andrejus/dotfiles
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profile: invalidate PATH cache when base PATH changes

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Store the base PATH alongside the cached result so the cache is
only used when the pre-modification PATH still matches.  This
prevents stale entries when the shell inherits a different base
PATH (e.g. inside tmux or after system updates).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
Andrejus
2026-02-24 16:10:12 +00:00
parent 6fd897b8b5
commit 7d2825f9d1
2 changed files with 12 additions and 8 deletions
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18
home/.profile
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@@ -15,16 +15,20 @@ export PAGER=less
export HOMEBREW_NO_ANALYTICS=1
export HOMEBREW_NO_ENV_HINTS=1
# PATH setup with caching
# PATH setup with caching (invalidates when base PATH or .profile changes)
_dots_path_cache="${XDG_CACHE_HOME:-$HOME/.cache}/dots/path"
_dots_path_hit=false
if [[ -f "$_dots_path_cache" && "$_dots_path_cache" -nt ~/.profile ]]; then
export PATH="$(cat "$_dots_path_cache")"
else
{ IFS= read -r _k; IFS= read -r _v; } < "$_dots_path_cache"
[[ "$_k" == "$PATH" ]] && { export PATH="$_v"; _dots_path_hit=true; }
unset _k _v
fi
if [[ "$_dots_path_hit" != true ]]; then
_dots_base_path="$PATH"
[[ ":$PATH:" != *":$HOME/.local/bin:"* ]] && export PATH="$HOME/.local/bin:$PATH"
[[ -x "/opt/homebrew/bin/brew" && ":$PATH:" != *":/opt/homebrew/bin:"* ]] && export PATH="/opt/homebrew/bin:/opt/homebrew/sbin:$PATH"
# Cache the result
mkdir -p "$(dirname "$_dots_path_cache")"
echo "$PATH" > "$_dots_path_cache"
printf '%s\n%s\n' "$_dots_base_path" "$PATH" > "$_dots_path_cache"
unset _dots_base_path
fi
unset _dots_path_cache
unset _dots_path_cache _dots_path_hit