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https://github.com/romkatv/powerlevel10k.git
synced 2024-12-18 13:41:56 +00:00
speed up by using globals instead of stdout and by caching basic prompt elements
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romkatv
parent
7611cfda98
commit
e5b954fcae
1 changed files with 61 additions and 53 deletions
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@ -117,8 +117,8 @@ set_default POWERLEVEL9K_MAX_CACHE_SIZE 10000
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# printed. In order to cache the results of expensive computations in these functions,
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# we use a temporary file to communicate with the parent shell and to ask it to
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# change environment variables.
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typeset -AH p9k_cache_data=()
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typeset P9K_CACHE_CHANNEL=${$(mktemp -u)%/*}/p9k_cache_channel.$$
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typeset -AH _p9k_cache_data=()
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typeset _P9K_CACHE_CHANNEL=${$(mktemp -u)%/*}/p9k_cache_channel.$$
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# Store a key-value pair in the cache.
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#
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@ -131,7 +131,7 @@ p9k_cache_set() {
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if [[ $POWERLEVEL9K_USE_CACHE == true ]]; then
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# Prepend dot to the value so that we can easily tell apart empty
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# values from missing in p9k_cache_get.
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echo -E "p9k_cache_data+=(${(qq)1} .${(qq)2})" >>$P9K_CACHE_CHANNEL
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echo -E "_p9k_cache_data+=(${(qq)1} .${(qq)2})" >>$_P9K_CACHE_CHANNEL
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fi
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}
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@ -139,11 +139,19 @@ p9k_cache_set() {
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#
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# * $1: Key.
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#
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# Returns 1 if there is no value with the specified key.
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# If there is value associated with the specified key, sets _P9K_CACHE_VALUE and returns 0.
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# Otherwise unsets _P9K_CACHE_VALUE and returns 1.
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#
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# Note: The value is returned to the caller via a global variable rather than stdout for
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# better performance.
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p9k_cache_get() {
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local V=${p9k_cache_data[$1]}
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[[ -n $V ]] || return 1
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echo -E ${V:1}
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local V=${_p9k_cache_data[$1]}
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if [[ -n $V ]]; then
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_P9K_CACHE_VALUE=${V:1}
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else
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unset _P9K_CACHE_VALUE
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return 1
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fi
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}
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# Begin a left prompt segment
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@ -160,9 +168,7 @@ set_default last_left_element_index 1
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set_default POWERLEVEL9K_WHITESPACE_BETWEEN_LEFT_SEGMENTS " "
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left_prompt_segment() {
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local cache_key="${(q)0} ${(q)1} ${(q)2} ${(q)3} ${(q)4} ${(q)5:+1} ${(q)6} ${(q)CURRENT_BG}"
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local cached
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if ! cached=$(p9k_cache_get $cache_key); then
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if ! p9k_cache_get $cache_key; then
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local output=''
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local segment_name=$1
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local current_index=$2
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@ -232,12 +238,12 @@ left_prompt_segment() {
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# Print the visual identifier
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output+="${visual_identifier}"
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cached="${(qq)output} ${(qq)backgroundColor} ${(qq)foreground}"
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p9k_cache_set $cache_key $cached
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_P9K_CACHE_VALUE="${(qq)output} ${(qq)backgroundColor} ${(qq)foreground}"
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p9k_cache_set $cache_key $_P9K_CACHE_VALUE
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fi
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# output backgroundColor foreground
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local tuple=("${(@Q)${(z)cached}}")
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local tuple=("${(@Q)${(z)_P9K_CACHE_VALUE}}")
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echo -n $tuple[1]
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CURRENT_BG=$tuple[2]
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@ -249,17 +255,16 @@ left_prompt_segment() {
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# End the left prompt, closes the final segment.
