consistency

Author: t-bltg

.github/workflows/ci.yml

@@ -64,6 +64,7 @@ jobs:
           sudo apt-get -y install g++ gnuplot poppler-utils texlive-{latex-base,latex-extra,luatex}  # LaTeX
           sudo fc-cache -vr
           echo "LD_PRELOAD=$(g++ --print-file-name=libstdc++.so)" >>$GITHUB_ENV
+          echo "JULIA_PROJECT="julia --project=@. --check-bounds=yes --color=yes" >>$GITHUB_ENV
 
       - uses: julia-actions/setup-julia@latest
         with:
@@ -74,7 +75,7 @@ jobs:
       - name: dev downstream pkgs and install mpl deps
         env:
           JULIA_PKG_PRECOMPILE_AUTO: 0
-        shell: julia --project=@. --color=yes {0}
+        shell: $JULIA_PROJECT {0}
         run: |
           using Pkg
           Pkg.develop([
@@ -88,12 +89,12 @@ jobs:
           [Base.julia_cmd().exec..., joinpath("ci", "matplotlib.jl")] |> Cmd |> run
 
       # NOTE: test is using `--check-bounds=yes` !
-      - run: julia --project=@. --check-bounds=yes --color=yes 'using Pkg; Pkg.precompile()'
+      - run: $JULIA_PROJECT -e 'using Pkg; Pkg.precompile()'
 
       - name: test Plots stack
         timeout-minutes: 60
         run: |
-          cmd=(julia --project=@. --check-bounds=yes --color=yes --depwarn=yes)
+          cmd=($JULIA_PROJECT --depwarn=yes)
           if [ "$RUNNER_OS" == "Linux" ]; then
             cmd=(xvfb-run ${cmd[@]})
           fi