adding new azure pipeline

.ci/azure/activate_conda.sh

@@ -0,0 +1,6 @@
+#!/bin/bash -x
+
+set -e
+
+. $CONDA/etc/profile.d/conda.sh
+conda activate ./env

.ci/azure/setup_conda.sh

@@ -0,0 +1,9 @@
+#!/bin/bash -x
+
+set -e
+
+sudo chown -R $USER $CONDA
+. $CONDA/etc/profile.d/conda.sh
+conda env create -q --prefix ./env -f environment.yml
+conda activate ./env
+env/bin/python -m pip install -e .

.ci/build-paper.yml

@@ -0,0 +1,47 @@
+pr: none
+trigger:
+- master
+variables:
+- group: exoplanet-variables
+pool:
+  vmImage: Ubuntu-16.04
+
+steps:
+- script: |
+    git submodule update --init
+  displayName: 'Fetch submodules'
+
+- script: |
+    source .ci/azure/setup_conda.sh
+  displayName: 'Setup conda'
+
+- script: |
+    source .ci/azure/activate_conda.sh
+    env/bin/python -m pip install -U -r paper/requirements.txt
+    conda install -y -q -c conda-forge tectonic
+  displayName: 'Install dependencies'
+
+- script: |
+    source .ci/azure/activate_conda.sh
+    cd $(Build.SourcesDirectory)/paper/figures
+    python run_notebooks.py
+  displayName: 'Generate the figures'
+
+- script: |
+    source .ci/azure/activate_conda.sh
+    cd $(Build.SourcesDirectory)/paper
+    make
+  displayName: 'Build the paper'
+
+- script: |
+    cd $(Build.SourcesDirectory)
+    git checkout --orphan $(Build.SourceBranchName)-pdf
+    git rm -rf --cached .
+    git add -f paper/exoplanet.pdf
+    git add -f paper/figures/*.pdf
+    git add -f paper/figures/*_exec.ipynb
+    git add -f paper/figures/notebook_errors.log
+    git -c user.name='azure' -c user.email='azure' commit -m "building the paper"
+    git push -q -f https://$(GITHUB_USER):$(GITHUB_API_KEY)@github.com/dfm/exoplanet $(Build.SourceBranchName)-pdf >/dev/null 2>&1
+  displayName: 'Upload the paper'
+  condition: always()