set up pre-commit hook for bibtex (#278)

* try setting up pre-commit hook for bibtex

* improvements to pre-commit checks

Author: OriolAbril

.github/PULL_REQUEST_TEMPLATE.md

@@ -10,6 +10,7 @@ or if you have been waiting too long to hear back on your PR. -->
 
 + [ ] Notebook follows style guide https://docs.pymc.io/en/latest/contributing/jupyter_style.html
 + [ ] PR description contains a link to the relevant issue: a tracker one for existing notebooks or a proposal one for new notebooks
++ [ ] Check the notebook is not excluded from any pre-commit check: https://github.com/pymc-devs/pymc-examples/blob/main/.pre-commit-config.yaml
 
 
 ### Helpful links

.github/workflows/pre-commit.yml

@@ -13,4 +13,7 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-python@v2
+    - uses: actions/setup-node@v2
+      with:
+        node-version: '15'
     - uses: pre-commit/[email protected]

.pre-commit-config.yaml

@@ -15,12 +15,32 @@ repos:
   rev: 0.3.0
   hooks:
     - id: check-execution-order
+      args: [--strict]
       exclude: |
             (?x)^
-            ^examples/samplers/DEMetropolisZ_EfficiencyComparison\.ipynb$
-            |examples/variational_inference/convolutional_vae_keras_advi\.ipynb$
-            |examples/pymc3_howto/sampling_callback\.ipynb$
+            ^examples/ode_models/ODE_with_manual_gradients\.ipynb$
+            |examples/samplers/DEMetropolisZ_EfficiencyComparison\.ipynb$
             |examples/gaussian_processes/GP-Latent\.ipynb$
+            |examples/gaussian_processes/GP-MaunaLoa2\.ipynb$
+            |examples/samplers/MLDA_gravity_surveying\.ipynb$
+            |examples/case_studies/putting_workflow\.ipynb$
+            |examples/pymc3_howto/sampling_callback\.ipynb$
+            |examples/case_studies/blackbox_external_likelihood\.ipynb$
+            |examples/samplers/GLM-hierarchical-jax\.ipynb$
+            |examples/variational_inference/convolutional_vae_keras_advi\.ipynb$
+            |examples/gaussian_processes/GP-TProcess\.ipynb$
+            |examples/mixture_models/dependent_density_regression\.ipynb$
+            |examples/gaussian_processes/GP-Heteroskedastic\.ipynb$
+            |examples/gaussian_processes/GP-MeansAndCovs\.ipynb$
+            |examples/samplers/MLDA_variance_reduction_linear_regression\.ipynb$
+
+- repo: https://github.com/FlamingTempura/bibtex-tidy
+  rev: v1.8.5
+  hooks:
+    - id: bibtex-tidy
+      files: examples/references.bib
+      args: ["--sort=key", --quiet]
+      language_version: 15.14.0
 - repo: local
   hooks:
     - id: watermark