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|
package system
import (
"context"
"errors"
"strings"
"github.com/goss-org/goss/util"
)
type DebPackage struct {
name string
versions []string
loaded bool
installed bool
}
func NewDebPackage(_ context.Context, name string, system *System, config util.Config) Package {
return &DebPackage{name: name}
}
func (p *DebPackage) setup() {
if p.loaded {
return
}
p.loaded = true
cmd := util.NewCommand("dpkg-query", "-f", "${Status} ${Version}\n", "-W", p.name)
if err := cmd.Run(); err != nil {
return
}
for _, l := range strings.Split(strings.TrimSpace(cmd.Stdout.String()), "\n") {
if !(strings.HasPrefix(l, "install ok installed") || strings.HasPrefix(l, "hold ok installed")) {
continue
}
ver := strings.Fields(l)[3]
p.versions = append(p.versions, ver)
}
if len(p.versions) > 0 {
p.installed = true
}
}
func (p *DebPackage) Name() string {
return p.name
}
func (p *DebPackage) Exists() (bool, error) { return p.Installed() }
func (p *DebPackage) Installed() (bool, error) {
p.setup()
return p.installed, nil
}
func (p *DebPackage) Versions() ([]string, error) {
p.setup()
if len(p.versions) == 0 {
return p.versions, errors.New("Package version not found")
}
return p.versions, nil
}
|
