Created
February 17, 2014 20:35
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| function __promptline_last_exit_code { | |
| [[ $last_exit_code -gt 0 ]] || return 1; | |
| printf "%s" "$last_exit_code" | |
| } | |
| function __promptline_ps1 { | |
| local slice_prefix slice_empty_prefix slice_joiner slice_suffix is_prompt_empty=1 | |
| # section "a" header | |
| slice_prefix="${a_bg}${sep}${a_fg}${a_bg}${space}" slice_suffix="$space${a_sep_fg}" slice_joiner="${a_fg}${a_bg}${alt_sep}${space}" slice_empty_prefix="${a_fg}${a_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "a" slices | |
| __promptline_wrapper "$([[ -n ${ZSH_VERSION-} ]] && print %m || printf "%s" \\h)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # section "b" header | |
| slice_prefix="${b_bg}${sep}${b_fg}${b_bg}${space}" slice_suffix="$space${b_sep_fg}" slice_joiner="${b_fg}${b_bg}${alt_sep}${space}" slice_empty_prefix="${b_fg}${b_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "b" slices | |
| __promptline_wrapper "$([[ -n ${ZSH_VERSION-} ]] && print %n || printf "%s" \\u)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # modified "slice_prefix into "${slice_prefix}ⓔ " | |
| __promptline_wrapper "${VIRTUAL_ENV##*/}" "${slice_prefix}ⓔ " "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # section "c" header | |
| slice_prefix="${c_bg}${sep}${c_fg}${c_bg}${space}" slice_suffix="$space${c_sep_fg}" slice_joiner="${c_fg}${c_bg}${alt_sep}${space}" slice_empty_prefix="${c_fg}${c_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "c" slices | |
| __promptline_wrapper "$(__promptline_cwd)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # section "z" header | |
| slice_prefix="${z_bg}${sep}${z_fg}${z_bg}${space}" slice_suffix="$space${z_sep_fg}" slice_joiner="${z_fg}${z_bg}${alt_sep}${space}" slice_empty_prefix="${z_fg}${z_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "z" slices | |
| __promptline_wrapper "$(__promptline_vcs_branch)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| __promptline_wrapper "$(__promptline_git_status)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # section "warn" header | |
| slice_prefix="${warn_bg}${sep}${warn_fg}${warn_bg}${space}" slice_suffix="$space${warn_sep_fg}" slice_joiner="${warn_fg}${warn_bg}${alt_sep}${space}" slice_empty_prefix="${warn_fg}${warn_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "warn" slices | |
| __promptline_wrapper "$(__promptline_last_exit_code)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # close sections | |
| printf "%s" "${reset_bg}${sep}$reset$space" | |
| } | |
| function __promptline_vcs_branch { | |
| local branch | |
| local branch_symbol=" " | |
| # git | |
| if hash git 2>/dev/null; then | |
| if branch=$( { git symbolic-ref --quiet HEAD || git rev-parse --short HEAD; } 2>/dev/null ); then | |
| branch=${branch##*/} | |
| printf "%s" "${branch_symbol}${branch:-unknown}" | |
| return | |
| fi | |
| fi | |
| return 1 | |
| } | |
| function __promptline_cwd { | |
| local dir_limit="3" | |
| local truncation="⋯" | |
| local first_char | |
| local part_count=0 | |
| local formatted_cwd="" | |
| local dir_sep=" " | |
| local cwd="${PWD/#$HOME/~}" | |
| # get first char of the path, i.e. tilde or slash | |
| [[ -n ${ZSH_VERSION-} ]] && first_char=$cwd[1,1] || first_char=${cwd::1} | |
| # remove leading tilde | |
| cwd="${cwd#\~}" | |
| while [[ "$cwd" == */* && "$cwd" != "/" ]]; do | |
| # pop off last part of cwd | |
| local part="${cwd##*/}" | |
