to_use.zsh

#!/usr/bin/env zsh
# to_use.zsh - Zsh script to link configuration files based on hostname
# SPDX-License-Identifier: MIT (https://ncurl.xyz/s/Kkn2DQsNR)

# Interrupt on errors
setopt ERR_EXIT

# Use custom hostname if provided, else default to system hostname
HOSTNAME="${HOSTNAME:-$(hostname)}"

# Set target directory, defaulting to home
TARGET_DIR="${TARGET_DIR:-$HOME}"

# Define installation directory
INSTALL_DIR="$TARGET_DIR/.syncconf"

# Get current script directory
CURRENT_DIR="${0:a:h}"

# Define profile directory based on hostname
PROFILE_DIR="$CURRENT_DIR/$HOSTNAME"

# Check source directory exists
[[ -d "$PROFILE_DIR" ]] || { print -u2 "Error: $PROFILE_DIR not found"; exit 1; }

# Ensure target directory exists
mkdir -p -- "$TARGET_DIR"

# Remove old symlink if exists
[[ -e "$INSTALL_DIR" ]] && rm -rf -- "$INSTALL_DIR"

# Create main symlink
ln -s -- "$PROFILE_DIR" "$INSTALL_DIR"

# Link configuration files
for file in "$INSTALL_DIR"/*; do
    basefile="$(basename -- "$file")"
    targetfile="$TARGET_DIR/$basefile"

    # Remove existing file or symlink
    [[ -e "$targetfile" || -L "$targetfile" ]] && \
        rm -rf -- "$targetfile"

    # Create symlink
    ln -s -- "$file" "$targetfile"
done

# Log the operation
print "Configuration linked to $TARGET_DIR"
date +"%Y-%m-%d %T" >> "$TARGET_DIR/.syncconf.timestamp"