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left_prompt_end() {
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local cache_key="$0 ${(q)CURRENT_BG}"
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local cached
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if ! cached=$(p9k_cache_get $cache_key); then
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if ! p9k_cache_get $cache_key; then
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if [[ -n $CURRENT_BG ]]; then
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cached+="%k$(foregroundColor ${CURRENT_BG})$(print_icon 'LEFT_SEGMENT_SEPARATOR')"
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_P9K_CACHE_VALUE="%k$(foregroundColor ${CURRENT_BG})$(print_icon 'LEFT_SEGMENT_SEPARATOR')"
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else
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cached+="%k"
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_P9K_CACHE_VALUE="%k"
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fi
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cached+="%f$(print_icon 'LEFT_SEGMENT_END_SEPARATOR')"
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p9k_cache_set $cache_key $cached
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_P9K_CACHE_VALUE+="%f$(print_icon 'LEFT_SEGMENT_END_SEPARATOR')"
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p9k_cache_set $cache_key $_P9K_CACHE_VALUE
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fi
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echo -n $cached
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echo -n $_P9K_CACHE_VALUE
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CURRENT_BG=''
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}
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@ -279,9 +284,8 @@ set_default last_right_element_index 1
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set_default POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS " "
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right_prompt_segment() {
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local cache_key="${(q)0} ${(q)1} ${(q)2} ${(q)3} ${(q)4} ${(q)5:+1} ${(q)6} ${(q)CURRENT_RIGHT_BG}"
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local cached
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if ! cached=$(p9k_cache_get $cache_key); then
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if ! p9k_cache_get $cache_key; then
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local output=''
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local segment_name="${1}"
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local current_index=$2
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@ -354,12 +358,12 @@ right_prompt_segment() {
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# Print whitespace only if segment is not joined or first right segment
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[[ $joined == false ]] || [[ "$CURRENT_RIGHT_BG" == "NONE" ]] && output+="${POWERLEVEL9K_WHITESPACE_BETWEEN_RIGHT_SEGMENTS}"
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cached="${(qq)output} ${(qq)backgroundColor} ${(qq)visual_identifier}"
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p9k_cache_set $cache_key $cached
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_P9K_CACHE_VALUE="${(qq)output} ${(qq)backgroundColor} ${(qq)visual_identifier}"
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p9k_cache_set $cache_key $_P9K_CACHE_VALUE
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fi
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# output backgroundColor visual_identifier
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local tuple=("${(@Q)${(z)cached}}")
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local tuple=("${(@Q)${(z)_P9K_CACHE_VALUE}}")
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echo -n $tuple[1]
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CURRENT_RIGHT_BG=$tuple[2]
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@ -419,17 +423,17 @@ prompt_background_jobs() {
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local num_jobs=$#job_lines
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local cache_key="$0 $num_jobs"
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local cached
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if ! cached=$(p9k_cache_get $cache_key); then
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cached=""
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if ! p9k_cache_get $cache_key; then
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if [[ "$POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE" == "true" ]] && ([[ "$num_jobs" -gt 1 ]] || [[ "$POWERLEVEL9K_BACKGROUND_JOBS_VERBOSE_ALWAYS" == "true" ]]); then
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cached=$num_jobs
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_P9K_CACHE_VALUE=$num_jobs
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else
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_P9K_CACHE_VALUE=''
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fi
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p9k_cache_set $cache_key $cached
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p9k_cache_set $cache_key $_P9K_CACHE_VALUE
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fi
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"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR" "cyan" "$cached" 'BACKGROUND_JOBS_ICON'
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"$1_prompt_segment" "$0" "$2" "$DEFAULT_COLOR" "cyan" "$_P9K_CACHE_VALUE" 'BACKGROUND_JOBS_ICON'
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}
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################################################################
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@ -881,8 +885,7 @@ prompt_dir() {
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# using $PWD instead of "$(print -P '%~')" to allow use of POWERLEVEL9K_DIR_PATH_ABSOLUTE
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local current_path=$PWD # WAS: local current_path="$(print -P '%~')"
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local cache_key="$0 $2 ${(q)current_path}"
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local cached
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if ! cached=$(p9k_cache_get $cache_key); then
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if ! p9k_cache_get $cache_key; then
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# check if the user wants to use absolute paths or "~" paths
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[[ ${(L)POWERLEVEL9K_DIR_PATH_ABSOLUTE} != "true" ]] && current_path=${current_path/#$HOME/"~"}
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# declare all local variables
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@ -1123,11 +1126,11 @@ prompt_dir() {
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current_path=${current_path:s/~/$POWERLEVEL9K_HOME_FOLDER_ABBREVIATION}
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fi
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cached="$0_$current_state ${(qq)2} blue ${(qq)DEFAULT_COLOR} ${(qq)current_path} ${(qq)dir_states[$current_state]}"
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p9k_cache_set $cache_key $cached
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_P9K_CACHE_VALUE="$0_$current_state ${(qq)2} blue ${(qq)DEFAULT_COLOR} ${(qq)current_path} ${(qq)dir_states[$current_state]}"
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p9k_cache_set $cache_key $_P9K_CACHE_VALUE
