chore: new changelog generator (#855)

* chore: new changelog generator

* ci: require a change file on PRs

.changeset/github_release_changelog.md

@@ -0,0 +1,5 @@
+---
+default: minor
+---
+
+# The changelog page now shows each GitHub release's notes

.github/workflows/changelog_publish.yml

@@ -0,0 +1,35 @@
+name: Publish Changelog
+
+on:
+  release:
+    types: [published, edited]
+  workflow_dispatch:
+
+concurrency:
+  group: changelog-publish
+  cancel-in-progress: true
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      GH_REPO: ${{ github.repository }}
+    steps:
+      # The launcher reads releases/latest/download/changelog.json, so the
+      # snapshot of the last 50 release bodies always lives on the latest release.
+      - name: Build changelog.json from release bodies
+        run: |
+          gh api "repos/$GH_REPO/releases?per_page=50" --jq '[.[]
+            | select(.draft | not)
+            | select(.tag_name | startswith("oneclient-"))
+            | {
+                version: (.tag_name | ltrimstr("oneclient-")),
+                body: ((.body // "") | sub("^Automated release for OneClient [^\n]*\\s*"; ""))
+              }]' > changelog.json
+          jq -r '.[].version' changelog.json
+
+      - name: Upload to latest release
+        run: gh release upload "$(gh release view --json tagName -q .tagName)" changelog.json --clobber

.github/workflows/changeset_check.yml

@@ -0,0 +1,23 @@
+name: Changeset Check
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened, labeled, unlabeled]
+
+jobs:
+  changeset:
+    if: ${{ !contains(github.event.pull_request.labels.*.name, 'no changeset') }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
+        with:
+          fetch-depth: 0
+
+      - name: Require a change file
+        env:
+          BASE_REF: ${{ github.base_ref }}
+        run: |
+          if ! git diff --name-only --diff-filter=A "origin/$BASE_REF...HEAD" -- '.changeset/*.md' | grep -q .; then
+            echo "::error::Add a change file with \`knope document-change\`, or label the PR 'no changeset' if it isn't user-facing."
+            exit 1
+          fi

.github/workflows/oneclient_release.yml

@@ -3,17 +3,6 @@ name: OneClient Release Build
 
 on:
   workflow_dispatch:
-    inputs:
-      bump:
-        description: 'Bump the workspace version in Cargo.toml before releasing'
-        type: choice
-        required: false
-        default: none
-        options:
-          - none
-          - patch
-          - minor
-          - major
 
 # NOTE: CARGO_PACKAGER_SIGN_PRIVATE_KEY* are deliberately NOT declared at
 # workflow level. Swatinem/rust-cache folds every `CARGO*`-prefixed environment
@@ -37,18 +26,25 @@ jobs:
       sha: ${{ steps.version.outputs.sha }}
     steps:
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
+        with:
+          # Knope finds the commit (and so the PR author) that added each change file
+          fetch-depth: 0
 
       - name: Setup Rust
-        if: inputs.bump != 'none'
         uses: ./.github/actions/setup-rust
         with:
           restore-cache: false
 
-      - name: Resolve version, bump if requested, refuse to clobber a release
+      - name: Install Knope
+        uses: ./.github/actions/install-cargo-tool
+        with:
+          tool: knope
+          version: 0.23.0
+
+      - name: Consume changesets
         id: version
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          BUMP: ${{ inputs.bump }}
         shell: bash
         run: |
           set -euo pipefail
@@ -57,63 +53,29 @@ jobs:
             sed -n -E '/^\[workspace\.package\]/,/^\[/ s/^version[[:space:]]*=[[:space:]]*"([^"]+)".*/\1/p' Cargo.toml | head -n1
           }
 
