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Display the prompt when changing directories 

This change allows for the capture of the expanded prompt (rather than the raw `PS1`) so that
it is easier to maintain context when changing directories.

Fix is based on the comments from [this stackoverflow](http://stackoverflow.com/a/24006864)
pull/697/head
Clay Reimann 2016-04-08 09:19:48 -05:00
parent fd6c5e23c0
commit 93d70a6150
1 changed files with 10 additions and 7 deletions
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17
themes/iterate/iterate.theme.bash
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@ -40,17 +40,20 @@ function git_prompt_info {
echo -e "$SCM_PREFIX$SCM_BRANCH$SCM_STATE$SCM_GIT_AHEAD$SCM_GIT_BEHIND$SCM_GIT_STASH$SCM_SUFFIX" echo -e "$SCM_PREFIX$SCM_BRANCH$SCM_STATE$SCM_GIT_AHEAD$SCM_GIT_BEHIND$SCM_GIT_STASH$SCM_SUFFIX"
} }
LAST_PROMPT_INFO="" LAST_PROMPT=""
function prompt_command() { function prompt_command() {
local prompt_info="\n${bold_cyan}$(scm_char)${yellow}$(ruby_version_prompt)${green}\w $(scm_prompt_info)" local new_PS1="${bold_cyan}$(scm_char)${yellow}$(ruby_version_prompt)${green}\w $(scm_prompt_info)"
if [ "$LAST_PROMPT_INFO" = "$prompt_info" ]; then local new_prompt=$(PS1="$new_PS1" "$BASH" --norc -i </dev/null 2>&1 | sed -n '${s/^\(.*\)exit$/\1/p;}')
prompt_info=""
if [ "$LAST_PROMPT" = "$new_prompt" ]; then
new_PS1=""
else else
LAST_PROMPT_INFO="$prompt_info" LAST_PROMPT="$new_prompt"
fi fi
local wrap_char="" local wrap_char=""
[[ ${#prompt_info} -gt $(($COLUMNS/1)) ]] && wrap_char="\n" [[ ${#new_PS1} -gt $(($COLUMNS/1)) ]] && wrap_char="\n"
PS1="${prompt_info}${green}${wrap_char}→${reset_color} " PS1="${new_PS1}${green}${wrap_char}→${reset_color} "
} }
PROMPT_COMMAND=prompt_command; PROMPT_COMMAND=prompt_command;