build(release): simplify release assets and prerelease behavior

.github/workflows/release.yml

@@ -40,12 +40,6 @@ jobs:
         with:
           go-version-file: src/go.mod
 
-      - name: Install Cosign
-        uses: sigstore/cosign-installer@v4.1.1
-
-      - name: Install Syft
-        uses: anchore/sbom-action/download-syft@v0.24.0
-
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v7
         with:
@@ -59,4 +53,4 @@ jobs:
       - name: Attest Release Checksums
         uses: actions/attest@v4
         with:
-          subject-checksums: src/dist/epusdt_${{ github.ref_name }}_checksums.txt
+          subject-checksums: src/dist/SHA256SUMS

RELEASING.md

@@ -23,9 +23,7 @@ Windows artifacts are published as `.zip`. Other platforms are published as `.ta
 
 Each release also publishes:
 
-- a checksum file
-- a Sigstore keyless signature bundle for the checksum file
-- archive SBOM documents generated by Syft
+- a `SHA256SUMS` checksum file
 - a GitHub build provenance attestation for the checksum file
 
 ## How to cut a release
@@ -48,23 +46,15 @@ git push origin v1.0.0
 
 ## Verify a release
 
-Verify the checksum signature with Cosign:
-
-```bash
-cosign verify-blob \
-  --bundle epusdt_v1.0.0_checksums.txt.sigstore.json \
-  epusdt_v1.0.0_checksums.txt
-```
-
 Verify the GitHub build provenance attestation:
 
 ```bash
-gh attestation verify epusdt_v1.0.0_checksums.txt -R GMwalletApp/epusdt
+gh attestation verify SHA256SUMS -R GMwalletApp/epusdt
 ```
 
 ## Local validation
 
-Install `cosign` and `syft`, then run a snapshot build locally before pushing a tag:
+Run a snapshot build locally before pushing a tag:
 
 ```bash
 cd src
@@ -72,3 +62,9 @@ go run github.com/goreleaser/goreleaser/v2@latest release --snapshot --clean
 ```
 
 The resulting artifacts will be generated under `src/dist/`.
+
+## Release candidates
+
+If you use tags like `v1.2.3-rc1`, GoReleaser will mark the GitHub release as a prerelease.
+
+If you want the final `v1.2.3` release notes to compare cleanly against the previous stable release, avoid keeping old `rc` tags around longer than needed.

src/.goreleaser.yaml

@@ -28,7 +28,7 @@ archives:
   - id: epusdt
     ids:
       - epusdt
-    name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+    name_template: "{{ .ProjectName }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}"
     files:
       - .env.example
       - static/**
@@ -38,21 +38,7 @@ archives:
           - zip
 
 checksum:
-  name_template: "{{ .ProjectName }}_{{ .Version }}_checksums.txt"
-
-signs:
-  - cmd: cosign
-    signature: "${artifact}.sigstore.json"
-    args:
-      - "sign-blob"
-      - "--bundle=${signature}"
-      - "${artifact}"
-      - "--yes"
-    artifacts: checksum
-
-sboms:
-  - id: archives
-    artifacts: archive
+  name_template: "SHA256SUMS"
 
 snapshot:
   name_template: "{{ incpatch .Version }}-next"
@@ -61,6 +47,7 @@ release:
   github:
     owner: GMwalletApp
     name: epusdt
+  prerelease: auto
 
 changelog:
   sort: asc
@@ -70,3 +57,6 @@ changelog:
       - "^test:"
       - "^chore:"
       - "^ci:"
+      - "^fix\\(ci\\):"
+      - "^build\\(release\\):"
+      - "^Merge pull request"