+          # No change files means a re-run of a release whose version commit
+          # already landed, so carry on with the current version.
+          RELEASED=0
+          if compgen -G ".changeset/*.md" > /dev/null; then
+            knope prepare-release
+            cargo update --workspace --offline || cargo update --workspace
+            RELEASED=1
+          fi
+
           VERSION="$(read_version)"
           if [ -z "$VERSION" ]; then
             echo "::error::Could not read version from [workspace.package] in Cargo.toml"
             exit 1
           fi
-          echo "Current version: $VERSION"
-
-          if [ "$BUMP" != "none" ]; then
-            if ! [[ "$VERSION" =~ ^([0-9]+)\.([0-9]+)\.([0-9]+)$ ]]; then
-              echo "::error::Version '$VERSION' is not plain semver major.minor.patch; cannot bump automatically."
-              exit 1
-            fi
-            MAJOR="${BASH_REMATCH[1]}"; MINOR="${BASH_REMATCH[2]}"; PATCH="${BASH_REMATCH[3]}"
-            case "$BUMP" in
-              major) MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0 ;;
-              minor) MINOR=$((MINOR + 1)); PATCH=0 ;;
-              patch) PATCH=$((PATCH + 1)) ;;
-            esac
-            NEW_VERSION="$MAJOR.$MINOR.$PATCH"
-            echo "Bumping ($BUMP): $VERSION -> $NEW_VERSION"
-
-            # Only rewrite the `version` key inside [workspace.package]; the
-            # dependency pins further down the file must not be touched.
-            NEW_VERSION="$NEW_VERSION" python3 - <<'PY'
-          import os, re
-          new = os.environ["NEW_VERSION"]
-          src = open("Cargo.toml").read()
-          start = src.index("[workspace.package]")
-          end = src.find("\n[", start + 1)
-          end = len(src) if end == -1 else end
-          section, count = re.subn(
-              r'(?m)^version\s*=\s*"[^"]+"', f'version = "{new}"', src[start:end], count=1
-          )
-          assert count == 1, "no version key found in [workspace.package]"
-          open("Cargo.toml", "w").write(src[:start] + section + src[end:])
-          PY
-
-            # Workspace members inherit `version.workspace = true`, so only the
-            # lockfile's own entries for those members need refreshing.
-            cargo update --workspace --offline || cargo update --workspace
-
-            ACTUAL="$(read_version)"
-            if [ "$ACTUAL" != "$NEW_VERSION" ]; then
-              echo "::error::Version rewrite failed (Cargo.toml still reports '$ACTUAL')"
-              exit 1
-            fi
-            VERSION="$NEW_VERSION"
-          fi
-
           TAG="oneclient-$VERSION"
+          echo "Releasing OneClient $VERSION"
 
           # Abort rather than clobber: a published release (or an existing tag,
           # which only appears once a release is published) means this version
           # already shipped. A *draft* is a previous failed/partial run of this
           # same workflow, so reuse it.
           if git ls-remote --exit-code --tags origin "refs/tags/$TAG" >/dev/null 2>&1; then
-            echo "::error::Tag $TAG already exists on origin - OneClient $VERSION has already been released. Re-run with a bump, or bump the version in Cargo.toml."
+            echo "::error::Tag $TAG already exists on origin - OneClient $VERSION has already been released. Add a change file with \`knope document-change\` first."
             exit 1
           fi
 
@@ -123,17 +85,17 @@ jobs:
             RELEASE_EXISTS=1
           fi
           if [ "$RELEASE_EXISTS" = "1" ] && [ "$IS_DRAFT" != "true" ]; then
-            echo "::error::Release $TAG already exists and is published - refusing to overwrite OneClient $VERSION. Re-run with a bump, or bump the version in Cargo.toml."
+            echo "::error::Release $TAG already exists and is published - refusing to overwrite OneClient $VERSION. Add a change file with \`knope document-change\` first."
             exit 1
           fi
 
-          # Commit the bump only after the guards pass, so a rejected release
-          # does not leave a stray version bump on the branch.
-          if [ "$BUMP" != "none" ]; then
+          # Commit only after the guards pass, so a rejected release does not
+          # leave a stray version bump on the branch.
+          if [ "$RELEASED" = "1" ]; then
             git config user.name "github-actions[bot]"
             git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
-            git add Cargo.toml Cargo.lock
-            git commit -m "chore: bump to $VERSION"
+            git add -A Cargo.toml Cargo.lock .changeset CHANGELOG.md
+            git commit -m "chore: release $VERSION"
             git push origin "HEAD:${GITHUB_REF_NAME}"
           fi
 
@@ -143,11 +105,18 @@ jobs:
             echo "Reusing existing draft release $TAG"
             gh release edit "$TAG" --target "$SHA"
           else
+            # The body is what the launcher's changelog page shows
+            awk -v heading="## $VERSION " '/^## /{p = index($0, heading) == 1; next} p' \
+              CHANGELOG.md > notes.md 2>/dev/null || true
+            if ! grep -q '[^[:space:]]' notes.md; then
+              echo "::error::No changelog entry for $VERSION. Add a change file with \`knope document-change\` first."
+              exit 1
+            fi
             gh release create "$TAG" \
               --draft \
               --target "$SHA" \
               --title "OneClient $VERSION" \
-              --notes "Automated release for OneClient $VERSION."
+              --notes-file notes.md
           fi
 
           echo "version=$VERSION" >> "$GITHUB_OUTPUT"
@@ -189,7 +158,7 @@ jobs:
 
     runs-on: ${{ matrix.platform }}
     steps:
-      # Pin to the commit `prepare` resolved - with `bump` that is the version
+      # Pin to the commit `prepare` resolved - after a release that is the version
       # commit it just pushed, which github.sha would not point at.
       - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
         with:

