Amended

fish_installer.sh

@@ -1,35 +1,14 @@
 #!/bin/bash
 set -euo pipefail
 
-# -- utils ---------------------------------------------------------
+# -------- Platform detection --------
-prompt_yn() {
-  # usage: prompt_yn "Question (y/N): " N
-  local prompt="${1:-Proceed (y/N): }"
-  local default="${2:-N}"
-  local ans=""
-  if [ -t 0 ] && [ -t 1 ]; then
-    # interactive: read from the TTY (not stdin)
-    read -r -p "$prompt" ans </dev/tty || true
-  else
-    # non-interactive (e.g., curl|bash): use default
-    echo "$prompt$default"
-    ans="$default"
-  fi
-  [[ ${ans:-$default} =~ ^[Yy]$ ]]
-}
-
-# -- platform detection --------------------------------------------
 detect_platform() {
   if [[ "$OSTYPE" == "darwin"* ]]; then
     OS="macos"; PKG_MGR="brew"
     if ! command -v brew &>/dev/null; then
-      if prompt_yn "Homebrew not found. Install it now? (y/N): " N; then
       /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
       echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
       eval "$(/opt/homebrew/bin/brew shellenv)"
-      else
-        echo "Homebrew is required to install Fish on macOS. Exiting."; exit 1
-      fi
     fi
   elif command -v apt &>/dev/null; then
     OS="debian"; PKG_MGR="apt"
@@ -44,7 +23,7 @@ detect_platform() {
   fi
 }
 
-# -- debian repo/key -----------------------------------------------
+# -------- Debian repo/key --------
 install_gpg_if_needed() {
   if [[ "${OS}" == "debian" ]] && ! command -v gpg &>/dev/null; then
     sudo apt update && sudo apt install -y gnupg
@@ -59,7 +38,7 @@ add_fish_repo_debian() {
   sudo apt update
 }
 
-# -- install/update fish -------------------------------------------
+# -------- Install/Update fish --------
 install_fish() {
   case "$OS" in
     debian) add_fish_repo_debian; sudo apt install -y fish ;;
@@ -69,49 +48,40 @@ install_fish() {
   esac
 }
 
-update_fish() {
+update_fish_if_available() {
   case "$PKG_MGR" in
     apt)
       sudo apt update
       if apt list --upgradable 2>/dev/null | grep -q "^fish/"; then
-        if prompt_yn "Fish update available. Update now? (y/N): " N; then
         sudo apt install -y fish
       fi
-      fi
       ;;
     dnf|yum)
       sudo "$PKG_MGR" check-update || true
       if "$PKG_MGR" list updates | grep -q "^fish"; then
-        if prompt_yn "Fish update available. Update now? (y/N): " N; then
         sudo "$PKG_MGR" update -y fish
       fi
-      fi
       ;;
     pacman)
       sudo pacman -Sy --noconfirm
       if pacman -Qu | grep -q "^fish"; then
-        if prompt_yn "Fish update available. Update now? (y/N): " N; then
         sudo pacman -S --noconfirm fish
       fi
-      fi
       ;;
     brew)
       brew update
       if brew outdated | grep -q "^fish"; then
-        if prompt_yn "Fish update available. Update now? (y/N): " N; then
         brew upgrade fish
       fi
-      fi
       ;;
   esac
 }
 
-# -- fisher & plugins ----------------------------------------------
+# -------- Fisher & plugins (stdin isolated) --------
 install_fisher() {
   curl -fsSL https://git.mycod.in/apt/fish_install/raw/branch/main/install_fisher.fish \
     -o /tmp/install_fisher.fish
   chmod +x /tmp/install_fisher.fish
-  # prevent fisher from reading our script via stdin
   fish /tmp/install_fisher.fish </dev/null
 }
 
@@ -119,27 +89,26 @@ install_fish_plugins() {
   curl -fsSL https://git.mycod.in/apt/fish_install/raw/branch/main/fish_plugins.fish \
     -o /tmp/fish_plugins.fish
   chmod +x /tmp/fish_plugins.fish
-  # QUIET mode: suppress noisy file listing. Remove redirection if you want verbosity.
+
+  if [[ "${FISH_VERBOSE:-0}" == "1" ]]; then
+    fish /tmp/fish_plugins.fish </dev/null
+  else
     fish /tmp/fish_plugins.fish </dev/null >/dev/null 2>&1
+  fi
 }
 
-# -- main -----------------------------------------------------------
+# -------- Main --------
 detect_platform
 install_gpg_if_needed
 
 if command -v fish &>/dev/null; then
-  echo "Fish shell is already installed."
+  update_fish_if_available
-  update_fish
 else
   install_fish
 fi
 
-if prompt_yn "Install Fisher plugin manager and recommended plugins? (y/N): " N; then
+# Always ensure Fisher and plugins are present (idempotent)
 install_fisher
 install_fish_plugins
-  echo "Fisher and plugins installed!"
-else
-  echo "Skipping plugin installation."
-fi
 
-echo "✅ Fish shell setup complete on ${OS}!"
+echo "✅ Fish + Fisher + plugins ensured on ${OS}."