chore: bump Go 1.26.0 to 1.26.1 and add version management tooling

.devcontainer/devcontainer.json

@@ -3,7 +3,7 @@
     "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
     "features": {
         "ghcr.io/devcontainers/features/go:1": {
-            "version": "1.26"
+            "version": "1.26.1"
         },
         "ghcr.io/devcontainers/features/docker-in-docker:2.11.0": {
             "version": "latest",

.github/workflows/copilot-setup-steps.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "^1.26"
+          go-version-file: cli/azd/go.mod
 
       - name: Set up Node.js
         uses: actions/setup-node@v4

.github/workflows/ext-registry-ci.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v6
         with:
-          go-version: "^1.26"
+          go-version-file: cli/azd/go.mod
           cache-dependency-path: |
             cli/azd/go.sum
 

.github/workflows/lint-go.yml

@@ -7,11 +7,11 @@ on:
         description: "Path to the Go module directory to lint"
         required: true
         type: string
-      go-version:
-        description: "Go version to use"
+      go-version-file:
+        description: "Path to go.mod to read Go version from"
         required: false
         type: string
-        default: "^1.26"
+        default: "cli/azd/go.mod"
       golangci-lint-version:
         description: "GolangCI-Lint version to use"
         required: false
@@ -29,10 +29,10 @@ jobs:
       matrix:
         os: [ubuntu-latest, windows-latest]
     steps:
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v6
         with:
-          go-version: ${{ inputs.go-version }}
-      - uses: actions/checkout@v4
+          go-version-file: ${{ inputs.go-version-file }}
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v8
         with:
@@ -43,10 +43,10 @@ jobs:
   go-fix:
     runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v6
         with:
-          go-version: ${{ inputs.go-version }}
-      - uses: actions/checkout@v4
+          go-version-file: ${{ inputs.go-version-file }}
       - name: Check for go fix suggestions
         working-directory: ${{ inputs.working-directory }}
         run: |

.github/workflows/validate-go-version.yml

@@ -0,0 +1,89 @@
+name: validate-go-version
+
+on:
+  pull_request:
+    paths:
+      - "**/go.mod"
+      - "**/Dockerfile"
+      - ".devcontainer/devcontainer.json"
+      - "eng/pipelines/templates/steps/setup-go.yml"
+      - ".github/workflows/validate-go-version.yml"
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  check-go-version-consistency:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Validate Go version consistency
+        run: |
+          # Source of truth: cli/azd/go.mod
+          EXPECTED=$(grep -m1 '^go ' cli/azd/go.mod | awk '{print $2}')
+          echo "Expected Go version (from cli/azd/go.mod): $EXPECTED"
+
+          ERRORS=0
+
+          # Check all go.mod files
+          echo ""
+          echo "Checking go.mod files..."
+          for f in $(find cli/azd -name 'go.mod'); do
+            VERSION=$(grep -m1 '^go ' "$f" | awk '{print $2}')
+            if [ "$VERSION" != "$EXPECTED" ]; then
+              echo "::error file=$f::Go version mismatch: found '$VERSION', expected '$EXPECTED'"
+              ERRORS=$((ERRORS + 1))
+            else
+              echo "  OK: $f ($VERSION)"
+            fi
+          done
+
+          # Check ADO pipeline template
+          echo ""
+          echo "Checking ADO pipeline template..."
+          ADO_FILE="eng/pipelines/templates/steps/setup-go.yml"
+          if [ -f "$ADO_FILE" ]; then
+            ADO_VERSION=$(grep -m1 'GoVersion:' "$ADO_FILE" | awk '{print $2}')
+            if [ "$ADO_VERSION" != "$EXPECTED" ]; then
+              echo "::error file=$ADO_FILE::GoVersion mismatch: found '$ADO_VERSION', expected '$EXPECTED'"
+              ERRORS=$((ERRORS + 1))
+            else
+              echo "  OK: $ADO_FILE ($ADO_VERSION)"
+            fi
+          fi
+
+          # Check Dockerfiles referencing golang:<version> base images
+          echo ""
+          echo "Checking Dockerfiles..."
+          for f in $(find cli/azd -name 'Dockerfile'); do
+            DOCKER_VERSION=$(grep -oP 'golang:\K[\d.]+' "$f" | head -1)
+            if [ -n "$DOCKER_VERSION" ] && [ "$DOCKER_VERSION" != "$EXPECTED" ]; then
+              echo "::error file=$f::Dockerfile golang version mismatch: found '$DOCKER_VERSION', expected '$EXPECTED'"
+              ERRORS=$((ERRORS + 1))
+            elif [ -n "$DOCKER_VERSION" ]; then
+              echo "  OK: $f (golang:$DOCKER_VERSION)"
+            fi
+          done
+
+          # Check devcontainer.json Go feature version
+          echo ""
+          echo "Checking devcontainer.json..."
+          DEVCONTAINER=".devcontainer/devcontainer.json"
+          if [ -f "$DEVCONTAINER" ]; then
+            DC_VERSION=$(grep -A1 'devcontainers/features/go' "$DEVCONTAINER" | grep -oP '"version":\s*"\K[\d.]+')
+            if [ -n "$DC_VERSION" ] && [ "$DC_VERSION" != "$EXPECTED" ]; then
+              echo "::error file=$DEVCONTAINER::devcontainer Go version mismatch: found '$DC_VERSION', expected '$EXPECTED'"
+              ERRORS=$((ERRORS + 1))
+            elif [ -n "$DC_VERSION" ]; then
+              echo "  OK: $DEVCONTAINER ($DC_VERSION)"
+            fi
+          fi
+
+          echo ""
+          if [ "$ERRORS" -gt 0 ]; then
+            echo "::error::$ERRORS Go version mismatch(es) found. Run 'pwsh eng/scripts/Update-GoVersion.ps1 -NewVersion $EXPECTED' to fix."
+            exit 1
+          fi
+          echo "All Go versions are consistent ($EXPECTED)."

