fix

post-install-cachyos.sh

@@ -645,55 +645,58 @@ configure_zsh_ohmyzsh_powerlevel10k() {
     log "Oh My Zsh is already installed."
   fi
 
-  zsh_custom="${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}"
+  zsh_custom="$HOME/.oh-my-zsh/custom"
   p10k_dir="$zsh_custom/themes/powerlevel10k"
 
+  mkdir -p "$zsh_custom/themes"
+
   if [[ -d "$p10k_dir/.git" ]]; then
     log "Powerlevel10k already exists. Updating..."
     git -C "$p10k_dir" pull --ff-only || warn "Could not update Powerlevel10k. Continuing with existing copy."
   else
-    log "Installing Powerlevel10k..."
+    log "Installing Powerlevel10k into $p10k_dir..."
+    rm -rf "$p10k_dir"
     git clone --depth=1 https://github.com/romkatv/powerlevel10k.git "$p10k_dir"
   fi
 
-  if [[ -f "$HOME/.zshrc" ]] && ! grep -q "powerlevel10k/powerlevel10k" "$HOME/.zshrc"; then
-    cp "$HOME/.zshrc" "$HOME/.zshrc.backup.$(date +%Y%m%d%H%M%S)"
+  if [[ ! -f "$p10k_dir/powerlevel10k.zsh-theme" ]]; then
+    warn "Powerlevel10k theme file was not found after installation: $p10k_dir/powerlevel10k.zsh-theme"
+    return
   fi
 
   if [[ -f "$HOME/.zshrc" ]]; then
-    tmp_zshrc="$(mktemp)"
-    grep -v "POWERLEVEL9K_INSTANT_PROMPT" "$HOME/.zshrc" > "$tmp_zshrc" || true
-    {
-      echo "typeset -g POWERLEVEL9K_INSTANT_PROMPT=off"
-      cat "$tmp_zshrc"
-    } > "$HOME/.zshrc"
-    rm -f "$tmp_zshrc"
+    cp "$HOME/.zshrc" "$HOME/.zshrc.backup.$(date +%Y%m%d%H%M%S)"
   fi
 
-  if [[ ! -f "$HOME/.zshrc" ]]; then
-    cat > "$HOME/.zshrc" <<ZSHRC
-export ZSH="\$HOME/.oh-my-zsh"
-ZSH_THEME="powerlevel10k/powerlevel10k"
-plugins=(git sudo)
-source "\$ZSH/oh-my-zsh.sh"
+  # Keep the zshrc deterministic. This avoids Oh My Zsh loading before ZSH_CUSTOM
+  # is defined, which causes: theme 'powerlevel10k/powerlevel10k' not found.
+  cat > "$HOME/.zshrc" <<'ZSHRC'
+# Disable Powerlevel10k instant prompt because this setup intentionally prints
+# Fastfetch system information at terminal startup.
+typeset -g POWERLEVEL9K_INSTANT_PROMPT=off
 
+export ZSH="$HOME/.oh-my-zsh"
+ZSH_CUSTOM="$ZSH/custom"
+ZSH_THEME="powerlevel10k/powerlevel10k"
+
+plugins=(
+  git
+  sudo
+)
+
+source "$ZSH/oh-my-zsh.sh"
+
+# Jose fastfetch terminal summary
+# Disable with: export DISABLE_FASTFETCH=1
+if [[ -o interactive ]] && [[ -z "${DISABLE_FASTFETCH:-}" ]] && [[ -z "${FASTFETCH_SHOWN:-}" ]] && command -v fastfetch >/dev/null 2>&1; then
+  export FASTFETCH_SHOWN=1
+  fastfetch
+  echo
+fi
+
+# Powerlevel10k user config.
 [[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh
 ZSHRC
-  else
-    if grep -q "^ZSH_THEME=" "$HOME/.zshrc"; then
-      sed -i "s|^ZSH_THEME=.*|ZSH_THEME=\"powerlevel10k/powerlevel10k\"|" "$HOME/.zshrc"
-    else
-      printf "\nZSH_THEME=\"powerlevel10k/powerlevel10k\"\n" >> "$HOME/.zshrc"
-    fi
-
-    if ! grep -q "oh-my-zsh.sh" "$HOME/.zshrc"; then
-      printf "\nexport ZSH=\"\$HOME/.oh-my-zsh\"\nsource \"\$ZSH/oh-my-zsh.sh\"\n" >> "$HOME/.zshrc"
-    fi
-
-    if ! grep -q ".p10k.zsh" "$HOME/.zshrc"; then
-      printf "\n[[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh\n" >> "$HOME/.zshrc"
-    fi
-  fi
 
   current_shell="$(getent passwd "$USER" | cut -d: -f7 || true)"
   zsh_path="$(command -v zsh)"
@@ -706,10 +709,9 @@ ZSHRC
   fi
 
   log "Zsh + Oh My Zsh + Powerlevel10k configured."
-  warn "Open Ghostty after reboot/login. Powerlevel10k will start its configuration wizard the first time."
+  warn "Open Ghostty after reboot/login. Run 'p10k configure' if you want to customize the prompt."
 }
 
-
 configure_wireguard_gui_webkit_workaround() {
   log "Configuring WireGuard GUI WebKit renderer workaround..."