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feat: retain go package info when no module declared (#1632)

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Signed-off-by: Weston Steimel <weston.steimel@anchore.com>
This commit is contained in:
Weston Steimel 2023-03-01 14:26:44 +00:00 committed by GitHub
parent f1169e56fc
commit bcc0751a40
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 53 additions and 3 deletions
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14
syft/pkg/cataloger/golang/parse_go_binary.go
View File

@ -179,12 +179,23 @@ func getBuildSettings(settings []debug.BuildSetting) map[string]string {
return m return m
} }
func createMainModuleFromPath(path string) (mod debug.Module) {
mod.Path = path
mod.Version = devel
return
}
func buildGoPkgInfo(location source.Location, mod *debug.BuildInfo, arch string) []pkg.Package { func buildGoPkgInfo(location source.Location, mod *debug.BuildInfo, arch string) []pkg.Package {
var pkgs []pkg.Package var pkgs []pkg.Package
if mod == nil { if mod == nil {
return pkgs return pkgs
} }
var empty debug.Module
if mod.Main == empty && mod.Path != "" {
mod.Main = createMainModuleFromPath(mod.Path)
}
for _, dep := range mod.Deps { for _, dep := range mod.Deps {
if dep == nil { if dep == nil {
continue continue
@ -195,9 +206,6 @@ func buildGoPkgInfo(location source.Location, mod *debug.BuildInfo, arch string)
} }
} }
// NOTE(jonasagx): this use happened originally while creating unit tests. It might never
// happen in the wild, but I kept it as a safeguard against empty modules.
var empty debug.Module
if mod.Main == empty { if mod.Main == empty {
return pkgs return pkgs
} }

42
syft/pkg/cataloger/golang/parse_go_binary_test.go
View File

@ -242,6 +242,48 @@ func TestBuildGoPkgInfo(t *testing.T) {
}, },
}, },
}, },
{
name: "parse a mod with path but no main module",
arch: archDetails,
mod: &debug.BuildInfo{
GoVersion: goCompiledVersion,
Settings: []debug.BuildSetting{
{Key: "GOARCH", Value: archDetails},
{Key: "GOOS", Value: "darwin"},
{Key: "GOAMD64", Value: "v1"},
},
Path: "github.com/a/b/c",
},
expected: []pkg.Package{
{
Name: "github.com/a/b/c",
Version: "(devel)",
PURL: "pkg:golang/github.com/a/b/c@(devel)",
Language: pkg.Go,
Type: pkg.GoModulePkg,
Locations: source.NewLocationSet(
source.Location{
Coordinates: source.Coordinates{
RealPath: "/a-path",
FileSystemID: "layer-id",
},
},
),
MetadataType: pkg.GolangBinMetadataType,
Metadata: pkg.GolangBinMetadata{
GoCompiledVersion: goCompiledVersion,
Architecture: archDetails,
H1Digest: "",
BuildSettings: map[string]string{
"GOAMD64": "v1",
"GOARCH": "amd64",
"GOOS": "darwin",
},
MainModule: "github.com/a/b/c",
},
},
},
},
{ {
name: "parse a mod without packages", name: "parse a mod without packages",
arch: archDetails, arch: archDetails,