feat: add BeamVM Hex support (#1073)

* feat: initial commit providing mix support

Signed-off-by: cpendery <cpendery@vt.edu>

* feat: add rebar parser

Signed-off-by: cpendery <cpendery@vt.edu>

* fix: add beam/hex everywhere else required for Syft runtime

Signed-off-by: cpendery <cpendery@vt.edu>

* style: fix lints

Signed-off-by: cpendery <cpendery@vt.edu>

* ci: fix failing tests

Signed-off-by: cpendery <cpendery@vt.edu>

* docs: update with new supported languages

Signed-off-by: cpendery <cpendery@vt.edu>

* chore: update elixir/erlang catalogers to generic cataloger

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

Signed-off-by: cpendery <cpendery@vt.edu>
Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
Co-authored-by: Alex Goodman <alex.goodman@anchore.com>

syft/formats/common/spdxhelpers/source_info.go

@@ -43,6 +43,8 @@ func SourceInfo(p pkg.Package) string {
 		answer = "acquired package info from portage DB"
 	case pkg.HackagePkg:
 		answer = "acquired package info from cabal or stack manifest files"
+	case pkg.HexPkg:
+		answer = "acquired package info from rebar3 or mix manifest file"
 	default:
 		answer = "acquired package info from the following paths"
 	}

syft/formats/common/spdxhelpers/source_info_test.go

@@ -191,6 +191,14 @@ func Test_SourceInfo(t *testing.T) {
 				"acquired package info from the following paths",
 			},
 		},
+		{
+			input: pkg.Package{
+				Type: pkg.HexPkg,
+			},
+			expected: []string{
+				"from rebar3 or mix manifest file",
+			},
+		},
 	}
 	var pkgTypes []pkg.Type
 	for _, test := range tests {