1 files changed, 36 insertions, 0 deletions
diff --git a/src/main/scala/Gpg.scala b/src/main/scala/Gpg.scala
new file mode 100644
index 0000000..cde4dba
--- /dev/null
+++ b/src/main/scala/Gpg.scala
@@ -0,0 +1,36 @@
+package io.crashbox.gpg
+
+import java.io.File
+
+import scala.util.control.NonFatal
+import sys.process._
+
+class Gpg(
+    command: String,
+    options: Seq[String] = Seq.empty,
+    keyId: Option[String] = None)(log: String => Unit = System.err.println) {
+
+  def run(params: String*): Int =
+    try {
+      val idOption = keyId.toSeq.flatMap(id => Seq("--local-user", id))
+      val process = Process(command, options ++ idOption ++ params).run()
+      process.exitValue()
+    } catch {
+      case NonFatal(ex) =>
+        log(ex.getMessage)
+        127
+    }
+
+  def sign(file: File): Option[File] = {
+    val out = new File(file.getAbsolutePath + ".asc")
+    run("--armor",
+        "--output",
+        out.getAbsolutePath,
+        "--detach-sign",
+        file.getAbsolutePath) match {
+      case 0 => Some(out)
+      case _ => None
+    }
+  }
+
+}