bin/prompt.go
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package main
import (
"fmt"
"os"
"os/exec"
"strings"
)
func main() {
cwd, _ := os.Getwd()
host, _ := os.Hostname()
home := os.Getenv("HOME")
var parts []string
if strings.HasPrefix(cwd, home) {
cwd = "~" + cwd[len(home):]
}
out, err := exec.Command("git", "branch", "--show-current").Output()
if err != nil {
out = []byte("^(;,;)^\n")
}
branchname := strings.TrimSuffix(string(out), "\n")
fmt.Printf("\033[92m[%s]\033[0m ", host)
fmt.Printf("\033[94m")
parts = strings.Split(cwd, "/")
for i, part := range parts {
if i == len(parts)-1 {
fmt.Printf("%s", part)
} else {
if len(part) != 0 {
fmt.Printf("%c/", part[0])
} else {
fmt.Printf("/")
}
}
}
fmt.Printf("\033[0m")
fmt.Printf(" (%s)", branchname)
}