scripts/Create-CopyPatch

   1 #!/usr/bin/env bash
   2 # t2/scripts/Create-CopyPatch
   3 # Copyright (C) 2004 - 2025 The T2 SDE Project
   4 # Copyright (C) 1998 - 2003 ROCK Linux Project
   5 # SPDX-License-Identifier: GPL-2.0
   6 # --- T2-COPYRIGHT-END ---
   7
   8 tmpfile=`mktemp`
   9 copynote=$tmpfile.note
  10 copynotepatch=$tmpfile.patch
  11 rocknote=$tmpfile.rock
  12 oldfile=$tmpfile.old
  13 newfile=$tmpfile.new
  14
  15 cat << EOT > $copynote
  16 t2/@@FILENAME@@
  17 @@COPYRIGHT@@
  18 EOT
  19
  20 cp $copynote $copynotepatch
  21
  22 cat << EOT >> $copynote
  23 SPDX-License-Identifier: GPL-2.0
  24 EOT
  25
  26 cat << EOT >> $copynotepatch
  27 SPDX-License-Identifier: GPL-2.0 or patched project license
  28 EOT
  29
  30 echo "Creating copy.patch ..." >&2
  31
  32 usesvn=
  33 if [ "$1" = "-svn" ]; then
  34         usesvn=1; shift
  35 fi
  36
  37 if [ $# = 0 ]; then
  38     set architecture/. misc/. package/. scripts/. target/.
  39 else
  40     # check if file or package name was given
  41     files=
  42     for i; do
  43         if [ -f $i -o -d $i ]; then
  44             files="$files ${i#./}"
  45         elif [ -d package/*/$i ]; then
  46             for each in `echo package/*/$i`; do
  47                 [[ $each = *~ ]] && continue
  48                 files="$files $each/."
  49             done
  50         else
  51             echo Cannot find \'$i\', ignoring. 1>&2
  52         fi
  53     done
  54     set -- $files
  55     [ $# = 0 ] && exit
  56 fi
  57
  58 bash scripts/xfind.sh $* -type f ! -name "*~" ! -name Create-CopyPatch | sed 's,/\./,/,g' |
  59 while read filename; do
  60         # determine the comment mode first
  61         mode=none
  62         case "$filename" in
  63                 *.cache) mode=skip      ;;
  64                 */Makefile|*.sh|*.pl|*.in|*.hlp|*.conf) mode=sh ;;
  65                 *.cron|*.postinstall|*.init) mode=sh ;;
  66                 *.h|*.c|*.cc|*.cpp|*.lex|*.y|*.spec|*.tcx|*.tmpl|*.tcc) mode=c ;;
  67                 *.lua) mode=lua ;;
  68                 *.desc) mode=asci ;;
  69                 *scripts/[A-Z][a-z-]*|*/parse-config*) mode=sh ;;
  70                 *patch|*diff|*patch.*) mode=sh ;;
  71                 *m4) mode=m4 ;;
  72         esac
  73
  74         #echo "Mode type: $mode"
  75
  76         grep -q -- '--- NO-\(T2\|ROCK\)-COPYRIGHT.* ---' "$filename" && continue
  77
  78         case "$mode" in
  79                 skip)   continue ;;
  80                 none)
  81                         if head -n 1 "$filename" | grep -q '^#!'; then
  82                                 mode=sh
  83                         else
  84                                 case "`sed -n 's/^ *\([^ ]\+\) .*COPYRIGHT-.*BEGIN .*/\1/p' "$filename"`" in
  85                                         "#") mode=sh ;;
  86                                         "*") mode=c ;;
  87                                 esac
  88                         fi
  89
  90                         if [ "$mode" == none ]; then
  91                                 echo "Unknown type for $filename" 1>&2
  92                                 continue
  93                         fi
  94         esac
  95
  96         # make a copy in the case we have no matching conditional below
  97         sed 's,\(ROCK\|T2\)-COPYRIGHT-NOTE,T2-COPYRIGHT,g' "$filename" > "$oldfile"
  98
  99         tag=$(sed -n -e '/^\(.*\)--- T2-COPYRIGHT-.*BEGIN ---.*/{s//\1/;p;q;}' "$oldfile")
 100         thisyear=`date +%Y`
 101
 102         if [ -n "$tag" ]; then
 103                 # has a note, catch copyrights
 104                 oldcopyright=`sed -e '/--- T2-COPYRIGHT-.*BEGIN ---/,/--- T2-COPYRIGHT-.*END ---/!d' \
 105                         -e '/.*\(Copyright (C) .*\)/!d;s//\1/;' \
 106                         -e 's/Clifford Wolf/ROCK Linux Project/' \
 107                         $oldfile`
 108         else
 109                 oldcopyright=
 110         fi
 111
 112         if echo "$oldcopyright" | grep -q 'T2 SDE'; then
 113                 # if has T2 copyright, renew if necesary
 114                 since=$(echo "$oldcopyright" | sed -n -e 's,.* (C) \([^ ]*\) .*T2 SDE.*,\1,p')
 115
 116                 if [ $since -lt $thisyear ]; then
 117                         copyright=`echo "$oldcopyright" | sed -e \
 118                         "s,.*T2 SDE.*,Copyright (C) $since - $thisyear The T2 SDE Project,"`
 119                 else
 120                         copyright="$oldcopyright"
 121                 fi
 122         else
 123                 # else, add one...
