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Cache brew shellenv results

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This could sometimes be slow (as with any external command execution)
but the result should almost never change.
This commit is contained in:
Yutian Li 2024-04-05 19:21:15 -04:00 committed by Indrajit Raychaudhuri
parent a79c3b4943
commit 005709d120
1 changed files with 14 additions and 1 deletions
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15
modules/homebrew/init.zsh
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@ -21,7 +21,20 @@ fi
# Load 'HOMEBREW_' prefixed variables only. Avoid loading 'PATH' related
# variables as they are already handled in standard zsh configuration.
if (( $+commands[brew] )); then
eval "${(@M)${(f)"$(brew shellenv 2> /dev/null)"}:#export HOMEBREW*}"
cache_file="${XDG_CACHE_HOME:-$HOME/.cache}/prezto/brew-shellenv-cache.zsh"
if [[ "${commands[brew]}" -nt "$cache_file" \
|| "${ZDOTDIR:-$HOME}/.zpreztorc" -nt "$cache_file" \
|| ( ! -n ${cache_file}(#qNmw-1) ) ]]; then
# Rebuild cache if either
# 1. brew is newer than the cache file
# 2. .zpreztorc is newer than the cache file
# 3. cache file doesn't exist
# 4. cache file is older than a week
mkdir -p "${cache_file:h}"
echo "${(@M)${(f)"$(brew shellenv 2> /dev/null)"}:#export HOMEBREW*}" >! "${cache_file}"
fi
source "${cache_file}"
unset cache_file
fi
#