updater: Implement deb installer

Author: alvasw

updater/src/main/java/bisq/updater/linux/DebInstaller.java

@@ -0,0 +1,29 @@
+package bisq.updater.linux;
+
+import java.nio.file.Path;
+
+import java.util.List;
+
+import lombok.extern.slf4j.Slf4j;
+
+
+
+import bisq.updater.InstallationFailedException;
+import bisq.updater.linux.pkexec.PkExec;
+
+@Slf4j
+public class DebInstaller {
+    public static void install(Path debFile) {
+        log.info("Installing {}", debFile);
+
+        var cmd = List.of("dpkg", "--install", debFile.toAbsolutePath().toString());
+        Process dpkgProcess = PkExec.run(cmd);
+
+        int exitCode = dpkgProcess.exitValue();
+        if (exitCode != 0) {
+            throw new InstallationFailedException("Deb installation exited with " + exitCode);
+        }
+
+        log.info("Installation finished.");
+    }
+}