use continue_dashcam for dashcam installer

selfdrive/ui/SConscript

@@ -78,7 +78,8 @@ if arch != 'aarch64' and GetOption('setup'):
     ("dashcam_test", "dashcam3-staging"),
   ]
   for name, branch in installers:
-    d = {'BRANCH': f"'\"{branch}\"'"}
+    brand = "dashcam" if "dashcam" in branch else "openpilot"
+    d = {'BRANCH': f"'\"{branch}\"'", 'CONTINUE_SRC_PATH': f"'\"installer/continue_{brand}.sh\"'"}
     if "internal" in name:
       d['INTERNAL'] = "1"
 

selfdrive/ui/qt/setup/installer.cc

@@ -182,7 +182,7 @@ void Installer::cloneFinished(int exitCode, QProcess::ExitStatus exitStatus) {
 #endif
 
   // write continue.sh
-  run("cp /data/openpilot/installer/continue_openpilot.sh /data/continue.sh.new");
+  run("cp " INSTALL_PATH "/" CONTINUE_SRC_PATH " /data/continue.sh.new");
   run("chmod +x /data/continue.sh.new");
   run("mv /data/continue.sh.new " CONTINUE_PATH);