From 3e9adc26b1fa31156c422c447c823f51314e3235 Mon Sep 17 00:00:00 2001
From: Dhi Aurrahman <dio@rockybars.com>
Date: Tue, 23 Jan 2024 15:19:41 +0000
Subject: [PATCH] Setup CI run

Signed-off-by: Dhi Aurrahman <dio@rockybars.com>
---
 .github/workflows/release.yaml | 51 ++++++++++++++++++++++++++++++++++
 .gitignore                     |  1 +
 magefile.go                    | 14 ++++++----
 3 files changed, 61 insertions(+), 5 deletions(-)
 create mode 100644 .github/workflows/release.yaml

diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
new file mode 100644
index 0000000..2123f7f
--- /dev/null
+++ b/.github/workflows/release.yaml
@@ -0,0 +1,51 @@
+name: Build and release
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+concurrency:
+  group: build-and-release-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-index:
+    permissions:
+      contents: write
+    runs-on: ubuntu-latest
+    timeout-minutes: 20
+    steps:
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+        with:
+          path: gh-pages
+          ref: gh-pages
+      - uses: actions/setup-go@93397bea11091df50f3d7e59dc26a7711a8bcfbe # v4.1.0
+        with:
+          go-version: 1.21.6
+      - uses: magefile/mage-action@6a5dcb5fe61f43d7c08a98bc3cf9bc63c308c08e # v3.0.0
+        with:
+          install-only: true
+      - uses: crazy-max/ghaction-import-gpg@82a020f1f7f605c65dd2449b392a52c3fcfef7ef # v6.0.0
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.GPG_PASSPHRASE }}
+      - run: mage packistio
+        env:
+          GH_TOKEN: ${{ secrets.GH_TOKEN }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
+      - if: github.ref == 'refs/heads/main'
+        run: mage index https://github.com/tetratelabs/legacy-charts/releases/download/istio-
+      - if: github.ref == 'refs/heads/main'
+        uses: stefanzweifel/git-auto-commit-action@8756aa072ef5b4a080af5dc8fef36c5d586e521d # v5.0.0
+        with:
+          repository: gh-pages
+          commit_message: Apply automatic update for install.sh
+          branch: gh-pages
+          commit_user_name: tetrate-ci
+          commit_user_email: 52504619+tetrate-ci@users.noreply.github.com
+          commit_author: tetrate-ci[bot] <52504619+tetrate-ci@users.noreply.github.com>
+          file_pattern: '*.yaml'
diff --git a/.gitignore b/.gitignore
index 477894d..e6e1a54 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .DS_Store
 
 /dist
+/gh-pages
diff --git a/magefile.go b/magefile.go
index 6ad01b9..7f30d31 100644
--- a/magefile.go
+++ b/magefile.go
@@ -36,26 +36,30 @@ func PackIstio(ctx context.Context) error {
 // URL gives prefix for the tarballs. For example: https://github.com/tetratelabs/legacy-charts/releases/download.
 func Index(ctx context.Context, url string) error {
 	dir := filepath.Join("dist")
+	if _, err := os.Stat(dir); err != nil {
+		fmt.Println("missing dist, nothing to do")
+		return nil
+	}
 	indexYAML := filepath.Join(dir, "index.yaml")
-	previousIndexYAML := filepath.Join("gh-pages", "index.yaml")
+	publishedIndexYAML := filepath.Join("gh-pages", "index.yaml")
 	args := []string{
 		"repo",
 		"index",
 		dir,
 		"--url", url,
 	}
-	if _, err := os.Stat(previousIndexYAML); err == nil {
-		args = append(args, "--merge", previousIndexYAML)
+	if _, err := os.Stat(publishedIndexYAML); err == nil {
+		args = append(args, "--merge", publishedIndexYAML)
 	}
 	if err := sh.Run(ctx, "helm", args...); err != nil {
 		return err
 	}
-	b, err := os.ReadFile(filepath.Join(dir, "index.yaml"))
+	b, err := os.ReadFile(indexYAML)
 	if err != nil {
 		return err
 	}
 	sanitized := strings.ReplaceAll(string(b), "istio-/", "istio-")
-	return os.WriteFile(indexYAML, []byte(sanitized), os.ModePerm)
+	return os.WriteFile(publishedIndexYAML, []byte(sanitized), os.ModePerm)
 }
 
 func packVersioned(ctx context.Context, version string) error {