1
0
forked from wrenn/wrenn
Files
wrenn-releases/internal/sandbox/chversion.go
Rafeed M. Bhuiyan 05ddf62399 v0.2.0 (#50)
Co-authored-by: Tasnim Kabir Sadik <tksadik@omukk.dev>

Reviewed-on: wrenn/wrenn#50
2026-05-24 21:10:37 +00:00

29 lines
745 B
Go

package sandbox
import (
"fmt"
"os/exec"
"strings"
)
// DetectCHVersion runs the cloud-hypervisor binary with --version and
// parses the semver from the output (e.g. "cloud-hypervisor v43.0" → "43.0").
func DetectCHVersion(binaryPath string) (string, error) {
out, err := exec.Command(binaryPath, "--version").Output()
if err != nil {
return "", fmt.Errorf("run %s --version: %w", binaryPath, err)
}
line := strings.TrimSpace(string(out))
for field := range strings.FieldsSeq(line) {
v := strings.TrimPrefix(field, "v")
if v != field || strings.Contains(field, ".") {
if strings.Count(v, ".") >= 1 {
return v, nil
}
}
}
return "", fmt.Errorf("could not parse version from cloud-hypervisor output: %q", line)
}