feat(nsc): add completion plugin

plugins/extract/extract.plugin.zsh

@@ -30,12 +30,15 @@ EOF
     local extract_dir="${1:t:r}"
     local file="$1" full_path="${1:A}"
     case "${file:l}" in
-      (*.tar.gz|*.tgz) (( $+commands[pigz] )) && { pigz -dc "$file" | tar xv } || tar zxvf "$file" ;;
-      (*.tar.bz2|*.tbz|*.tbz2) tar xvjf "$file" ;;
+      (*.tar.gz|*.tgz)
+        (( $+commands[pigz] )) && { tar -I pigz -xvf "$file" } || tar zxvf "$file" ;;
+      (*.tar.bz2|*.tbz|*.tbz2)
+        (( $+commands[pbzip2] )) && { tar -I pbzip2 -xvf "$file" } || tar xvjf "$file" ;;
       (*.tar.xz|*.txz)
+        (( $+commands[pixz] )) && { tar -I pixz -xvf "$file" } || {
         tar --xz --help &> /dev/null \
         && tar --xz -xvf "$file" \
-        || xzcat "$file" | tar xvf - ;;
+        || xzcat "$file" | tar xvf - } ;;
       (*.tar.zma|*.tlz)
         tar --lzma --help &> /dev/null \
         && tar --lzma -xvf "$file" \

plugins/nsc/README.md

@@ -0,0 +1,11 @@
+# NSC plugin
+
+This plugin adds completion for the [NSC](https://github.com/nats-io/nsc).
+
+To use it, add `nsc` to the plugins array in your zshrc file:
+
+```zsh
+plugins=(... nsc)
+```
+
+This plugin does not add any aliases.

plugins/nsc/nsc.plugin.zsh

@@ -0,0 +1,13 @@
+if (( ! $+commands[nsc] )); then
+  return
+fi
+
+# If the completion file doesn't exist yet, we need to autoload it and
+# bind it to `nsc`. Otherwise, compinit will have already done that.
+if [[ ! -f "$ZSH_CACHE_DIR/completions/_nsc" ]]; then
+  typeset -g -A _comps
+  autoload -Uz _nsc
+  _comps[nsc]=_nsc
+fi
+
+nsc completion zsh >| "$ZSH_CACHE_DIR/completions/_nsc" &|