scripts/Create-CopyPatch

   1 #!/usr/bin/env bash
   2 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   3 # This copyright note is auto-generated by scripts/Create-CopyPatch.
   4 #
   5 # T2 SDE: scripts/Create-CopyPatch
   6 # Copyright (C) 2004 - 2014 The T2 SDE Project
   7 # Copyright (C) 1998 - 2003 ROCK Linux Project
   8 #
   9 # More information can be found in the files COPYING and README.
  10 #
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; version 2 of the License. A copy of the
  14 # GNU General Public License can be found in the file COPYING.
  15 # --- T2-COPYRIGHT-NOTE-END ---
  16
  17 copynote=`mktemp`
  18 copynotepatch=`mktemp`
  19 rocknote=`mktemp`
  20 oldfile=`mktemp`
  21 newfile=`mktemp`
  22 tmpfile=`mktemp`
  23
  24 cat << EOT > $copynote
  25 T2 SDE: @@FILENAME@@
  26 @@COPYRIGHT@@
  27
  28 This Copyright note is generated by scripts/Create-CopyPatch,
  29 more information can be found in the files COPYING and README.
  30
  31 EOT
  32
  33 cp $copynote $copynotepatch
  34
  35 cat << EOT >> $copynote
  36 This program is free software; you can redistribute it and/or modify
  37 it under the terms of the GNU General Public License version 2.
  38 EOT
  39
  40 cat << EOT >> $copynotepatch
  41 This patch file is dual-licensed. It is available under the license the
  42 patched project is licensed under, as long as it is an OpenSource license
  43 as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  44 of the GNU General Public License version 2 as used by the T2 SDE.
  45 EOT
  46
  47 echo "Creating copy.patch ..." >&2
  48
  49 usesvn=
  50 if [ "$1" = "-svn" ]; then
  51         usesvn=1; shift
  52 fi
  53
  54 if [ $# = 0 ]; then
  55     set architecture/. misc/. package/. scripts/. target/.
  56 else
  57     # check if file or package name was given
  58     files=""
  59     for i; do
  60         if [ -f $i -o -d $i ]; then
  61             files="$files ${i#./}"
  62         elif [ -d package/*/$i ]; then
  63             for each in `echo package/*/$i`; do
  64                 [[ $each = *~ ]] && continue
  65                 files="$files $each/."
  66             done
  67         else
  68             echo Cannot find \'$i\', ignoring. 1>&2
  69         fi
  70     done
  71     set -- $files
  72     [ $# = 0 ] && exit
  73 fi
  74
  75 bash scripts/xfind.sh $* -type f ! -name "*~" \
  76         ! -name Create-CopyPatch | sed 's,/\./,/,g' |
  77 while read filename; do
  78         # determine the comment mode first
  79         mode=none
  80         case "$filename" in
  81                 *.cache) mode=skip      ;;
  82                 */Makefile|*.sh|*.pl|*.in|*.hlp|*.conf) mode=sh ;;
  83                 *.cron|*.postinstall|*.init) mode=sh ;;
  84                 *.h|*.c|*.cc|*.cpp|*.lex|*.y|*.spec|*.tcx|*.tmpl|*.tcc) mode=c ;;
  85                 *.lua) mode=lua ;;
  86                 *.desc) mode=asci ;;
  87                 *scripts/[A-Z][a-z-]*|*/parse-config*) mode=sh ;;
  88                 *patch|*diff|*patch.*) mode=sh ;;
  89                 *m4) mode=m4 ;;
  90         esac
  91
  92         #echo "Mode type: $mode"
  93
  94         grep -q -- '--- NO-\(T2\|ROCK\)-COPYRIGHT-NOTE ---' "$filename" &&
  95                 continue
  96
  97         case "$mode" in
  98                 skip)   continue ;;
  99                 none)
 100                         if head -n 1 "$filename" | grep -q '^#!'; then
 101                                 mode=sh
 102                         else
 103                                 case "`sed -n 's/^ *\([^ ]\+\) .*COPYRIGHT-NOTE-BEGIN .*/\1/p' "$filename"`" in
 104                                         "#") mode=sh ;;
 105                                         "*") mode=c ;;
 106                                 esac
 107                         fi
 108
 109                         if [ "$mode" == none ]; then
 110                                 echo "Unknown type for $filename" 1>&2
 111                                 continue
 112                         fi
 113         esac
 114
 115         # make a copy in the case we have no matching conditional below
 116         sed 's,ROCK-COPYRIGHT-NOTE,T2-COPYRIGHT-NOTE,g' "$filename" > "$oldfile"
 117
 118         tag=$(sed -n -e '/^\(.*\)--- T2-COPYRIGHT-NOTE-BEGIN ---.*/{s//\1/;p;q;}' "$oldfile")
 119         thisyear=`date +%Y`
 120
 121         if [ -n "$tag" ]; then
 122                 # has a note, catch copyrights
 123                 oldcopyright=`sed -e '/--- T2-COPYRIGHT-NOTE-BEGIN ---/,/--- T2-COPYRIGHT-NOTE-END ---/!d' \
 124                         -e '/.*\(Copyright (C) .*\)/!d;s//\1/;' \
 125                         -e 's/Clifford Wolf/ROCK Linux Project/' \
 126                         $oldfile`
 127         else
 128                 oldcopyright=
 129         fi
 130
 131         if echo "$oldcopyright" | grep -q 'T2 SDE'; then
 132                 # if has T2 copyright, renew if necesary
 133                 since=$(echo "$oldcopyright" | sed -n -e 's,.* (C) \([^ ]*\) .*T2 SDE.*,\1,p')
 134
 135                 if [ $since -lt $thisyear ]; then
 136                         copyright=`echo "$oldcopyright" | sed -e \
 137                         "s,.*T2 SDE.*,Copyright (C) $since - $thisyear The T2 SDE Project,"`
 138                 else
 139                         copyright="$oldcopyright"
 140                 fi
 141         else
 142                 # else, add one...
