Build containerd/continuity on multiple Unix OSes

Fixes #183.

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>

.github/workflows/ci.yml

@@ -76,13 +76,6 @@ jobs:
       run: make build binaries
       working-directory: src/github.com/containerd/continuity
 
-    - name: Cross-compile
-      if: startsWith(matrix.os, 'ubuntu')
-      shell: bash
-      run: |
-          GOOS=freebsd make build binaries
-      working-directory: src/github.com/containerd/continuity
-
     - name: Linux Tests
       if: startsWith(matrix.os, 'ubuntu')
       run: |
@@ -95,3 +88,43 @@ jobs:
       shell: bash
       run: make test-compile
       working-directory: src/github.com/containerd/continuity
+
+  cross:
+    name: Cross-compile
+    runs-on: ubuntu-18.04
+    timeout-minutes: 10
+    needs: [project]
+
+    strategy:
+      matrix:
+        goos: [freebsd, openbsd, netbsd, darwin, solaris]
+
+    steps:
+    - name: Set up Go
+      uses: actions/setup-go@v1
+      with:
+        go-version: 1.15
+
+    - name: Setup Go binary path
+      shell: bash
+      run: |
+        echo "GOPATH=${{ github.workspace }}" >> $GITHUB_ENV
+        echo "${{ github.workspace }}/bin" >> $GITHUB_PATH
+
+    - name: Git line endings
+      shell: bash
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+
+    - name: Check out code
+      uses: actions/checkout@v2
+      with:
+        path: src/github.com/containerd/continuity
+        fetch-depth: 25
+
+    - name: Cross-compile ${{matrix.goos}}
+      shell: bash
+      run: |
+          GOOS=${{matrix.goos}} make build binaries
+      working-directory: src/github.com/containerd/continuity

commands/mount_unsupported.go

@@ -1,5 +1,5 @@
-//go:build windows || solaris
-// +build windows solaris
+//go:build windows || solaris || openbsd || netbsd
+// +build windows solaris openbsd netbsd
 
 /*
    Copyright The containerd Authors.

continuityfs/provider.go

@@ -1,5 +1,5 @@
-//go:build linux || darwin || freebsd
-// +build linux darwin freebsd
+//go:build linux || darwin || freebsd || netbsd
+// +build linux darwin freebsd netbsd
 
 /*
    Copyright The containerd Authors.

devices/devices_unix.go

@@ -1,5 +1,5 @@
-//go:build linux || darwin || freebsd || solaris
-// +build linux darwin freebsd solaris
+//go:build !windows
+// +build !windows
 
 /*
    Copyright The containerd Authors.

devices/mknod_unix.go

@@ -1,5 +1,5 @@
-//go:build linux || darwin || solaris
-// +build linux darwin solaris
+//go:build linux || darwin || netbsd || openbsd || solaris
+// +build linux darwin netbsd openbsd solaris
 
 /*
    Copyright The containerd Authors.

driver/driver_unix.go

@@ -1,5 +1,5 @@
-//go:build linux || darwin || freebsd || solaris
-// +build linux darwin freebsd solaris
+//go:build !windows
+// +build !windows
 
 /*
    Copyright The containerd Authors.

driver/lchmod_unix.go

@@ -1,5 +1,5 @@
-//go:build darwin || freebsd || solaris
-// +build darwin freebsd solaris
+//go:build darwin || freebsd || netbsd || openbsd || solaris
+// +build darwin freebsd netbsd openbsd solaris
 
 /*
    Copyright The containerd Authors.

fs/copy_openbsdsolaris.go → fs/copy_device_unix.go

@@ -1,5 +1,5 @@
-//go:build openbsd || solaris
-// +build openbsd solaris
+//go:build openbsd || solaris || netbsd
+// +build openbsd solaris netbsd
 
 /*
    Copyright The containerd Authors.
@@ -34,8 +34,3 @@ func copyDevice(dst string, fi os.FileInfo) error {
 	}
 	return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
 }
-
-func utimesNano(name string, atime, mtime syscall.Timespec) error {
-	timespec := []syscall.Timespec{atime, mtime}
-	return syscall.UtimesNano(name, timespec)
-}

fs/copy_unix.go

@@ -1,5 +1,5 @@
-//go:build darwin || freebsd || openbsd || solaris
-// +build darwin freebsd openbsd solaris
+//go:build darwin || freebsd || openbsd || netbsd || solaris
+// +build darwin freebsd openbsd netbsd solaris
 
 /*
    Copyright The containerd Authors.

fs/utimesnano.go

@@ -0,0 +1,33 @@
+//go:build solaris
+// +build solaris
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fs
+
+import (
+	"errors"
+	"os"
+	"syscall"
+
+	"golang.org/x/sys/unix"
+)
+
+func utimesNano(name string, atime, mtime syscall.Timespec) error {
+	timespec := []syscall.Timespec{atime, mtime}
+	return syscall.UtimesNano(name, timespec)
+}

fs/utimesnanoat.go

@@ -0,0 +1,33 @@
+//go:build openbsd || netbsd
+// +build openbsd netbsd
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package fs
+
+import (
+	"syscall"
+
+	"golang.org/x/sys/unix"
+)
+
+func utimesNano(name string, atime, mtime syscall.Timespec) error {
+	at := unix.NsecToTimespec(atime.Nano())
+	mt := unix.NsecToTimespec(mtime.Nano())
+	utimes := [2]unix.Timespec{at, mt}
+	return unix.UtimesNanoAt(unix.AT_FDCWD, name, utimes[0:], unix.AT_SYMLINK_NOFOLLOW)
+}

hardlinks_unix.go

@@ -1,5 +1,5 @@
-//go:build linux || darwin || freebsd || solaris
-// +build linux darwin freebsd solaris
+//go:build !windows
+// +build !windows
 
 /*
    Copyright The containerd Authors.

resource_unix.go

@@ -1,5 +1,5 @@
-//go:build linux || darwin || freebsd || solaris
-// +build linux darwin freebsd solaris
+//go:build !windows
+// +build !windows
 
 /*
    Copyright The containerd Authors.

sysx/nodata_unix.go

@@ -1,5 +1,5 @@
-//go:build darwin || freebsd || openbsd
-// +build darwin freebsd openbsd
+//go:build darwin || freebsd || openbsd || netbsd
+// +build darwin freebsd openbsd netbsd
 
 /*
    Copyright The containerd Authors.