fix(fzf): fix check for true Debian-like in debian setup function (#11460)

Check for `apt` and `apt-get` in debian setup function.
Look for exact directory in debian-like setup function.

Fixes #11459

plugins/fzf/README.md

@@ -50,12 +50,3 @@ Set whether to disable key bindings (CTRL-T, CTRL-R, ALT-C):
 ```zsh
 DISABLE_FZF_KEY_BINDINGS="true"
 ```
-
-### Skip `dpkg` loading
-
-If you have `dpkg` available in your `$PATH` but you don't want to load `fzf` from there, and facing some
-issues, you can define this option before loading `oh-my-zsh` in order to skip that loading:
-
-```zsh
-zstyle ':omz:plugins:fzf' skip-dpkg yes
-```

plugins/fzf/fzf.plugin.zsh

@@ -60,7 +60,7 @@ function fzf_setup_using_base_dir() {
 
 
 function fzf_setup_using_debian() {
-  if (( ! $+commands[dpkg] )) || zstyle -t ':omz:plugins:fzf' skip-dpkg; then
+  if (( ! $+commands[apt] && ! $+commands[apt-get] )); then
     # Not a debian based distro 
     return 1
   fi
@@ -81,7 +81,7 @@ function fzf_setup_using_debian() {
       key_bindings="${PREFIX}/share/fzf/key-bindings.zsh"
       ;;
     *)
-      if [[ ! -f /usr/bin/fzf ]]; then
+      if [[ ! -d /usr/share/doc/fzf/examples ]]; then
         # fzf not installed
         return 1
       fi