Rebase2

.github/workflows/Vagrantfile.debian6

@@ -0,0 +1,6 @@
+Vagrant.configure("2") do |config|
+  config.vm.box = "threatstack/debian6"
+  config.vm.box_version = "1.0.0"
+
+  config.vm.define 'debian6'
+end 

.github/workflows/build.yml

@@ -0,0 +1,27 @@
+name: 'build'
+on:
+  push:
+    paths: ['**.go', 'go.mod', '.github/workflows/*']
+
+jobs:
+  cross-compile:
+    strategy:
+      fail-fast: false
+      matrix:
+        go: ['1.16', '1.19']
+    runs-on: ubuntu-latest
+    steps:
+      - name: setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go }}
+
+      - name: checkout
+        uses: actions/checkout@v3
+
+      - name: build
+        run: |
+          set -x
+          for a in $(go tool dist list); do
+            GOOS=${a%%/*} GOARCH=${a#*/} go build
+          done

.github/workflows/staticcheck.yml

@@ -0,0 +1,16 @@
+name: 'staticcheck'
+on:
+  push:
+    paths: ['**.go', 'go.mod', '.github/workflows/*']
+
+jobs:
+  staticcheck:
+    name:    'staticcheck'
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 1
+    - uses: dominikh/staticcheck-action@v1.2.0
+      with:
+        version: '2022.1'

.github/workflows/test.yml

@@ -1,57 +1,162 @@
-name: test
-on: [push]
+name: 'test'
+on:
+  push:
+    paths: ['**.go', 'go.mod', '.github/workflows/*']
+
 jobs:
+  # Test Windows and Linux with the latest Go version and the oldest we support.
   test:
     strategy:
       fail-fast: false
       matrix:
         os:
           - ubuntu-latest
-          - macos-latest
           - windows-latest
         go:
-          - '1.18.0-beta1'
-          - '1.17'
           - '1.16'
+          - '1.19'
     runs-on: ${{ matrix.os }}
     steps:
       - name: setup Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v3
         with:
-          stable: 'false'
           go-version: ${{ matrix.go }}
 
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: test
         run: |
-          go test --race ./...
+          go test -race ./...
 
-  lint:
-    runs-on: ubuntu-latest
+  # Test only the latest Go version on macOS; we use the macOS builders for BSD
+  # and illumos, and GitHub doesn't allow many of them to run concurrently. If
+  # it works on Windows and Linux with Go 1.16, then it probably does on macOS
+  # too.
+  testMacOS:
+    name: test
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - macos-11
+          - macos-12
+        go:
+          - '1.19'
+    runs-on: ${{ matrix.os }}
     steps:
       - name: setup Go
-        uses: actions/setup-go@v2
-        with: 
-          go-version: '1.17'
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ matrix.go }}
 
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
-      - name: gofmt
+      - name: test
         run: |
-          test -z "$(gofmt -s -d . | tee /dev/stderr)"
+          go test -race ./...
+
+  # FreeBSD
+  testFreeBSD:
+    runs-on: macos-12
+    name: test (freebsd, 1.18)
+    steps:
+      - uses: actions/checkout@v3
+      - name: test (freebsd, 1.18)
+        id: test
+        uses: vmactions/freebsd-vm@v0.2.0
+        with:
+          usesh: true
+          prepare: pkg install -y go
+          run: |
+            pw user add -n action -m
+            su action -c 'go test -race ./...'
+
+  # OpenBSD; no -race as the VM doesn't include the comp set.
+  #
+  # TODO: should probably add this, but on my local machine the tests time out
+  #       with -race as the waits aren't long enough (OpenBSD is kind of slow),
+  #       so should probably look into that first. Go 1.19 is supposed to have a
+  #       much faster race detector, so maybe waiting until we have that is
+  #       enough.
+  testOpenBSD:
+    runs-on: macos-12
+    name: test (openbsd, 1.17)
+    steps:
+      - uses: actions/checkout@v3
+      - name: test (openbsd, 1.17)
+        id: test
+        uses: vmactions/openbsd-vm@v0.0.6
+        with:
+          prepare: pkg_add go
+          run: |
+            useradd -mG wheel action
+            su action -c 'go test ./...'
 
-      - name: vet
+  # NetBSD
+  testNetBSD:
+    runs-on: macos-12
+    name: test (netbsd, 1.18)
+    steps:
+      - uses: actions/checkout@v3
+      - name: test (netbsd, 1.18)
+        id: test
+        uses: vmactions/netbsd-vm@v0.0.4
+        with:
+          prepare: pkg_add go
+          # TODO: no -race for the same reason as OpenBSD (the timing; it does run).
+          run: |
+            useradd -mG wheel action
+            su action -c 'go118 test ./...'
+
+  # illumos
+  testillumos:
+    runs-on: macos-12
+    name: test (illumos, 1.17)
+    steps:
+    - uses: actions/checkout@v2
+    - name: test (illumos, 1.17)
+      id: test
+      uses: papertigers/illumos-vm@r38
+      with:
+        prepare: |
+          pkg install go-117
         run: |
-          go vet ./...
+          /opt/ooce/go-1.17/bin/go test ./...
+
+  # Older Debian 6, for old Linux kernels.
+  testDebian6:
+    runs-on: macos-12
+    name: test (debian6, 1.19)
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v3
 
-      - name: golangci-lint
-        uses: golangci/golangci-lint-action@v2
-        continue-on-error: true
+      - name: Cache Vagrant boxes
+        uses: actions/cache@v3
         with:
-          version: latest
-          skip-go-installation: true
-
+          path: ~/.vagrant.d/boxes
+          key: ${{ runner.os }}-vagrant-${{ hashFiles('Vagrantfile') }}
+          restore-keys: |
+            ${{ runner.os }}-vagrant-
 
+      - name: setup Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: '1.19'
+
+      - name: test (debian6, 1.19)
+        id: test
+        run: |
+          cp -f .github/workflows/Vagrantfile.debian6 Vagrantfile
+          export GOOS=linux
+          export GOARCH=amd64
+          for p in $(go list ./...); do
+            go test -c -o ${p//\//-}.test $p
+          done
+          vagrant up
+          for t in *.test; do
+            vagrant ssh -c "/vagrant/$t"
+          done

.gitignore

@@ -1,7 +1,9 @@
-# Setup a Global .gitignore for OS and editor generated files:
-# https://help.github.com/articles/ignoring-files
-# git config --global core.excludesfile ~/.gitignore_global
+# go test -c output
+*.test
+*.test.exe
 
 .vagrant
 *.sublime-project
 bin/**
+# Output of go build ./cmd/fsnotify
+/fsnotify