145 lines
3.5 KiB
Plaintext
145 lines
3.5 KiB
Plaintext
# Eriner's Theme - fork of agnoster
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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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# # 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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SEGMENT_SEPARATOR="\ue0b0"
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PLUSMINUS="\u00b1"
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BRANCH="\ue0a0"
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DETACHED="\u27a6"
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CROSS="\u2718"
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LIGHTNING="\u26a1"
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GEAR="\u2699"
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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{${CURRENT_BG}}%}${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}}%}${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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### 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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if [[ ${USERNAME} != ${DEFAULT_USER} || -n ${SSH_CONNECTION} ]]; then
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prompt_segment ${PRIMARY_FG} default " %(!.%{%F{yellow}%}.)${USERNAME}@%m "
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fi
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}
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# Git: branch/detached head, dirty status
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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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prompt_segment ${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 cyan ${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_git
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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%}$(prompt_agnoster_main) '
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}
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prompt_agnoster_setup() {
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autoload -Uz add-zsh-hook
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autoload -Uz vcs_info
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prompt_opts=(cr subst percent)
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add-zsh-hook precmd prompt_agnoster_precmd
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zstyle ':vcs_info:*' enable git
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zstyle ':vcs_info:*' check-for-changes false
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zstyle ':vcs_info:git*' formats '%b'
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zstyle ':vcs_info:git*' actionformats '%b (%a)'
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}
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prompt_agnoster_setup "$@"
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