make most of the aliases conditional, to prevent a bunch of error messages whenever loading zsh on new servers

.zshc/aliases.zsh

@@ -1,6 +1,13 @@
+if [[ $+commands[pay-respects] ]]; then
   alias f="$(pay-respects zsh)"
+fi
+
+if [[ $+commands[navi] ]]; then
+  eval "$(navi widget zsh)"
   alias wtf="navi"
   alias help="navi"
+fi
+
 alias rzsh="source ~/.zshrc && echo 'Successfully reloaded zsh!'"
 alias aliases="${EDITOR} $ZSH_CUSTOM/aliases.zsh && rzsh"
 alias zshrc="${EDITOR} ~/.zshrc && rzsh"
@@ -10,29 +17,79 @@ alias ohmyzsh="${EDITOR} ~/.oh-my-zsh && rzsh"
 alias vi="${EDITOR}"
 alias vim="${EDITOR}"
 alias nano="${EDITOR}"
+
+if [[ $+commands[fastfetch] ]]; then
   alias neofetch="fastfetch"
   alias nf="fastfetch"
   alias ff="fastfetch"
+fi
+
+if [[ $+commands[uwufetch] ]]; then
   alias uf="uwufetch"
-alias aur="yay"
+fi
+
+if [[ $+commands[pacman] ]]; then
   # this lists packages installed with pacman by size in mebibytes
   alias pacsize="pacman -Qi | egrep '^(Name|Installed)' | cut -f2 -d':' | paste - - | column -t | sort -nrk 2 | grep MiB | less"
+fi
+
+if [[ $+commands[yay] ]]; then
+  alias aur="yay"
+  alias yaystats="yay -P --stats"
+  alias pacstats="yaystats"
+fi
+
+if [[ $+commands[lazygit] ]]; then
   alias lg="lazygit"
+fi
+if [[ $+commands[lazydocker] ]]; then
  alias lad="lazydocker"
+fi
+if [[ $+commands[btop] ]]; then
   alias htop="btop"
+fi
+
+
 if [[ "${XDG_SESSION_TYPE}" == "x11" ]]; then
+  if [[ $+commands[xsel] ]]; then
     alias clip="xsel -ib"
+  elif [[ $+commands[xclip] ]]; then
+    alias clip="xclip"
+  else
+    alias clip="Detected x11, but xsel or xclip are not installed."
+  fi
+
 elif [[ -n "${WAYLAND_DISPLAY}" ]]; then
+  if [[ $+commands[wl-copy] ]]; then
     alias clip="wl-copy"
+  else
+    alias clip="Detected Wayland, but wl-copy is not installed."
+  fi
+
+elif [[ -n "${SSH_CONNECTION}" ]]; then
+  if [[ $+commands[lemonade] ]]; then
+    alias clip="lemonade copy"
+  else
+    alias clip="Detected an SSH connection, but lemonade is not installed."
+  fi
+
 else
   alias clip='echo "Cannot determine desktop session type, are you running a display server that is not X11 or Wayland?"'
 fi
+
+
+if [[ $+commands[nvidia-smi] ]]; then
   alias driver="nvidia-smi"
+fi
+if [[ $+commands[nvidia-settings] ]]; then
   alias gpu="sudo nvidia-settings"
-alias yaystats="yay -P --stats"
+fi
-alias pacstats="yaystats"
+if [[ $+commands[forgejo-runner] ]]; then
+alias runactions="forgejo-runner exec --network=host --default-actions-url=https://www.coastalcommits.com --gitea-instance=https://www.coastalcommits.com"
+fi
+if [[ $+commands[tailscale] ]]; then
   alias taildrop="tailscale file"
+fi
 alias protontricks="flatpak run com.github.Matoking.protontricks"
 alias sober="flatpak run org.vinegarhq.Sober"
-alias runactions="forgejo-runner exec --network=host --default-actions-url=https://www.coastalcommits.com --gitea-instance=https://www.coastalcommits.com"
 alias sudo="sudo "

.zshrc

@@ -106,4 +106,3 @@ fi
 # Compilation flags
 # export ARCHFLAGS="-arch x86_64"
 
-eval "$(navi widget zsh)"