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fi
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"$1_prompt_segment" "${(@Q)${(z)cached}}"
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"$1_prompt_segment" "${(@Q)${(z)_P9K_CACHE_VALUE}}"
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}
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################################################################
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@ -1499,8 +1502,7 @@ exit_code_or_status() {
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prompt_status() {
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local cache_key="$0 $2 $RETVAL $RETVALS"
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local cached
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if ! cached=$(p9k_cache_get $cache_key); then
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if ! p9k_cache_get $cache_key; then
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local ec_text
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local ec_sum
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local ec
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@ -1527,18 +1529,18 @@ prompt_status() {
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if (( ec_sum > 0 )); then
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if [[ "$POWERLEVEL9K_STATUS_CROSS" == false && "$POWERLEVEL9K_STATUS_VERBOSE" == true ]]; then
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cached="$0_ERROR ${(qq)2} red yellow1 ${(qq)ec_text} CARRIAGE_RETURN_ICON"
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_P9K_CACHE_VALUE="$0_ERROR ${(qq)2} red yellow1 ${(qq)ec_text} CARRIAGE_RETURN_ICON"
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else
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cached="$0_ERROR ${(qq)2} ${(qq)DEFAULT_COLOR} red '' FAIL_ICON"
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_P9K_CACHE_VALUE="$0_ERROR ${(qq)2} ${(qq)DEFAULT_COLOR} red '' FAIL_ICON"
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fi
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elif [[ "$POWERLEVEL9K_STATUS_OK" == true ]] && [[ "$POWERLEVEL9K_STATUS_VERBOSE" == true || "$POWERLEVEL9K_STATUS_OK_IN_NON_VERBOSE" == true ]]; then
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cached="$0_OK ${(qq)2} ${(qq)DEFAULT_COLOR} green '' OK_ICON"
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_P9K_CACHE_VALUE="$0_OK ${(qq)2} ${(qq)DEFAULT_COLOR} green '' OK_ICON"
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fi
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if (( $#RETVALS < 3 )); then
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p9k_cache_set $cache_key $cached
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p9k_cache_set $cache_key $_P9K_CACHE_VALUE
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fi
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fi
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"$1_prompt_segment" "${(@Q)${(z)cached}}"
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"$1_prompt_segment" "${(@Q)${(z)_P9K_CACHE_VALUE}}"
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}
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################################################################
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@ -1916,6 +1918,14 @@ powerlevel9k_preexec() {
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_P9K_TIMER_START=$EPOCHREALTIME
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}
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if [[ $POWERLEVEL9K_USE_CACHE == true ]]; then
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_P9K_MULTILINE_FIRST_PROMPT_PREFIX=$(print_icon MULTILINE_FIRST_PROMPT_PREFIX)
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_P9K_MULTILINE_LAST_PROMPT_PREFIX=$(print_icon MULTILINE_LAST_PROMPT_PREFIX)
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else
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_P9K_MULTILINE_FIRST_PROMPT_PREFIX='$(print_icon MULTILINE_FIRST_PROMPT_PREFIX)'
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_P9K_MULTILINE_LAST_PROMPT_PREFIX='$(print_icon MULTILINE_LAST_PROMPT_PREFIX)'
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fi
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set_default POWERLEVEL9K_PROMPT_ADD_NEWLINE false
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powerlevel9k_prepare_prompts() {
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# Return values. These need to be global, because
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@ -1933,17 +1943,18 @@ powerlevel9k_prepare_prompts() {
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# Reset start time
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_P9K_TIMER_START=0x7FFFFFFF
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if [[ -s $P9K_CACHE_CHANNEL ]]; then
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eval $(<$P9K_CACHE_CHANNEL)
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rm -f $P9K_CACHE_CHANNEL
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if [[ -n $POWERLEVEL9K_MAX_CACHE_SIZE && $#p9k_cache_data -gt $POWERLEVEL9K_MAX_CACHE_SIZE ]]; then
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p9k_cache_data=()
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if [[ -s $_P9K_CACHE_CHANNEL ]]; then
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eval $(<$_P9K_CACHE_CHANNEL)
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rm -f $_P9K_CACHE_CHANNEL
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if [[ -n $POWERLEVEL9K_MAX_CACHE_SIZE && $#_p9k_cache_data -gt $POWERLEVEL9K_MAX_CACHE_SIZE ]]; then
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_p9k_cache_data=()
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fi
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fi
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local NEWLINE=$'\n'
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if [[ "$POWERLEVEL9K_PROMPT_ON_NEWLINE" == true ]]; then
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PROMPT='$(print_icon 'MULTILINE_FIRST_PROMPT_PREFIX')%f%b%k$(build_left_prompt)
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$(print_icon 'MULTILINE_LAST_PROMPT_PREFIX')'
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PROMPT="$_P9K_MULTILINE_FIRST_PROMPT_PREFIX%f%b%k\$(build_left_prompt)$NEWLINE$_P9K_MULTILINE_LAST_PROMPT_PREFIX"
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if [[ "$POWERLEVEL9K_RPROMPT_ON_NEWLINE" != true ]]; then
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# The right prompt should be on the same line as the first line of the left
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# prompt. To do so, there is just a quite ugly workaround: Before zsh draws
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@ -1967,9 +1978,6 @@ $(print_icon 'MULTILINE_LAST_PROMPT_PREFIX')'
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RPROMPT="${RPROMPT_PREFIX}"'%f%b%k$(build_right_prompt)%{$reset_color%}'"${RPROMPT_SUFFIX}"
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fi
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local NEWLINE='
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'
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if [[ $POWERLEVEL9K_PROMPT_ADD_NEWLINE == true ]]; then
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NEWLINES=""
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repeat ${POWERLEVEL9K_PROMPT_ADD_NEWLINE_COUNT:-1} { NEWLINES+=$NEWLINE }
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