| cwd="${cwd%/*}" | |
| formatted_cwd="$dir_sep$part$formatted_cwd" | |
| part_count=$((part_count+1)) | |
| [[ $part_count -eq $dir_limit ]] && first_char="$truncation" && break | |
| done | |
| printf "%s" "$first_char$formatted_cwd" | |
| } | |
| function __promptline_left_prompt { | |
| local slice_prefix slice_empty_prefix slice_joiner slice_suffix is_prompt_empty=1 | |
| # section "a" header | |
| slice_prefix="${a_bg}${sep}${a_fg}${a_bg}${space}" slice_suffix="$space${a_sep_fg}" slice_joiner="${a_fg}${a_bg}${alt_sep}${space}" slice_empty_prefix="${a_fg}${a_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "a" slices | |
| __promptline_wrapper "$([[ -n ${ZSH_VERSION-} ]] && print %m || printf "%s" \\h)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # section "b" header | |
| slice_prefix="${b_bg}${sep}${b_fg}${b_bg}${space}" slice_suffix="$space${b_sep_fg}" slice_joiner="${b_fg}${b_bg}${alt_sep}${space}" slice_empty_prefix="${b_fg}${b_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "b" slices | |
| __promptline_wrapper "$([[ -n ${ZSH_VERSION-} ]] && print %n || printf "%s" \\u)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| __promptline_wrapper "${VIRTUAL_ENV##*/}" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # section "c" header | |
| slice_prefix="${c_bg}${sep}${c_fg}${c_bg}${space}" slice_suffix="$space${c_sep_fg}" slice_joiner="${c_fg}${c_bg}${alt_sep}${space}" slice_empty_prefix="${c_fg}${c_bg}${space}" | |
| [ $is_prompt_empty -eq 1 ] && slice_prefix="$slice_empty_prefix" | |
| # section "c" slices | |
| __promptline_wrapper "$(__promptline_cwd)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; is_prompt_empty=0; } | |
| # close sections | |
| printf "%s" "${reset_bg}${sep}$reset$space" | |
| } | |
| function __promptline_wrapper { | |
| # wrap the text in $1 with $2 and $3, only if $1 is not empty | |
| # $2 and $3 typically contain non-content-text, like color escape codes and separators | |
| [[ -n "$1" ]] || return 1 | |
| printf "%s" "${2}${1}${3}" | |
| } | |
| function __promptline_git_status { | |
| [[ $(git rev-parse --is-inside-work-tree 2>/dev/null) == true ]] || return 1 | |
| local added_symbol="●" | |
| local unmerged_symbol="✖" | |
| local modified_symbol="✚" | |
| local clean_symbol="✔" | |
| local has_untracked_files_symbol="…" | |
| local ahead_symbol="↑" | |
| local behind_symbol="↓" | |
| local unmerged_count=0 modified_count=0 has_untracked_files=0 added_count=0 is_clean="" | |
| set -- $(git rev-list --left-right --count @{upstream}...HEAD 2>/dev/null) | |
| local behind_count=$1 | |
| local ahead_count=$2 | |
| # Added (A), Copied (C), Deleted (D), Modified (M), Renamed (R), changed (T), Unmerged (U), Unknown (X), Broken (B) | |
| while read line; do | |
| case "$line" in | |
| M*) modified_count=$(( $modified_count + 1 )) ;; | |
| U*) unmerged_count=$(( $unmerged_count + 1 )) ;; | |
| esac | |
| done < <(git diff --name-status) | |
| while read line; do | |
| case "$line" in | |
| *) added_count=$(( $added_count + 1 )) ;; | |
| esac | |
| done < <(git diff --name-status --cached) | |
| if [ -n "$(git ls-files --others --exclude-standard)" ]; then | |
| has_untracked_files=1 | |
| fi | |
| if [ $(( unmerged_count + modified_count + has_untracked_files + added_count )) -eq 0 ]; then | |
| is_clean=1 | |
| fi | |
| local leading_whitespace="" | |
| [[ $ahead_count -gt 0 ]] && { printf "%s" "$leading_whitespace$ahead_symbol$ahead_count"; leading_whitespace=" "; } | |
