Re: [Bug-librejs] License Fix Script

[Loic J. Duros]

Hi Ian:

Nice job!

I'll test this when I get a chance.
This sounds like a a useful tool to provide webmasters!

Loic

Ian D <address@hidden> writes:

>        A few months back, on the TODO list for LibreJS, it was suggested
>        that we create a patch for websites to ease the freeing of their
>        javascript.  I've got the start of a bash script that would free
>        an entire directory tree of javascript.  I'm not sure if that's
>        what the idea was, but for the moment, this will insert the
>        @licstart/@licend markers for the MPL and Apache licenses, or
>        insert the users choice of AGPL, MPL, or Apache licenses if no
>        license is found.  I think this might help while we work out
>        other options.
>
> Ian D
>
>
> #! /bin/bash
>
> # License declarations.
>
> AGPL='/* @licstart  The following is the entire license notice for the
>  * JavaScript code in this page.
>  *
>  * This program is free software: you can redistribute it and/or modify
>  * it under the terms of the GNU Affero 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 Affero General Public License for more details.
>  *
>  * You should have received a copy of the GNU Affero General Public License
>  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
>  *
>  * @licend  The above is the entire license notice
>  * for the JavaScript code in this page.'
>
> Apache='/* @licstart  The following is the entire license notice for the
>  * JavaScript code in this page.
>  *
>  * Licensed under the Apache License, Version 2.0 (the "License");
>  * you may not use this file except in compliance with the License.
>  * You may obtain a copy of the License at
>  *
>  *     http://www.apache.org/licenses/LICENSE-2.0
>  *
>  * Unless required by applicable law or agreed to in writing, software
>  * distributed under the License is distributed on an "AS IS" BASIS,
>  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
>  * See the License for the specific language governing permissions and
>  * limitations under the License.
>  *
>  * @licend  The above is the entire license notice
>  * for the JavaScript code in this page. */'
>
> MPL='/* @licstart  The following is the entire license notice for the
>  * JavaScript code in this page.
>  * 
>  * This Source Code Form is subject to the terms of the Mozilla Public
>  * License, v. 2.0. If a copy of the MPL was not distributed with this
>  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
>  * 
>  * @licend  The above is the entire license notice
>  * for the JavaScript code in this page. */'
>
> LICENSES=("$AGPL" "$MPL" "$Apache")
>
> FILES=
>
> # License defaults to the AGPL
> LICENSE=0
>
> while :
> do
>     case "$1" in
>       -l) LICENSE="$2" ;;
>       -f) FILES="$2" ;;
>       *) break ;;
>     esac
>     shift; shift
> done
>
> if [ -z "$FILES" ]
> then
>     # Run this on every javascript file in this directory,
>     #  and all subdirectories.
>     FILES=$(find . -regex ".*\.js")
> fi
>
> if [ "$LICENSE" == "-1" ]
> then
>     LICENSE=0
> fi
>
> # First, check for a license.
> # If one, then replace the license with the identical license, but
> #    with licstart/licend.
> # If none is found, then insert the user's request for the license.
>
> for i in $FILES
> do
>     if [ ! -e "$i" ]
>     then
>       echo "Skipping non-existent file $i"
>       continue
>     fi
>
>     echo "Checking $i for a license..."
>
>     GREPS=$(grep -l '@licstart' "$i")
>     GREPE=$(grep -l '@licend' "$i")
>     if [ ! -z "$GREPS" ] && [ ! -z "$GREPE" ]
>     then
>       echo "Found a license in $i, continuing."
>       continue
>     else
>       if [ ! -z "$GREPS" ] || [ ! -z "$GREPE" ]
>       then
>           echo "Found license fragment in $i, skipping."
>           continue
>       fi
>     fi
>
>     sed -sn '
> 1h
> 1!H
> $ {
>     g
>     s|This Source Code Form is subject to the terms of the Mozilla Public\n 
> \(*#\) License, v\. 2\.0\. If a copy of the MPL was not distributed with 
> this\n \(*#\) file, You can obtain one at 
> http://mozilla\.org/MPL/2\.0/\.|@licstart  The following is the entire 
> license notice for the\n \1 JavaScript code in this page.\n \1\n \1 This 
> Source Code Form is subject to the terms of the Mozilla Public\n \1 License, 
> v. 2.0. If a copy of the MPL was not distributed with this\n \1 file, You can 
> obtain one at http://mozilla.org/MPL/2.0/.\n \1\n \1 @licend  The above is 
> the entire license notice\n \1 for the JavaScript code in this page.|g
>     s|/\*\([^/]*\)Licensed under the Apache License, Version 2\.0 (the 
> "License");\n \* you may not use this file except in compliance with the 
> License\.\n \* You may obtain a copy of the License at\([ 
> \t\n*]*\)http://www\.apache\.org/licenses/LICENSE-2\.0\([^/]*\)\/|/* 
> @licstart  The following is the entire license notice for the\n * JavaScript 
> code in this page.\n *\n *\1Licensed under the Apache License, Version 2.0 
> (the "License");\n * you may not use this file except in compliance with the 
> License.\n * You may obtain a copy of the License 
> at\2http://www.apache.org/licenses/LICENSE-2.0\3\n *\n * @licend  The above 
> is the entire license notice\n * for the JavaScript code in this page.*/|g
>     p
> }
> ' "$i" > "$i".tmp
>
>     # If anything changed, then this won't be empty.
>     DIFFS=$(diff -q "$i" "$i.tmp")
>     if [ -z "$DIFFS" ]
>     then
>       rm "$i.tmp"
>       if [ "$LICENSE" == "-1" ]
>       then
>           echo "No License found in $i, and none specified."
>           continue
>       fi
>
>       # No license was found, insert it at the top of the file.
>       DES_LIC="${LICENSES[$LICENSE]}"
>       echo "$DES_LIC" | cat - "$i" > "$i.tmp"
>     fi
>     mv -f "$i.tmp" "$i"
> done
> echo "Finished."