freebsd: add initial support for running on FreeBSD, excluding Bluez,

ppd, and some things. Add a simple wpa_supplicant backend

core/internal/trash/mounts_freebsd.go

@@ -0,0 +1,29 @@
+package trash
+
+import "golang.org/x/sys/unix"
+
+// readMountPoints returns user-visible mount points via getfsstat(2),
+// skipping pseudo and system filesystems.
+func readMountPoints() []string {
+	n, err := unix.Getfsstat(nil, unix.MNT_NOWAIT)
+	if err != nil || n == 0 {
+		return nil
+	}
+	stats := make([]unix.Statfs_t, n)
+	n, err = unix.Getfsstat(stats, unix.MNT_NOWAIT)
+	if err != nil {
+		return nil
+	}
+
+	var out []string
+	seen := map[string]bool{}
+	for _, st := range stats[:n] {
+		mp := unix.ByteSliceToString(st.Mntonname[:])
+		if mp == "" || skipMountPoint(mp, seen) {
+			continue
+		}
+		seen[mp] = true
+		out = append(out, mp)
+	}
+	return out
+}

core/internal/trash/mounts_linux.go

@@ -0,0 +1,30 @@
+package trash
+
+import (
+	"os"
+	"strings"
+)
+
+// readMountPoints returns user-visible mount points from /proc/self/mountinfo,
+// skipping pseudo and system filesystems.
+func readMountPoints() []string {
+	data, err := os.ReadFile("/proc/self/mountinfo")
+	if err != nil {
+		return nil
+	}
+	var out []string
+	seen := map[string]bool{}
+	for line := range strings.SplitSeq(string(data), "\n") {
+		fields := strings.Fields(line)
+		if len(fields) < 5 {
+			continue
+		}
+		mp := fields[4]
+		if skipMountPoint(mp, seen) {
+			continue
+		}
+		seen[mp] = true
+		out = append(out, mp)
+	}
+	return out
+}

core/internal/trash/trash.go

@@ -275,39 +275,16 @@ func allTrashDirs() []string {
 	return dirs
 }
 
-// readMountPoints returns user-visible mount points from /proc/self/mountinfo,
-// skipping pseudo and system filesystems.
-func readMountPoints() []string {
-	data, err := os.ReadFile("/proc/self/mountinfo")
-	if err != nil {
-		return nil
+func skipMountPoint(mp string, seen map[string]bool) bool {
+	if mp == "/" || seen[mp] {
+		return true
 	}
-	skipPrefixes := []string{"/proc", "/sys", "/dev"}
-	var out []string
-	seen := map[string]bool{}
-	for line := range strings.SplitSeq(string(data), "\n") {
-		fields := strings.Fields(line)
-		if len(fields) < 5 {
-			continue
+	for _, p := range []string{"/proc", "/sys", "/dev"} {
+		if mp == p || strings.HasPrefix(mp, p+"/") {
+			return true
 		}
-		mp := fields[4]
-		if mp == "/" {
-			continue
-		}
-		skip := false
-		for _, p := range skipPrefixes {
-			if mp == p || strings.HasPrefix(mp, p+"/") {
-				skip = true
-				break
-			}
-		}
-		if skip || seen[mp] {
-			continue
-		}
-		seen[mp] = true
-		out = append(out, mp)
 	}
-	return out
+	return false
 }
 
 func List() ([]Entry, error) {