my dotz
simplify prompt
author
Jes Olson
date
(Mar 4, 2023, 3:13 PM -0800)
commit
4a0ce0c5
4a0ce0c5234b4c8e4ec3e5284bec3a42a41530c0
parent
d5cdd5a4
d5cdd5a4a7c923f435210042609532cafff36b3b
+37
-33
+37
-33
bin/prompt.go
+37
-33
bin/prompt.go
···
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"os/exec"
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"path/filepath"
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"strings"
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-
"time"
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)
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// getRepoRoot returns the full path to the root
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// of the closest git dir
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func gitTopLevel() string {
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path, err := exec.Command("git", "rev-parse", "--show-toplevel").Output()
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func main() {
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wd, err := os.Getwd()
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if err != nil {
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// assume the error means there's no git
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// dir above us
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return "/"
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fmt.Print("$ ")
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return
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}
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return strings.TrimSpace(string(path))
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}
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func resolveEmoji(hostname string) string {
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emoji := "💀"
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if hostname == "zora" {
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emoji = "🌸"
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} else if hostname == "nostromo" {
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emoji = "🛸"
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cwd, err := filepath.EvalSymlinks(wd)
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if err != nil {
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fmt.Print("$ ")
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return
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}
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return emoji
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}
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func main() {
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wd, _ := os.Getwd()
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cwd, _ := filepath.EvalSymlinks(wd)
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host, _ := os.Hostname()
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home := os.Getenv("HOME")
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now := time.Now().Format("15:04:05")
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emoji := resolveEmoji(host)
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fmt.Printf("%s %s ", now, emoji)
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emoji := resolveEmoji()
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var promptRoot string
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gitTop := gitTopLevel()
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if gitTop == home {
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gitRoot := gitRoot()
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if gitRoot == os.Getenv("HOME") {
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promptRoot = "~"
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} else {
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promptRoot = filepath.Base(gitTop)
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promptRoot = filepath.Base(promptRoot)
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}
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// subtract the git toplevel "/home/j3s"
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// from the cwd "/home/j3s/code/nongitdir"
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// to get the suffix "/code/nongitdir"
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// os.cwd gets the symlink, git does not
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suffix := cwd[len(gitTop):]
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fmt.Printf("%s", promptRoot)
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suffix := cwd[len(gitRoot):]
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fmt.Printf("%s %s", emoji, promptRoot)
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var parts []string
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parts = strings.Split(suffix, "/")
···
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}
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}
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}
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func resolveEmoji() string {
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hostname, _ := os.Hostname()
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if hostname == "zora" {
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return "🌸"
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}
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if hostname == "nostromo" {
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return "🌹"
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}
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return "💀"
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}
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// getRepoRoot returns the full path to the root
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// of the closest git dir
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func gitRoot() string {
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path, err := exec.Command("git", "rev-parse", "--show-toplevel").Output()
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if err != nil {
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// assume the error means there's no git
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// dir above us, or git isn't installed.
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return "/"
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}
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return strings.TrimSpace(string(path))
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}