Fix the autorun script to use hashes instead of tags

Author: lorenzovarese

benchmark/utils/autorun_benchmarks.sh

@@ -40,22 +40,13 @@ do
     esac
 done
 
-# Check if the tags already exist and delete them if they do
-if git rev-parse -q --verify "refs/tags/after_debug" >/dev/null; then
-    git tag -d after_debug
-fi
-
-if git rev-parse -q --verify "refs/tags/before_debug" >/dev/null; then
-    git tag -d before_debug
-fi
-
-# Tag the last commit as 'after_debug'
-git tag after_debug HEAD
-echo "Tagged the latest commit as 'after_debug'"
+# Retrieve last two commit hashes
+before_debug=$(git rev-parse HEAD~1)
+after_debug=$(git rev-parse HEAD)
 
-# Tag the second last commit as 'before_debug'
-git tag before_debug HEAD~1
-echo -e "Tagged the previous commit as 'before_debug'\n"
+# Tag the last two commits if they are not already tagged
+git tag -f after_debug $after_debug
+git tag -f before_debug $before_debug
 
 # Print the before and after tags with their messages
 git tag -n | grep -E 'before_debug|after_debug' | while IFS= read -r line; do echo "$line"; done ; echo ""
@@ -64,12 +55,13 @@ git tag -n | grep -E 'before_debug|after_debug' | while IFS= read -r line; do ec
 if [ "$advection" == true ]; then
     # Set the benchmark script for advection
     benchmark_script="benchmark/benchmarks_advection.jl"
-    command="benchpkg --rev=before_debug,after_debug \
+    command="benchpkg --rev=$before_debug,$after_debug \
              -s $benchmark_script \
+             --bench-on=$after_debug \
              --exeflags=\"--threads=$threads\""
 else
-    command="benchpkg --rev=before_debug,after_debug \
-             --bench-on=after_debug \
+    command="benchpkg --rev=$before_debug,$after_debug \
+             --bench-on=$after_debug \
              --exeflags=\"--threads=$threads\""
 fi