feat: Attempt to fix FfmegSpec when missing inkscape

scala/ammonite-by-example/src/main/scala/com/skraba/byexample/scala/ammonite/video/Card.scala

@@ -37,7 +37,7 @@ case class Card(
   /** The title card in PNG format. */
   val png: FileMaker = maker
     .green(dstPath = dirPng / (filename + ".png"), tag = "png") {
-      Ffmpeg().osProc("inkscape", "-w", "1920", "-h", "1080", svg.dst.get, "--export-filename", _)
+      Ffmpeg().osProc(Card.Inkscape, "-w", "1920", "-h", "1080", svg.dst.get, "--export-filename", _)
     }
 
   private lazy val mp4Cache = collection.mutable.Map[Int, FileMaker]()
@@ -53,6 +53,9 @@ case class Card(
 
 object Card {
 
+  /** The command to call to run the Inkscape CLI. */
+  val Inkscape: String = "inkscape"
+
   /** Given a template string, searches and replaces some lines in the template.
     *
     * The tags in the template look like `[[TAG4.3]]` where the first digit is the total number of lines that were found

scala/ammonite-by-example/src/test/scala/com/skraba/byexample/scala/ammonite/video/FfmpegSpec.scala

@@ -1,6 +1,7 @@
 package com.skraba.byexample.scala.ammonite.video
 
 import com.skraba.byexample.scala.ammonite.OsPathScalaRelectIOConverters._
+import com.skraba.byexample.scala.ammonite.video.Card.Inkscape
 import org.scalactic.source.Position
 import org.scalatest.{BeforeAndAfterAll, Tag}
 import org.scalatest.funspec.AnyFunSpecLike
@@ -79,7 +80,7 @@ class FfmpegSpec extends AnyFunSpecLike with BeforeAndAfterAll with Matchers {
     /** Determine if the tests should be run or not. */
     val enabled: Boolean = {
       import scala.sys.process._
-      try { "ffmpeg -version".! == 0 && "ffprobe -version".! == 0 && "inkscape --version".! == 0 }
+      try { "ffmpeg -version".! == 0 && "ffprobe -version".! == 0 && s"$Inkscape --version".! == 0 }
       catch { case _: Exception => false }
     }
     override def apply(specText: String, testTags: Tag*)(testFun: => Any)(implicit pos: Position): Unit = {

scala/scalatags-by-example/src/main/scala/com/skraba/byexample/scalatags/countdown/CountdownTask.scala

@@ -60,6 +60,12 @@ object CountdownTask {
 
   val Description = "Generate a countdown timer from a template."
 
+  /** The command to run Inkscape on the CLI */
+  private val Inkscape: String = "inkscape"
+
+  /** The command to run Ffmeg on the CLI */
+  private val Ffmeg: String = "ffmeg"
+
   /** Represents the countdown video.
     *
     * @param src
@@ -105,7 +111,7 @@ object CountdownTask {
     private lazy val execCache = collection.mutable.Map[String, File]()
 
     private def execInkscape(f: Int, src: String, dst: String): Unit = {
-      Seq("inkscape", "-w", dx.toString, "-h", dy.toString, src, "--export-filename", dst).!!
+      Seq(Inkscape, "-w", dx.toString, "-h", dy.toString, src, "--export-filename", dst).!!
       if ((f + 1) % frameRate == 0) {
         if (f / frameRate % 10 == 0) print(f / frameRate)
         else print("x")
@@ -115,7 +121,7 @@ object CountdownTask {
     private def execFfmpeg(dst: File): Unit = {
       println(".")
       Seq(
-        "ffmpeg",
+        Ffmeg,
         "-y",
         "-framerate",
         frameRate.toString,
@@ -236,7 +242,7 @@ object CountdownTask {
   case class XmlFrame(v: Video, num: Int) {
     val dst: File = (v.dstDir / (v.src.stripExtension + f".$num%05d" + "." + v.src.extension)).toFile
 
-    def find(in: Node, key: String, pre: String = "inkscape"): Option[String] =
+    def find(in: Node, key: String, pre: String = Inkscape): Option[String] =
       in.attributes.collectFirst { case p: PrefixedAttribute if p.pre == pre && p.key == key => p }.map(_.toString)
 
     def replaceLayer(in: Node, layerName: String)(thunk: Node => Option[Node]): Node = in match {