Add support for zi

dotfiles/zshrc.d/zi.zsh

@@ -0,0 +1,63 @@
+# Zsh Inter-plugin Manager (zi) setup
+# https://github.com/z-shell/zi
+
+# Check if the zi directory exists to proceed with setup
+if [[ -d "${HOME}/.zi" ]]; then
+  # Define ZI home and bin directories
+  typeset -A ZI
+  ZI[HOME_DIR]="${HOME}/.zi"
+  ZI[BIN_DIR]="${ZI[HOME_DIR]}/bin"
+
+  # Source zi if the main script exists, otherwise the installation is incomplete
+  if [[ -f "${ZI[BIN_DIR]}/zi.zsh" ]]; then
+    source "${ZI[BIN_DIR]}/zi.zsh"
+
+    # Enable zi completions
+    autoload -Uz _zi
+    (( ${+_comps} )) && _comps[zi]=_zi
+  fi
+else
+  # Path for the acknowledgment file.
+  # We use a file inside the ~/.zi directory to keep related files together.
+  local ack_file="${HOME}/.zi/no_zi_ack"
+
+  # Check if the user has acknowledged the absence of zi to prevent nagging.
+  if [[ ! -f "${ack_file}" ]]; then
+    # If ~/.zi does not exist, define a helper function to install it.
+    _install_zi() {
+      echo "zi is not installed. Attempting to install to ~/.zi..."
+
+      if ! command -v git &>/dev/null; then
+          echo "Error: git is not installed. Please install git to continue." >&2
+          return 1
+      fi
+      
+      # Create the directory structure
+      echo "Creating installation directory..."
+      mkdir -p "${HOME}/.zi/bin"
+      
+      # Perform a shallow clone of the repository
+      echo "Cloning the zi repository..."
+      if command git clone --depth 1 https://github.com/z-shell/zi.git "${HOME}/.zi/bin"; then
+        echo "zi has been installed successfully."
+        echo "Reloading shell to activate..."
+        exec zsh -li
+      else
+        echo "Error: Failed to clone the zi repository." >&2
+        # Clean up created directories on failure
+        rm -rf "${HOME}/.zi"
+        return 1
+      fi
+    }
+
+    # Define a function to acknowledge the absence of zi and suppress the warning.
+    _ack_no_zi() {
+      echo "Acknowledging the absence of zi. The warning will be suppressed on the next shell start."
+      mkdir -p "$(dirname "${ack_file}")"
+      touch "${ack_file}"
+      echo "To re-enable the warning, remove the file: ${ack_file}"
+    }
+    
+    echo "zi plugin manager is not installed. Run '_install_zi' to install, or '_ack_no_zi' to suppress this warning."
+  fi
+fi