Created
January 13, 2026 10:54
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Auto switch version on command line based on env files #php #js #python
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| find_up() { | |
| local file="$1" | |
| local dir="$PWD" | |
| while [[ "$dir" != "/" ]]; do | |
| if [[ -f "$dir/$file" ]]; then | |
| echo "$dir/$file" | |
| return 0 | |
| fi | |
| dir="$(dirname "$dir")" | |
| done | |
| [[ -f "/$file" ]] && echo "/$file" && return 0 | |
| return 1 | |
| } | |
| auto_switch() { | |
| if [[ $PWD == $PREV_PWD ]]; then | |
| return | |
| fi | |
| PREV_PWD=$PWD | |
| local nvmrc=$(find_up ".nvmrc") | |
| local phprc=$(find_up ".phprc") | |
| local envrc=$(find_up ".envrc") | |
| [[ -n "$nvmrc" ]] && nvm use --silent && echo "switch to node $(cat "$nvmrc") (from $nvmrc)" | |
| [[ -n "$phprc" ]] && sudo update-alternatives --set php /usr/bin/php$(cat "$phprc") && echo "switch to php $(cat "$phprc") (from $phprc)" | |
| [[ -n "$envrc" ]] && source "$(cat "$envrc")/bin/activate" && echo "switch to python $(cat "$envrc") (from $envrc)" | |
| } | |
| export PROMPT_COMMAND=auto_switch |
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