CI: Compile restclient-cpp as a workaround.

.drone.yml

@@ -25,6 +25,13 @@ steps:
     source: https://schlomp.space/tastytea/mastodon-cpp/releases/download/0.111.5/libmastodon-cpp_0.111.5-0_bionic_amd64.deb
     destination: mastodon-cpp_bionic.deb
 
+# Workaround until the debian packages are fixed.
+- name: download restclient-cpp source
+  image: plugins/download
+  settings:
+    source: https://github.com/mrtazz/restclient-cpp/archive/0.5.1.tar.gz
+    destination: restclient-cpp.tar.gz
+
 - name: GCC 8 on Debian buster
   image: debian:buster-slim
   pull: always
@@ -44,6 +51,12 @@ steps:
   - apt-get install -qq build-essential cmake asciidoc
   - apt-get install -qq libboost-filesystem-dev libboost-log-dev libboost-regex-dev libjsoncpp-dev catch libcurl4-openssl-dev restclient-cpp libpoco-dev
   - apt-get -qq install ./mastodon-cpp_buster.deb
+  - tar -xf restclient-cpp.tar.gz
+  - cd restclient-cpp-*
+  - cmake -DCMAKE_INSTALL_PREFIX=/usr .
+  - cmake --build .
+  - make install
+  - cd ..
   - rm -rf build && mkdir -p build && cd build
   - cmake ..
   - make VERBOSE=1
@@ -71,6 +84,12 @@ steps:
   - apt-get install -qq build-essential cmake asciidoc
   - apt-get install -qq libboost-filesystem-dev libboost-log-dev libboost-regex-dev libjsoncpp-dev catch libcurl4-openssl-dev restclient-cpp libpoco-dev
   - apt-get -qq install ./mastodon-cpp_bionic.deb
+  - tar -xf restclient-cpp.tar.gz
+  - cd restclient-cpp-*
+  - cmake -DCMAKE_INSTALL_PREFIX=/usr .
+  - cmake --build .
+  - make install
+  - cd --
   - rm -rf build && mkdir -p build && cd build
   - cmake ..
   - make VERBOSE=1