Final tweaks for round 1 use.

build.sbt

@@ -28,7 +28,7 @@ lazy val IsRelease: Boolean =
 lazy val Modifier: String =
   if (IsRelease) "" else "-SNAPSHOT"
 
-val DefaultVersion: String = "0.1.2-SNAPSHOT"
+val DefaultVersion: String = "0.1.3-SNAPSHOT"
 
 lazy val SelectedVersion: String =
   InputVersion

src/main/scala/gs/CalVer.scala

@@ -3,11 +3,12 @@ package gs
 import java.time.LocalDate
 import scala.collection.mutable.ListBuffer
 
-/**
-  * Representation of a rendered Calendar Version.
+/** Representation of a rendered Calendar Version.
   *
-  * @param value The version string.
-  * @param pattern The pattern which rendered the version string.
+  * @param value
+  *   The version string.
+  * @param pattern
+  *   The pattern which rendered the version string.
   */
 case class CalVer(
   value: String,
@@ -15,11 +16,13 @@ case class CalVer(
 )
 
 object CalVer {
-  /**
-    * Render the given pattern to a Calendar Version.
+
+  /** Render the given pattern to a Calendar Version.
     *
-    * @param pattern The pattern to render.
-    * @return The rendered CalVer value.
+    * @param pattern
+    *   The pattern to render.
+    * @return
+    *   The rendered CalVer value.
     */
   def render(pattern: Pattern): CalVer = {
     val today = LocalDate.now()
@@ -27,10 +30,10 @@ object CalVer {
       value = pattern.items.map {
         case Left(component) =>
           component match {
-            case Component.YYYY => today.getYear().toString()
-            case Component.MM => today.getMonthValue().toString()
-            case Component.DD => today.getDayOfMonth().toString()
-            case Component.Label(label) => label
+            case Component.YYYY           => today.getYear().toString()
+            case Component.MM             => today.getMonthValue().toString()
+            case Component.DD             => today.getDayOfMonth().toString()
+            case Component.Label(label)   => label
             case Component.GitSha(length) => Git.getSha(length)
           }
         case Right(delimiter) => Delimiter.render(delimiter)
@@ -40,8 +43,8 @@ object CalVer {
   }
 
   object Defaults {
-    /**
-      * Default pattern for release versions.
+
+    /** Default pattern for release versions.
       */
     val ReleasePattern: Pattern =
       Pattern
@@ -54,8 +57,7 @@ object CalVer {
         .addComponent(Component.GitSha(7))
         .build()
 
-    /**
-      * Default pattern for pre-release versions.
+    /** Default pattern for pre-release versions.
       */
     val PreReleasePattern: Pattern =
       Pattern
@@ -65,72 +67,75 @@ object CalVer {
         .addDelimiter(Delimiter.Dot)
         .addComponent(Component.DD)
         .addDelimiter(Delimiter.Hyphen)
+        .addComponent(Component.GitSha(7))
+        .addDelimiter(Delimiter.Hyphen)
         .addComponent(Component.Label("SNAPSHOT"))
         .build()
+
   }
 
   sealed trait Component
 
   object Component {
-    /**
-      * CalVer Component: Year.
+
+    /** CalVer Component: Year.
       */
     case object YYYY extends Component
 
-    /**
-      * CalVer Component: Month (1-12), without a leading zero.
+    /** CalVer Component: Month (1-12), without a leading zero.
       */
     case object MM extends Component
 
-    /**
-      * CalVer Component: Day of Month, without a leading zero.
+    /** CalVer Component: Day of Month, without a leading zero.
       */
     case object DD extends Component
 
-    /**
-      * CalVer Component: Label.
+    /** CalVer Component: Label.
       *
       * This component contains an arbitrary string value.
       *
-      * @param value The value of the label.
+      * @param value
+      *   The value of the label.
       */
     case class Label(value: String) extends Component
 
-    /**
-      * CalVer Component. Git SHA.
+    /** CalVer Component. Git SHA.
       *
       * This component defines the length (first N characters) of the Git SHA to
       * take from the current branch of the current repository. An empty string
       * is used if lookup fails or no commits exist.
       *
-      * @param length The number of characters of the Git SHA to use.
+      * @param length
+      *   The number of characters of the Git SHA to use.
       */
     case class GitSha(length: Int) extends Component
 
     def describe(component: Component): String = component match {
-      case YYYY => "YYYY"
-      case MM => "MM"
-      case DD => "DD"
-      case Label(value) => value
+      case YYYY           => "YYYY"
+      case MM             => "MM"
+      case DD             => "DD"
+      case Label(value)   => value
       case GitSha(length) => s"SHA($length)"
     }
+
   }
 
   sealed abstract class Delimiter(val value: String)
 
   object Delimiter {
-    case object Dot extends Delimiter(".")
-    case object Hyphen extends Delimiter("-")
-    case object Plus extends Delimiter("+")
+    case object Dot        extends Delimiter(".")
+    case object Hyphen     extends Delimiter("-")
+    case object Plus       extends Delimiter("+")
     case object Underscore extends Delimiter("_")
 
     def render(delimiter: Delimiter): String = delimiter.value
   }
 
   final class Pattern private (val items: List[Pattern.Item]) {
+
     lazy val str: String =
       items.map {
-        case Left(component) => Component.describe(component)
+        case Left(component)  => Component.describe(component)
         case Right(delimiter) => Delimiter.render(delimiter)
       }.mkString
 
