Add FreeBSD CI (#2072)

* feat(ci): add FreeBSD job

* Update .github/workflows/ci.yml

* fix(workflow): remove 10m timeout for freebsd job, put it back later if there is an actual reason

* feat(workflow): enable cache on freebsd job

* feat(workflow): add custom CARGO_HOME for freebsd job

* wip

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* clean-up

* test cache

---------

Co-authored-by: Ivan Molodetskikh <yalterz@gmail.com>

.github/workflows/ci.yml

@@ -12,6 +12,7 @@ env:
   DEPS_APT: curl gcc clang libudev-dev libgbm-dev libxkbcommon-dev libegl1-mesa-dev libwayland-dev libinput-dev libdbus-1-dev libsystemd-dev libseat-dev libpipewire-0.3-dev libpango1.0-dev libdisplay-info-dev
   DEPS_DNF: cargo gcc clang libudev-devel libgbm-devel libxkbcommon-devel wayland-devel libinput-devel dbus-devel systemd-devel libseat-devel pipewire-devel pango-devel cairo-gobject-devel libdisplay-info-devel
   DEPS_APK: cargo clang-libclang eudev-dev glib-dev libdisplay-info-dev libinput-dev libseat-dev libxkbcommon-dev mesa-dev pango-dev pipewire-dev tar
+  DEPS_PKG: git curl rust llvm pkgconf pixman libudev-devd libdisplay-info seatd libinput libxkbcommon pipewire mesa-libs cairo devel/glib20 gettext-runtime harfbuzz pango
 
 jobs:
   build:
@@ -85,7 +86,7 @@ jobs:
 
       - name: Install Deps
         run: apk add --no-cache ${{ env.DEPS_APK }}
-      
+
       - uses: Swatinem/rust-cache@v2
 
       - name: Build
@@ -231,6 +232,47 @@ jobs:
       - uses: Swatinem/rust-cache@v2
       - run: cargo build --all
 
+  freebsd:
+    runs-on: ubuntu-24.04
+    env:
+      CARGO_HOME: /home/runner/work/niri/niri/cargo-home
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          show-progress: false
+
+      # Required for the rust-cache action to work.
+      - uses: dtolnay/rust-toolchain@stable
+
+      # FIXME: doesn't seem to cache the builds, only the downloads for some unknown reason.
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-all-crates: true
+
+      # Remove man-db triggers to speed up Ubuntu upgrade by a minute or two during vmactions/freebsd-vm action run.
+      - run: |
+          sudo rm /var/lib/dpkg/info/man-db.*
+
+      - name: Build
+        uses: vmactions/freebsd-vm@966989c456d41351f095a421f60e71342d3bce41  # v1.2.1
+        with:
+          prepare: |
+            pkg update -f
+            pkg install -y ${{ env.DEPS_PKG }}
+          run: |
+            curl -o patch-pipewire_init 'https://cgit.freebsd.org/ports/plain/x11-wm/niri/files/patch-pipewire_init?id=f3f7e555b06d9a87d63c047ce3e82e936a11f2fe'
+
+            export CARGO_HOME="$PWD/cargo-home"
+
+            cargo fetch
+
+            ( cd $CARGO_HOME/git/checkouts/pipewire-rs-*/*/; patch -p2 < $CARGO_HOME/../patch-pipewire_init; )
+
+            cargo build \
+              --offline \
+              --no-default-features --features dbus,xdp-gnome-screencast
+
   nix:
     runs-on: ubuntu-24.04
     steps: