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lib/theme: eliminate a lot of subshells 

A lot of useless `echo`s in here.
pull/2038/head
John D Pell 2022-01-26 11:02:11 -08:00 committed by John D Pell
parent ac0d91b682
commit 2b3af0d8c9
1 changed files with 19 additions and 15 deletions
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34
themes/base.theme.bash
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@ -206,14 +206,14 @@ function scm_prompt_info_common() {
function terraform_workspace_prompt() {
if _command_exists terraform; then
if [[ -d .terraform ]]; then
echo -e "$(terraform workspace show 2> /dev/null)"
terraform workspace show 2> /dev/null
fi
fi
}
function active_gcloud_account_prompt() {
if _command_exists gcloud; then
echo -e "$(gcloud config list account --format "value(core.account)" 2> /dev/null)"
gcloud config list account --format "value(core.account)" 2> /dev/null
fi
}
@ -291,7 +291,7 @@ function git_prompt_vars() {
unstaged_count="${VCS_STATUS_NUM_UNSTAGED?}"
staged_count="${VCS_STATUS_NUM_STAGED?}"
else
IFS=$'\t' read -r untracked_count unstaged_count staged_count <<< "$(_git-status-counts)"
IFS=$'\t' read -r untracked_count unstaged_count staged_count < <(_git-status-counts)
fi
if [[ "${untracked_count}" -gt 0 || "${unstaged_count}" -gt 0 || "${staged_count}" -gt 0 ]]; then
SCM_DIRTY=1
@ -310,14 +310,17 @@ function git_prompt_vars() {
SCM_PREFIX="${GIT_THEME_PROMPT_PREFIX:-$SCM_THEME_PROMPT_PREFIX}"
SCM_SUFFIX="${GIT_THEME_PROMPT_SUFFIX:-$SCM_THEME_PROMPT_SUFFIX}"
SCM_CHANGE=$(_git-short-sha 2> /dev/null || echo "")
SCM_CHANGE=$(_git-short-sha 2> /dev/null || true)
}
function p4_prompt_vars() {
local opened_count non_default_changes default_count \
add_file_count edit_file_count delete_file_count
IFS=$'\t' read -r \
opened_count non_default_changes default_count \
add_file_count edit_file_count delete_file_count \
<<< "$(_p4-opened-counts)"
< <(_p4-opened-counts)
if [[ "${opened_count}" -gt 0 ]]; then
SCM_DIRTY=1
SCM_STATE="${SCM_THEME_PROMPT_DIRTY}"
@ -334,7 +337,7 @@ function p4_prompt_vars() {
}
function svn_prompt_vars() {
if [[ -n $(svn status | head -c1 2> /dev/null) ]]; then
if [[ -n "$(svn status | head -c1 2> /dev/null)" ]]; then
SCM_DIRTY=1
SCM_STATE="${SVN_THEME_PROMPT_DIRTY:-$SCM_THEME_PROMPT_DIRTY}"
else
@ -407,7 +410,7 @@ function nvm_version_prompt() {
}
function node_version_prompt() {
echo -e "$(nvm_version_prompt)"
nvm_version_prompt
}
function rvm_version_prompt() {
@ -457,14 +460,15 @@ function ruby_version_prompt() {
}
function k8s_context_prompt() {
echo -e "$(kubectl config current-context 2> /dev/null)"
kubectl config current-context 2> /dev/null
}
function k8s_namespace_prompt() {
echo -e "$(kubectl config view --minify --output 'jsonpath={..namespace}' 2> /dev/null)"
kubectl config view --minify --output 'jsonpath={..namespace}' 2> /dev/null
}
function virtualenv_prompt() {
local virtualenv
if [[ -n "${VIRTUAL_ENV:-}" ]]; then
virtualenv="${VIRTUAL_ENV##*/}"
echo -e "$VIRTUALENV_THEME_PROMPT_PREFIX$virtualenv$VIRTUALENV_THEME_PROMPT_SUFFIX"
@ -507,13 +511,13 @@ function clock_char() {
}
function clock_prompt() {
local CLOCK_COLOR="${THEME_CLOCK_COLOR:-${normal?}}"
local CLOCK_FORMAT="${THEME_CLOCK_FORMAT:-"%H:%M:%S"}"
local SHOW_CLOCK="${THEME_SHOW_CLOCK:-${THEME_CLOCK_CHECK:-true}}"
local CLOCK_STRING="\D{${CLOCK_FORMAT}}"
local clock_color="${THEME_CLOCK_COLOR:-${normal?}}"
local clock_format="${THEME_CLOCK_FORMAT:-"%H:%M:%S"}"
local show_clock="${THEME_SHOW_CLOCK:-${THEME_CLOCK_CHECK:-true}}"
local clock_string="\D{${clock_format}}"
if [[ "${SHOW_CLOCK}" == "true" ]]; then
echo -e "${CLOCK_COLOR}${CLOCK_THEME_PROMPT_PREFIX}${CLOCK_STRING}${CLOCK_THEME_PROMPT_SUFFIX}"
if [[ "${show_clock}" == "true" ]]; then
echo -e "${clock_color}${CLOCK_THEME_PROMPT_PREFIX}${clock_string}${CLOCK_THEME_PROMPT_SUFFIX}"
fi
}