fix rpm packaging

.github/workflows/oneclient_nightly.yml

@@ -32,7 +32,7 @@ jobs:
             target: ''
             os_key: linux
             arch: x86_64
-            formats: deb,rpm,appimage
+            formats: deb,appimage
           - platform: windows-latest
             target: ''
             os_key: windows
@@ -95,6 +95,15 @@ jobs:
             echo "dir=target/release" >> "$GITHUB_OUTPUT"
           fi
 
+      - name: (Linux) Build RPM
+        if: matrix.platform == 'ubuntu-22.04'
+        shell: bash
+        run: |
+          set -euo pipefail
+          cargo install cargo-generate-rpm --version 0.21.0 --locked
+          cargo generate-rpm -p oneclient_app
+          cp target/generate-rpm/*.rpm "${{ steps.outdir.outputs.dir }}/"
+
       # Upload debug info (dSYM / .dwp / .pdb produced by the release profile's
       # split-debuginfo) to Sentry so nightly crash reports get real file/function/
       # line stack traces instead of raw addresses. Runs on every main push, so

.github/workflows/oneclient_release.yml

@@ -65,7 +65,7 @@ jobs:
             target: ''
             os_key: linux
             arch: x86_64
-            formats: deb,rpm,appimage
+            formats: deb,appimage
           - platform: windows-latest
             target: ''
             os_key: windows
@@ -167,6 +167,15 @@ jobs:
             echo "dir=target/release" >> "$GITHUB_OUTPUT"
           fi
 
+      - name: (Linux) Build RPM
+        if: matrix.platform == 'ubuntu-22.04'
+        shell: bash
+        run: |
+          set -euo pipefail
+          cargo install cargo-generate-rpm --version 0.21.0 --locked
+          cargo generate-rpm -p oneclient_app
+          cp target/generate-rpm/*.rpm "${{ steps.outdir.outputs.dir }}/"
+
       # Upload debug info (dSYM / .dwp / .pdb produced by the release profile's
       # split-debuginfo) to Sentry so crash reports get real file/function/line
       # stack traces instead of raw addresses. Skips silently unless the repo has
@@ -273,7 +282,7 @@ jobs:
             cp "${deb_matches[0]}" "$OUT_DIR/$deb_unique"
           fi
 
-          # Same treatment for the .rpm (cargo-packager names it
+          # Same treatment for the .rpm (cargo-generate-rpm names it
           # oneclient_app-<ver>-1.x86_64.rpm).
           rpm_unique=""
           rpm_matches=("$OUT_DIR"/*.rpm)

packages/oneclient_app/Cargo.toml

@@ -58,7 +58,7 @@ publisher = "Polyfrost"
 copyright = "© 2026 Polyfrost Inc."
 homepage = "https://polyfrost.org/projects/oneclient"
 long-description = "Next-generation open source Minecraft launcher"
-formats = ["nsis", "app", "dmg", "deb", "rpm", "appimage"]
+formats = ["nsis", "app", "dmg", "deb", "appimage"]
 binaries = [{ path = "oneclient_app", main = true }]
 icons = [
   "icons/32x32.png",
@@ -122,9 +122,16 @@ SectionEnd
 [package.metadata.packager.deb]
 desktop-template = "distribution/linux/org.polyfrost.oneclient.template"
 
-[package.metadata.packager.rpm]
-desktop-template = "distribution/linux/org.polyfrost.oneclient.template"
-
 [package.metadata.packager.appimage]
 # desktop entry generated from the deb template above via the linux config
 
+[package.metadata.generate-rpm]
+auto-req = "builtin"
+assets = [
+  { source = "target/release/oneclient_app", dest = "/usr/bin/oneclient_app", mode = "755" },
+  { source = "target/release/.cargo-packager/deb/*/data/usr/share/applications/oneclient_app.desktop", dest = "/usr/share/applications/", mode = "644" },
+  { source = "icons/32x32.png", dest = "/usr/share/icons/hicolor/32x32/apps/oneclient_app.png", mode = "644" },
+  { source = "icons/128x128.png", dest = "/usr/share/icons/hicolor/128x128/apps/oneclient_app.png", mode = "644" },
+  { source = "icons/512x512.png", dest = "/usr/share/icons/hicolor/512x512/apps/oneclient_app.png", mode = "644" },
+]
+