[ci]Exclude markdown file edits from triggering full build (#24418)

* Update ci.yml

Add path exclusions for markdown files.

* Update wildcard syntax

* Test edit SUPPORT.md

* Update ci.yml

* Test Update SUPPORT.md

* Update SUPPORT.md

Test update SUPPORT again.

* Update ci.yml

* Explicit define of markdown files at root

* Test update SUPPORT.md

* Update ci.yml

* Another Test Update SUPPORT.md

* Script to check existence of markdown changes in commit

* Added precheck job to determine whether a build needs to occur

* Added pool logic from ci-build to precheck

* Fixed GitHub API url for commits

* Test change to SUPPORT.md to see if logic works.

* Converted filename list to array to make notmatching criteria work

* Change to SUPPORT.md to test

* Updated condition to check success of previous precheck job

* Added task name to verifyBuildRequest and updated job run condition

* Another update to SUPPORT.md to test

* Updated spell-check

* Removed checkout step and made Powershell task inline

* Fixed indentation

* Test change to SUPPORT.md

* Fixing script

* Another test change to SUPPORT.md

* [CI] Update Build Precheck step to use latest agent config

* Update SUPPORT.md

* Update SUPPORT.md

* [CI] Update Build Precheck to exclude .txt and read changes from pull request

* [CI] Remove unneeded verifyBuildRequest script

* [CI] Updated variable names to reflect pull request retrieval in precheck

.github/actions/spell-check/expect.txt

@@ -1744,6 +1744,7 @@ SETTINGCHANGE
 SETTINGSCHANGED
 settingsheader
 settingshotkeycontrol
+setvariable
 SETWORKAREA
 setzero
 sfgao
@@ -2143,6 +2144,7 @@ vsconfig
 VSCROLL
 vsetq
 VSM
+vso
 vsonline
 vstemplate
 VSTHRD

.pipelines/ci/ci.yml

@@ -1,3 +1,4 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/microsoft/azure-pipelines-vscode/main/service-schema.json
 trigger:
   batch: true
   branches:
@@ -9,21 +10,27 @@ trigger:
       - doc/*
       - temp/*
       - tools/*
+      - '**.md'
 
 pr:
   branches:
     include:
       - main
       - stable
-
+  paths:
+    exclude:
+      - '**.md'
+      - doc
+       
 #     0.0.yyMM.dd##
 #     0.0.1904.0900
 name: 0.0.$(Date:yyMM).$(Date:dd)$(Rev:rr)
 
 jobs:
+  - template: ./templates/build-powertoys-precheck.yml
   - template: ./templates/build-powertoys-ci.yml
     parameters:
-      platform: x64
+      platform: x64    
   - template: ./templates/build-powertoys-ci.yml
     parameters:
-      platform: arm64
+      platform: arm64

.pipelines/ci/templates/build-powertoys-ci.yml

@@ -6,6 +6,8 @@ parameters:
 jobs:
 - job: Build${{ parameters.platform }}${{ parameters.configuration }}
   displayName: Build ${{ parameters.platform }} ${{ parameters.configuration }}
+  dependsOn: Precheck
+  condition: and(succeeded(),ne(dependencies.Precheck.outputs['verifyBuildRequest.skipBuild'], 'Yes'))
   variables:
     BuildConfiguration: ${{ parameters.configuration }}
     BuildPlatform: ${{ parameters.platform }}
@@ -29,4 +31,4 @@ jobs:
   # when we renamed our main branch.
   - task: ms.vss-governance-buildtask.governance-build-task-component-detection.ComponentGovernanceComponentDetection@0
     displayName: 'Component Detection'
-    condition: and(succeededOrFailed(), not(eq(variables['Build.Reason'], 'PullRequest')))
+    condition: and(succeededOrFailed(), not(eq(variables['Build.Reason'], 'PullRequest')))

.pipelines/ci/templates/build-powertoys-precheck.yml

@@ -0,0 +1,27 @@
+# yaml-language-server: $schema=https://raw.githubusercontent.com/microsoft/azure-pipelines-vscode/master/service-schema.json
+jobs:
+- job: Precheck
+  pool:
+    demands: ImageOverride -equals SHINE-VS17-Latest
+    ${{ if eq(variables['System.CollectionUri'], 'https://dev.azure.com/ms/') }}:
+      name: SHINE-OSS-L
+    ${{ if ne(variables['System.CollectionUri'], 'https://dev.azure.com/ms/') }}:
+      name: SHINE-INT-L
+  steps:
+  - checkout: none
+
+  - task: PowerShell@2
+    displayName: Verify Build Request
+    inputs:
+      targetType: 'inline'
+      script: |
+        $pullRequestNumber = "$(system.pullRequest.pullRequestNumber)";
+        $gitHubPullRequest = Invoke-RestMethod -Method Get "https://api.github.com/repos/microsoft/PowerToys/pulls/$pullRequestNumber/files"
+        # If there are no files updated in the commit that are .md, set skipBuild variable
+        if(([array]($gitHubPullRequest.filename) -notmatch ".md|.txt").Length -eq 0)
+        {
+            Write-Host '##vso[task.setvariable variable=skipBuild;isOutput=true]Yes'
+            Write-Host 'Skipping Build'
+        }
+      pwsh: true
+    name: verifyBuildRequest