112 lines
3.0 KiB
Plaintext
112 lines
3.0 KiB
Plaintext
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#!/bin/bash
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#
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# Generates Makefile containing dependencies for each package
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#
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# Copyright (C) 2016 LoVullo Associates, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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##
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# windows machines may not have the tools to resolve a path, so let's do so
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# ourselves (TODO: there's better (and more performant) ways of doing this than
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# repeated string replacements); TODO: ./
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resolv-path()
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{
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# no need to do anything if the string does not contain a parent dir reference
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# (we use this convoluted string replacement check for woe32/64 to prevent
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# additional spawns (e.g. sed) that would slow us down and because =~ is not
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# properly supported in msys
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[[ "$1" != "${1/..\//}"a ]] || {
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echo "$1"
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return
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}
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local path=
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while read name; do
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if [ "$name" == .. ]; then
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[ -n "$path" ] || {
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echo "warning: will not resolve $1" >&2
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return 5
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}
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path="${path%/*}"
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continue
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fi
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path="$path/$name"
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done <<< "${1//\//$'\n'}"
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# echo path without leading /
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echo -n "${path:1}"
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}
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# rule for building
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[ -z "$GEN_MAKE" ] && {
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echo "%.xmlo:: %.tmp"
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echo -e "\t@rm -f \$@ \$<"
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[ -n "$xmlo_cmd" ] \
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&& echo -e "\t$xmlo_cmd" \
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|| echo -e "\ttouch \$@"
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echo "%.xmlo:: %.xml | prexmlo"
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[ -n "$xmlo_cmd" ] \
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&& echo -e "\t$xmlo_cmd" \
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|| echo -e "\ttouch \$@"
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export GEN_MAKE="$( pwd )/$0"
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exec "$GEN_MAKE" "$@"
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}
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until [ $# -eq 0 ]; do (
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path="${1%%/}"
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echo "[gen-make] scanning $path" >&2
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cd "$( basename $path )/" || exit $?
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deps=$( find -maxdepth 1 -iname '*.dep' )
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for dpath in $deps; do
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# equivalent to basename command; use this since spawning processes on
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# windoze is slow as shit (originally we did find -exec bashename)
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d="${dpath##*/}"
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echo "[gen-make] found $path/$d" >&2
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echo -n "$path/${d%.*}.xmlo:"
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# output deps
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while read dep; do
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# if the first character is a slash, then it's relative to the project
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# root---the resolution has already been done for us!
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if [ "${dep:0:1}" == '/' ]; then
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echo -n " ${dep:1}.xmlo"
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continue
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fi
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echo -n ' '
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resolv-path "$path/$dep.xmlo"
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done < "$d"
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echo
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done
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# recurse on every subdirectory
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for p in */; do
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[ "$p" == ./ -o "$p" == ../ ] && continue
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[ ! -d "$p" ] || "$GEN_MAKE" "$path/$p" || {
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echo "fatal: failed to recurse on $( pwd )/$path/$p" >&2
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exit 1
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}
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done
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); shift; done
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