Revert changes to 'ps' on Darwin

src/widgets/proc_darwin.go

@@ -0,0 +1,55 @@
+package widgets
+
+import (
+	"log"
+	"os/exec"
+	"strconv"
+	"strings"
+)
+
+func (self *Proc) update() {
+	processes := Processes()
+	// have to iterate like this in order to actually change the value
+	for i := range processes {
+		processes[i].CPU /= self.cpuCount
+	}
+
+	self.ungroupedProcs = processes
+	self.groupedProcs = Group(processes)
+
+	self.Sort()
+}
+
+func Processes() []Process {
+	output, err := exec.Command("ps", "-axo", "pid,comm,pcpu,pmem,args").Output()
+	if err != nil {
+		log.Printf("failed to execute 'ps' command: %v", err)
+	}
+	// converts to []string and removes the header
+	strOutput := strings.Split(strings.TrimSpace(string(output)), "\n")[1:]
+	processes := []Process{}
+	for _, line := range strOutput {
+		split := strings.Fields(line)
+		pid, err := strconv.Atoi(split[0])
+		if err != nil {
+			log.Printf("failed to convert first field to int: %v. split: %v", err, split)
+		}
+		cpu, err := strconv.ParseFloat(split[2], 64)
+		if err != nil {
+			log.Printf("failed to convert third field to float: %v. split: %v", err, split)
+		}
+		mem, err := strconv.ParseFloat(split[3], 64)
+		if err != nil {
+			log.Printf("failed to convert fourth field to float: %v. split: %v", err, split)
+		}
+		process := Process{
+			PID:     pid,
+			Command: split[1],
+			CPU:     cpu,
+			Mem:     mem,
+			Args:    strings.Join(split[4:], " "),
+		}
+		processes = append(processes, process)
+	}
+	return processes
+}

src/widgets/proc_linux.go

@@ -1,5 +1,3 @@
-// +build freebsd linux darwin
-
 package widgets
 
 import (