100 lines
2.7 KiB
Plaintext
100 lines
2.7 KiB
Plaintext
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#!/bin/bash
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# Updates copyright of various source files and commits to repository
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#
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# Copyright (C) 2013 Mike Gerwitz
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#
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# This file is part of ease.js.
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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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# Please note that this file will update itself. Further, it will only update
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# files that state ``this file is part of ease.js''.
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#
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# This script will look up the modification dates from the file commits and
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# update the copyright line accordingly. Since the history must not include the
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# copyright update itself, this script will also perform the commit (feel free
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# to amend afterward) to ensure consistency in future filtering.
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#
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# This should be run from the tools directory.
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##
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owner="${@:?Missing copyright owner}"
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# refuse to run on a dirty tree
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if [ -n "$( git status --short | grep -v ^?? )" ]; then
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echo 'Please stash or commit your changes.' >&2
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exit 1
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fi
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# safety check
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wd="$(pwd)"
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[ "${wd##*/}" == tools ] || {
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echo 'Please run from within tools directory' >&2
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exit 1
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}
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# enable extglob for !()
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shopt -s extglob || {
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echo 'extglob unsupported' >&2
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exit 1
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}
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# we will be updating all files that contain this line
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ident='This file is part of ease.js.$'
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ignorepath='.git|build|webroot|node_modules'
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files=$( grep -rl "$ident" ../!($ignorepath) )
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(
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echo 'The following files will be updated to reflect modification years:'
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echo
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echo "$files"
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) | less -EX
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read -p 'Are you sure you want to continue (y/N)? ' c
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[[ "$c" == [yY] ]] || {
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echo 'Aborting.' >&2
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exit 1
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}
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# have at it
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for file in $files; do
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ext="${file##*/*.}"
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echo -n "updating $file..."
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# determine copyrightable years from commit log and format as year1, year2,
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# ..., yearn (TODO: join consecutive years with dash)
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years=$(
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git log --format='%aD %s' -- "$file" \
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| grep -vF '[copyright]' \
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| cut -d' ' -f4 \
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| sort -u \
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| tr '\n' , \
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| sed 's/,/, /g;s/, $//'
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)
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# no years, then no history
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if [ -z "$years" ]; then
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echo 'unknown; skipped.'
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continue
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fi
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# perform copyright update
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sed -i "s/\(. \+Copyright (C) \).*\$/\\1$years $owner/" "$file"
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echo "$years."
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done
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# commit
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git commit -am '[copyright] Copyright update'
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