maintainer-scripts/update_version_git

   1 #!/bin/sh
   2 #
   3 # Update the current version date in all files in the tree containing
   4 # it.  Consider all single-component-version release branches except
   5 # those matching the regular expression in $IGNORE_BRANCHES, and also
   6 # consider those branches listed in the space separated list in
   7 # $ADD_BRANCHES.
   8
   9 GITROOT=${GITROOT:-"/git/gcc.git"}
  10 IGNORE_BRANCHES='releases/gcc-(.*\..*|5|6|7)'
  11 ADD_BRANCHES='master'
  12
  13 # Run this from /tmp.
  14 export GITROOT
  15 BASEDIR=/tmp/$$
  16 /bin/rm -rf "$BASEDIR"
  17 /bin/mkdir "$BASEDIR"
  18 cd "$BASEDIR"
  19
  20 GIT=${GIT:-/usr/local/bin/git}
  21
  22 # Compute the branches which we should update.
  23 BRANCHES=`(cd $GITROOT \
  24            && ${GIT} for-each-ref --format='%(refname)' \
  25                      'refs/heads/releases/gcc-*') \
  26           | sed -e 's/refs\/heads\///' \
  27           | egrep -v $IGNORE_BRANCHES`
  28 # Always update the mainline.
  29 BRANCHES="${ADD_BRANCHES} ${BRANCHES}"
  30
  31 # This is put into the datestamp files.
  32 CURR_DATE=`/bin/date +"%Y%m%d"`
  33
  34 datestamp_FILES="gcc/DATESTAMP"
  35
  36
  37 # Assume all will go well.
  38 RESULT=0
  39 SUBDIR=$BASEDIR/gcc
  40 for BRANCH in $BRANCHES; do
  41   echo "Working on \"$BRANCH\"."
  42   # Check out the files on the branch.
  43   if [ -d "$SUBDIR" ]; then
  44     cd "$SUBDIR"
  45     ${GIT} pull -q
  46     ${GIT} checkout -q "$BRANCH"
  47   else
  48     ${GIT} clone -q -b "$BRANCH" "$GITROOT" "$SUBDIR"
  49   fi
  50
  51   # There are no files to commit yet.
  52   COMMIT_FILES=""
  53
  54   cd "$SUBDIR"
  55   for file in $datestamp_FILES; do
  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 ${GIT} commit -m "Daily bump." $i; then
  72       if ! ${GIT} push origin "$BRANCH"; then
  73         # If we could not push the files, indicate failure.
  74         RESULT=1
  75       fi
  76     else
  77       # If we could not commit the files, indicate failure.
  78       RESULT=1
  79     fi
  80     done
  81   fi
  82 done
  83
  84 /bin/rm -rf $BASEDIR
  85 exit $RESULT