkgPath)
}
if printInfo {
fmt.Fprintf(out, "%v packages found...\n", len(packages))
}
return packages, nil
}