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update_version_svn revision 1.1 
      1 #!/bin/sh
      2 #
      3 # Update the current version date in all files in the tree containing
      4 # it.  Consider all release branches except those matching the regular
      5 # expression in $IGNORE_BRANCHES, and also consider those branches listed
      6 # in the space separated list in $ADD_BRANCHES.
      7 
      8 SVNROOT=${SVNROOT:-"file:///svn/gcc"}
      9 IGNORE_BRANCHES='gcc-(2_95|3_0|3_1|3_2|3_3|3_4|4_0|4_1|4_2)-branch'
     10 ADD_BRANCHES='HEAD'
     11 
     12 # Run this from /tmp.
     13 export SVNROOT
     14 /bin/rm -rf /tmp/$$
     15 /bin/mkdir /tmp/$$
     16 cd /tmp/$$
     17 
     18 # The path to cvs.
     19 SVN=${SVN:-/usr/bin/svn}
     20 
     21 # Compute the branches which we should update.
     22 BRANCHES=`$SVN ls $SVNROOT/branches \
     23 	  | sed -e 's/\///' \
     24           | egrep 'gcc-[0-9]+_[0-9]+-branch$' \
     25           | egrep -v $IGNORE_BRANCHES`
     26 # Always update the mainline.
     27 BRANCHES="${BRANCHES} ${ADD_BRANCHES}"
     28 
     29 # ARGS is passed to 'cvs co'
     30 CURR_DATE=`/bin/date +"%Y%m%d"`
     31 
     32 # version is all there is
     33 datestamp_FILES="gcc/DATESTAMP"
     34 
     35 FILES="$datestamp_FILES"
     36 
     37 # Assume all will go well.
     38 RESULT=0
     39 for BRANCH in $BRANCHES; do
     40   echo "Working on \"$BRANCH\"."
     41   # Check out the files on the branch.  HEAD is a special case; if
     42   # you check out files with -r HEAD, CVS will not let you check 
     43   # in changes.
     44   if test "$BRANCH" = HEAD; then 
     45     for i in $FILES; do
     46       ${SVN} -q co -N ${SVNROOT}/trunk/`dirname $i` `basename $i`
     47     done
     48   else
     49     for i in $FILES; do
     50       ${SVN} -q co -N ${SVNROOT}/branches/${BRANCH}/`dirname $i` `basename $i`
     51     done
     52   fi
     53 
     54   # There are no files to commit yet.
     55   COMMIT_FILES=""
     56 
     57   for file in $datestamp_FILES; do
     58     dirname=`basename $file`
     59     file=`basename $file`
     60     file="$dirname/$file"
     61     if test -f $file; then
     62       echo ${CURR_DATE} > $file.new
     63 
     64       if /usr/bin/cmp -s $file $file.new; then
     65 	rm -f $file.new
     66       else
     67 	mv -f $file.new $file
     68         COMMIT_FILES="$COMMIT_FILES $file"
     69       fi
     70     fi
     71   done
     72 
     73   if test -n "$COMMIT_FILES"; then
     74     for i in $COMMIT_FILES; do
     75     echo "Attempting to commit $i"
     76     if ! ${SVN} commit -m "Daily bump." $i; then
     77        # If we could not commit the files, indicate failure.
     78        RESULT=1
     79      fi
     80     done
     81   fi
     82   
     83   # Remove the files.
     84   for i in $FILES; do
     85    rm -rf /tmp/$$/`basename $i`
     86   done
     87 done
     88 
     89 /bin/rm -rf /tmp/$$
     90 exit $RESULT
     91