#!/bin/bash -e

# runscripts: a bash-based replacement for make

# unlike make, supports full bash functionality including multiline commands

# usage: path/to/dir/run cmd args

if false; then #### run script template:

#!/bin/bash -e

. "$(dirname "${BASH_SOURCE[0]}")"/path/to/util.run or file_including_util.run

.rel other_includes

cmd()

{

	echo_func

	"$(dirname "${BASH_SOURCE[0]}")"/path_relative_to_self

	"$(dirname "${BASH_SOURCE[1]}")"/path_relative_to_caller

	"$top_dir"/path_relative_to_outermost_script

}

fi ####

. "$(dirname "${BASH_SOURCE[0]}")"/../sh/util.sh

.rel ../sh/make.sh

if self_not_included; then

#### setup

run_args_cmd() # runs the command line args command

{

	eval set -- "$(reverse "${BASH_ARGV[@]}")"

	test $# -ge 1 || set -- all

	echo_cmd "$top_script" "$@"; time "$@"

}

# users can override run_args_cmd to perform other commands (or no commands)

# after the script is read

on_exit() { test $? -eq 0 || return; run_args_cmd; }

trap on_exit EXIT

func_override set_paths__util_sh

set_paths()

{

	set_paths__util_sh "$@"

	top_file="${top_script%[./]run}"; echo_vars top_file

	top_filename="$(basename "$top_file")"; echo_vars top_filename

}

set_paths

#### utils

# usage: to_top_file cmd...

alias to_top_file='stdout="$top_file" to_file ' #last sp alias-expands next word

,() # usage: .../run , cmd1 cmd2 ... (like `make cmd1 cmd2 ...`)

# treats each of the command-line args as commands the way make does

# (instead of as args to the same command, the way runscripts do)

{ echo_func; for cmd in "$@"; do time echo_run "$cmd"; done; }

fwd() # usage: subdirs=(...); fwd "$FUNCNAME" "$@"

{

	echo_func

	: "${subdirs?}"

	for subdir in "${subdirs[@]}"; do "$top_dir"/"$subdir"/run "$@"; done

}

fi