CONTRIBUTING.md

@@ -73,6 +73,15 @@ and per-OS prerequisites.
 Once you have finished making your changes, create a pull request (PR) to submit them.
 
 - Fill out the template to help reviewers understand your changes and the purpose of your PR.
+- If your change is user-facing, add a change file with `knope document-change`, or create `.changeset/<anything>.md` by hand:
+  ```md
+  ---
+  default: patch
+  ---
+
+  # Fixed the thing players noticed
+  ```
+  Use `patch` for fixes, `minor` for features and `major` for breaking changes. The title becomes your line in the release notes. PRs without one fail the `Changeset Check` unless a maintainer labels them `no changeset`.
 - If you are addressing an existing issue, don't forget to [link your PR to the issue].
 - Enable the checkbox to [allow maintainer edits] so that the branch can be updated for merging.
 - Once you submit your PR, a team member will review your proposal. They may ask questions or request additional information.

README.md

@@ -67,6 +67,11 @@ cargo packager --release -p oneclient_app --formats <targets>
 
 The workspace shares a single version, defined in the root [`Cargo.toml`](./Cargo.toml) under `[workspace.package]`.
 
+Versions and release notes come from [Knope](https://knope.tech) change files in [`.changeset/`](./.changeset).
+Add one per user-facing change with `knope document-change` (installed via `cargo install knope`). The
+`OneClient Release Build` workflow consumes them, bumps the version, writes [`CHANGELOG.md`](./CHANGELOG.md),
+and uses the new entry as the GitHub release body, which is what the launcher's changelog page shows.
+
 
 ## Code signing
 

knope.toml

@@ -0,0 +1,28 @@
+[package]
+versioned_files = ["Cargo.toml"]
+changelog = "CHANGELOG.md"
+
+[changes]
+ignore_conventional_commits = true
+
+[release_notes]
+change_templates = [
+  "- $summary by [$pr_author_login](https://github.com/$pr_author_login)",
+  "- $summary",
+]
+
+[github]
+owner = "Polyfrost"
+repo = "OneLauncher"
+
+[[workflows]]
+name = "prepare-release"
+
+[[workflows.steps]]
+type = "PrepareRelease"
+
+[[workflows]]
+name = "document-change"
+
+[[workflows.steps]]
+type = "CreateChangeFile"

packages/oneclient_app/src/hooks/mod.rs

@@ -41,7 +41,7 @@ pub use queries::{
     UseDiscardLeftovers, UseLogAction, UseRefreshAccount, UseRemoveAccount, UseScreenshotAction,
     UseSetDefaultAccount, UseStorageAction, UseUploadLog, VERSIONS_PAGE_SIZE,
     accounts_have_microsoft, available_bundles, bundle_overrides_map, bundles_with_status_items,
-    category_list, changelog_error, changelog_groups, changelog_is_loading, cluster_art_url,
+    category_list, changelog_entries, changelog_error, changelog_is_loading, cluster_art_url,
     cluster_content_items, content_type_for_slug, disable_warnings, game_versions,
     has_migration_data, invalidate_cluster_content_queries, invalidate_cluster_queries,
     invalidate_java_queries, invalidate_leftovers_queries, invalidate_logs_queries,

packages/oneclient_app/src/hooks/queries/changelog.rs

@@ -1,38 +1,30 @@
 use freya::query::{Query, QueryCapability, UseQuery, use_query};
-use oneclient_core::{ChangelogGroup, LauncherError, fetch_changelog, parse_changelog};
-
-#[derive(Clone, Debug, PartialEq, Eq, Hash)]
-pub struct ChangelogKeys {
-    pub meta_url_base: String,
-}
+use oneclient_core::{ChangelogEntry, LauncherError, fetch_changelog};
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
 pub struct ChangelogQuery;
 
 impl QueryCapability for ChangelogQuery {
-    type Ok = Vec<ChangelogGroup>;
+    type Ok = Vec<ChangelogEntry>;
     type Err = LauncherError;
-    type Keys = ChangelogKeys;
+    type Keys = ();
 
