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 $ADD_BRANCHES.
7
8SVNROOT=${SVNROOT:-"file:///svn/gcc"}
9IGNORE_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)-branch'
10ADD_BRANCHES='HEAD'
11
12# Run this from /tmp.
13export SVNROOT
14/bin/rm -rf /tmp/$$
15/bin/mkdir /tmp/$$
16cd /tmp/$$
17
18SVN=${SVN:-/usr/bin/svn}
19
20# Compute the branches which we should update.
21BRANCHES=`$SVN ls $SVNROOT/branches \
22	  | sed -e 's/\///' \
23          | egrep 'gcc-[0-9]+_[0-9]+-branch$' \
24          | egrep -v $IGNORE_BRANCHES`
25# Always update the mainline.
26BRANCHES="${BRANCHES} ${ADD_BRANCHES}"
27
28# This is put into the datestamp files.
29CURR_DATE=`/bin/date +"%Y%m%d"`
30
31datestamp_FILES="gcc/DATESTAMP"
32
33
34# Assume all will go well.
35RESULT=0
36for BRANCH in $BRANCHES; do
37  echo "Working on \"$BRANCH\"."
38  # Check out the files on the branch.  HEAD is in a different namespace.
39  if test "$BRANCH" = HEAD; then 
40    SVNROOT2=${SVNROOT}/trunk
41  else    
42    SVNROOT2=${SVNROOT}/branches/${BRANCH}
43  fi
44
45  for i in $datestamp_FILES; do
46    ${SVN} -q co -N ${SVNROOT2}/`dirname $i` `basename $i`
47  done
48
49  # There are no files to commit yet.
50  COMMIT_FILES=""
51
52  for file in $datestamp_FILES; do
53    dirname=`basename $file`
54    file=`basename $file`
55    file="$dirname/$file"
56    if test -f $file; then
57      echo ${CURR_DATE} > $file.new
58
59      if /usr/bin/cmp -s $file $file.new; then
60	rm -f $file.new
61      else
62	mv -f $file.new $file
63        COMMIT_FILES="$COMMIT_FILES $file"
64      fi
65    fi
66  done
67
68  if test -n "$COMMIT_FILES"; then
69    for i in $COMMIT_FILES; do
70    echo "Attempting to commit $i"
71    if ! ${SVN} commit -m "Daily bump." $i; then
72       # If we could not commit the files, indicate failure.
73       RESULT=1
74     fi
75    done
76  fi
77  
78  # Remove the files.
79  for i in $datestamp_FILES; do
80   rm -rf /tmp/$$/`basename $i`
81  done
82done
83
84/bin/rm -rf /tmp/$$
85exit $RESULT
86