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#!/bin/bash -e
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shopt -s expand_aliases
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# run scripts: a bash-based replacement for make
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# unlike make, supports full bash functionality including multiline commands
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# usage: path/to/dir/run cmd args
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6
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if false; then #### run script template:
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#!/bin/bash -e
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. "$(dirname "${BASH_SOURCE[0]}")"/path/to/util.run or file_including_util.run
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. "$(dirname "${BASH_SOURCE[0]}")"/other_includes
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11
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cmd ()
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{
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echo_func "$@"
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"$(dirname "${BASH_SOURCE[0]}")"/path_relative_to_self
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"$(dirname "${BASH_SOURCE[1]}")"/path_relative_to_caller
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"$top_dir"/path_relative_to_outermost_script
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}
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fi ####
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echo_cmd () { echo "$PS4$*" >&2; }
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echo_run () { echo_cmd "$@"; "$@"; }
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# usage: echo_func "$@"
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echo_func ()
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{
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echo_cmd "${BASH_SOURCE[1]}:${BASH_LINENO[0]}" "${FUNCNAME[1]}" "$@"
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}
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echo_stdin () { tee -a /dev/stderr; } # usage: input|echo_stdin|cmd
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usage () { echo "Usage: $1" >&2; (exit 2); }
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34
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top_dir="$(dirname "$0")" # outermost script
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36
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run_args_cmd () # runs the command line args command
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{
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test "$?" -eq 0 || return
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set -- "${BASH_ARGV[@]}"
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test "$#" -ge 1 || set -- all
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echo_cmd "$0" "$@"; "$@"
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}
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# users can override this function to perform other commands (or no commands)
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# after the script is read
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on_exit () { run_args_cmd; }
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48
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trap on_exit EXIT
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49
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fwd () # usage: subdirs=(...); fwd "$FUNCNAME" "$@"
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{
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echo_func "$@"
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: "${subdirs?}"
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54
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for subdir in "${subdirs[@]}"; do
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"$(dirname "${BASH_SOURCE[1]}")"/"$subdir"/run "$@"
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done
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}
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59
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60
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make ()
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{
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echo_func "$@"
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echo_run env make --directory="$top_dir" "$@"
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}
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65
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if false; then ## usage:
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67
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inline_make <<'EOF'
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target:
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$(self_dir)/cmd >$@
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EOF
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# target will be run automatically because it's first in the makefile
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fi ##
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inline_make ()
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{
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local self_dir="$(dirname "$(readlink -f "${BASH_SOURCE[1]}")")"
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echo_func "$@"
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(cat
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cat <<EOF
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79
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.SUFFIXES: # turn off built-in suffix rules
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.SECONDARY: # don't automatically delete intermediate files
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.DELETE_ON_ERROR: # delete target if recipe fails
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EOF
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)|echo_stdin|make --makefile=/dev/stdin self_dir="$self_dir" "$@"
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85
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}
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