     async fn run(&self, _keys: &Self::Keys) -> Result<Self::Ok, Self::Err> {
         let state = crate::launcher::state()?;
-        let markdown = fetch_changelog(&state.services.requester).await?;
-        Ok(parse_changelog(&markdown))
+        fetch_changelog(&state.services.requester).await
     }
 }
 
 pub fn use_changelog() -> UseQuery<ChangelogQuery> {
-    let meta_url_base = super::use_meta_url_key();
-
-    use_query(Query::new(ChangelogKeys { meta_url_base }, ChangelogQuery))
+    use_query(Query::new((), ChangelogQuery))
 }
 
-pub fn changelog_groups(query: &UseQuery<ChangelogQuery>) -> Option<Vec<ChangelogGroup>> {
+pub fn changelog_entries(query: &UseQuery<ChangelogQuery>) -> Option<Vec<ChangelogEntry>> {
     super::state::settled_or_loading(query)
 }
 
 pub fn latest_changelog_version(query: &UseQuery<ChangelogQuery>) -> Option<String> {
-    changelog_groups(query).and_then(|groups| groups.first().map(|group| group.version.clone()))
+    changelog_entries(query).and_then(|entries| entries.first().map(|entry| entry.version.clone()))
 }
 
 pub fn changelog_error(query: &UseQuery<ChangelogQuery>) -> Option<String> {

packages/oneclient_app/src/hooks/queries/mod.rs

@@ -56,7 +56,7 @@ pub use bundles::{
     use_onboarding_bundles,
 };
 pub use changelog::{
-    changelog_error, changelog_groups, changelog_is_loading, latest_changelog_version,
+    changelog_entries, changelog_error, changelog_is_loading, latest_changelog_version,
     use_changelog,
 };
 pub use cluster_content::{cluster_content_items, use_cluster_content, use_migratable_routes};

packages/oneclient_app/src/view/app/settings/changelog.rs

@@ -4,9 +4,9 @@ use freya::animation::{
 use freya::prelude::*;
 
 use super::settings_page;
-use crate::components::{Icon, IconType};
+use crate::components::{Icon, IconType, Markdown, MarkdownStyle};
 use crate::hooks::{
-    changelog_error, changelog_groups, changelog_is_loading, latest_changelog_version,
+    changelog_entries, changelog_error, changelog_is_loading, latest_changelog_version,
     use_changelog, use_dispatch, use_settings_snapshot,
 };
 use crate::theme::colors;
@@ -55,15 +55,15 @@ impl Component for SettingsChangelog {
                 .into_element();
         }
 
-        let groups = changelog_groups(&query).unwrap_or_default();
+        let entries = changelog_entries(&query).unwrap_or_default();
 
         settings_page()
-            .children(groups.into_iter().enumerate().map(|(i, group)| {
-                let current = group.version == installed_version;
+            .children(entries.into_iter().enumerate().map(|(i, entry)| {
+                let current = entry.version == installed_version;
                 ReleaseCard {
-                    version: group.version,
+                    version: entry.version,
                     current,
-                    changes: group.changes,
+                    body: entry.body,
                     initially_open: i == 0,
                 }
                 .into_element()
@@ -79,7 +79,7 @@ const CHEVRON_CLOSED_DEG: f32 = -90.;
 struct ReleaseCard {
     version: String,
     current: bool,
-    changes: Vec<String>,
+    body: String,
     initially_open: bool,
 }
 
@@ -110,8 +110,6 @@ impl Component for ReleaseCard {
             self.version.clone()
         };
 