 143                 if [ "$usesvn" = 1 ]; then
 144                         since=`TZ=UTC svn log -q "$filename" 2> /dev/null |
 145                                 grep -a '^r' | tail -n 1 | cut -d'|' -f3 | cut -c2-5`
 146
 147                         # but until 2003 we were ROCK Linux, so
 148                         if [ ${since:-2004} -lt 2004 ]; then
 149                                 oldcopyright="Copyright (C) $since - 2003 ROCK Linux Project"
 150                                 since=2004
 151                         fi
 152                 else
 153                         since=$thisyear
 154                 fi
 155
 156                 # prepare a copyright tag
 157                 if [ ${since:-1} -lt $thisyear ]; then
 158                         copyright="Copyright (C) ${since:-ESVNTO} - $thisyear The T2 SDE Project"
 159                 else
 160                         copyright="Copyright (C) $thisyear The T2 SDE Project"
 161                 fi
 162                 copyright="$copyright${oldcopyright:+\\n$oldcopyright}"
 163         fi
 164
 165         action='i'
 166         pretag= posttag=
 167         if [ -z "$tag" ]; then
 168                 # doesn't have a note
 169                 if head -n 1 "$filename" | grep -a -q '^#!'; then
 170                         action='a'
 171                 fi
 172                 case "$mode" in
 173                         sh)
 174                                 tag="# "
 175                                 ;;
 176                         asci)
 177                                 tag="[COPY] "
 178                                 ;;
 179                         c)
 180                                 pretag='/*' posttag=' */'
 181                                 tag=' * '
 182                                 ;;
 183                         m4)
 184                                 tag="dnl "
 185                                 ;;
 186                         lua)
 187                                 tag="-- "
 188                                 ;;
 189                 esac
 190
 191                 # insert one
 192                 sed -i "1 $action\\
 193 ${pretag:+$pretag\\
 194 }$tag--- T2-COPYRIGHT-NOTE-BEGIN ---\\
 195 $tag--- T2-COPYRIGHT-NOTE-END ---\\
 196 ${posttag:+$posttag\\
 197 }" $oldfile
 198         fi
 199
 200         mangled_filename=`echo "$filename" |
 201                 sed 's,package/\([^/]*\)/\(.*\),package/*/\2,'`
 202
 203         #echo BEFORE
 204         #cat $oldfile
 205
 206         if [ "$tag" ]; then
 207             # implant T2 copy note
 208             {
 209                 grep -a -B 100000 -- '--- T2-COPYRIGHT-NOTE-BEGIN ---' $oldfile
 210                 {
 211                 if [ "$filename" != "${filename%/*.diff}" -o \
 212                      "$filename" != "${filename%/*.patch}" -o \
 213                      "$filename" != "${filename%/*.patch.*}" ]; then
 214                         sed -e "s,@@FILENAME@@,$mangled_filename,; \
 215                                 s,@@COPYRIGHT@@,${copyright//
 216 /\\n},;"  $copynotepatch
 217                 else
 218                         sed -e "s,@@FILENAME@@,$mangled_filename,; \
 219                                 s,@@COPYRIGHT@@,${copyright//
 220 /\\n},;"  $copynote
 221                 fi
 222                 # we need a separated sed call because $rockcopyright adds a new line
 223                 } | sed -e "s,^,$tag,"
 224
 225                 grep -a -A 100000 -- '--- T2-COPYRIGHT-NOTE-END ---' $oldfile
 226             } > $newfile
 227
 228             # create the difference
 229             if ! cmp -s $oldfile $newfile; then
 230                 echo "Creating patch for $filename." >&2
 231                 diff -ua "./$filename" $newfile |
 232                         sed -e "2 s,$newfile,./$filename,"
 233             fi
 234         else
 235                 echo "WARNING: No Copyright tags in $filename found!" >&2
 236         fi
 237 done
 238
 239 rm -f $copynote $copynotepatch $newfile