Update Debian package to "conflict" with cmdtest

The `cmdtest` package also installs a `yarn` command, and people often get confused by this (see #2821). If we specify that the Yarn package conflicts with the cmdtest package, installing Yarn will automatically uninstall cmdtest.
yarnpkg · May 28, 2018 · 61b1dfe · 61b1dfe
1 parent ec7e671
commit 61b1dfe
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/resources/debian/control.in b/resources/debian/control.in
@@ -1,7 +1,7 @@
 Package: yarn
 Version: $VERSION-1
 Recommends: nodejs
-Conflicts: nodejs (<< 4.0.0)
+Conflicts: nodejs (<< 4.0.0), cmdtest
 Section: devel
 Priority: optional
 Architecture: all