bake/shake
2024-03-24 20:33:57 +00:00

92 lines
2.2 KiB
Bash
Executable File

#!/bin/bash
# Originally written by Anon, modified by Emil to better match Bake functionality
# Issues: sloooow, fails to handle multi-line statements
VERSION="20240302"
BLUE='\033[34m'
GREEN='\033[32m'
YELLOW='\033[93m'
DIM='\033[2m'
BOLD='\033[1m'
NORMAL='\033[0m'
MARKNAME="@BAKE"
MARK="${MARKNAME} "
MARKSTR="${GREEN}${MARKNAME}${NORMAL}"
enable -n echo
usage() {
echo -e "$0: [option] ${BOLD}target-file${NORMAL} [${GREEN}arguments${NORMAL} ...]\n"
echo -e "Use the format \`${BOLD}@BAKE${NORMAL} cmd ...' within the ${BOLD}target-file${NORMAL}."
echo -e "This will execute until the end of line, or if existing, until the ${BOLD}@STOP${NORMAL} marker.\n"
echo -e "Options [Must be first]"
echo -e "\t${DIM}-h --help${NORMAL}, ${BOLD}-n --dry-run${NORMAL}\n"
echo -e "Expansions\n"
echo -e "\t${YELLOW}@FILENAME${NORMAL} returns target-file (abc.x.txt)"
echo -e "\t${YELLOW}@SHORT${NORMAL} returns target-file without suffix (^-> abc.x)"
echo -e "\t${YELLOW}@ARGS${NORMAL} returns ${GREEN}arguments${NORMAL}"
}
if [[ $# -lt 1 ]]; then
usage
exit 1
fi
if [[ $1 == "-h" ]] || [[ $1 == "--help" ]]; then
usage
exit 0
fi
if [[ $1 == "-v" ]] || [[ $1 == "--version" ]]; then
echo -e "$0: $VERSION"
exit 0
fi
run=1
if [[ $1 == "-n" ]] || [[ $1 == "--dry-run" ]]; then
if [[ $# -lt 2 ]]; then
usage
exit 1
fi
run=0
shift 1
fi
input_file=$1
shift 1
if [[ ! -f $input_file ]]; then
echo -e "Input file '$input_file' does not exist." >&2
exit 1
fi
cd $(dirname "$(readlink -f "$input_file")")
input_file=${input_file##*/}
line=$(grep "$MARK" "$input_file" | head -1)
if [[ -n $line ]]; then
line=${line//\$@/$input_file}
line=${line//\$\*/${input_file%.*}}
line=${line//\$+/$@}
line=${line//@FILENAME/$input_file}
line=${line//@SHORT/${input_file%.*}}
line=${line//@ARGS/$@}
line=$(echo "$line" | sed 's/\W*@STOP.*//')
command="${line#*${MARK}}"
echo -e "${BOLD}${GREEN}$0${NORMAL}: $command"
if [[ $run -eq 1 ]]; then
echo -e "${BOLD}${GREEN}output${NORMAL}:"
sh -c "$command"
fi
else
echo -e "${MARKSTR} is not defined." >&2
exit 1
fi