ci: use devenv to install required deps

Signed-off-by: Ruowen Qin <ruowenq2@illinois.edu>

Author: chinrw

.github/workflows/memcached_benchmark.yml

@@ -23,30 +23,23 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - uses: cachix/install-nix-action@v26
+      - uses: cachix/cachix-action@v14
+        with:
+          name: devenv
+      - name: Install devenv.sh
+        run: nix profile install nixpkgs#devenv
 
-      # Install Ubuntu dependencies
-      - name: Install Ubuntu dependencies
-        run: |
-          sudo apt-get install -y pkg-config libzstd-dev mold binutils memcached
-          sudo systemctl stop memcached
-          wget https://apt.llvm.org/llvm.sh
-          chmod +x llvm.sh
-          sudo ./llvm.sh 19 all
-          sudo update-alternatives --verbose --install /usr/bin/clang clang /usr/bin/clang-19 10000 \
-            --slave /usr/bin/lld lld /usr/bin/lld-19 \
-            --slave /usr/bin/ld.lld ld.lld /usr/bin/ld.lld-19
+      - name: Build the devenv shell and run any pre-commit hooks
+        run: devenv test
 
-      - uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          components: rustfmt
-          toolchain: stable
-      - name: Rustfmt Check
-        uses: actions-rust-lang/rustfmt@v1
-        with:
-          manifest-path: ./tools/memcached_benchmark/Cargo.toml
       - name: Build
-        run: RUSTFLAGS='-Ctarget-cpu=native -Clinker-plugin-lto -Clink-arg=-flto=thin -Clink-arg=-fuse-ld=mold -Clink-arg=-Wl,-O1 -Clink-arg=-Wl,--as-needed' cargo build -vvv
-      - name: Run tests with debug build
-        run: RUSTFLAGS='-Ctarget-cpu=native -Clinker-plugin-lto -Clink-arg=-flto=thin -Clink-arg=-fuse-ld=mold -Clink-arg=-Wl,-O1 -Clink-arg=-Wl,--as-needed' cargo test --verbose
-      - name: Run tests with release build
-        run: RUSTFLAGS='-Ctarget-cpu=native -Clinker-plugin-lto -Clink-arg=-flto=thin -Clink-arg=-fuse-ld=mold -Clink-arg=-Wl,-O1 -Clink-arg=-Wl,--as-needed' cargo test -r --verbose
+        shell: devenv shell bash -- -e {0}
+        run: |
+          cargo fmt --check --verbose
+          cargo build -r --verbose
+      - name: Run tests
+        shell: devenv shell bash -- -e {0}
+        run: |
+          cargo test --verbose
+          cargo test -r --verbose

tools/memcached_benchmark/.gitignore

@@ -9,3 +9,23 @@ devenv.local.nix
 
 # pre-commit
 .pre-commit-config.yaml
+
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml
+
+# Devenv
+.devenv*
+devenv.local.nix
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml

tools/memcached_benchmark/devenv.lock

@@ -3,10 +3,10 @@
     "devenv": {
       "locked": {
         "dir": "src/modules",
-        "lastModified": 1741348424,
+        "lastModified": 1743521698,
         "owner": "cachix",
         "repo": "devenv",
-        "rev": "8f8c96bb1e0c6a59a97592328dc61b9fdbe7474b",
+        "rev": "4917f16d045f12d938d0a29fb1cbfb9e24ae6d0d",
         "type": "github"
       },
       "original": {
@@ -24,10 +24,10 @@
         "rust-analyzer-src": "rust-analyzer-src"
       },
       "locked": {
-        "lastModified": 1741501636,
+        "lastModified": 1742452566,
         "owner": "nix-community",
         "repo": "fenix",
-        "rev": "6781661e331d1efe11023d4a35f2dfe65272f248",
+        "rev": "7d9ba794daf5e8cc7ee728859bc688d8e26d5f06",
         "type": "github"
       },
       "original": {
@@ -60,10 +60,10 @@
         ]
       },
       "locked": {
-        "lastModified": 1741379162,
+        "lastModified": 1742649964,
         "owner": "cachix",
         "repo": "git-hooks.nix",
-        "rev": "b5a62751225b2f62ff3147d0a334055ebadcd5cc",
+        "rev": "dcf5072734cb576d2b0c59b2ac44f5050b5eac82",
         "type": "github"
       },
       "original": {
@@ -94,16 +94,16 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1733477122,
-        "owner": "cachix",
-        "repo": "devenv-nixpkgs",
-        "rev": "7bd9e84d0452f6d2e63b6e6da29fe73fac951857",
+        "lastModified": 1743315132,
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "52faf482a3889b7619003c0daec593a1912fddc1",
         "type": "github"
       },
       "original": {
-        "owner": "cachix",
-        "ref": "rolling",
-        "repo": "devenv-nixpkgs",
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
         "type": "github"
       }
     },
@@ -121,10 +121,10 @@
     "rust-analyzer-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1741517882,
+        "lastModified": 1743506973,
         "owner": "rust-lang",
         "repo": "rust-analyzer",
-        "rev": "5e7dd31c80d5821113ed9c9aa1616a73a63b49a1",
+        "rev": "c7845a6d70ea887e212ac6f682bea0a0e4fe245b",
         "type": "github"
       },
       "original": {

tools/memcached_benchmark/devenv.nix

@@ -5,7 +5,7 @@
   env.GREET = "devenv";
 
   # https://devenv.sh/packages/
-  packages = [ pkgs.git ];
+  packages = with pkgs; [ git mold llvmPackages_20.clangUseLLVM memcached ];
 
   # https://devenv.sh/languages/
   languages.rust = {

tools/memcached_benchmark/devenv.yaml

@@ -1,6 +1,6 @@
 inputs:
   nixpkgs:
-    url: github:cachix/devenv-nixpkgs/rolling
+    url: github:nixos/nixpkgs/nixos-unstable
   fenix:
     url: github:nix-community/fenix
     inputs: