Fail the job if the bxl fails

Author: nathanaelhuffman

.github/filters.yml

@@ -1,4 +1,5 @@
 cobble:
+  - .github/**/*
   - 'tools/site_cobble/**/*'
   - 'vnd/**/*'
   - 'hdl/ip/bsv/**/*'
@@ -11,6 +12,7 @@ cobble:
   - 'hdl/projects/ulx3s/**/*'
 
 buck2:
+  - .github/**/*
   - 'vnd/xpm/**/*'
   - 'prelude/**/*'
   - 'toolchains/**/*'

.github/workflows/simulation.yml

@@ -34,7 +34,7 @@ jobs:
         - name: buck path
           run: echo "~/.cargo/bin" >> "$GITHUB_PATH"
         - name: Run VUnit tests
-          run: buck2 bxl //tools/vunit-sims.bxl:vunit_sim_gen | while IFS= read -r line; do eval "$line" ; done
+          run: set -o pipefail; buck2 bxl //tools/vunit-sims.bxl:vunit_sim_gen | while IFS= read -r line; do eval "$line" ; done
 
   bsv-sim:
     needs: changes