Add MSRV and streamline CI

.github/workflows/ci.yml

@@ -7,39 +7,39 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Install Java
-        uses: actions/setup-java@v3
+      - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
           java-version: '17'
-      - name: Download the CFF dump utility
-        run: wget https://github.com/janpe2/CFFDump/releases/download/v1.3.0/CFFDump_bin_cli_1.3.0.jar -O CFFDump_bin_cli_1.3.0.jar
-      - name: Set CFF_DUMP_BIN environment variable
-        run: echo "CFF_DUMP_BIN=$PWD/CFFDump_bin_cli_1.3.0.jar" >> $GITHUB_ENV
-      - name: Set up Python
-        uses: actions/setup-python@v5
+      - run: wget https://github.com/janpe2/CFFDump/releases/download/v1.3.0/CFFDump_bin_cli_1.3.0.jar -O CFFDump_bin_cli_1.3.0.jar
+      - run: echo "CFF_DUMP_BIN=$PWD/CFFDump_bin_cli_1.3.0.jar" >> $GITHUB_ENV
+      - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-      - name: Install fonttools
-        run: pip install fonttools==4.50
-      - uses: dtolnay/rust-toolchain@stable
+      - run: pip install fonttools==4.50
+      - uses: dtolnay/rust-toolchain@1.89.0
       - run: cargo build
-        name: Build
       - run: cargo build --no-default-features
-        name: Build without default features
       - run: cargo test
-        name: Run tests
 
   checks:
     name: Check clippy, formatting, and documentation
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@1.83.0
+      - uses: dtolnay/rust-toolchain@1.89.0
         with:
           components: clippy, rustfmt
       - uses: Swatinem/rust-cache@v2
-      - uses: taiki-e/install-action@cargo-hack
-      - run: cargo clippy
+      - run: cargo clippy --workspace --all-targets --all-features
       - run: cargo fmt --check --all
       - run: cargo doc --workspace --no-deps
+
+  min-version:
+    name: Check minimum Rust version
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@1.82.0
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo check --workspace

Cargo.toml

@@ -4,6 +4,7 @@ resolver = "2"
 
 [workspace.package]
 version = "0.2.2"
+rust-version = "1.82" # also change in ci.yml
 authors = ["Laurenz Mädje <laurmaedje@gmail.com>", "Laurenz Stampfl <laurenz.stampfl@gmail.com>"]
 edition = "2021"
 repository = "https://github.com/typst/subsetter"
@@ -17,6 +18,7 @@ categories = ["compression", "encoding"]
 keywords = ["subsetting", "OpenType", "PDF"]
 exclude = ["fonts/*", "tests/*"]
 version = { workspace = true }
+rust-version = { workspace = true }
 authors = { workspace = true }
 edition = { workspace = true }
 repository = { workspace = true }

tests/src/main.rs

@@ -53,12 +53,12 @@ fn test_cff_dump(font_file: &str, gids: &str, num: u16) {
 
     std::fs::write(otf_path.clone(), subset).unwrap();
 
-    let cff_dump_util = env!("CFF_DUMP_BIN");
+    let cff_dump_util = std::env::var("CFF_DUMP_BIN").unwrap();
 
     let output = Command::new("java")
         .args([
             "-jar",
-            cff_dump_util,
+            &cff_dump_util,
             "-otf",
             "-c",
             "-long",