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agnoster777.zsh-theme
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agnoster777.zsh-theme
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# vim:ft=zsh ts=2 sw=2 sts=2
#
# agnoster's Theme - https://gist.github.com/3712874
# A Powerline-inspired theme for ZSH
#
# # README
#
# In order for this theme to render correctly, you will need a
# [Powerline-patched font](https://gist.github.com/1595572).
#
# In addition, I recommend the
# [Solarized theme](https://github.com/altercation/solarized/) and, if you're
# using it on Mac OS X, [iTerm 2](http://www.iterm2.com/) over Terminal.app -
# it has significantly better color fidelity.
#
# # Goals
#
# The aim of this theme is to only show you *relevant* information. Like most
# prompts, it will only show git information when in a git working directory.
# However, it goes a step further: everything from the current user and
# hostname to whether the last call exited with an error to whether background
# jobs are running in this shell will all be displayed automatically when
# appropriate.
### Segment drawing
# A few utility functions to make it easy and re-usable to draw segmented prompts
CURRENT_BG='NONE'
if [[ -z "$PRIMARY_FG" ]]; then
PRIMARY_FG=black
fi
# Characters
SEGMENT_SEPARATOR="\ue0b0"
PLUSMINUS="\u00b1"
BRANCH="\ue0a0"
DETACHED="\u27a6"
CROSS="\u2718"
LIGHTNING="\u26a1"
GEAR="\u2699"
# Begin a segment
# Takes two arguments, background and foreground. Both can be omitted,
# rendering default background/foreground.
prompt_segment() {
local bg fg
[[ -n $1 ]] && bg="%K{$1}" || bg="%k"
[[ -n $2 ]] && fg="%F{$2}" || fg="%f"
if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then
print -n "%{$bg%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR%{$fg%}"
else
print -n "%{$bg%}%{$fg%}"
fi
CURRENT_BG=$1
[[ -n $3 ]] && print -n $3
}
# End the prompt, closing any open segments
prompt_end() {
if [[ -n $CURRENT_BG ]]; then
print -n "%{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
else
print -n "%{%k%}"
fi
print -n "%{%f%}"
CURRENT_BG=''
}
### Prompt components
# Each component will draw itself, and hide itself if no information needs to be shown
# Context: user@hostname (who am I and where am I)
prompt_context() {
local user=`whoami`
if [[ "$user" != "$DEFAULT_USER" || -n "$SSH_CONNECTION" ]]; then
prompt_segment $PRIMARY_FG default " %(!.%{%F{yellow}%}.)$user@%m "
fi
}
# Git: branch/detached head, dirty status
prompt_git() {
#«»±˖˗‑‐‒ ━ ✚‐↔←↑↓→↭⇎⇔⋆━◂▸◄►◆☀★☗☊✔✖❮❯⚑⚙
local PL_BRANCH_CHAR
() {
local LC_ALL="" LC_CTYPE="en_US.UTF-8"
PL_BRANCH_CHAR=$'\ue0a0' #
}
local ref dirty mode repo_path clean has_upstream
local modified untracked added deleted tagged stashed
local ready_commit git_status bgclr fgclr
local commits_diff commits_ahead commits_behind has_diverged to_push to_pull
repo_path=$(git rev-parse --git-dir 2>/dev/null)
if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
dirty=$(parse_git_dirty)
git_status=$(git status --porcelain 2> /dev/null)
ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git rev-parse --short HEAD 2> /dev/null)"
if [[ -n $dirty ]]; then
clean=''
bgclr='yellow'
fgclr='magenta'
else
clean=' ✔'
bgclr='green'
fgclr='white'
fi
local upstream=$(git rev-parse --symbolic-full-name --abbrev-ref @{upstream} 2> /dev/null)
if [[ -n "${upstream}" && "${upstream}" != "@{upstream}" ]]; then has_upstream=true; fi
local current_commit_hash=$(git rev-parse HEAD 2> /dev/null)
local number_of_untracked_files=$(\grep -c "^??" <<< "${git_status}")
# if [[ $number_of_untracked_files -gt 0 ]]; then untracked=" $number_of_untracked_files◆"; fi
if [[ $number_of_untracked_files -gt 0 ]]; then untracked=" $number_of_untracked_files☀"; fi
local number_added=$(\grep -c "^A" <<< "${git_status}")
if [[ $number_added -gt 0 ]]; then added=" $number_added✚"; fi
local number_modified=$(\grep -c "^.M" <<< "${git_status}")
if [[ $number_modified -gt 0 ]]; then
modified=" $number_modified●"
