remote.inc.sh


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declare -A refcache=()

remote_get_all_refs() {
  local remote=$1

  if [[ -z ${refcache["$remote"]+cached} ]]; then
    refcache["$remote"]=$(git ls-remote "$remote" 'refs/heads/packages/*' |
        awk '{ sub(/refs\/heads\//, "", $2); print $2 }')
  fi

  mapfile -t "$2" <<<"${refcache["$remote"]}"
}

remote_has_package() {
  local remote=$1 pkgname=$2 refs

  remote_get_all_refs "$remote" refs

  in_array "packages/$pkgname" "${refs[@]}"
}

remote_is_tracking() {
  local repo=$1 pkgname=$2

  git show-ref -q "$repo/packages/$pkgname"
}

remote_get_tracked_refs() {
  local remote=$1

  mapfile -t "$2" < <(git branch --remote 2>/dev/null |
      awk -F'( +|/)' -v "remote=$1" \
        '$2 == remote && $3 == "packages" { print "packages/" $4 }')
}

remote_update_refs() {
  local remote=$1 refspecs=("${@:2}")

  git fetch "$remote" "${refspecs[@]}"
}

remote_update() {
  local remote=$1 refspecs

  remote_get_tracked_refs "$remote" refspecs

  # refuse to update everything
  # TODO: allow this with a flag
  [[ -z $refspecs ]] && return 0

  remote_update_refs "$remote" "${refspecs[@]}"
}

remote_get_url() {
  local remote=$1

  git ls-remote --get-url "$remote"
}

remote_untrack() {
  local remote=$1 pkgname=$2

  git branch -dr "$remote/packages/$pkgname"
}