/
get.go
64 lines (52 loc) · 1.32 KB
/
get.go
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package deps
import (
"fmt"
"os"
"os/exec"
"strings"
"github.com/glojurelang/glojure/internal/genpkg"
)
// Get gets the dependencies for the given package and generates a
// package map for any go dependencies.
func (d *Deps) Get() error {
packages := make([]string, 0, len(d.Deps))
for dep, depMap := range d.Deps {
version, ok := depMap["version"]
if !ok {
version = "latest"
}
if err := getDep(dep, version); err != nil {
return err
}
packages = append(packages, dep)
}
if err := os.MkdirAll("./glj/gljimports", 0755); err != nil {
return err
}
f, err := os.Create("./glj/gljimports/gljimports.go")
if err != nil {
return err
}
genpkg.GenPkgs(packages, genpkg.WithWriter(f))
return nil
}
func getDep(dep, version string) error {
out, err := exec.Command("go", "list", "-f", "{{.Module}}", dep).Output()
if err == nil {
// do we already have the right version?
parts := strings.Split(string(out), " ")
if len(parts) == 2 {
curVersion := strings.TrimSpace(parts[1])
if curVersion == version {
// already installed with desired version
return nil
}
}
}
// go get <dep>@<version>
cmd := exec.Command("go", "get", dep+"@"+version)
if out, err := cmd.CombinedOutput(); err != nil {
return fmt.Errorf("failed to `go get %s@%s`: %w\n%s", dep, version, err, out)
}
return nil
}