source/SHAPES-VERSION-GEN

   1 #!/bin/sh
   2
   3 # This file is part of Shapes.
   4 #
   5 # Shapes is free software: you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation, either version 3 of the License, or
   8 # any later version.
   9 #
  10 # Shapes is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with Shapes.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18 # Copyright 2008 Gustaf Hendeby
  19
  20 LF='
  21 '
  22 if test $# -lt 1
  23 then
  24         DIR='..'
  25 else
  26         DIR=$1
  27 fi
  28
  29 SVF=SHAPES-VERSION-FILE
  30 SVF_DEF=$DIR/VERSION
  31 SVF_DIST=version
  32 VN=$(sed -e '2,$ d' < $SVF_DEF)
  33 VD=$(date +"%Y-%m-%d %T %z")
  34
  35 if test -f $SVF_DIST
  36 then
  37         VN=$(sed -e '/NUMBER/! d' -e 's/VERSION_NUMBER := //' < $SVF_DIST)
  38         VD=$(sed -e '/DATE/! d' -e 's/VERSION_DATE := //' < $SVF_DIST)
  39 elif test -d $DIR/.git &&
  40         VN=$(cd ${DIR} && git describe --abbrev=4 HEAD 2>/dev/null) &&
  41         case "$VN" in
  42         *$LF*) (exit 1) ;;
  43         [0-9]*) : ;;
  44         esac
  45 then
  46         if test -z "$(cd ${DIR} && git diff-index --name-only HEAD)"
  47         then
  48                 VD=$(cd ${DIR} && git show --quiet --pretty="format:%ci" HEAD)
  49         else
  50                 VN="$VN-dirty"
  51         fi
  52 fi
  53
  54 if test -r $SVF
  55 then
  56         FVN=$(sed -e '/NUMBER/! d' -e 's/VERSION_NUMBER := //' < $SVF)
  57         FVD=$(sed -e '/DATE/! d' -e 's/VERSION_DATE := //' < $SVF)
  58 else
  59         FVN=undef
  60         FVD=undef
  61 fi
  62
  63 VDcmp=$(echo "$VD" | sed -e 's/\([0-9]\{2\}:[0-9]\{2\}\):[0-9.]*/\1/g')
  64 FVDcmp=$(echo "$FVD" | sed -e 's/\([0-9]\{2\}:[0-9]\{2\}\):[0-9.]*/\1/g')
  65 test "$VDcmp" = "$FVDcmp" -a "$VN" = "$FVN" || {
  66         echo >&2 "\
  67 VERSION_NUMBER := ${VN}
  68 VERSION_DATE := ${VD}"
  69         echo "\
  70 VERSION_NUMBER := ${VN}
  71 VERSION_DATE := ${VD}" > $SVF
  72 }