[hg] Cache the result of the in_hg
call within hg_prompt_info
helpers
The helper functions are smart only work if the user is in an hg repository. Unfortunately checking that fact can take a while for large repos, so these redundant checks are taking a while. This diff stores the result of the first call from `hg_prompt_info` in a local variable and just checks that for every other function. This gave me a multi-second speedup locally.
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@ -26,22 +26,24 @@ function in_hg() {
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}
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function hg_get_branch_name() {
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if [ $(in_hg) ]; then
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if [ $_INHG ]; then
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echo $(hg branch)
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fi
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}
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function hg_prompt_info {
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if [ $(in_hg) ]; then
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_INHG=$(in_hg)
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if [ $_INHG ]; then
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_DISPLAY=$(hg_get_branch_name)
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echo "$ZSH_PROMPT_BASE_COLOR$ZSH_THEME_HG_PROMPT_PREFIX\
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$ZSH_THEME_REPO_NAME_COLOR$_DISPLAY$ZSH_PROMPT_BASE_COLOR$ZSH_PROMPT_BASE_COLOR$(hg_dirty)$ZSH_THEME_HG_PROMPT_SUFFIX$ZSH_PROMPT_BASE_COLOR"
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unset _DISPLAY
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fi
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unset _INHG
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}
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function hg_dirty_choose {
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if [ $(in_hg) ]; then
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if [ $_INHG ]; then
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# Allow turning off the 'hg status' call. Useful in large repos where that
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# can take a while. Mirror the functionality of the git plugin by just
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# showing the "clean" prompt in this case.
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