feat: implement apko rule

.apko/.bazelrc

@@ -0,0 +1,6 @@
+# Generated by apko_bazelrc. DO NOT EDIT
+# Required for range requests for fetching the apk packages.
+# https://developer.mozilla.org/en-US/docs/Web/HTTP/Range_requests
+# Use https://www.base64decode.org/ to see what this base64 encoded command does.
+
+common --credential_helper="%workspace%/.apko/range.sh"

.apko/range.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+echo -n '{"headers":{"Range":['
+cat | sed -n 's/.*#_apk_range_bytes_\([[:digit:]]*-[[:digit:]]*\).*/"bytes=\1"/p' | tr -d '\n'
+echo ']}}'

.bazelrc

@@ -5,6 +5,9 @@
 # Required until this is the default; expected in Bazel 7
 common --enable_bzlmod
 
+# Required for rules_apko to make range requests
+try-import %workspace%/.apko/.bazelrc
+
 # Load any settings specific to the current user.
 # .bazelrc.user should appear in .gitignore so that settings are not shared with team members
 # This needs to be last statement in this

.bazelversion

@@ -1,4 +1,4 @@
-6.2.1
+6.3.0
 # The first line of this file is used by Bazelisk and Bazel to be sure
 # the right version of Bazel is used to build and test this repo.
 # This also defines which version is used on CI.

.bcr/metadata.template.json

@@ -1,7 +1,7 @@
 {
-  "homepage": "https://github.com/myorg/rules_mylang",
+  "homepage": "https://github.com/chainguard-dev/rules_apko",
   "maintainers": [],
-  "repository": ["github:myorg/rules_mylang"],
+  "repository": ["github:chainguard-dev/rules_apko"],
   "versions": [],
   "yanked_versions": {}
 }

.bcr/source.template.json

@@ -1,5 +1,5 @@
 {
   "integrity": "**leave this alone**",
   "strip_prefix": "{REPO}-{VERSION}",
-  "url": "https://github.com/{OWNER}/{REPO}/releases/download/{TAG}/rules_mylang-{TAG}.tar.gz"
+  "url": "https://github.com/{OWNER}/{REPO}/releases/download/{TAG}/rules_apko-{TAG}.tar.gz"
 }

.github/workflows/ci.yaml

@@ -26,8 +26,5 @@ jobs:
         ]
       exclude: |
         [
-          {"folder": ".", "bzlmodEnabled": false},
-          {"bazelversion": "5.4.0", "bzlmodEnabled": true},
-          {"bazelversion": "5.4.0", "os": "macos-latest"},
-          {"bazelversion": "5.4.0", "os": "windows-latest"},
+          {"bazelversion": "5.4.0"}
         ]

.github/workflows/release.yml

@@ -12,4 +12,4 @@ jobs:
   release:
     uses: bazel-contrib/.github/.github/workflows/release_ruleset.yaml@v2
     with:
-      release_files: rules_mylang-*.tar.gz
+      release_files: rules_apko-*.tar.gz

.github/workflows/release_prep.sh

@@ -6,8 +6,8 @@ set -o errexit -o nounset -o pipefail
 # https://docs.github.com/en/actions/learn-github-actions/environment-variables#default-environment-variables
 TAG=${GITHUB_REF_NAME}
 # The prefix is chosen to match what GitHub generates for source archives
-PREFIX="rules_mylang-${TAG:1}"
-ARCHIVE="rules_mylang-$TAG.tar.gz"
+PREFIX="rules_apko-${TAG:1}"
+ARCHIVE="rules_apko-$TAG.tar.gz"
 git archive --format=tar --prefix=${PREFIX}/ ${TAG} | gzip > $ARCHIVE
 SHA=$(shasum -a 256 $ARCHIVE | awk '{print $1}')
 
@@ -18,7 +18,7 @@ cat << EOF
 2. Add to your \`MODULE.bazel\` file:
 
 \`\`\`starlark
-bazel_dep(name = "com_myorg_rules_mylang", version = "${TAG:1}")
+bazel_dep(name = "rules_apko", version = "${TAG:1}")
 \`\`\`
 