-        let changes = self.changes.clone();
-
         rect()
             .vertical()
             .width(Size::fill())
@@ -144,48 +142,30 @@ impl Component for ReleaseCard {
                     ),
             )
             .maybe_child(is_open.then(|| {
-                rect()
-                    .vertical()
-                    .width(Size::fill())
-                    .spacing(4.)
-                    .padding(Gaps::new(0., 0., 0., 6.))
-                    .children(if changes.is_empty() {
-                        vec![
-                            rect()
-                                .child(
+                if self.body.trim().is_empty() {
                     label()
                         .text("No changes recorded for this version.")
                         .font_size(12.)
-                                        .color(colors::fg_secondary()),
-                                )
-                                .into_element(),
-                        ]
+                        .color(colors::fg_secondary())
+                        .into_element()
                 } else {
-                        changes
-                            .into_iter()
-                            .map(|change| {
-                                rect()
-                                    .horizontal()
+                    Markdown::new(self.body.clone())
                         .width(Size::fill())
-                                    .spacing(8.)
-                                    .child(
-                                        label()
-                                            .text("•")
-                                            .font_size(12.)
-                                            .color(colors::fg_secondary()),
-                                    )
-                                    .child(
-                                        label()
-                                            .text(change)
-                                            .font_size(12.)
-                                            .width(Size::flex(1.0))
-                                            .color(colors::fg_primary()),
-                                    )
-                                    .into_element()
-                            })
-                            .collect()
+                        .style(MarkdownStyle {
+                            color: colors::fg_primary(),
+                            color_link: colors::code_info(),
+                            color_code: colors::fg_primary(),
+                            background_code: colors::component_bg(),
+                            background_blockquote: colors::component_bg(),
+                            border_blockquote: colors::brand(),
+                            background_divider: colors::component_border(),
+                            headings: [18., 16., 14., 13., 12., 12.],
+                            paragraph_size: 12.,
+                            code_font_size: 11.,
+                            ..MarkdownStyle::default()
                         })
                         .into_element()
+                }
             }))
             .into_element()
     }

packages/oneclient_core/src/changelog.rs

@@ -3,60 +3,24 @@ use oneclient_common::paths;
 use oneclient_net::RequestClient;
 use oneclient_net::{EtagPolicy, fetch_cached};
 
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct ChangelogGroup {
+const CHANGELOG_URL: &str =
+    "https://github.com/Polyfrost/OneLauncher/releases/latest/download/changelog.json";
+
+#[derive(Debug, Clone, PartialEq, Eq, serde::Deserialize)]
+pub struct ChangelogEntry {
     pub version: String,
-    pub changes: Vec<String>,
-}
-
-pub fn parse_changelog(data: &str) -> Vec<ChangelogGroup> {
-    let mut groups = Vec::new();
-
-    for line in data.lines() {
-        if let Some(version) = line.strip_prefix("# ") {
-            groups.push(ChangelogGroup {
-                version: version.trim().to_string(),
-                changes: Vec::new(),
-            });
-        } else if let Some(change) = line.strip_prefix("- ") {
-            if let Some(group) = groups.last_mut() {
-                group.changes.push(change.trim().to_string());
-            }
-        } else if line.trim() == "###" {
-            break;
-        }
-    }
-
-    groups
+    pub body: String,
 }
 
 #[tracing::instrument(level = "debug", skip(net))]
-pub async fn fetch_changelog(net: &RequestClient) -> LauncherResult<String> {
-    let url = format!("{}/oneclient/CHANGE_LOG.md", net.config().meta_url_base);
-    let cache_path = paths::caches_dir()?.join("CHANGE_LOG.md");
+pub async fn fetch_changelog(net: &RequestClient) -> LauncherResult<Vec<ChangelogEntry>> {
+    let cache_path = paths::caches_dir()?.join("changelog.json");
 
-    let fetched = fetch_cached(net, &url, &cache_path, EtagPolicy::CommitNow)
+    let fetched = fetch_cached(net, CHANGELOG_URL, &cache_path, EtagPolicy::CommitNow)
         .await?
         .ok_or_else(|| LauncherError::InvalidSettingsProfile {
             reason: "changelog is unavailable and not cached".to_string(),
         })?;
 
-    Ok(fetched.text())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn parse_changelog_groups_versions_and_bullets() {
-        let data = "# 2.0.0\n\n- Faster UI\n- Bug fixes\n# 1.9.0\n- Older change\n###\nignored\n";
-        let groups = parse_changelog(data);
-
-        assert_eq!(groups.len(), 2);
-        assert_eq!(groups[0].version, "2.0.0");
-        assert_eq!(groups[0].changes, vec!["Faster UI", "Bug fixes"]);
-        assert_eq!(groups[1].version, "1.9.0");
-        assert_eq!(groups[1].changes, vec!["Older change"]);
-    }
+    Ok(fetched.json()?)
 }

packages/oneclient_core/src/lib.rs

@@ -23,7 +23,7 @@ pub mod tos;
 pub mod verify;
 pub mod versions;
 
-pub use changelog::{ChangelogGroup, fetch_changelog, parse_changelog};
+pub use changelog::{ChangelogEntry, fetch_changelog};
 pub use clusters::{
     Cluster, ClusterError, ClusterManager, ClusterStage, ClusterUpdate, CreateClusterOptions,
     apply_bundle_java_override, ensure_from_bundles, ensure_from_versions,