Add a homebrew cataloger (#3724)

* Cataloger homebrew (#4)

* homebrew cataloger

* uptd

* fixed test

* fixed test

* fixed tests

* fixed lint

* inc schema ver

* upt schema

* fixed integration test

* fixed integration tst

* fixed test

Signed-off-by: Rez Moss <hi@rezmoss.com>

* Update parse_homebrew_test.go

Signed-off-by: Rez Moss <hi@rezmoss.com>

* Update parse_homebrew_test.go

fixed DCO

Signed-off-by: Rez Moss <hi@rezmoss.com>



Signed-off-by: Rez Moss <hi@rezmoss.com>

* Update parse_homebrew_test.go

add evd anno to test

Signed-off-by: Rez Moss <hi@rezmoss.com>

* lint

Signed-off-by: Rez Moss <hi@rezmoss.com>

* fixed test

Signed-off-by: Rez Moss <hi@rezmoss.com>

* with PR refactors

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* regenerate json schema

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* fix tests

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* regenerate jsonschema

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* refactor homebrew parser + add tests

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

* more resiliant variable extraction

Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>

---------

Signed-off-by: Rez Moss <hi@rezmoss.com>
Signed-off-by: Alex Goodman <wagoodman@users.noreply.github.com>
Co-authored-by: Alex Goodman <wagoodman@users.noreply.github.com>

syft/pkg/type.go

@@ -48,6 +48,7 @@ const (
 	SwiplPackPkg            Type = "swiplpack"
 	TerraformPkg            Type = "terraform"
 	WordpressPluginPkg      Type = "wordpress-plugin"
+	HomebrewPkg             Type = "homebrew"
 )
 
 // AllPkgs represents all supported package types
@@ -90,6 +91,7 @@ var AllPkgs = []Type{
 	SwiplPackPkg,
 	TerraformPkg,
 	WordpressPluginPkg,
+	HomebrewPkg,
 }
 
 // PackageURLType returns the PURL package type for the current package.
@@ -162,6 +164,8 @@ func (t Type) PackageURLType() string {
 		return "terraform"
 	case WordpressPluginPkg:
 		return "wordpress-plugin"
+	case HomebrewPkg:
+		return "homebrew"
 	default:
 		// TODO: should this be a "generic" purl type instead?
 		return ""
@@ -246,6 +250,8 @@ func TypeByName(name string) Type {
 		return TerraformPkg
 	case "wordpress-plugin":
 		return WordpressPluginPkg
+	case "homebrew":
+		return HomebrewPkg
 	default:
 		return UnknownPkg
 	}