pkgconfig.go RawHistoryFolder

1package deps
2
3import (
4	"context"
5	"os/exec"
6	"strings"
7
8	"github.com/bnema/dumber/internal/application/port"
9)
10
11// PkgConfigProbe uses pkg-config to query module versions.
12type PkgConfigProbe struct{}
13
14func NewPkgConfigProbe() *PkgConfigProbe {
15	return &PkgConfigProbe{}
16}
17
18func (p *PkgConfigProbe) PkgConfigModVersion(ctx context.Context, pkgName, prefix string) (string, error) {
19	if p == nil {
20		return "", &port.PkgConfigError{
21			Kind:    port.PkgConfigErrorKindCommandMissing,
22			Package: pkgName,
23			Err:     port.ErrPkgConfigMissing,
24		}
25	}
26	pc, err := exec.LookPath("pkg-config")
27	if err != nil {
28		return "", &port.PkgConfigError{
29			Kind:    port.PkgConfigErrorKindCommandMissing,
30			Package: pkgName,
31			Err:     port.ErrPkgConfigMissing,
32		}
33	}
34
35	cmd := exec.CommandContext(ctx, pc, "--modversion", pkgName)
36	cmd.Env = CommandEnvWithPrefix(prefix)
37
38	out, err := cmd.CombinedOutput()
39	if err != nil {
40		output := strings.TrimSpace(string(out))
41		return "", &port.PkgConfigError{
42			Kind:    port.PkgConfigErrorKindPackageMissing,
43			Package: pkgName,
44			Output:  output,
45			Err:     port.ErrPkgConfigPackageMissing,
46		}
47	}
48
49	return string(out), nil
50}