dotfiles/bin/generate-gitignore
2021-01-14 01:10:01 +08:00

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#!/usr/bin/env bash
# A quick command line interface for creating a gitignore with the API from https://gitignore.io.
# This script comes with a simple caching to avoid creating too much requests.
# Dependencies:
# * bash
# * curl
# * fzf
# * paste
# * xargs
set -eo pipefail
CACHE_FILE="${XDG_CACHE_DIR:-$HOME/.cache}/gitignore-io.langs.json"
# Check if the language list is downloaded for the last hour (3600 seconds).
if [ ! -e $CACHE_FILE ] || test $(expr $(date "+%s") - $(date -r $CACHE_FILE "+%s")) -gt 3600
then
curl --silent --location --output $CACHE_FILE "https://gitignore.io/api/list?format=json"
fi
KEYS=$(jq 'keys | .[] | @text' --raw-output $CACHE_FILE | fzf --multi | while read lang; do echo " .[\"$lang\"].contents"; done | paste -s -d ',')
jq "$KEYS" --raw-output $CACHE_FILE