cli/azd/CONTRIBUTING.md

@@ -20,7 +20,7 @@ In general, to make contributions a smooth and easy experience, we encourage the
 
 Prerequisites:
 
-- [Go](https://go.dev/dl/) 1.26
+- [Go](https://go.dev/dl/) 1.26.1
 
 Build:
 

cli/azd/extensions/azure.ai.agents/go.mod

@@ -1,6 +1,6 @@
 module azureaiagent
 
-go 1.26.0
+go 1.26.1
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.21.0

cli/azd/extensions/azure.ai.finetune/go.mod

@@ -1,6 +1,6 @@
 module azure.ai.finetune
 
-go 1.26.0
+go 1.26.1
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.21.0

cli/azd/extensions/azure.ai.models/go.mod

@@ -1,6 +1,6 @@
 module azure.ai.models
 
-go 1.26.0
+go 1.26.1
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0

cli/azd/extensions/azure.appservice/go.mod

@@ -1,6 +1,6 @@
 module azureappservice
 
-go 1.26.0
+go 1.26.1
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.21.0

cli/azd/extensions/azure.coding-agent/go.mod

@@ -1,6 +1,6 @@
 module azurecodingagent
 
-go 1.26.0
+go 1.26.1
 
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.20.0

cli/azd/extensions/microsoft.azd.concurx/go.mod

@@ -1,6 +1,6 @@
 module concurx
 
-go 1.26.0
+go 1.26.1
 
 require (
 	github.com/azure/azure-dev/cli/azd v1.23.13

cli/azd/go.mod

@@ -1,6 +1,6 @@
 module github.com/azure/azure-dev/cli/azd
 
-go 1.26.0
+go 1.26.1
 
 require (
 	dario.cat/mergo v1.0.2

cli/azd/test/functional/testdata/samples/containerappjob/src/job/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23-alpine AS build
+FROM golang:1.26.1-alpine AS build
 WORKDIR /app
 COPY . .
 RUN go build -o /job .

cli/azd/test/functional/testdata/samples/containerappjob/src/job/go.mod

@@ -1,3 +1,3 @@
 module containerappjob
 
-go 1.23
+go 1.26.1

eng/pipelines/templates/steps/setup-go.yml

@@ -1,5 +1,5 @@
 parameters:
-  GoVersion: 1.26.0
+  GoVersion: 1.26.1
   Condition: succeeded()
 
 steps:

