Claude Code | Status line

gistfile1.txt

Example render

---

  Migrate CircleCI deploy job to GitHub Actions | ~/w/c/e/r/backend | [main] | 5h:2% 7d:4%

settings.json

{
  "statusLine": {
    "type": "command",
    "command": "fish ~/.claude/statusline.fish"
  },
}

statusline.fish

#!/usr/bin/env fish

set input (cat)

# 1. Session description (up to 50 chars)
set session_name (echo $input | jq -r '.session_name // empty')
if test -n "$session_name"
    set desc (string sub -l 50 -- $session_name)
else
    set desc (string sub -l 50 -- (echo $input | jq -r '.session_id // ""'))
end

# 2. Current directory (fish-style: ~/w/c/e/r/backend)
set cwd (echo $input | jq -r '.workspace.current_dir // .cwd // ""')
set cwd_tilde (string replace -r "^$HOME" "~" -- $cwd)
# Shorten each intermediate component to its first character
set parts (string split "/" -- $cwd_tilde)
set n (count $parts)
set short_parts
for i in (seq 1 $n)
    if test $i -lt $n
        set short_parts $short_parts (string sub -l 1 -- $parts[$i])
    else
        set short_parts $short_parts $parts[$i]
    end
end
set short_cwd (string join "/" -- $short_parts)

# 3. Git branch (if in a git repo)
set branch ""
if test -n "$cwd" -a -d "$cwd"
    set branch (git -C $cwd branch --show-current 2>/dev/null)
end

# 4. Rate limits in 5h/7d format
set five_pct (echo $input | jq -r '.rate_limits.five_hour.used_percentage // empty')
set week_pct (echo $input | jq -r '.rate_limits.seven_day.used_percentage // empty')
set limits ""
if test -n "$five_pct"
    set limits "5h:"(printf "%.0f" $five_pct)"%"
end
if test -n "$week_pct"
    if test -n "$limits"
        set limits "$limits 7d:"(printf "%.0f" $week_pct)"%"
    else
        set limits "7d:"(printf "%.0f" $week_pct)"%"
    end
end

# Assemble output
set parts
if test -n "$desc"
    set parts $parts $desc
end
if test -n "$short_cwd"
    set parts $parts $short_cwd
end
if test -n "$branch"
    set parts $parts "[$branch]"
end
if test -n "$limits"
    set parts $parts $limits
end

printf "%s" (string join " | " $parts)