feat(ci): periodically check for new action versions and create issues (

#178)

.github/workflows/_GenerateWorkflows.main.kts

@@ -5,6 +5,7 @@
 @file:Import("check-if-wrappers-up-to-date.main.kts")
 @file:Import("gradle-wrapper-validation.main.kts")
 @file:Import("update-gradle-wrapper.main.kts")
+@file:Import("actions-versions.main.kts")
 
 import it.krzeminski.githubactions.yaml.writeToFile
 
@@ -13,4 +14,5 @@ listOf(
     checkIfWrappersUpToDateWorkflow,
     gradleWrapperValidationWorkflow,
     updateGradleWrapperWorkflow,
+    checkIfNewActionVersionsWorkflow,
 ).forEach { it.writeToFile() }

.github/workflows/actions-versions.main.kts

@@ -0,0 +1,55 @@
+@file:DependsOn("it.krzeminski:github-actions-kotlin-dsl:0.12.0")
+
+import it.krzeminski.githubactions.actions.CustomAction
+import it.krzeminski.githubactions.actions.actions.CheckoutV3
+import it.krzeminski.githubactions.actions.actions.SetupJavaV2
+import it.krzeminski.githubactions.actions.gradle.GradleBuildActionV2
+import it.krzeminski.githubactions.domain.RunnerType.UbuntuLatest
+import it.krzeminski.githubactions.domain.triggers.Cron
+import it.krzeminski.githubactions.domain.triggers.Schedule
+import it.krzeminski.githubactions.domain.triggers.WorkflowDispatch
+import it.krzeminski.githubactions.dsl.expr
+import it.krzeminski.githubactions.dsl.workflow
+import java.nio.file.Paths
+
+val checkIfNewActionVersionsWorkflow = workflow(
+    name = "Updates available",
+    on = listOf(
+        Schedule(listOf(
+            Cron(dayWeek = "4", hour = "7", minute = "0")
+        )),
+        WorkflowDispatch(),
+    ),
+    sourceFile = Paths.get(".github/workflows/_GenerateWorkflows.main.kts"),
+    targetFile = Paths.get(".github/workflows/actions-versions.yml"),
+) {
+    job(
+        id = "updates-available",
+        runsOn = UbuntuLatest,
+    ) {
+        uses(CheckoutV3())
+        uses(
+            name = "Set up JDK",
+            action = SetupJavaV2(
+                javaVersion = "11",
+                distribution = SetupJavaV2.Distribution.Adopt,
+            )
+        )
+        uses(
+            name = "Run suggestVersions",
+            env = linkedMapOf("GITHUB_TOKEN" to expr("secrets.GITHUB_TOKEN")),
+            action = GradleBuildActionV2(
+                arguments = "suggestVersions",
+            )
+        )
+        uses(
+            name = "Create issue",
+            action = CustomAction(
+                "peter-evans", "create-issue-from-file", "v4",
+                inputs = mapOf(
+                    "title" to "Updates available",
+                    "content-filepath" to "wrapper-generator/build/suggestVersions.md",
+                ))
+        )
+    }
+}

.github/workflows/actions-versions.yml

@@ -0,0 +1,50 @@
+# This file was generated using Kotlin DSL (.github/workflows/_GenerateWorkflows.main.kts).
+# If you want to modify the workflow, please change the Kotlin file and regenerate this YAML file.
+# Generated with https://github.com/krzema12/github-actions-kotlin-dsl
+
+name: Updates available
+
+on:
+  schedule:
+   - cron: '0 7 * * 4'
+  workflow_dispatch:
+
+jobs:
+  "check_yaml_consistency":
+    runs-on: "ubuntu-latest"
+    steps:
+      - id: step-0
+        name: Check out
+        uses: actions/checkout@v3
+      - id: step-1
+        name: Execute script
+        run: rm '.github/workflows/actions-versions.yml' && '.github/workflows/_GenerateWorkflows.main.kts'
+      - id: step-2
+        name: Consistency check
+        run: git diff --exit-code '.github/workflows/actions-versions.yml'
+  "updates-available":
+    runs-on: "ubuntu-latest"
+    needs:
+      - "check_yaml_consistency"
+    steps:
+      - id: step-0
+        uses: actions/checkout@v3
+      - id: step-1
+        name: Set up JDK
+        uses: actions/setup-java@v2
+        with:
+          java-version: 11
+          distribution: adopt
+      - id: step-2
+        name: Run suggestVersions
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: suggestVersions
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - id: step-3
+        name: Create issue
+        uses: peter-evans/create-issue-from-file@v4
+        with:
+          title: Updates available
+          content-filepath: wrapper-generator/build/suggestVersions.md

wrapper-generator/src/main/kotlin/it/krzeminski/githubactions/wrappergenerator/versions/SuggestVersions.kt

@@ -3,6 +3,7 @@ package it.krzeminski.githubactions.wrappergenerator.versions
 import it.krzeminski.githubactions.wrappergenerator.domain.ActionCoords
 import it.krzeminski.githubactions.wrappergenerator.metadata.prettyPrint
 import it.krzeminski.githubactions.wrappergenerator.wrappersToGenerate
+import java.io.File
 
 /**
  * Suggest newer versions for the wrapper generator
@@ -19,6 +20,7 @@ import it.krzeminski.githubactions.wrappergenerator.wrappersToGenerate
  * ```
  */
 fun main() {
+    var output: String = ""
     val githubAuthorization = System.getenv("GITHUB_TOKEN")
         ?: error(
             """
@@ -37,9 +39,14 @@ fun main() {
     for ((coords, existingVersions) in actionsMap) {
         val available = coords.fetchAvailableVersions(githubAuthorization)
         suggestNewerVersion(existingVersions, available)?.let { message ->
-            println("$message for ${coords.prettyPrint}")
+            output += "$message for ${coords.prettyPrint}\n"
         }
     }
+    println(output)
+    File("build/suggestVersions.md").let { file ->
+        println("Updated ${file.absolutePath}")
+        file.writeText(output)
+    }
 }
 
 fun List<GithubTag>.versions(): List<Version> =