eng/scripts/Update-GoVersion.ps1

@@ -0,0 +1,94 @@
+param(
+    [Parameter(Mandatory = $true)]
+    [string] $NewVersion
+)
+
+Set-StrictMode -Version 4
+$ErrorActionPreference = 'Stop'
+
+$repoRoot = Resolve-Path "$PSScriptRoot/../../"
+
+# Canonical source of truth
+$coreGoMod = Join-Path $repoRoot 'cli/azd/go.mod'
+
+# All go.mod files that should track the same Go version (including testdata samples).
+$goModFiles = Get-ChildItem -Path (Join-Path $repoRoot 'cli/azd') -Recurse -Filter 'go.mod'
+
+# ADO pipeline template that pins the Go toolchain version
+$adoSetupGo = Join-Path $repoRoot 'eng/pipelines/templates/steps/setup-go.yml'
+
+$updated = @()
+$skipped = @()
+
+# --- Update go.mod files ---
+foreach ($file in $goModFiles) {
+    $content = Get-Content $file.FullName -Raw
+    if ($content -match '(?m)^go\s+\S+') {
+        $newContent = $content -replace '(?m)^go\s+\S+', "go $NewVersion"
+        if ($newContent -ne $content) {
+            Set-Content -Path $file.FullName -Value $newContent -NoNewline -Encoding utf8NoBOM
+            $updated += $file.FullName.Substring($repoRoot.Path.Length)
+        } else {
+            $skipped += $file.FullName.Substring($repoRoot.Path.Length)
+        }
+    }
+}
+
+# --- Update ADO pipeline template ---
+if (Test-Path $adoSetupGo) {
+    $content = Get-Content $adoSetupGo -Raw
+    $newContent = $content -replace '(?m)^(\s+GoVersion:\s+)\S+', "`${1}$NewVersion"
+    if ($newContent -ne $content) {
+        Set-Content -Path $adoSetupGo -Value $newContent -NoNewline -Encoding utf8NoBOM
+        $updated += $adoSetupGo.Substring($repoRoot.Path.Length)
+    } else {
+        $skipped += $adoSetupGo.Substring($repoRoot.Path.Length)
+    }
+}
+
+# --- Update Dockerfiles referencing golang:<version> base images ---
+$dockerfiles = Get-ChildItem -Path (Join-Path $repoRoot 'cli/azd') -Recurse -Filter 'Dockerfile'
+foreach ($file in $dockerfiles) {
+    $content = Get-Content $file.FullName -Raw
+    if ($content -match 'golang:\d+\.\d+') {
+        $newContent = $content -replace 'golang:\d+[\d.]*', "golang:$NewVersion"
+        if ($newContent -ne $content) {
+            Set-Content -Path $file.FullName -Value $newContent -NoNewline -Encoding utf8NoBOM
+            $updated += $file.FullName.Substring($repoRoot.Path.Length)
+        } else {
+            $skipped += $file.FullName.Substring($repoRoot.Path.Length)
+        }
+    }
+}
+
+# --- Update devcontainer.json Go feature version ---
+$devcontainer = Join-Path $repoRoot '.devcontainer/devcontainer.json'
+if (Test-Path $devcontainer) {
+    $content = Get-Content $devcontainer -Raw
+    $newContent = $content -replace '("ghcr\.io/devcontainers/features/go:\d+":\s*\{\s*"version":\s*")[\d.]+(")', "`${1}$NewVersion`${2}"
+    if ($newContent -ne $content) {
+        Set-Content -Path $devcontainer -Value $newContent -NoNewline -Encoding utf8NoBOM
+        $updated += $devcontainer.Substring($repoRoot.Path.Length)
+    } else {
+        $skipped += $devcontainer.Substring($repoRoot.Path.Length)
+    }
+}
+
+# --- Report ---
+Write-Host ""
+if ($updated.Count -gt 0) {
+    Write-Host "Updated $($updated.Count) file(s) to Go $NewVersion`:" -ForegroundColor Green
+    $updated | ForEach-Object { Write-Host "  $_" }
+} else {
+    Write-Host "No files needed updating." -ForegroundColor Yellow
+}
+
+if ($skipped.Count -gt 0) {
+    Write-Host ""
+    Write-Host "Already at Go $NewVersion ($($skipped.Count) file(s)):" -ForegroundColor Cyan
+    $skipped | ForEach-Object { Write-Host "  $_" }
+}
+
+Write-Host ""
+Write-Host "Done. GitHub Actions workflows read the version from cli/azd/go.mod automatically." -ForegroundColor Green
+Write-Host "Run 'git diff' to review changes before committing." -ForegroundColor Gray