bgclr='red'
fgclr='white'
fi
local number_added_modified=$(\grep -c "^M" <<< "${git_status}")
local number_added_renamed=$(\grep -c "^R" <<< "${git_status}")
if [[ $number_modified -gt 0 && $number_added_modified -gt 0 ]]; then
modified="$modified$((number_added_modified+number_added_renamed))±"
elif [[ $number_added_modified -gt 0 ]]; then
modified=" ●$((number_added_modified+number_added_renamed))±"
fi
local number_deleted=$(\grep -c "^.D" <<< "${git_status}")
if [[ $number_deleted -gt 0 ]]; then
deleted=" $number_deleted‒"
bgclr='red'
fgclr='white'
fi
local number_added_deleted=$(\grep -c "^D" <<< "${git_status}")
if [[ $number_deleted -gt 0 && $number_added_deleted -gt 0 ]]; then
deleted="$deleted$number_added_deleted±"
elif [[ $number_added_deleted -gt 0 ]]; then
deleted=" ‒$number_added_deleted±"
fi
local tag_at_current_commit=$(git describe --exact-match --tags $current_commit_hash 2> /dev/null)
if [[ -n $tag_at_current_commit ]]; then tagged=" ☗$tag_at_current_commit "; fi
local number_of_stashes="$(git stash list -n1 2> /dev/null | wc -l)"
if [[ $number_of_stashes -gt 0 ]]; then
stashed=" ${number_of_stashes##*( )}⚙"
bgclr='magenta'
fgclr='white'
fi
if [[ $number_added -gt 0 || $number_added_modified -gt 0 || $number_added_deleted -gt 0 ]]; then ready_commit=' ⚑'; fi
local upstream_prompt=''
if [[ $has_upstream == true ]]; then
commits_diff="$(git log --pretty=oneline --topo-order --left-right ${current_commit_hash}...${upstream} 2> /dev/null)"
commits_ahead=$(\grep -c "^<" <<< "$commits_diff")
commits_behind=$(\grep -c "^>" <<< "$commits_diff")
upstream_prompt="$(git rev-parse --symbolic-full-name --abbrev-ref @{upstream} 2> /dev/null)"
upstream_prompt=$(sed -e 's/\/.*$/ ☊ /g' <<< "$upstream_prompt")
fi
has_diverged=false
if [[ $commits_ahead -gt 0 && $commits_behind -gt 0 ]]; then has_diverged=true; fi
if [[ $has_diverged == false && $commits_ahead -gt 0 ]]; then
if [[ $bgclr == 'red' || $bgclr == 'magenta' ]] then
to_push=" $fg_bold[white]↑$commits_ahead$fg_bold[$fgclr]"
else
to_push=" $fg_bold[black]↑$commits_ahead$fg_bold[$fgclr]"
fi
fi
if [[ $has_diverged == false && $commits_behind -gt 0 ]]; then to_pull=" $fg_bold[magenta]↓$commits_behind$fg_bold[$fgclr]"; fi
if [[ -e "${repo_path}/BISECT_LOG" ]]; then
mode=" <B>"
elif [[ -e "${repo_path}/MERGE_HEAD" ]]; then
mode=" >M<"
elif [[ -e "${repo_path}/rebase" || -e "${repo_path}/rebase-apply" || -e "${repo_path}/rebase-merge" || -e "${repo_path}/../.dotest" ]]; then
mode=" >R>"
fi
prompt_segment $bgclr $fgclr
echo -n " %{$fg_bold[$fgclr]%}${ref/refs\/heads\//$PL_BRANCH_CHAR $upstream_prompt}${mode}$to_push$to_pull$clean$tagged$stashed$untracked$modified$deleted$added$ready_commit%{$fg_no_bold[$fgclr]%} "
fi
}
# Dir: current working directory
prompt_dir() {
prompt_segment blue $PRIMARY_FG ' %~ '
}
# Status:
# - was there an error
# - am I root
# - are there background jobs?
prompt_status() {
local symbols
symbols=()
[[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}$CROSS"
[[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}$LIGHTNING"
[[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}$GEAR"
[[ -n "$symbols" ]] && prompt_segment $PRIMARY_FG default " $symbols "
}
# Display current virtual environment
prompt_virtualenv() {
if [[ -n $VIRTUAL_ENV ]]; then
color=cyan
prompt_segment $color $PRIMARY_FG
print -Pn " $(basename $VIRTUAL_ENV) "
fi
}
## Main prompt
prompt_agnoster_main() {
RETVAL=$?
CURRENT_BG='NONE'
prompt_status
prompt_context
prompt_virtualenv
prompt_dir
prompt_git
prompt_end
}
prompt_agnoster_precmd() {
vcs_info
PROMPT='%{%f%b%k%}$(prompt_agnoster_main) '
}
prompt_agnoster_setup() {
autoload -Uz add-zsh-hook
autoload -Uz vcs_info
prompt_opts=(cr subst percent)
add-zsh-hook precmd prompt_agnoster_precmd
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:*' check-for-changes false
zstyle ':vcs_info:git*' formats '%b'
zstyle ':vcs_info:git*' actionformats '%b (%a)'
}
prompt_agnoster_setup "$@"