| [[ $behind_count -gt 0 ]] && { printf "%s" "$leading_whitespace$behind_symbol$behind_count"; leading_whitespace=" "; } | |
| [[ $modified_count -gt 0 ]] && { printf "%s" "$leading_whitespace$modified_symbol$modified_count"; leading_whitespace=" "; } | |
| [[ $unmerged_count -gt 0 ]] && { printf "%s" "$leading_whitespace$unmerged_symbol$unmerged_count"; leading_whitespace=" "; } | |
| [[ $added_count -gt 0 ]] && { printf "%s" "$leading_whitespace$added_symbol$added_count"; leading_whitespace=" "; } | |
| [[ $has_untracked_files -gt 0 ]] && { printf "%s" "$leading_whitespace$has_untracked_files_symbol"; leading_whitespace=" "; } | |
| [[ $is_clean -gt 0 ]] && { printf "%s" "$leading_whitespace$clean_symbol"; leading_whitespace=" "; } | |
| } | |
| function __promptline_right_prompt { | |
| local slice_prefix slice_empty_prefix slice_joiner slice_suffix | |
| # section "warn" header | |
| slice_prefix="${warn_sep_fg}${rsep}${warn_fg}${warn_bg}${space}" slice_suffix="$space${warn_sep_fg}" slice_joiner="${warn_fg}${warn_bg}${alt_rsep}${space}" slice_empty_prefix="" | |
| # section "warn" slices | |
| __promptline_wrapper "$(__promptline_last_exit_code)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; } | |
| # section "z" header | |
| slice_prefix="${z_sep_fg}${rsep}${z_fg}${z_bg}${space}" slice_suffix="$space${z_sep_fg}" slice_joiner="${z_fg}${z_bg}${alt_rsep}${space}" slice_empty_prefix="" | |
| # section "z" slices | |
| __promptline_wrapper "$(__promptline_vcs_branch)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; } | |
| __promptline_wrapper "$(__promptline_git_status)" "$slice_prefix" "$slice_suffix" && { slice_prefix="$slice_joiner"; } | |
| # close sections | |
| printf "%s" "$reset" | |
| } | |
| function __promptline { | |
| local last_exit_code="$?" | |
| local esc=$'[' end_esc=m | |
| if [[ -n ${ZSH_VERSION-} ]]; then | |
| local noprint='%{' end_noprint='%}' | |
| else | |
| local noprint='\[' end_noprint='\]' | |
| fi | |
| local wrap="$noprint$esc" end_wrap="$end_esc$end_noprint" | |
| local space=" " | |
| local sep="" | |
| local rsep="" | |
| local alt_sep="" | |
| local alt_rsep="" | |
| local reset="${wrap}0${end_wrap}" | |
| local reset_bg="${wrap}49${end_wrap}" | |
| local a_fg="${wrap}38;5;254${end_wrap}" | |
| local a_bg="${wrap}48;5;235${end_wrap}" | |
| local a_sep_fg="${wrap}38;5;235${end_wrap}" | |
| local b_fg="${wrap}38;5;14${end_wrap}" | |
| local b_bg="${wrap}48;5;242${end_wrap}" | |
| local b_sep_fg="${wrap}38;5;242${end_wrap}" | |
| local c_fg="${wrap}38;5;242${end_wrap}" | |
| local c_bg="${wrap}48;5;237${end_wrap}" | |
| local c_sep_fg="${wrap}38;5;237${end_wrap}" | |
| local warn_fg="${wrap}38;5;232${end_wrap}" | |
| local warn_bg="${wrap}48;5;166${end_wrap}" | |
| local warn_sep_fg="${wrap}38;5;166${end_wrap}" | |
| local z_fg="${wrap}38;5;254${end_wrap}" | |
| local z_bg="${wrap}48;5;235${end_wrap}" | |
| local z_sep_fg="${wrap}38;5;235${end_wrap}" | |
| if [[ -n ${ZSH_VERSION-} ]]; then | |
| PROMPT="$(__promptline_left_prompt)" | |
| RPROMPT="$(__promptline_right_prompt)" | |
| else | |
| PS1="$(__promptline_ps1)" | |
| fi | |
| } | |
| if [[ -n ${ZSH_VERSION-} ]]; then | |
| if [[ ! ${precmd_functions[(r)__promptline]} == __promptline ]]; then | |
| precmd_functions+=(__promptline) | |
| fi | |
| else | |
| if [[ ! "$PROMPT_COMMAND" == *__promptline* ]]; then | |
| PROMPT_COMMAND='__promptline;'$'\n'"$PROMPT_COMMAND" | |
| fi | |
| fi |
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