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28cb31ffa4
Also change the copyright notice format in source files: - Old format: "Copyright (c) <Author> <Year>-<Year>" - New format: "Copyright (C) <Author> <Year>" The new format is meant to reduce the diff output and to alleviate the maintenance burden; the use of lowercase "(c)" vs. uppercase "(C)" is meant to distinguish between the old format and the new format. Signed-off-by: Cosmin Truta <ctruta@gmail.com>
45 lines
1.3 KiB
Bash
Executable File
45 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit -o pipefail -o posix
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# Copyright (C) 2019 Cosmin Truta
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# SPDX-License-Identifier: MIT
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# shellcheck source=ci/lib/ci.lib.sh
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source "$(dirname "$0")/../lib/ci.lib.sh"
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function ci_shellify_autoconf {
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# Convert autoconf (M4) text, specifically originating
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# from configure.ac, to shell scripting text.
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# Select only the easy-to-parse definitions of PNGLIB_*.
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sed -n -e '/^ *PNGLIB_[^ ]*=[$"0-9A-Za-z_]/ p' |
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sed -e 's/^ *PNG\([0-9A-Za-z_]*\)=\([^# ]*\).*$/PNG\1=\2/' \
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-e 's/^\([^ ]*=[^ ]*\).*$/export \1;/'
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}
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function usage {
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echo "usage: $CI_SCRIPT_NAME [<options>] configure.ac"
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echo "options: -?|-h|--help"
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exit "${@:-0}"
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}
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function main {
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local opt
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while getopts ":" opt
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do
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# This ain't a while-loop. It only pretends to be.
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[[ $1 == -[?h]* || $1 == --help || $1 == --help=* ]] && usage 0
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ci_err "unknown option: '$1'"
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done
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shift $((OPTIND - 1))
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[[ $# -eq 0 ]] && usage 2
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[[ $# -eq 1 ]] || ci_err "too many operands"
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# And... go!
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test -e "$1" || ci_err "no such file: '$1'"
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[[ $(basename -- "$1") == configure.ac ]] || {
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ci_err "incorrect operand: '$1' (expecting: 'configure.ac')"
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}
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ci_shellify_autoconf <"$1"
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}
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main "$@"
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