Add big-bertha in merl-an bench

Author: xvw

Makefile

@@ -19,7 +19,7 @@ promote:
 	dune promote
 
 bench:
-	merl-an benchmark -p /projects/irmin -s 1 --data=merl-an_bench
+	merl-an benchmark -p /projects/irmin,/projects/big-bertha -s 1 --data=merl-an_bench
 	echo "Top 10 slowest queries:"
 	jq -s "[ (map(.sample_id |= tostring)) + (map(.sample_id |= tostring)) | group_by(.sample_id)[] | select(length > 1) | add ] | sort_by( .responses[0].timing.clock) | reverse | .[:10]" merl-an_bench/query_responses.json merl-an_bench/commands.json
 	echo "Benchmark result:"

bench.Dockerfile

@@ -25,11 +25,17 @@ WORKDIR /projects
 
 # build irmin
 RUN git clone https://github.com/mirage/irmin.git
-WORKDIR /projects/irmin
-RUN sudo rm -rf examples/ test/
-RUN git checkout 421c09fa57784f155a3d6ad23e0ecc2c9cd0a352
 RUN sudo apt install -y gnuplot-x11 libgmp-dev pkg-config libffi-dev
 RUN opam switch import /app/bench/irmin.opam.export --no-checksums
+WORKDIR /projects/irmin
+RUN git checkout 421c09fa57784f155a3d6ad23e0ecc2c9cd0a352
+RUN sudo rm -rf examples/ test/
+RUN opam exec -- dune build
+
+# build big-bertha
+WORKDIR /projects
+RUN git clone https://github.com/xvw/big-bertha.git
+WORKDIR /projects/big-bertha
 RUN opam exec -- dune build
 
 WORKDIR /app