file-scripts/bin/cptemplate

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#!/usr/bin/bash
# Cleanup
set -e
trap 'exit 1' SIGINT
# Constants
VERSION=2.0.0
template_dir="$HOME/Templates"
fd_opts=(--type f --threads "$(nproc)")
# Helper functions
function help() {
cat << HELPMESSAGE
$(basename "$0") $VERSION
Usage: $(basename "$0") [-h] [-d DIR] [-f] dest
Positional arguments:
dest
options:
-h, --help show this help message and exit
-d DIR, --template-dir DIR
choose a template directory (default: ~/Templates)
-f, --force overwrite dest if it exists
HELPMESSAGE
}
while true; do
case "${1}" in
'-d' | '--dir')
template_dir="${2}"
case "${template_dir}" in
"")
exit 1
;;
-*)
exit 1
;;
esac
shift 2
continue
;;
--dir=*)
template_dir="${1#*=}"
case "${template_dir}" in
"")
exit 1
;;
-*)
exit 1
;;
esac
shift
continue
;;
'-f' | '--force')
FORCE_OVERWRITE='--force'
shift
continue
;;
'-h' | '--help')
help
exit
;;
--)
shift
break
;;
-*)
printf '%s\n' "Unknown option: ${1}" >&2
exit 1
;;
*)
break
;;
esac
done
# If no target specified
if [[ -z "$1" ]]; then
help
exit 1
fi
# Check if template directory exists
if ! [[ -d "$template_dir" ]]; then
printf '%s\n' "Template directory doesn't exist, exiting."
exit 2
fi
files="$(fd "${fd_opts[@]}" -- . "$template_dir")"
selected_file="$(fzf --select-1 --exit-0 <<< "$files")"
# Check if target exists
if [[ -f "$1" && -z "$FORCE_OVERWRITE" ]]; then
printf '%s\n' 'File already exists, exiting'
exit 1
elif [[ -f "$1" && -n "$FORCE_OVERWRITE" ]]; then
cp --verbose --force -- "$selected_file" "$1"
else
cp --verbose -- "$selected_file" "$1"
fi