From 2a80e2197b48056d51500631f72fa71c16a1a038 Mon Sep 17 00:00:00 2001
From: "yusuke.koyoshi" <yusuke.koyoshi@bizreach.co.jp>
Date: Tue, 20 Aug 2024 15:48:36 +0900
Subject: [PATCH 1/3] Support FreeBSD

---
 dist_freebsd.go | 55 +++++++++++++++++++++++++++++++++++++++++++++++++
 os_bsd.go       |  2 +-
 os_freebsd.go   | 16 ++++++++++++++
 3 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 dist_freebsd.go

diff --git a/dist_freebsd.go b/dist_freebsd.go
new file mode 100644
index 0000000..964f484
--- /dev/null
+++ b/dist_freebsd.go
@@ -0,0 +1,55 @@
+package osutil
+
+import (
+	"io/ioutil"
+	"strings"
+)
+
+func getOSRelease() (map[string]string, bool) {
+	osmap := make(map[string]string)
+
+	raw, err := ioutil.ReadFile("/etc/os-release")
+
+	if err != nil {
+		return osmap, false
+	}
+
+	s := string(raw)
+
+	for _, line := range strings.Split(s, "\n") {
+		if line == "" {
+			break
+		}
+
+		pair := strings.Split(line, "=")
+		k := pair[0]
+		v := pair[1]
+
+		v = strings.Trim(v, "\"")
+
+		osmap[k] = v
+	}
+
+	return osmap, true
+}
+
+func GetDist() Distro {
+	var detect string
+	var release string
+
+	osmap, osMapExists := getOSRelease()
+
+	if osMapExists {
+		name := osmap["NAME"]
+		if name != "" {
+			detect = name
+		}
+
+		version := osmap["VERSION_ID"]
+		if version != "" {
+			release = version
+		}
+	}
+
+	return Distro{detect, release, ""}
+}
diff --git a/os_bsd.go b/os_bsd.go
index d7f0892..2e4eec8 100644
--- a/os_bsd.go
+++ b/os_bsd.go
@@ -1,4 +1,4 @@
-//+build freebsd,openbsd,dragonfly,netbsd
+// +build openbsd,dragonfly,netbsd
 
 package osutil
 
diff --git a/os_freebsd.go b/os_freebsd.go
index b4c1186..d3bd553 100644
--- a/os_freebsd.go
+++ b/os_freebsd.go
@@ -1,3 +1,19 @@
 package osutil
 
+import "fmt"
+
 const Name = "FreeBSD"
+
+func GetDisplay() string {
+	distro := GetDist()
+
+	if distro.Display != "" {
+		return fmt.Sprintf("%s %s", distro.Display, distro.Release)
+	}
+
+	return Name
+}
+
+func GetVersion() string {
+	return ""
+}

From 4a901f2f98e03091ea8643913440a62e8482a4a2 Mon Sep 17 00:00:00 2001
From: "yusuke.koyoshi" <yusuke.koyoshi@bizreach.co.jp>
Date: Mon, 30 Sep 2024 17:18:37 +0900
Subject: [PATCH 2/3] Fix FreeBSD version

---
 dist_freebsd.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/dist_freebsd.go b/dist_freebsd.go
index 964f484..a002542 100644
--- a/dist_freebsd.go
+++ b/dist_freebsd.go
@@ -2,9 +2,21 @@ package osutil
 
 import (
 	"io/ioutil"
+	"os/exec"
 	"strings"
 )
 
+func getFreeBSDVersion() (string, bool) {
+	proc := exec.Command("freebsd-version", "-u")
+	raw, err := proc.Output()
+
+	if err != nil {
+		return "", false
+	}
+
+	return string(raw), true
+}
+
 func getOSRelease() (map[string]string, bool) {
 	osmap := make(map[string]string)
 
@@ -37,6 +49,11 @@ func GetDist() Distro {
 	var detect string
 	var release string
 
+	version, freeBSDVersionExists := getFreeBSDVersion()
+	if freeBSDVersionExists {
+		return Distro{"FreeBSD", version, ""}
+	}
+
 	osmap, osMapExists := getOSRelease()
 
 	if osMapExists {

From 3e3d12602f62d4858c3cd5509ee963751e8a51b2 Mon Sep 17 00:00:00 2001
From: "yusuke.koyoshi" <yusuke.koyoshi@bizreach.co.jp>
Date: Mon, 30 Sep 2024 17:31:15 +0900
Subject: [PATCH 3/3] Remove newline

---
 dist_freebsd.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dist_freebsd.go b/dist_freebsd.go
index a002542..48780ca 100644
--- a/dist_freebsd.go
+++ b/dist_freebsd.go
@@ -14,7 +14,7 @@ func getFreeBSDVersion() (string, bool) {
 		return "", false
 	}
 
-	return string(raw), true
+	return strings.TrimRight(string(raw), "\n"), true
 }
 
 func getOSRelease() (map[string]string, bool) {