@@ -159,11 +164,15 @@ object CalVer {
     }
 
     object Builder {
+
       def apply(component: Component): Builder = {
         val b = new Builder()
         b.addComponent(component)
         b
       }
+
     }
+
   }
+
 }

src/main/scala/gs/CalVerKeys.scala

@@ -6,31 +6,30 @@ import sbt._
   */
 object CalVerKeys {
 
-  /** SBT Setting for the calculated CalVer.
+  /** SBT Setting for the calculated CalVer. This can be used as "version".
     */
   lazy val calVer = settingKey[String](
     "Calculated CalVer."
   )
 
-  /**
-    * SBT setting which defines the CalVer pattern used to calculate the final
+  /** SBT setting which defines the CalVer pattern used to calculate the final
     * version. This should not be set manually, please use
-    * `calVerReleasePattern` and `calVerPreReleasePattern`.
+    * `calVerReleasePattern` and `calVerPreReleasePattern`. This pattern is
+    * selected from those values depending on whether this is a release build or
+    * not.
     */
   lazy val calVerPattern = settingKey[CalVer.Pattern](
     "Selected CalVer pattern."
   )
 
-  /**
-    * User-defined SBT setting which defines the CalVer pattern to use for a
+  /** User-defined SBT setting which defines the CalVer pattern to use for a
     * release build.
     */
   lazy val calVerReleasePattern = settingKey[Option[CalVer.Pattern]](
     "Pattern to use for calculating CalVer for release builds."
   )
 
-  /**
-    * User-defined SBT setting which defines the CalVer pattern to use for a
+  /** User-defined SBT setting which defines the CalVer pattern to use for a
     * pre-release build.
     */
   lazy val calVerPreReleasePattern = settingKey[Option[CalVer.Pattern]](

src/main/scala/gs/CalVerPlugin.scala

@@ -9,23 +9,24 @@ object CalVerPlugin extends AutoPlugin {
 
   import autoImport._
 
-  // Perform all version calculations and expose as a variable.
-  lazy val calVerDefaults: Seq[Setting[_]] = {
+  lazy val calVerDefaults: Seq[Setting[_]] =
     Seq(
-      calVerReleasePattern := Some(CalVer.Defaults.ReleasePattern), 
-      calVerPreReleasePattern := Some(CalVer.Defaults.PreReleasePattern),
+      calVerReleasePattern    := Some(CalVer.Defaults.ReleasePattern),
+      calVerPreReleasePattern := Some(CalVer.Defaults.PreReleasePattern)
     )
-  }
 
   override lazy val projectSettings: Seq[Setting[_]] = {
     val isRelease = PluginProperties.isRelease()
 
     Seq(
-      calVerPattern := { if (isRelease) {
-        calVerReleasePattern.value.getOrElse(CalVer.Defaults.ReleasePattern)
-      } else {
-        calVerPreReleasePattern.value.getOrElse(CalVer.Defaults.PreReleasePattern)
-      }},
+      calVerPattern := {
+        if (isRelease)
+          calVerReleasePattern.value.getOrElse(CalVer.Defaults.ReleasePattern)
+        else
+          calVerPreReleasePattern.value.getOrElse(
+            CalVer.Defaults.PreReleasePattern
+          )
+      },
       calVer := CalVer.render(calVerPattern.value).value,
       calVerInfo := {
         val log = Keys.streams.value.log
@@ -37,9 +38,4 @@ object CalVerPlugin extends AutoPlugin {
 
   // Automatically exposed globally.
   override lazy val globalSettings: Seq[Setting[_]] = calVerDefaults
-
-  // Add the custom task.
-  override lazy val buildSettings: Seq[Setting[_]] = Seq(
-  )
-
 }

src/main/scala/gs/Git.scala

@@ -1,12 +1,14 @@
 package gs
 
 object Git {
-  /**
-    * Get the latest SHA. If there are no commits on this branch, the empty
+
+  /** Get the latest SHA. If there are no commits on this branch, the empty
     * string will be returned.
     *
-    * @param length The number of characters to take from the SHA.
-    * @return The latest SHA.
+    * @param length
+    *   The number of characters to take from the SHA.
+    * @return
+    *   The latest SHA.
     */
   def getSha(length: Int): String = {
     val result = os
@@ -26,4 +28,5 @@ object Git {
     else
       ""
   }
+
 }

src/main/scala/gs/PluginProperties.scala

@@ -30,8 +30,8 @@ object PluginProperties {
     val ReleaseProperty: String = "release"
 
     /** The value of `-Drelease=<true|false>`, parsed and validated.
-     *
-     *  If no value is specified, `false` is assumed.
+      *
+      * If no value is specified, `false` is assumed.
       *
       * @return
       *   The `release` setting passed as input to SBT.
@@ -41,4 +41,5 @@ object PluginProperties {
         ReleaseProperty,
         raw => Try(raw.toBoolean).getOrElse(false)
       ).getOrElse(false)
+
 }