tajo.zsh-theme

gitstatus.py

#!/usr/bin/env python
from __future__ import print_function

import os
import sys
import re
import shlex
from subprocess import Popen, PIPE, check_output


def get_tagname_or_hash():
    """return tagname if exists else hash"""
    cmd = 'git log -1 --format="%h%d"'
    output = check_output(shlex.split(cmd)).decode('utf-8').strip()
    hash_, tagname = None, None
    # get hash
    m = re.search('\(.*\)$', output)
    if m:
        hash_ = output[:m.start()-1]
    # get tagname
    m = re.search('tag: .*[,\)]', output)
    if m:
        tagname = 'tags/' + output[m.start()+len('tag: '): m.end()-1]

    if tagname:
        return tagname.replace(' ', '')
    elif hash_:
        return hash_
    return None


# `git status --porcelain --branch` can collect all information
# branch, remote_branch, untracked, staged, changed, conflicts, ahead, behind
po = Popen(['git', 'status', '--porcelain', '--branch'], env=dict(os.environ, LANG="C"), stdout=PIPE, stderr=PIPE)
stdout, sterr = po.communicate()
if po.returncode != 0:
    sys.exit(0)  # Not a git repository

# collect git status information
untracked, staged, changed, conflicts = [], [], [], []
ahead, behind = 0, 0
status = [(line[0], line[1], line[2:]) for line in stdout.decode('utf-8').splitlines()]
for st in status:
    if st[0] == '#' and st[1] == '#':
        if re.search('Initial commit on', st[2]) or re.search('No commits yet on', st[2]):
            branch = st[2].split(' ')[-1]
        elif re.search('no branch', st[2]):  # detached status
            branch = get_tagname_or_hash()
        elif len(st[2].strip().split('...')) == 1:
            branch = st[2].strip()
        else:
            # current and remote branch info
            branch, rest = st[2].strip().split('...')
            if len(rest.split(' ')) == 1:
                # remote_branch = rest.split(' ')[0]
                pass
            else:
                # ahead or behind
                divergence = ' '.join(rest.split(' ')[1:])
                divergence = divergence.lstrip('[').rstrip(']')
                for div in divergence.split(', '):
                    if 'ahead' in div:
                        ahead = int(div[len('ahead '):].strip())
                    elif 'behind' in div:
                        behind = int(div[len('behind '):].strip())
    elif st[0] == '?' and st[1] == '?':
        untracked.append(st)
    else:
        if st[1] == 'M':
            changed.append(st)
        if st[0] == 'U':
            conflicts.append(st)
        elif st[0] != ' ':
            staged.append(st)

out = ' '.join([
    branch,
    str(ahead),
    str(behind),
    str(len(staged)),
    str(len(conflicts)),
    str(len(changed)),
    str(len(untracked)),
])
print(out, end='')

tajo.zsh-theme

__GIT_PROMPT_DIR="${0:A:h}"

## Hook function definitions
function chpwd_update_git_vars() {
    update_current_git_vars
}

function preexec_update_git_vars() {
    case "$2" in
        git*|hub*|gh*|stg*)
        __EXECUTED_GIT_COMMAND=1
        ;;
    esac
}

function precmd_update_git_vars() {
    if [ -n "$__EXECUTED_GIT_COMMAND" ] || [ ! -n "$ZSH_THEME_GIT_PROMPT_CACHE" ]; then
        update_current_git_vars
        unset __EXECUTED_GIT_COMMAND
    fi
}

chpwd_functions+=(chpwd_update_git_vars)
precmd_functions+=(precmd_update_git_vars)
preexec_functions+=(preexec_update_git_vars)


## Function definitions
function update_current_git_vars() {
    unset __CURRENT_GIT_STATUS

    local gitstatus="$__GIT_PROMPT_DIR/gitstatus.py"
    _GIT_STATUS=$(python ${gitstatus} 2>/dev/null)
     __CURRENT_GIT_STATUS=("${(@s: :)_GIT_STATUS}")
    GIT_BRANCH=$__CURRENT_GIT_STATUS[1]
    GIT_AHEAD=$__CURRENT_GIT_STATUS[2]
    GIT_BEHIND=$__CURRENT_GIT_STATUS[3]
    GIT_STAGED=$__CURRENT_GIT_STATUS[4]
    GIT_CONFLICTS=$__CURRENT_GIT_STATUS[5]
    GIT_CHANGED=$__CURRENT_GIT_STATUS[6]
    GIT_UNTRACKED=$__CURRENT_GIT_STATUS[7]
}

git_super_status() {
    precmd_update_git_vars
    if [ -n "$__CURRENT_GIT_STATUS" ]; then
      STATUS="$ZSH_THEME_GIT_PROMPT_PREFIX$ZSH_THEME_GIT_PROMPT_BRANCH$GIT_BRANCH%{${reset_color}%}"
      if [ "$GIT_BEHIND" -ne "0" ]; then
          STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_BEHIND$GIT_BEHIND%{${reset_color}%}"
      fi
      if [ "$GIT_AHEAD" -ne "0" ]; then
          STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_AHEAD$GIT_AHEAD%{${reset_color}%}"
      fi
      STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_SEPARATOR"
      if [ "$GIT_STAGED" -ne "0" ]; then
          STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_STAGED$GIT_STAGED%{${reset_color}%}"
      fi
      if [ "$GIT_CONFLICTS" -ne "0" ]; then
          STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_CONFLICTS$GIT_CONFLICTS%{${reset_color}%}"
      fi
      if [ "$GIT_CHANGED" -ne "0" ]; then
          STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_CHANGED$GIT_CHANGED%{${reset_color}%}"
      fi
      if [ "$GIT_UNTRACKED" -ne "0" ]; then
          STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_UNTRACKED%{${reset_color}%}"
      fi
      if [ "$GIT_CHANGED" -eq "0" ] && [ "$GIT_CONFLICTS" -eq "0" ] && [ "$GIT_STAGED" -eq "0" ] && [ "$GIT_UNTRACKED" -eq "0" ]; then
          STATUS="$STATUS$ZSH_THEME_GIT_PROMPT_CLEAN"
      fi
      STATUS="$STATUS%{${reset_color}%}$ZSH_THEME_GIT_PROMPT_SUFFIX"
      echo "$STATUS"
    fi
}

# Default values for the appearance of the prompt.
ZSH_THEME_GIT_PROMPT_PREFIX="%{$fg_bold[blue]%}<"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$fg_bold[blue]%}>"
ZSH_THEME_GIT_PROMPT_SEPARATOR="|"
ZSH_THEME_GIT_PROMPT_BRANCH="%{$fg_bold[magenta]%}"
ZSH_THEME_GIT_PROMPT_STAGED="%{$fg[red]%}%{● %G%}"
ZSH_THEME_GIT_PROMPT_CONFLICTS="%{$fg[red]%}%{✖ %G%}"
ZSH_THEME_GIT_PROMPT_CHANGED="%{$fg[yellow]%}%{✚ %G%}"
ZSH_THEME_GIT_PROMPT_BEHIND="%{↓%G%}"
ZSH_THEME_GIT_PROMPT_AHEAD="%{↑%G%}"
ZSH_THEME_GIT_PROMPT_UNTRACKED="%{…%G%}"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg_bold[green]%}%{✔ %G%}"

PROMPT="%(?:%{$fg_bold[green]%}➜ :%{$fg_bold[red]%}➜ )"
PROMPT+=' %{$fg[cyan]%}%c%{$reset_color%} $(git_super_status) '