 124                 if [ "$usesvn" = 1 ]; then
 125                         since=`TZ=UTC svn log -q "$filename" 2> /dev/null |
 126                                 grep -a '^r' | tail -n 1 | cut -d'|' -f3 | cut -c2-5`
 127
 128                         # but until 2003 we were ROCK Linux, so
 129                         if [ ${since:-2004} -lt 2004 ]; then
 130                                 oldcopyright="Copyright (C) $since - 2003 ROCK Linux Project"
 131                                 since=2004
 132                         fi
 133                 else
 134                         since=$thisyear
 135                 fi
 136
 137                 # prepare a copyright tag
 138                 if [ ${since:-1} -lt $thisyear ]; then
 139                         copyright="Copyright (C) ${since:-ESVNTO} - $thisyear The T2 SDE Project"
 140                 else
 141                         copyright="Copyright (C) $thisyear The T2 SDE Project"
 142                 fi
 143                 copyright="$copyright${oldcopyright:+\\n$oldcopyright}"
 144         fi
 145
 146         action='i'
 147         pretag= posttag=
 148         if [ -z "$tag" ]; then
 149                 # doesn't have a note
 150                 if head -n 1 "$filename" | grep -a -q '^#!'; then
 151                         action='a'
 152                 fi
 153                 case "$mode" in
 154                         sh)
 155                                 tag="# "
 156                                 ;;
 157                         asci)
 158                                 tag="[COPY] "
 159                                 ;;
 160                         c)
 161                                 pretag='/*' posttag=' */'
 162                                 tag=' * '
 163                                 ;;
 164                         m4)
 165                                 tag="dnl "
 166                                 ;;
 167                         lua)
 168                                 tag="-- "
 169                                 ;;
 170                 esac
 171
 172                 # insert one
 173                 sed -i "1 $action\\
 174 ${pretag:+$pretag\\
 175 }$tag--- T2-COPYRIGHT-BEGIN ---\\
 176 $tag--- T2-COPYRIGHT-END ---\\
 177 ${posttag:+$posttag\\
 178 }" $oldfile
 179         fi
 180
 181         mangled_filename=`echo "$filename" |
 182                 sed 's,package/\([^/]*\)/\(.*\),package/*/\2,'`
 183
 184         #echo BEFORE
 185         #cat $oldfile
 186
 187         if [ "$tag" ]; then
 188             # implant T2 copy note
 189             {
 190                 grep -a -B 1000000 -- '--- T2-COPYRIGHT-.*BEGIN ---' $oldfile
 191                 {
 192                 if [ "$filename" != "${filename%/*.diff}" -o \
 193                      "$filename" != "${filename%/*.patch}" -o \
 194                      "$filename" != "${filename%/*.patch.*}" ]; then
 195                         sed -e "s,@@FILENAME@@,$mangled_filename,; \
 196                                 s,@@COPYRIGHT@@,${copyright//
 197 /\\n},;"  $copynotepatch
 198                 else
 199                         sed -e "s,@@FILENAME@@,$mangled_filename,; \
 200                                 s,@@COPYRIGHT@@,${copyright//
 201 /\\n},;"  $copynote
 202                 fi
 203                 # we need a separated sed call because $rockcopyright adds a new line
 204                 } | sed -e "s,^,$tag,"
 205
 206                 grep -a -A 1000000 -- '--- T2-COPYRIGHT-.*END ---' $oldfile
 207             } > $newfile
 208
 209             # create the difference
 210             if ! cmp -s $oldfile $newfile; then
 211                 echo "Creating patch for $filename." >&2
 212                 diff -ua "./$filename" $newfile |
 213                         sed -e "2 s,$newfile,./$filename,"
 214             fi
 215         else
 216                 echo "WARNING: No Copyright tags in $filename found!" >&2
 217         fi
 218 done
 219
 220 rm -f $tmpfile{,.note,.patch,.rock,.old,.new}