 ## Using WORKSPACE
@@ -28,12 +28,23 @@ Paste this snippet into your `WORKSPACE.bazel` file:
 \`\`\`starlark
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 http_archive(
-    name = "com_myorg_rules_mylang",
+    name = "rules_apko",
     sha256 = "${SHA}",
     strip_prefix = "${PREFIX}",
-    url = "https://github.com/myorg/rules_mylang/releases/download/${TAG}/${ARCHIVE}",
+    url = "https://github.com/chainguard-dev/rules_apko/releases/download/${TAG}/${ARCHIVE}",
 )
 EOF
 
 awk 'f;/--SNIP--/{f=1}' e2e/smoke/WORKSPACE.bazel
 echo "\`\`\`" 
+
+
+cat << EOF
+
+## Initial setup
+
+rules_apko requires a one-time setup to configure bazel to be able to make partial fetches.
+
+Follow https://github.com/chainguard-dev/rules_apko/blob/main/docs/initial-setup.md for the setup.
+
+EOF

BUILD.bazel

@@ -1,4 +1,7 @@
 load("@bazel_gazelle//:def.bzl", "gazelle", "gazelle_binary")
+load("@rules_apko//apko:defs.bzl", "apko_bazelrc")
+
+apko_bazelrc()
 
 gazelle_binary(
     name = "gazelle_bin",

CONTRIBUTING.md

@@ -22,19 +22,19 @@ Run `bazel run //:gazelle` to keep them up-to-date.
 ## Using this as a development dependency of other rules
 
 You'll commonly find that you develop in another WORKSPACE, such as
-some other ruleset that depends on rules_mylang, or in a nested
+some other ruleset that depends on rules_apko, or in a nested
 WORKSPACE in the integration_tests folder.
 
 To always tell Bazel to use this directory rather than some release
 artifact or a version fetched from the internet, run this from this
 directory:
 
 ```sh
-OVERRIDE="--override_repository=rules_mylang=$(pwd)/rules_mylang"
+OVERRIDE="--override_repository=rules_apko=$(pwd)/rules_apko"
 echo "common $OVERRIDE" >> ~/.bazelrc
 ```
 
-This means that any usage of `@rules_mylang` on your system will point to this folder.
+This means that any usage of `@rules_apko` on your system will point to this folder.
 
 ## Releasing
 

MODULE.bazel

@@ -1,21 +1,38 @@
 "Bazel dependencies"
 
 module(
-    name = "com_myorg_rules_mylang",
+    name = "rules_apko",
     version = "0.0.0",
     compatibility_level = 1,
 )
 
 bazel_dep(name = "bazel_skylib", version = "1.4.1")
 bazel_dep(name = "platforms", version = "0.0.5")
+bazel_dep(name = "aspect_bazel_lib", version = "1.34.5")
 
 bazel_dep(name = "gazelle", version = "0.29.0", dev_dependency = True, repo_name = "bazel_gazelle")
 bazel_dep(name = "bazel_skylib_gazelle_plugin", version = "1.4.1", dev_dependency = True)
-bazel_dep(name = "aspect_bazel_lib", version = "1.32.1", dev_dependency = True)
 bazel_dep(name = "buildifier_prebuilt", version = "6.1.0", dev_dependency = True)
 
-mylang = use_extension("//mylang:extensions.bzl", "mylang")
-mylang.toolchain(mylang_version = "1.14.2")
-use_repo(mylang, "mylang_toolchains")
+toolchain = use_extension("//apko:extensions.bzl", "apko")
+toolchain.toolchain(apko_version = "v0.0.0")
+use_repo(toolchain, "apko_toolchains")
 
-register_toolchains("@mylang_toolchains//:all")
+register_toolchains("@apko_toolchains//:all")
+
+# locks
+lock = use_extension(
+    "//apko:extensions.bzl",
+    "apko",
+    dev_dependency = True,
+)
+lock.translate_lock(
+    name = "examples_lock",
+    lock = "//examples/lock:apko.lock.json",
+)
+lock.translate_lock(
+    name = "examples_wolfi_base",
+    lock = "//examples/wolfi-base:apko.lock.json",
+)
+use_repo(lock, "examples_lock")
+use_repo(lock, "examples_wolfi_base")