Add demo for `report dependenton`

demos/main.go

@@ -24,6 +24,8 @@ func main() {
 	d.Add(reportAdvisories(), "demo-reportAdvisories", "")
 	d.Add(reportLicenses(), "demo-reportLicenses", "")
 
+	d.Add(reportDependenton(), "demo-reportDependenton", "")
+
 	d.Run()
 }
 
@@ -378,3 +380,40 @@ func generatePolicyViolations() *demo.Run {
 
 	return r
 }
+
+func reportDependenton() *demo.Run {
+	r := demo.NewRun(
+		"Report usage of a given dependency",
+		"Report usage of a given dependency, and optionally the specific version in use, across all known projects in the database.",
+	)
+
+	r.Step(demo.S(
+		"Report usage of a given dependency",
+		"The use of package-manager=golang targets SBOM-derived data",
+	), demo.S(
+		"dmd report dependenton --db dmd.db --package-manager=golang --package-name=golang.org/x/oauth2",
+	))
+
+	r.Step(demo.S(
+		"Report usage of a given dependency, at a specific `version`",
+		"The use of package-manager=gomod targets Renovate-derived data",
+	), demo.S(
+		"dmd report dependenton --db dmd.db --package-manager=gomod --package-name=golang.org/x/oauth2 --package-version v0.8.0",
+	))
+
+	r.Step(demo.S(
+		"Report usage of a given dependency, at a specific `version`",
+		"Note that the `version` must match the exact value in the DB",
+	), demo.S(
+		"dmd report dependenton --db dmd.db --package-manager=npm --package-name=@jamietanna/spectral-test-harness --package-version '^0.3.0'",
+	))
+
+	r.Step(demo.S(
+		"Report usage of a given dependency, at a specific `current_version`",
+		"Note that the `current_version` must match the exact value in the DB",
+	), demo.S(
+		"dmd report dependenton --db dmd.db --package-manager=npm --package-name=@jamietanna/spectral-test-harness --package-current-version '0.3.0'",
+	))
+
+	return r
+}