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zsh-theme: add multi-line support for long prompts, cleanup

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note: this is a disaster
This commit is contained in:
bretello 2020-12-04 21:06:59 +01:00
parent a69c162cec
commit adf3daefad
Signed by: brethil
GPG Key ID: 876AAC6290170FE7
1 changed files with 58 additions and 18 deletions
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76
brethil.zsh-theme
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@ -5,15 +5,37 @@
# 255: white
# See the prompt expansion section in `info zsh` for more info
is_byobu="$(env | grep BYOBU)"
local USER_PROMPT="%(#.%K{160}%F{255}[root]%k%f.)" # root printed on a red background # TODO: add lightning here
local JOB_PROMPT="%(1j.%B%K{202}%F{220} %j %k%b.)" # Shows jobs number on an orange background if there are background jobs
if [[ -n "$is_byobu" ]]; then
local SHLVL_PROMPT="%(3L.%K{161}%F{255}%B $((SHLVL-1)) %f%b%k.)" # Shows SHLVL on a magenta background if SHLVL > 1
else
local SHLVL_PROMPT="%(2L.%K{161}%F{255}%B %L %f%b%k.)" # Shows SHLVL on a magenta background if SHLVL > 1
fi
local PATH_PROMPT="%F{white}[%F{green}%(4~:…/%3~:%~)%F{white}]%f" # Shows last 3 items in path if there are more than 4
function user_prompt(){
# root printed on a red background
local USER_PROMPT="%(#.%K{160}%F{255}[root]%k%f.)"
echo "$USER_PROMPT"
# if [[ -n $SSH_CONNECTION ]]; then
# local host="${purple}%B%m%b${default}"
# host="%U${host}%u"
# echo "$host"
# fi
}
function job_prompt() {
local JOB_PROMPT="%(1j.%B%K{202}%F{220} %j %k%b.)" # Shows jobs number on an orange background if there are background jobs
echo "$JOB_PROMPT"
}
function shlvl_prompt() {
local SHLVL_PROMPT
if [[ -n "$BYOBU_PREFIX" ]]; then
SHLVL_PROMPT="%(3L.%K{161}%F{255}%B $((SHLVL-1)) %f%b%k.)" # Shows SHLVL on a magenta background if SHLVL > 1
else
SHLVL_PROMPT="%(2L.%K{161}%F{255}%B %L %f%b%k.)" # Shows SHLVL on a magenta background if SHLVL > 1
fi
echo "$SHLVL_PROMPT"
}
function path_prompt(){
# Shows last 3 items in path if there are more than 4
local PATH_PROMPT="%F{white}[%F{green}%(4~:…/%3~:%~)%F{white}]%f"
echo "$PATH_PROMPT"
}
# PREFIX/SUFFIX are added before/after `git_prompt_info`
ZSH_THEME_GIT_PROMPT_PREFIX="%f%{$fg[yellow]%} "
@ -67,20 +89,38 @@ function git_prompt() {
function check_last_exit_code() {
local LAST_EXIT_CODE=$?
if [[ $LAST_EXIT_CODE -ne 0 ]]; then
local EXIT_CODE_PROMPT=' '
# EXIT_CODE_PROMPT+="%{$fg[red]%}-%{$reset_color%}"
# EXIT_CODE_PROMPT+="%{$fg_bold[red]%}$LAST_EXIT_CODE%{$reset_color%}"
local EXIT_CODE_PROMPT
EXIT_CODE_PROMPT+="%B%F{88}-$LAST_EXIT_CODE-%f%b"
# EXIT_CODE_PROMPT+="%{$fg[red]%}-%{$reset_color%}"
echo "$EXIT_CODE_PROMPT"
fi
}
local return_code="%(?.."'$(check_last_exit_code)'")" # for RPS1
local ret_status="%(?:%B%F{28} →%f%b:%{$fg[red]%} ✗%{$reset_color%})" # for PS1
function return_code_RPS1() {
# For right-side prompt
local return_code="%(?..$(check_last_exit_code))" # for RPS1
echo "$return_code"
}
function ret_status() {
local ret_status="%(?:%B%F{28} →%f%b:%{$fg[red]%} x%{$reset_color%})"
echo "$ret_status"
}
_PROMPT_PROTO='$(virtualenv_info)$(user_prompt)$(path_prompt)$(git_prompt)$(job_prompt)$(shlvl_prompt)'
function prompt_too_long(){
local zero='%([BSUbfksu]|([FK]|){*})'
local stripped="$(echo ${(S%%)_PROMPT_PROTO//$~zero/} | sed "s,\x1B\[[0-9;]*[a-zA-Z],,g" ) "
local prompt_len=${#stripped}
local max_len=$(($COLUMNS/2))
if [[ $prompt_len -ge $max_len ]]; then
echo true
fi
}
PROMPT="$(echo "$_PROMPT_PROTO")"
NEWLINE=$'\n'
PROMPT+='${$(prompt_too_long)/true/${NEWLINE}}'
PROMPT+='$(ret_status) '
# Prompt looks like this: <virtualenv> [user][path](git)[jobn][shlvl] retstatus
PROMPT='$(virtualenv_info)'"${USER_PROMPT}${PATH_PROMPT}"'$(git_prompt)'"${JOB_PROMPT}${SHLVL_PROMPT}${ret_status} "
# Right prompt is just return code and time
RPS1="${return_code} %F{255}[%*]%f"
RPS1='$(return_code_RPS1) %F{255}[%*]%f'