thoughts/images/tp/gen-makefile

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#!/bin/bash
# Generate Makefile for third-party image download
#
# Copyright (C) 2017 Mike Gerwitz
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
##
declare -r remote_file=remote-list
cat <<EOF
### GENERATED BY gen-makefile ###
images := $( cut -d' ' -f1 "$remote_file" | tr '\n' ' ' )
.PHONY: all check clean
all: \$(images)
SHA512SUM: \$(images)
sha512sum \$(images) > \$@
check:
sha512sum -c SHA512SUM
clean:
\$(RM) \$(images)
EOF
while read out url convert; do
dest="$out"
echo "$dest":
printf "\t\wget -O %q %q\n" "$dest" "$url"
test -n "$convert" || continue
# faketime because of EXIF metadata
printf "\tfaketime 1970-01-01 mogrify %s %q\n" "$convert" "$dest"
done < "$remote_file"