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@ddimick
Created July 24, 2021 16:09
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  1. ddimick created this gist Jul 24, 2021.
    229 changes: 229 additions & 0 deletions custom.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://github.com/Lokaltog/powerline-fonts).
    # Make sure you have a recent version: the code points that Powerline
    # uses changed in 2012, and older versions will display incorrectly,
    # in confusing ways.
    #
    # 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'

    # Special Powerline characters

    () {
    local LC_ALL="" LC_CTYPE="en_US.UTF-8"
    # NOTE: This segment separator character is correct. In 2012, Powerline changed
    # the code points they use for their special characters. This is the new code point.
    # If this is not working for you, you probably have an old version of the
    # Powerline-patched fonts installed. Download and install the new version.
    # Do not submit PRs to change this unless you have reviewed the Powerline code point
    # history and have new information.
    # This is defined using a Unicode escape sequence so it is unambiguously readable, regardless of
    # what font the user is viewing this source code in. Do not replace the
    # escape sequence with a single literal character.
    # Do not change this! Do not make it '\u2b80'; that is the old, wrong code point.
    SEGMENT_SEPARATOR=$'\ue0b0'
    }

    # 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 != $CURRENT_BG ]]; then
    echo -n " %{$bg%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR%{$fg%} "
    else
    echo -n "%{$bg%}%{$fg%} "
    fi
    CURRENT_BG=$1
    [[ -n $3 ]] && echo -n $3
    }

    # End the prompt, closing any open segments
    prompt_end() {
    if [[ -n $CURRENT_BG ]]; then
    echo -n " %{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
    else
    echo -n "%{%k%}"
    fi
    echo -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() {
    if [[ "$USER" != "$DEFAULT_USER" || -n "$SSH_CLIENT" ]]; then
    #prompt_segment black default "%(!.%{%F{yellow}%}.)$USER@%m"
    prompt_segment 237 242 "%(!.%{%F{yellow}%}.)$USER@%m"
    fi
    }

    # Git: branch/detached head, dirty status
    prompt_git() {
    (( $+commands[git] )) || return
    local PL_BRANCH_CHAR
    () {
    local LC_ALL="" LC_CTYPE="en_US.UTF-8"
    PL_BRANCH_CHAR=$'\ue0a0' #
    }
    local ref dirty mode repo_path
    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)
    ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="$(git rev-parse --short HEAD 2> /dev/null)"
    if [[ -n $dirty ]]; then
    prompt_segment yellow black
    else
    prompt_segment green black
    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

    setopt promptsubst
    autoload -Uz vcs_info

    zstyle ':vcs_info:*' enable git
    zstyle ':vcs_info:*' get-revision true
    zstyle ':vcs_info:*' check-for-changes true
    zstyle ':vcs_info:*' stagedstr ''
    zstyle ':vcs_info:*' unstagedstr ''
    zstyle ':vcs_info:*' formats ' %u%c'
    zstyle ':vcs_info:*' actionformats ' %u%c'
    vcs_info
    echo -n "${ref/refs\/heads\//$PL_BRANCH_CHAR }${vcs_info_msg_0_%% }${mode}"
    fi
    }

    prompt_bzr() {
    (( $+commands[bzr] )) || return
    if (bzr status >/dev/null 2>&1); then
    status_mod=`bzr status | head -n1 | grep "modified" | wc -m`
    status_all=`bzr status | head -n1 | wc -m`
    revision=`bzr log | head -n2 | tail -n1 | sed 's/^revno: //'`
    if [[ $status_mod -gt 0 ]] ; then
    prompt_segment yellow black
    echo -n "bzr@"$revision ""
    else
    if [[ $status_all -gt 0 ]] ; then
    prompt_segment yellow black
    echo -n "bzr@"$revision

    else
    prompt_segment green black
    echo -n "bzr@"$revision
    fi
    fi
    fi
    }

    prompt_hg() {
    (( $+commands[hg] )) || return
    local rev status
    if $(hg id >/dev/null 2>&1); then
    if $(hg prompt >/dev/null 2>&1); then
    if [[ $(hg prompt "{status|unknown}") = "?" ]]; then
    # if files are not added
    prompt_segment red white
    st='±'
    elif [[ -n $(hg prompt "{status|modified}") ]]; then
    # if any modification
    prompt_segment yellow black
    st='±'
    else
    # if working copy is clean
    prompt_segment green black
    fi
    echo -n $(hg prompt "☿ {rev}@{branch}") $st
    else
    st=""
    rev=$(hg id -n 2>/dev/null | sed 's/[^-0-9]//g')
    branch=$(hg id -b 2>/dev/null)
    if `hg st | grep -q "^\?"`; then
    prompt_segment red black
    st='±'
    elif `hg st | grep -q "^[MA]"`; then
    prompt_segment yellow black
    st='±'
    else
    prompt_segment green black
    fi
    echo -n "$rev@$branch" $st
    fi
    fi
    }

    # Dir: current working directory
    prompt_dir() {
    prompt_segment 240 248 '%~'
    }

    # Virtualenv: current working virtualenv
    prompt_virtualenv() {
    local virtualenv_path="$VIRTUAL_ENV"
    if [[ -n $virtualenv_path && -n $VIRTUAL_ENV_DISABLE_PROMPT ]]; then
    prompt_segment blue black "(`basename $virtualenv_path`)"
    fi
    }

    # Status:
    # - was there an error
    # - am I root
    # - are there background jobs?
    prompt_status() {
    local symbols
    symbols=()
    [[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}✘"
    [[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}⚡"
    [[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}⚙"

    [[ -n "$symbols" ]] && prompt_segment black default "$symbols"
    }

    ## Main prompt
    build_prompt() {
    RETVAL=$?
    prompt_status
    prompt_virtualenv
    prompt_context
    prompt_dir
    prompt_git
    prompt_bzr
    prompt_hg
    prompt_end
    }

    PROMPT='%{%f%b%k%}$(build_prompt) '