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      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|4_3|4_4|4_5|4_6|4_7|4_8|4_9|5|6)-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 SVN=${SVN:-/usr/bin/svn}
     19 
     20 # Compute the branches which we should update.
     21 BRANCHES=`$SVN ls $SVNROOT/branches \
     22 	  | sed -e 's/\///' \
     23           | egrep 'gcc-[0-9]+(_[0-9]+)?-branch$' \
     24           | egrep -v $IGNORE_BRANCHES`
     25 # Always update the mainline.
     26 BRANCHES="${BRANCHES} ${ADD_BRANCHES}"
     27 
     28 # This is put into the datestamp files.
     29 CURR_DATE=`/bin/date +"%Y%m%d"`
     30 
     31 datestamp_FILES="gcc/DATESTAMP"
     32 
     33 
     34 # Assume all will go well.
     35 RESULT=0
     36 for BRANCH in $BRANCHES; do
     37   echo "Working on \"$BRANCH\"."
     38   # Check out the files on the branch.  HEAD is in a different namespace.
     39   if test "$BRANCH" = HEAD; then 
     40     SVNROOT2=${SVNROOT}/trunk
     41   else    
     42     SVNROOT2=${SVNROOT}/branches/${BRANCH}
     43   fi
     44 
     45   for i in $datestamp_FILES; do
     46     ${SVN} -q co -N ${SVNROOT2}/`dirname $i` `basename $i`
     47   done
     48 
     49   # There are no files to commit yet.
     50   COMMIT_FILES=""
     51 
     52   for file in $datestamp_FILES; do
     53     dirname=`basename $file`
     54     file=`basename $file`
     55     file="$dirname/$file"
     56     if test -f $file; then
     57       echo ${CURR_DATE} > $file.new
     58 
     59       if /usr/bin/cmp -s $file $file.new; then
     60 	rm -f $file.new
     61       else
     62 	mv -f $file.new $file
     63         COMMIT_FILES="$COMMIT_FILES $file"
     64       fi
     65     fi
     66   done
     67 
     68   if test -n "$COMMIT_FILES"; then
     69     for i in $COMMIT_FILES; do
     70     echo "Attempting to commit $i"
     71     if ! ${SVN} commit -m "Daily bump." $i; then
     72        # If we could not commit the files, indicate failure.
     73        RESULT=1
     74      fi
     75     done
     76   fi
     77   
     78   # Remove the files.
     79   for i in $datestamp_FILES; do
     80    rm -rf /tmp/$$/`basename $i`
     81   done
     82 done
     83 
     84 /bin/rm -rf /tmp/$$
     85 exit $RESULT
     86