buildinfo: fix parsing when windows paths are used

internal/buildinfo/parse.go

@@ -23,11 +23,12 @@ func Parse(info string) ([]model.BuildInfo, error) {
 
 		// start of new build info output
 		if !strings.HasPrefix(l, "\t") {
-			parts := strings.SplitN(l, ":", 2)
-			if len(parts) != 2 {
+			parts := strings.Split(l, ":")
+			if len(parts) < 2 {
 				return nil, fmt.Errorf("invalid version line: %s", l)
 			}
-			version := strings.TrimSpace(parts[1])
+			version := strings.TrimSpace(parts[len(parts)-1])
+			path := strings.Join(parts[:len(parts)-1], ":")
 			switch {
 			case version == "not executable file":
 				return nil, fmt.Errorf("%s is not an executable", parts[0])
@@ -43,7 +44,7 @@ func Parse(info string) ([]model.BuildInfo, error) {
 			if current.Path != "" {
 				results = append(results, current)
 			}
-			current = model.BuildInfo{Path: parts[0]}
+			current = model.BuildInfo{Path: path}
 			continue
 		}
 

internal/buildinfo/parse_test.go

@@ -95,6 +95,27 @@ func TestParse(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "windows basic single binary input",
+			input: `C:\lichen.exe: go1.14.4
+	path	github.com/uw-labs/lichen
+	mod	github.com/uw-labs/lichen	(devel)	
+	dep	github.com/cpuguy83/go-md2man/v2	v2.0.0-20190314233015-f79a8a8ca69d	h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
+`,
+			expected: []model.BuildInfo{
+				{
+					Path:        `C:\lichen.exe`,
+					PackagePath: "github.com/uw-labs/lichen",
+					ModulePath:  "github.com/uw-labs/lichen",
+					ModuleRefs: []model.ModuleReference{
+						{
+							Path:    "github.com/cpuguy83/go-md2man/v2",
+							Version: "v2.0.0-20190314233015-f79a8a8ca69d",
+						},
+					},
+				},
+			},
+		},
 		{
 			name:        "not executable file",
 			input:       `/tmp/lichen: not executable file`,