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### Segment drawing
# A few utility functions to make it easy and re-usable to draw segmented prompts
CURRENT_BG=''
SEGMENT_SEPARATOR='⮀'
function segment_start() {
local bg=$1
local fg=$2
if [[ -n $CURRENT_BG && $bg != $CURRENT_BG ]]; then
echo -n " %{%K{$bg}%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
else
echo -n "%{%K{$bg}%}"
fi
[[ -n $fg ]] && fg="%F{$fg}" || fg="%f"
echo -n "%{$fg%} "
CURRENT_BG=$bg
}
function segment_stop() {
if [[ -n $CURRENT_BG ]]; then
echo -n " %{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
else
echo -n "%{%k%}"
fi
echo -n "%{%f%}"
CURRENT_BG=''
}
### Prompt components
# Each component will draw itself, and hide itself if no information needs to be shown
function prompt_context() {
local user=`whoami`
if [[ ("$user" != "$DEFAULT_USER") || (-n "$SSH_CLIENT") ]]; then
segment_start black
#echo -n "%{%F{yellow}%}$user%{%F{gray}%}@%{%F{green}%}%m%{%f%}"
echo -n "%(!.%{%F{yellow}%}.)$user@%m"
fi
}
function prompt_git() {
if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
ZSH_THEME_GIT_PROMPT_DIRTY='±'
local dirty=$(parse_git_dirty)
local ref
ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git show-ref --head -s --abbrev |head -n1 2> /dev/null)"
if [[ -n $dirty ]]; then
segment_start yellow black
else
segment_start green black
fi
echo -n "${ref/refs\/heads\//⭠ }$dirty"
fi
}
function prompt_dir() {
segment_start blue white
echo -n '%~'
}
function prompt_status() {
local symbols
symbols=()
[[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}✘"
[[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}⚡"
jobs=$(jobs -l | wc -l)
[[ $jobs -gt 0 ]] && symbols+="%{%F{cyan}%}⚙"
if [[ -n "$symbols" ]]; then
segment_start black white
echo -n "${symbols}"
fi
}
## Main prompt
function build_prompt() {
RETVAL=$?
prompt_status
prompt_context
prompt_dir
prompt_git
segment_stop
}
PROMPT='%{%f%b%k%}
$(build_prompt) '
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