From 3e7c564a5aa00b6958993402f916ade745cdcfd7 Mon Sep 17 00:00:00 2001
From: Mikhail Klementev <blame@dumpstack.io>
Date: Sat, 31 Aug 2019 07:50:29 +0000
Subject: [PATCH] Exclude host kernel generation for macOS

---
 CHANGELOG.md    |  6 ++++
 kernel.go       | 61 ---------------------------------------
 kernel_linux.go | 77 +++++++++++++++++++++++++++++++++++++++++++++++++
 kernel_macos.go | 18 ++++++++++++
 4 files changed, 101 insertions(+), 61 deletions(-)
 create mode 100644 kernel_linux.go
 create mode 100644 kernel_macos.go

diff --git a/CHANGELOG.md b/CHANGELOG.md
index b478483..8dc9e3d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@
 
 [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.1] 2019-08-31
+
+### Fixed
+
+- macOS support.
+
 ## [1.1.0] 2019-08-30
 
 ### Added
diff --git a/kernel.go b/kernel.go
index 5aa54ec..6e7df9b 100644
--- a/kernel.go
+++ b/kernel.go
@@ -19,7 +19,6 @@ import (
 	"time"
 
 	"github.com/naoina/toml"
-	"github.com/zcalusic/sysinfo"
 
 	"code.dumpstack.io/tools/out-of-tree/config"
 )
@@ -419,66 +418,6 @@ func listDockerImages() (diis []dockerImageInfo, err error) {
 	return
 }
 
-func genHostKernels(download bool) (kcfg config.KernelConfig, err error) {
-	si := sysinfo.SysInfo{}
-	si.GetSysInfo()
-
-	distroType, err := config.NewDistroType(si.OS.Vendor)
-	if err != nil {
-		return
-	}
-
-	cmd := exec.Command("ls", "/lib/modules")
-	rawOutput, err := cmd.CombinedOutput()
-	if err != nil {
-		log.Println(string(rawOutput), err)
-		return
-	}
-
-	kernelsBase := "/boot/"
-	files, err := ioutil.ReadDir(kernelsBase)
-	if err != nil {
-		return
-	}
-
-	// only for compatibility, docker is not really used
-	dii := dockerImageInfo{
-		ContainerName: config.KernelMask{
-			DistroType:    distroType,
-			DistroRelease: si.OS.Version,
-		}.DockerName(),
-	}
-
-	rootfs, err := genRootfsImage(dii, download)
-	if err != nil {
-		return
-	}
-
-	for _, k := range strings.Fields(string(rawOutput)) {
-		ki := config.KernelInfo{
-			DistroType:    distroType,
-			DistroRelease: si.OS.Version,
-			KernelRelease: k,
-
-			KernelSource: "/lib/modules/" + k + "/build",
-
-			KernelPath: kernelsBase + genKernelPath(files, k),
-			InitrdPath: kernelsBase + genInitrdPath(files, k),
-			RootFS:     rootfs,
-		}
-
-		vmlinux := "/usr/lib/debug/boot/vmlinux-" + k
-		log.Println("vmlinux", vmlinux)
-		if exists(vmlinux) {
-			ki.VmlinuxPath = vmlinux
-		}
-
-		kcfg.Kernels = append(kcfg.Kernels, ki)
-	}
-
-	return
-}
-
 func updateKernelsCfg(host, download bool) (err error) {
 	newkcfg := config.KernelConfig{}
 
diff --git a/kernel_linux.go b/kernel_linux.go
new file mode 100644
index 0000000..258452c
--- /dev/null
+++ b/kernel_linux.go
@@ -0,0 +1,77 @@
+// Copyright 2018 Mikhail Klementev. All rights reserved.
+// Use of this source code is governed by a AGPLv3 license
+// (or later) that can be found in the LICENSE file.
+
+// +build linux
+
+package main
+
+import (
+	"io/ioutil"
+	"log"
+	"os/exec"
+	"strings"
+
+	"code.dumpstack.io/tools/out-of-tree/config"
+	"github.com/zcalusic/sysinfo"
+)
+
+func genHostKernels(download bool) (kcfg config.KernelConfig, err error) {
+	si := sysinfo.SysInfo{}
+	si.GetSysInfo()
+
+	distroType, err := config.NewDistroType(si.OS.Vendor)
+	if err != nil {
+		return
+	}
+
+	cmd := exec.Command("ls", "/lib/modules")
+	rawOutput, err := cmd.CombinedOutput()
+	if err != nil {
+		log.Println(string(rawOutput), err)
+		return
+	}
+
+	kernelsBase := "/boot/"
+	files, err := ioutil.ReadDir(kernelsBase)
+	if err != nil {
+		return
+	}
+
+	// only for compatibility, docker is not really used
+	dii := dockerImageInfo{
+		ContainerName: config.KernelMask{
+			DistroType:    distroType,
+			DistroRelease: si.OS.Version,
+		}.DockerName(),
+	}
+
+	rootfs, err := genRootfsImage(dii, download)
+	if err != nil {
+		return
+	}
+
+	for _, k := range strings.Fields(string(rawOutput)) {
+		ki := config.KernelInfo{
+			DistroType:    distroType,
+			DistroRelease: si.OS.Version,
+			KernelRelease: k,
+
+			KernelSource: "/lib/modules/" + k + "/build",
+
+			KernelPath: kernelsBase + genKernelPath(files, k),
+			InitrdPath: kernelsBase + genInitrdPath(files, k),
+			RootFS:     rootfs,
+		}
+
+		vmlinux := "/usr/lib/debug/boot/vmlinux-" + k
+		log.Println("vmlinux", vmlinux)
+		if exists(vmlinux) {
+			ki.VmlinuxPath = vmlinux
+		}
+
+		kcfg.Kernels = append(kcfg.Kernels, ki)
+	}
+
+	return
+}
diff --git a/kernel_macos.go b/kernel_macos.go
new file mode 100644
index 0000000..c78b67f
--- /dev/null
+++ b/kernel_macos.go
@@ -0,0 +1,18 @@
+// Copyright 2018 Mikhail Klementev. All rights reserved.
+// Use of this source code is governed by a AGPLv3 license
+// (or later) that can be found in the LICENSE file.
+
+// +build darwin
+
+package main
+
+import (
+	"errors"
+
+	"code.dumpstack.io/tools/out-of-tree/config"
+)
+
+func genHostKernels(download bool) (kcfg config.KernelConfig, err error) {
+	err = errors.New("generate host kernels for macOS is not supported")
+	return
+}