Merge pull request #251 from gounthar/track-alpine-linux-base-version

chore(alpine): Tracks alpine linux base version

updatecli/updatecli.d/alpine.yaml

@@ -0,0 +1,84 @@
+---
+name: Bump Alpine version
+
+scms:
+  default:
+    kind: github
+    spec:
+      user: "{{ .github.user }}"
+      email: "{{ .github.email }}"
+      owner: "{{ .github.owner }}"
+      repository: "{{ .github.repository }}"
+      token: "{{ requiredEnv .github.token }}"
+      username: "{{ .github.username }}"
+      branch: "{{ .github.branch }}"
+
+sources:
+  latestVersion:
+    kind: githubrelease
+    name: "Get the latest Alpine Linux version"
+    spec:
+      owner: "alpinelinux"
+      repository: "aports" # Its release process follows Alpine's
+      token: "{{ requiredEnv .github.token }}"
+      username: "{{ .github.username }}"
+      versionfilter:
+        kind: semver
+        pattern: "~3"
+    transformers:
+      - trimprefix: "v"
+
+conditions:
+  testDockerfileArg:
+    name: "Does the Dockerfile have an ARG instruction for the Alpine Linux version?"
+    kind: dockerfile
+    disablesourceinput: true
+    spec:
+      file: alpine/Dockerfile
+      instruction:
+        keyword: "ARG"
+        matcher: "ALPINE_TAG"
+  testDockerImageExists:
+    name: "Does the Docker Image exist on the Docker Hub?"
+    kind: dockerimage
+    sourceid: latestVersion
+    spec:
+      image: "alpine"
+      # tag come from the source
+      architecture: amd64
+  testVersionInBakeFile:
+    name: "Does the bake file have variable ALPINE_VERSION"
+    kind: file
+    disablesourceinput: true
+    spec:
+      file: docker-bake.hcl
+      matchpattern: "(.*ALPINE_FULL_TAG.*)"
+
+targets:
+  updateDockerfile:
+    name: "Update the value of the base image (ARG ALPINE_TAG) in the Dockerfile"
+    kind: dockerfile
+    spec:
+      file: alpine/Dockerfile
+      instruction:
+        keyword: "ARG"
+        matcher: "ALPINE_TAG"
+    scmid: default
+  updateDockerBake:
+    name: "Update the value of the base image (ARG ALPINE_TAG) in the docker-bake.hcl"
+    kind: file
+    spec:
+      file: docker-bake.hcl
+      matchpattern: >-
+        variable(.*)"ALPINE_FULL_TAG"(.*){(.*)(\r\n|\r|\n)(.*)default(.*)=(.*)
+      replacepattern: >-
+        variable${1}"ALPINE_FULL_TAG"${2}{${3}${4}${5}default${6}= "{{ source "latestVersion" }}"
+    scmid: default
+actions:
+  default:
+    kind: github/pullrequest
+    scmid: default
+    title: Bump Alpine Linux Version to {{ source "latestVersion" }}
+    spec:
+      labels:
+        - dependencies