zsh: convert to non-lazy snippet

Author: rsteube

cmd/carapace/cmd/lazyinit/zsh.go

@@ -6,12 +6,43 @@ import (
 )
 
 func Zsh(completers []string) string {
-	snippet := `%v%v
+	for i, completer := range completers {
+		completers[i] = fmt.Sprintf("%q", completer)
+	}
+	return fmt.Sprintf(`%v%v
 
-function _carapace_lazy {
-    source <(carapace $words[1] zsh)
+function _carapace_completer {
+  local command="$words[1]"
+  local words=${words[@]:0:$CURRENT}
+  local IFS=$'\n'
+
+  # shellcheck disable=SC2086,SC2154,SC2155
+  if echo ${words}"''" | xargs echo 2>/dev/null > /dev/null; then
+    local lines="$(echo ${words}"''" | CARAPACE_COMPLINE="${words}" CARAPACE_ZSH_HASH_DIRS="$(hash -d)" xargs carapace "$command" zsh )"
+  elif echo ${words} | sed "s/\$/'/" | xargs echo 2>/dev/null > /dev/null; then
+    local lines="$(echo ${words} | sed "s/\$/'/" | CARAPACE_COMPLINE="${words}" CARAPACE_ZSH_HASH_DIRS="$(hash -d)" xargs carapace "$command" zsh)"
+  else
+    local lines="$(echo ${words} | sed 's/$/"/' | CARAPACE_COMPLINE="${words}" CARAPACE_ZSH_HASH_DIRS="$(hash -d)" xargs carapace "$command" zsh)"
+  fi
+
+  local zstyle message data
+  IFS=$'\001' read -r -d '' zstyle message data <<<"${lines}"
+  # shellcheck disable=SC2154
+  zstyle ":completion:${curcontext}:*" list-colors "${zstyle}"
+  zstyle ":completion:${curcontext}:*" group-name ''
+  [ -z "$message" ] || _message -r "${message}"
+ 
+  local block tag displays values displaysArr valuesArr
+  while IFS=$'\002' read -r -d $'\002' block; do
+    IFS=$'\003' read -r -d '' tag displays values <<<"${block}"
+    # shellcheck disable=SC2034
+    IFS=$'\n' read -r -d $'\004' -A displaysArr <<<"${displays}"$'\004'
+    IFS=$'\n' read -r -d $'\004' -A valuesArr <<<"${values}"$'\004'
+
+    [[ ${#valuesArr[@]} -gt 1 ]] && _describe -t "${tag}" "${tag}" displaysArr valuesArr -Q -S ''
+  done <<<"${data}"
 }
-compdef _carapace_lazy %v
-`
-	return fmt.Sprintf(snippet, pathSnippet("zsh"), envSnippet("zsh"), strings.Join(completers, " "))
+
+compdef _carapace_completer %v
+`, pathSnippet("zsh"), envSnippet("zsh"), strings.Join(completers, " "))
 }