plugin.complete

#!/usr/bin/env bash

# This script generates chart names for autocompletion

# Helm passes the current word as the first argument
CURR_WORD="$1"

get_repo_charts() {
  # helm search repo lists charts from configured repositories

  if [ -d "$HOME/.cache" ]; then
    CACHE_DIR="$HOME/.cache/helm-defaults"
  else
    CACHE_DIR="/tmp/helm-defaults-$USER"
  fi

  CACHE_FILE="$CACHE_DIR/repo-charts.cache"
  CACHE_AGE_MINUTES=10

  mkdir -p "$CACHE_DIR" 2>/dev/null

  if [ -f "$CACHE_FILE" ]; then
    if [ "$(find "$CACHE_FILE" -mmin -$CACHE_AGE_MINUTES 2>/dev/null)" ]; then
      # Cache is fresh, use it
      cat "$CACHE_FILE"
      return 0
    fi
  fi

  helm search repo --devel --output yaml 2>/dev/null | yq e '.[].name' - > "$CACHE_FILE" 2>/dev/null

  cat "$CACHE_FILE" 2>/dev/null
}

get_local_charts() {
  echo "./"
  echo "."

  find . -name Chart.yaml -type f -maxdepth 3 2>/dev/null | sed 's|/Chart.yaml$||' | sed 's|^./||'
}

# Combine repo and local charts, then filter and sort unique
(get_repo_charts; get_local_charts) | sort -u

exit 0