fanir/statusline
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command line flags and no make release for Windows.

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Added command line flags for styling and width.
Printing load averages doesn't work on windows.
This commit is contained in:
fanir 2020-11-22 00:10:12 +01:00
parent 52ccdce51f
commit d28ad1741d
3 changed files with 42 additions and 31 deletions
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1
.gitignore vendored Normal file
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@ -0,0 +1 @@
/release

1
Makefile
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@ -29,5 +29,4 @@ release:
GOOS=linux GOARCH=amd64 go build -o "release/${APP}_linux_amd64" -trimpath ${BUILDFLAGS}
GOOS=linux GOARCH=arm64 go build -o "release/${APP}_linux_arm64" -trimpath ${BUILDFLAGS}
GOOS=linux GOARCH=386 go build -o "release/${APP}_linux_386" -trimpath ${BUILDFLAGS}
GOOS=windows GOARCH=amd64 go build -o "release/${APP}_windows_amd64.exe" -trimpath ${BUILDFLAGS}

71
statusline.go
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@ -1,17 +1,22 @@
package main
import (
"flag"
"fmt"
"os"
"runtime"
"strconv"
"time"
"github.com/shirou/gopsutil/v3/load"
"github.com/shirou/gopsutil/v3/mem"
)
const warnFormat = "#[bg=colour208]"
type Format struct {
Default, Warning string
}
var defaultFormat = Format{}
var tmuxFormat = Format{Default: "#[default]", Warning: "#[bg=colour208]"}
var binarySuffixes = []string{"B", "KiB", "MiB", "GiB", "TiB"}
@ -34,20 +39,20 @@ func usage() {
os.Exit(2)
}
func printLoad(precision int) {
func printLoad(format Format, precision int) {
l, err := load.Avg()
if err != nil {
panic(err) // fixme
}
if l.Load1 > float64(runtime.NumCPU()) {
fmt.Print(warnFormat)
fmt.Print(format.Warning)
}
fmt.Printf("[%.[1]*[2]f %.[1]*[3]f %.[1]*[4]f]",
precision, l.Load1, l.Load5, l.Load15)
}
func printMem(absolute, percent bool) {
func printMem(format Format, absolute, percent bool) {
if !(absolute || percent) {
return
}
@ -58,9 +63,9 @@ func printMem(absolute, percent bool) {
}
if v.UsedPercent > 90 {
fmt.Print(warnFormat, "[")
fmt.Print(format.Warning, "[")
} else {
fmt.Print("#[default][")
fmt.Print(format.Default, "[")
}
if absolute {
fmt.Printf("%s/%s", HBin(v.Used, 1), HBin(v.Total, 1))
@ -74,35 +79,41 @@ func printMem(absolute, percent bool) {
fmt.Print("]")
}
func printTime(format string) {
func printTime(format Format, timeFormat string) {
now := time.Now()
fmt.Print(now.Format("#[default]" + format))
fmt.Print(format.Default, now.Format(timeFormat))
}
func main() {
if len(os.Args) != 2 {
usage()
}
cols, err := strconv.Atoi(os.Args[1])
if err != nil {
fmt.Fprintln(os.Stderr, err)
usage()
cols := flag.Uint("c", 0, "Window width in columns. 0 prints everything.")
mode := flag.String("style", "none", "Include style directives in output. Valid values: none tmux")
flag.Parse()
format := defaultFormat
switch *mode {
case "", "none":
case "tmux":
format = tmuxFormat
default:
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
flag.PrintDefaults()
os.Exit(2)
}
if cols >= 150 {
printLoad(2)
printMem(true, true)
printTime(" Mon 2006-01-02 15:04")
} else if cols >= 120 {
printLoad(2)
printMem(false, true)
printTime(" 15:04")
} else if cols >= 100 {
printLoad(0)
printMem(false, true)
printTime(" 15:04")
} else if cols >= 80 {
printTime("15:04")
if *cols == 0 || *cols >= 150 {
printLoad(format, 2)
printMem(format, true, true)
printTime(format, " Mon 2006-01-02 15:04")
} else if *cols >= 120 {
printLoad(format, 2)
printMem(format, false, true)
printTime(format, " 15:04")
} else if *cols >= 100 {
printLoad(format, 0)
printMem(format, false, true)
printTime(format, " 15:04")
} else if *cols >= 80 {
printTime(format, "15:04")
}
}