From 2564550113af14f7dc5ecdcba52e6bc6fe44170b Mon Sep 17 00:00:00 2001 From: Salt Date: Thu, 20 Feb 2020 00:42:44 -0600 Subject: [PATCH] Vim: Add bash template It's really complex, but should facilitate writing better standalone scripts Obviously, for one-offs, there's still .sh files --- .vim/templates/=template=.bash | 148 +++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 .vim/templates/=template=.bash diff --git a/.vim/templates/=template=.bash b/.vim/templates/=template=.bash new file mode 100644 index 00000000..4a6e4c00 --- /dev/null +++ b/.vim/templates/=template=.bash @@ -0,0 +1,148 @@ +#! /bin/bash +# +# %FILE% +# Copyright (C) %YEAR% %USER% <%MAIL%> +# +# Distributed under terms of the %LICENSE% license. +# +set -e + +# Read-only set-once variables +declare -r _name="$(basename -- "$0")" +# Options +declare -a _config=( + [foo]="bar" + [baz]="bop" +) +declare _optconfigfile="${XDG_CONFIG_HOME:-$HOME/.config}/${_name}.conf" +declare -i _opthelp +declare -i _optverbose +# Working variables +declare -a _args +declare _return + +# Helper functions +log() { + # Print a line to the terminal if _optverbose is greater than $2 + # $2 defaults to 0 + # loglevel 0: Daily-use messages + # loglevel 1: Detailed but not quite debugging + # loglevel 2: Definitely debugging + [ -z "$1" ] && return 1 + if (( _optverbose >= ${2:-0} )); then + printf "%s\\n" "$1" + fi +} +warn() { + # Print a yellow line to the terminal, respecting _optverbose + [ -z "$1" ] && return 1 + if (( _optverbose >= ${2:-0} )); then + if [ -t 1 ]; then + printf "\\e[33m%s\\e[0m\\n" "$1" + else + printf "WARN: %s\\n" "$1" + fi + fi +} +error() { + # Print a red line to the terminal, exit if $2 is specified + [ -z "$1" ] && return 1 + if [ -t 2 ]; then + printf "\\e[31m%s\\e[0m\\n" "$1" 1>&2 + else + printf "ERROR: %s\\n" "$1" 1>&2 + fi + [ -z "$2" ] && return + exit "${2:-1}" +} +has() { + # Parse out all arguments and try to find them in path + # If an argument cannot be found, set _return and fail + for prog in "$@"; do + if ! command -v "$prog" > /dev/null 2>&1; then + _return="$prog" + return 1 + fi + done + return 0 +} + +# Core program functions +printhelp() { + cat << EOF +Usage: $_name [OPTION]... [FILE]... + + -c [FILE] Load the given file in place of the usual config file + -h Print this help text + -v Print more status messages. Stacks + +Copyright (c) %YEAR% %MAIL% +Licensed under the %LICENSE% license +EOF +} + +# Main +main() { + # Parse out arguments + while [ -n "$1" ]; do + # Parse out flags + while getopts ":hv" opt; do + case $opt in + c) + _optconfigfile="$OPTARG" + ;; + h) + _opthelp=1 + ;; + v) + _optverbose+=1 + ;; + :) + error "Option requires argument: -$OPTARG" 2 + ;; + *) + error "Invalid option: -$OPTARG" 2 + ;; + esac + done + # Store arguments + shift $((OPTIND - 1)) + if [ -n "$1" ]; then + _args+=("$1") + shift + fi + unset OPTIND + done + # Early hook for help + [ -n "$_opthelp" ] && printhelp && exit 0 + # Parse out a config file if it exists + if [ -f "$_optconfigfile" ]; then + log "Loading config file" 2 + while read line; do + # If the line has an equals sign and isn't a comment + if [ "$line" != "${line#*=}" ] && validateline "$line"; then + local key="${line%=*}" + local value="${line#*=}" + _config[$key]="$value" + log "Setting $key to $value" 2 + fi + done < "$_optconfigfile" + else + warn "Could not find configuration file" 2 + fi + # Validate critical options + # TODO: That + # Validate core program dependencies + log "Validating dependencies" 2 + if ! has basename; then + error "Failed to find program: $_return" 1 + fi + + # Do the do + # TODO: The do + warn "Nothing to do" + exit 0 +} + +main "$@" +