Don't forget to install Mercurial

JakubVanek · JakubVanek · commit c9ed3f3f1812 · 2018-01-06T03:21:39.000+01:00
diff --git a/build/Dockerfile b/build/Dockerfile
@@ -44,7 +44,8 @@ RUN dpkg --add-architecture armel && \
         autoconf \
         autoconf-archive \
         automake \
-        autotools-dev
+        autotools-dev \
+        mercurial
 
 
 # copy build patches & scripts
