feat: Adds nix subcommand that uses the fuel.nix flake to manage binaries

.github/workflows/ci.yml

@@ -51,6 +51,37 @@ jobs:
       - name: Attempt to install fuelup through fuelup-init.sh
         run: ./fuelup-init.sh
 
+  test-fuelup-nix:
+    needs: cancel-previous-runs
+    if: github.event_name != 'release' || github.event.action != 'published'
+    name: Test fuelup nix
+    strategy:
+      matrix:
+        job:
+          - os: ubuntu-latest
+          - os: macos-latest
+    runs-on: ${{ matrix.job.os }}
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install toolchain
+        uses: dtolnay/rust-toolchain@stable
+      - name: Attempt to install fuelup through cargo
+        run: cargo install --path .
+      - uses: cachix/install-nix-action@v22
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+      - name: Copy nix.conf to /etc/nix/nix.conf
+        run: sudo cp -f /etc/nix/nix.conf ./nix.conf
+      - name: Test fuelup nix install
+        run: ~/.cargo/bin/fuelup nix install latest
+      - name: Test fuelup nix list
+        run: ~/.cargo/bin/fuelup nix list
+      - name: Test fuelup nix upgrade
+        run: ~/.cargo/bin/fuelup nix upgrade
+      - name: Test fuelup nix remove
+        run: ~/.cargo/bin/fuelup nix remove 0
+
   cargo-clippy:
     needs: cancel-previous-runs
     runs-on: ubuntu-latest
@@ -59,7 +90,7 @@ jobs:
 
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@stable
-      
+
       - uses: Swatinem/rust-cache@v1
 
       - name: Check Clippy Linter
@@ -73,10 +104,10 @@ jobs:
 
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@stable
-      
+
       - name: Check Formatting
         run: cargo fmt --all -- --check
-        
+
   cargo-test-workspace:
     needs: cancel-previous-runs
     runs-on: ubuntu-latest
@@ -85,10 +116,10 @@ jobs:
 
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@stable
-      
+
       - name: Run tests
         run: cargo test --locked --workspace
-        
+
   lint-toml-files:
     needs: cancel-previous-runs
     runs-on: ubuntu-latest
@@ -99,7 +130,7 @@ jobs:
 
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@stable
-      
+
       - name: Install Cargo.toml linter
         uses: baptiste0928/cargo-install@v1
         with:
@@ -269,16 +300,16 @@ jobs:
       # Re-generate the channel TOML file
       - name: Rebuild channel with updated components
         run: |
-            mkdir -p ${{ env.LATEST_CHANNEL_DIR }}
-            CHANNEL_TOML="channel-fuel-latest.toml"
+          mkdir -p ${{ env.LATEST_CHANNEL_DIR }}
+          CHANNEL_TOML="channel-fuel-latest.toml"
 
-            FORC_VERSION=$(grep -A1 '\[pkg.forc\]' ./gh-pages/channel-fuel-latest.toml | cut -d "\"" -f2)
-            FUEL_CORE_VERSION=$(grep -A1 '\[pkg.fuel-core\]' ./gh-pages/channel-fuel-latest.toml | cut -d "\"" -f2)
+          FORC_VERSION=$(grep -A1 '\[pkg.forc\]' ./gh-pages/channel-fuel-latest.toml | cut -d "\"" -f2)
+          FUEL_CORE_VERSION=$(grep -A1 '\[pkg.fuel-core\]' ./gh-pages/channel-fuel-latest.toml | cut -d "\"" -f2)
 
-            PUBLISHED_DATE=$(date +'%Y-%m-%d')
-            build-channel $CHANNEL_TOML $PUBLISHED_DATE --github-run-id $GITHUB_RUN_ID forc=$FORC_VERSION fuel-core=$FUEL_CORE_VERSION
+          PUBLISHED_DATE=$(date +'%Y-%m-%d')
+          build-channel $CHANNEL_TOML $PUBLISHED_DATE --github-run-id $GITHUB_RUN_ID forc=$FORC_VERSION fuel-core=$FUEL_CORE_VERSION
 
