Do not trigger BomSbtPlugin automatically

README.md

@@ -26,6 +26,27 @@ Add the plugin dependency to the file `project/plugins.sbt` using `addSbtPlugin`
 `addSbtPlugin("com.github.sbt" %% "sbt-sbom" % "0.5.0")`
 
 Note that the minimum supported version of sbt is 1.6.0 (this is what the [scripted](https://www.scala-sbt.org/1.x/docs/Testing-sbt-plugins.html#scripted+test+framework) tests target)
+
+### enable plugin
+
+To enable the plugin, add `enablePlugins(SbomPlugin)` to your `build.sbt` file:
+
+#### single module project
+
+```scala
+enablePlugins(SbomPlugin)
+```
+
+#### multi module project
+
+```scala
+lazy val someModule = (project in file("some-module"))
+  .settings(
+    name := "myArtifact",
+    version := "1.0",
+  )
+  .enablePlugins(SbomPlugin)
+```
 
 ### BOM creation
 

src/main/scala/com/github/sbt/sbom/BomSbtPlugin.scala

@@ -19,7 +19,7 @@ object BomSbtPlugin extends AutoPlugin {
 
   override def requires: Plugins = JvmPlugin
 
-  override def trigger: PluginTrigger = allRequirements
+  override def trigger: PluginTrigger = NoTrigger
 
   object autoImport {
     lazy val bomFileName: SettingKey[String] = settingKey[String]("bom file name")

src/sbt-test/bomfile/bomname/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/bomfile/exists/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "exists",
     version := "0.1",

src/sbt-test/dependencies/compile/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/dependencies/compileNoTree/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/dependencies/integrationTest/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/dependencies/test/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/dependenciesJson/compile/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     organization := "organization",

src/sbt-test/dependenciesJson/compileNoTree/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/dependenciesJson/integrationTest/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/dependenciesJson/test/build.sbt

@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MIT
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",

src/sbt-test/schemaVersion/unsupported/build.sbt

@@ -5,6 +5,7 @@
 import sbt.Keys._
 
 lazy val root = (project in file("."))
+  .enablePlugins(BomSbtPlugin)
   .settings(
     name := "dependencies",
     version := "0.1",