build(ci): align workflows with flake and enable mold/chafa

- Enable `chafa-dyn` feature for `ratatui-image` to support dynamic linking
- Add `pkgs.chafa` to `flake.nix` build inputs
- Update CI to install `libchafa`, `mold`, and `clang`
- Configure `mold` linker and `clang` environment variables for Linux and macOS

Author: linuxmobile

.github/workflows/ci.yml

@@ -37,7 +37,20 @@ jobs:
 
       - name: Install Linux dependencies
         if: runner.os == 'Linux'
-        run: sudo apt-get update && sudo apt-get install -y libdbus-1-dev pkg-config
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libdbus-1-dev pkg-config libchafa-dev libglib2.0-dev mold clang
+          echo "RUSTFLAGS=-C link-arg=-fuse-ld=mold" >> $GITHUB_ENV
+          echo "CC=clang" >> $GITHUB_ENV
+          echo "CXX=clang++" >> $GITHUB_ENV
+
+      - name: Install macOS dependencies
+        if: runner.os == 'macOS'
+        run: |
+          brew install chafa pkg-config mold llvm
+          echo "RUSTFLAGS=-C link-arg=-fuse-ld=mold" >> $GITHUB_ENV
+          echo "CC=$(brew --prefix llvm)/bin/clang" >> $GITHUB_ENV
+          echo "CXX=$(brew --prefix llvm)/bin/clang++" >> $GITHUB_ENV
 
       - run: cargo test --release --target ${{ matrix.target }}
 

Cargo.lock

@@ -51,7 +51,7 @@ lru = "0.16.3"
 unicode-width = "0.2.0"
 
 # Image rendering
-ratatui-image = { version = "10.0.3", features = ["crossterm"], default-features = false }
+ratatui-image = { version = "10.0.3", features = ["crossterm", "chafa-dyn"], default-features = false }
 image = { version = "0.25.9", default-features = false, features = ["png", "jpeg", "webp"] }
 sha2 = "0.10.9"
 hex = "0.4.3"

Cargo.toml

@@ -43,6 +43,7 @@
           buildInputs =
             [
               pkgs.dbus
+              pkgs.chafa
             ]
             ++ pkgs.lib.optionals pkgs.stdenv.hostPlatform.isDarwin [
               pkgs.darwin.apple_sdk.frameworks.Security