-            cp $CHANNEL_TOML ${{ env.LATEST_CHANNEL_DIR }}
+          cp $CHANNEL_TOML ${{ env.LATEST_CHANNEL_DIR }}
 
       - name: Deploy latest channel
         if: ${{ env.LATEST_COMPATIBLE_FORC && env.LATEST_COMPATIBLE_FUEL_CORE }}
@@ -288,8 +319,8 @@ jobs:
           publish_dir: ${{ env.LATEST_CHANNEL_DIR }}
           keep_files: true
           destination_dir: ./
-          user_name: 'github-actions[bot]'
-          user_email: 'github-actions[bot]@users.noreply.github.com'
+          user_name: "github-actions[bot]"
+          user_email: "github-actions[bot]@users.noreply.github.com"
 
   post-release-checks:
     name: Do post-release checks

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "rust-analyzer.showUnlinkedFileNotification": false
+}

fuelup-init.sh

@@ -17,6 +17,13 @@ main() {
     check_cargo_bin forc-lsp
     check_cargo_bin fuel-core
 
+    local _found_nix=false
+    if check_cmd nix; then
+        _found_nix=true
+    else
+        run_fuel_nix_install_script
+    fi
+
     get_architecture || return 1
     local _arch="$RETVAL"
     assert_nz "$_arch" "arch"
@@ -150,6 +157,10 @@ main() {
         add_path_message
     fi
 
+    if [ "$_found_nix" = true ]; then
+        found_nix_message
+    fi
+
     return "$_retval"
 }
 
@@ -158,6 +169,8 @@ preinstall_confirmation() {
 
 fuelup uses "$FUELUP_DIR" as its home directory to manage the Fuel toolchain, and will install binaries there.
 
+Using the fuelup nix subcommands will manage installed binaries at /nix/store.
+
 To use the toolchain, you will have to configure your PATH, which tells your machine where to locate fuelup and the Fuel toolchain.
 
 If permitted, fuelup-init will configure your PATH for you by running the following:
@@ -183,6 +196,20 @@ fish_add_path ~/.fuelup/bin
 EOF
 }
 
+found_nix_message() {
+    cat 1>&2 <<EOF
+
+Found pre-configured nix installation.
+
+IMPORTANT: Certain nix features must be enabled for fuelup nix to work.
+
+Please follow the instructions below to finish your setup, as fuelup will not amend nix config files for you at this time.
+
+- Nix   : https://github.com/FuelLabs/fuel.nix/blob/master/book/src/nix-setup.md#configuring-an-existing-nix-installation
+- NixOS : https://github.com/FuelLabs/fuel.nix/blob/master/book/src/nix-setup.md#configuring-nixos
+EOF
+}
+
 get_architecture() {
     local _ostype _cputype
     _ostype="$(uname -s)"
@@ -330,6 +357,11 @@ downloader() {
     fi
 }
 
+run_fuel_nix_install_script() {
+    echo "running fuel.nix install script..."
+    curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix/tag/v0.9.0 | sh -s -- install --no-confirm --extra-conf "extra-substituters = https://fuellabs.cachix.org" --extra-conf "extra-trusted-public-keys = fuellabs.cachix.org-1:3gOmll82VDbT7EggylzOVJ6dr0jgPVU/KMN6+Kf8qx8="
+}
+
 # Check if curl supports the --retry flag, then pass it to the curl invocation.
 check_curl_for_retry_support() {
     local _retry_supported=""

nix.conf

@@ -0,0 +1,9 @@
+# Generated by https://github.com/DeterminateSystems/nix-installer, version 0.9.0.
+experimental-features = nix-command flakes auto-allocate-uids
+extra-trusted-public-keys = fuellabs.cachix.org-1:3gOmll82VDbT7EggylzOVJ6dr0jgPVU/KMN6+Kf8qx8=
+extra-nix-path = nixpkgs=flake:nixpkgs
+auto-optimise-store = true
+extra-substituters = https://fuellabs.cachix.org
+auto-allocate-uids = true
+build-users-group = nixbld
+bash-prompt-prefix = (nix:$name)\040

src/commands/component.rs

@@ -26,7 +26,7 @@ pub struct RemoveCommand {
 }
 
 #[derive(Debug, Parser)]
-pub struct ListCommand {}
+pub struct ListCommand;
 
 pub fn exec(command: ComponentCommand) -> Result<()> {
     match command {

src/commands/mod.rs

@@ -3,6 +3,7 @@ pub mod completions;
 pub mod component;
 pub mod default;
 pub mod fuelup;
+pub mod nix;
 pub mod show;
 pub mod toolchain;
 pub mod update;