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ilb/git.zsh: Optimize git_prompt_status()

Browse source 
Avoid looking for dirty submodules when git >= 1.7.2 using
the --ignore-submodules=dirty option.

Avoid looking at untracked files and other types of files when
the theme does not display them.

This dramatically speeds up performance.
This commit is contained in:
David Aguilar 2012-04-07 19:22:19 -07:00
commit b36d02c2a3
1 changed files with 76 additions and 32 deletions
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108
lib/git.zsh
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@ -15,7 +15,7 @@ parse_git_dirty() {
local SUBMODULE_SYNTAX=''
local GIT_STATUS=''
local CLEAN_MESSAGE='nothing to commit (working directory clean)'
if [[ "$(git config --get oh-my-zsh.hide-status)" != "1" ]]; then
if [[ $POST_1_7_2_GIT -gt 0 ]]; then
SUBMODULE_SYNTAX="--ignore-submodules=dirty"
@ -74,48 +74,92 @@ function git_prompt_long_sha() {
# Get the status of the working tree
git_prompt_status() {
INDEX=$(git status --porcelain -b 2> /dev/null)
local NO_DIRTY_SUBMODULES=''
local NO_UNTRACKED=''
if [[ $POST_1_7_2_GIT -gt 0 ]]; then
NO_DIRTY_SUBMODULES="--ignore-submodules=dirty"
fi
if [[ -z "$ZSH_THEME_GIT_PROMPT_UNTRACKED" ]]; then
NO_UNTRACKED="--untracked-files=no"
fi
# This could use --porcelain but git does not print
# the branch ahead/behind information when --porcelain is used.
INDEX=$(git status -s -b ${NO_DIRTY_SUBMODULES} ${NO_UNTRACKED} 2>/dev/null)
STATUS=""
if $(echo "$INDEX" | grep -E '^\?\? ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_UNTRACKED" ]]; then
if echo "$INDEX" | grep -E '^\?\? ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^A ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
elif $(echo "$INDEX" | grep '^M ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_ADDED" ]]; then
if echo "$INDEX" | grep '^A ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
elif echo "$INDEX" | grep '^M ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^ M ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
elif $(echo "$INDEX" | grep '^AM ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
elif $(echo "$INDEX" | grep '^ T ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_MODIFIED" ]]; then
if echo "$INDEX" | grep '^ M ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
elif echo "$INDEX" | grep '^AM ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
elif echo "$INDEX" | grep '^ T ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^R ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_RENAMED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_RENAMED" ]]; then
if echo "$INDEX" | grep '^R ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_RENAMED$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^ D ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
elif $(echo "$INDEX" | grep '^D ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
elif $(echo "$INDEX" | grep '^AD ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_DELETED" ]]; then
if echo "$INDEX" | grep '^ D ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
elif echo "$INDEX" | grep '^D ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
elif echo "$INDEX" | grep '^AD ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
fi
fi
if $(git rev-parse --verify refs/stash >/dev/null 2>&1); then
STATUS="$ZSH_THEME_GIT_PROMPT_STASHED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_STASHED" ]]; then
if git rev-parse --verify refs/stash &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_STASHED$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^UU ' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_UNMERGED" ]]; then
if echo "$INDEX" | grep '^UU ' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^## .*ahead' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_AHEAD$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_AHEAD" ]]; then
if echo "$INDEX" | grep '^## .*ahead' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_AHEAD$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^## .*behind' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_BEHIND$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_BEHIND" ]]; then
if echo "$INDEX" | grep '^## .*behind' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_BEHIND$STATUS"
fi
fi
if $(echo "$INDEX" | grep '^## .*diverged' &> /dev/null); then
STATUS="$ZSH_THEME_GIT_PROMPT_DIVERGED$STATUS"
if [[ -n "$ZSH_THEME_GIT_PROMPT_DIVERGED" ]]; then
if echo "$INDEX" | grep '^## .*diverged' &> /dev/null; then
STATUS="$ZSH_THEME_GIT_PROMPT_DIVERGED$STATUS"
fi
fi
echo $STATUS
}