Merge pull request #2077 from jaimergp/short-circuit

conda_smithy/templates/azure-pipelines.yml.tmpl

@@ -10,15 +10,41 @@
   {%- endif %}
 {%- endfor %}
 
-jobs:
-  {%- for platform in platformset %}
-  {%- if platform == 'win' %}
-  - template: ./.azure-pipelines/azure-pipelines-win.yml
-  {%- endif %}
-  {%- if platform == 'osx' %}
-  - template: ./.azure-pipelines/azure-pipelines-osx.yml
-  {%- endif %}
-  {%- if platform == 'linux' %}
-  - template: ./.azure-pipelines/azure-pipelines-linux.yml
-  {%- endif %}
-  {%- endfor %}
+stages:
+- stage: Check
+  jobs:
+    - job: Skip
+      pool:
+        vmImage: 'ubuntu-22.04'
+      variables:
+        DECODE_PERCENTS: 'false'
+        RET: 'true'
+      steps:
+      - checkout: self
+        {# We only need two: the PR merge commit, and the actual commit added by the user #}
+        fetchDepth: '2'
+      - bash: |
+          git_log=`git log --max-count=1 --skip=1 --pretty=format:"%B" | tr "\n" " "`
+          echo "##vso[task.setvariable variable=log]$git_log"
+        displayName: Obtain commit message
+      - bash: echo "##vso[task.setvariable variable=RET]false"
+        condition: or(contains(variables.log, '[skip azp]'), contains(variables.log, '[azp skip]'), contains(variables.log, '[skip ci]'), contains(variables.log, '[ci skip]'))
+        displayName: Skip build?
+      - bash: echo "##vso[task.setvariable variable=start_main;isOutput=true]$RET"
+        name: result
+        displayName: Export result
+- stage: Build
+  condition: and(succeeded(), eq(dependencies.Check.outputs['Skip.result.start_main'], 'true'))
+  dependsOn: Check
+  jobs:
+    {%- for platform in platformset %}
+    {%- if platform == 'win' %}
+    - template: ./.azure-pipelines/azure-pipelines-win.yml
+    {%- endif %}
+    {%- if platform == 'osx' %}
+    - template: ./.azure-pipelines/azure-pipelines-osx.yml
+    {%- endif %}
+    {%- if platform == 'linux' %}
+    - template: ./.azure-pipelines/azure-pipelines-linux.yml
+    {%- endif %}
+    {%- endfor %}

news/2077-azure-skips.rst

@@ -0,0 +1,24 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* Azure Pipelines will now skip build jobs if the last commit message contains one of
+  ``[skip ci]``, ``[ci skip]``, ``[skip azp]``, or ``[azp skip]``. (#2077)
+
+**Security:**
+
+* <news item>