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# vim:ft=zsh ts=2 sw=2 sts=2 |
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# |
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# agnoster's Theme - https://gist.github.com/3712874 |
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# A Powerline-inspired theme for ZSH |
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# |
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# # README |
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# |
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# In order for this theme to render correctly, you will need a |
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# [Powerline-patched font](https://gist.github.com/1595572). |
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# |
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# In addition, I recommend the |
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# [Solarized theme](https://github.com/altercation/solarized/) and, if you're |
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# using it on Mac OS X, [iTerm 2](http://www.iterm2.com/) over Terminal.app - |
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# it has significantly better color fidelity. |
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# |
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# # Goals |
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# |
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# The aim of this theme is to only show you *relevant* information. Like most |
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# prompts, it will only show git information when in a git working directory. |
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# However, it goes a step further: everything from the current user and |
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# hostname to whether the last call exited with an error to whether background |
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# jobs are running in this shell will all be displayed automatically when |
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# appropriate. |
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### Segment drawing |
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# A few utility functions to make it easy and re-usable to draw segmented prompts |
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CURRENT_BG='NONE' |
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PRIMARY_FG=black |
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# Characters |
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RIGHT_POINTING_BLOCK_SEGMENT_SEPARATOR="\ue0b0" |
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RIGHT_POINTING_SEGMENT_SEPARATOR="\ue0b1" |
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LEFT_POINTING_BLOCK_SEGMENT_SEPARATOR="\ue0b2" |
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LEFT_POINTING_SEGMENT_SEPARATOR="\ue0b3" |
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PLUSMINUS="\u00b1" |
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BRANCH="\ue0a0" |
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DETACHED="\u27a6" |
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CROSS="\xF0\x9F\x98\xA1 " |
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LIGHTNING="\u26a1" |
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GEAR="\u2699" |
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LINE_NUMBER="\ue0a1" |
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LOCK="\ue0a2" |
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# Begin a segment |
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# Takes two arguments, background and foreground. Both can be omitted, |
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# rendering default background/foreground. |
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prompt_segment() { |
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local bg fg |
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[[ -n $1 ]] && bg="%K{$1}" || bg="%k" |
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[[ -n $2 ]] && fg="%F{$2}" || fg="%f" |
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if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then |
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print -n "%{$bg%F{$CURRENT_BG}%}$RIGHT_POINTING_BLOCK_SEGMENT_SEPARATOR%{$fg%}" |
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elif [[ $CURRENT_BG != 'NONE' && $1 == $CURRENT_BG ]]; then |
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print -n "%{$bg%F{$2}%}$RIGHT_POINTING_SEGMENT_SEPARATOR%{$fg%}" |
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else |
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print -n "%{$bg%}%{$fg%}" |
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fi |
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CURRENT_BG=$1 |
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[[ -n $3 ]] && print -n $3 |
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} |
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# End the prompt, closing any open segments |
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prompt_end() { |
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if [[ -n $CURRENT_BG ]]; then |
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print -n "%{%k%F{$CURRENT_BG}%}$RIGHT_POINTING_BLOCK_SEGMENT_SEPARATOR" |
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else |
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print -n "%{%k%}" |
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fi |
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print -n "%{%f%}" |
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CURRENT_BG='' |
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} |
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right_prompt_start() { |
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local bg fg |
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[[ -n $1 ]] && bg="%K{$1}" || bg="%k" |
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[[ -n $2 ]] && fg="%F{$2}" || fg="%f" |
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if [[ $CURRENT_BG == 'NONE' ]]; then |
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print -n "%{%k%F{$1}%}$LEFT_POINTING_BLOCK_SEGMENT_SEPARATOR%{$bg%}%{$fg%}" |
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elif [[ $1 == $CURRENT_BG ]]; then |
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print -n "%{$fg%}$LEFT_POINTING_SEGMENT_SEPARATOR%{$bg%}%{$fg%}" |
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else |
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print -n "%{%F{$1}%}$LEFT_POINTING_BLOCK_SEGMENT_SEPARATOR%{$bg%}%{$fg%}" |
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fi |
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CURRENT_BG=$1 |
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[[ -n $3 ]] && print -n $3 |
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} |
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# End the right prompt, closing any open segments |
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right_prompt_end() { |
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if [[ -n $CURRENT_BG ]]; then |
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print -n "%{%f%k%}" |
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fi |
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CURRENT_BG='' |
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} |
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### Prompt components |
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# Each component will draw itself, and hide itself if no information needs to be shown |
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# Context: user@hostname (who am I and where am I) |
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prompt_context() { |
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local user=`whoami` |
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if [[ "$user" != "$DEFAULT_USER" || -n "$SSH_CONNECTION" ]]; then |
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prompt_segment $PRIMARY_FG default " %(!.%{%F{yellow}%}.)$user@%m " |
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fi |
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} |
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# Git: branch/detached head, dirty status |
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right_prompt_git() { |
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local color ref |
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is_dirty() { |
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test -n "$(git status --porcelain --ignore-submodules)" |
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} |
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ref="$vcs_info_msg_0_" |
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if [[ -n "$ref" ]]; then |
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if is_dirty; then |
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color=yellow |
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ref="${ref} $PLUSMINUS" |
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else |
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color=green |
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ref="${ref} " |
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fi |
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if [[ "${ref/.../}" == "$ref" ]]; then |
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ref="$BRANCH $ref" |
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else |
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ref="$DETACHED ${ref/.../}" |
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fi |
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right_prompt_start $color $PRIMARY_FG |
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print -Pn " $ref" |
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fi |
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} |
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# Dir: current working directory |
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prompt_dir() { |
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prompt_segment blue $PRIMARY_FG ' %~ ' |
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} |
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# Status: |
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# - was there an error |
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# - am I root |
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# - are there background jobs? |
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prompt_status() { |
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local symbols |
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symbols=() |
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[[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}$CROSS" |
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[[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}$LIGHTNING" |
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[[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}$GEAR" |
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[[ -n "$symbols" ]] && prompt_segment $PRIMARY_FG default " $symbols " |
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} |
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## Main prompt |
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prompt_agnoster_main() { |
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RETVAL=$? |
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CURRENT_BG='NONE' |
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prompt_status |
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prompt_context |
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prompt_dir |
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prompt_end |
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} |
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prompt_agnoster_right() { |
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CURRENT_BG='NONE' |
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right_prompt_start green $PRIMARY_FG ' %t ' |
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right_prompt_git |
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right_prompt_end |
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} |
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prompt_agnoster_precmd() { |
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vcs_info |
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PROMPT=$'%{%f%b%k%}$(prompt_agnoster_main)\n\u21e8 ' |
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RPROMPT=$'%{%f%b%k%}$(prompt_agnoster_right)' |
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} |
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prompt_agnoster_setup() { |
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autoload -Uz add-zsh-hook |
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autoload -Uz vcs_info |
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prompt_opts=(cr subst percent) |
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add-zsh-hook precmd prompt_agnoster_precmd |
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zstyle ':vcs_info:*' enable git |
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zstyle ':vcs_info:*' check-for-changes false |
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zstyle ':vcs_info:git*' formats '%b' |
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zstyle ':vcs_info:git*' actionformats '%b (%a)' |
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} |
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prompt_agnoster_setup "$@" |
