branch.sh

   1 #!/bin/sh
   2 set -e
   3 svn=https://ddclient.svn.sourceforge.net/svnroot/ddclient
   4 tag=release-3.8.0
   5 out=branch.diff
   6
   7 d=$-
   8 filter() {
   9         set -$d
  10         # Excluding files which change version or were not in dist tarball
  11         filterdiff \
  12                 -x 'release/readme.txt' \
  13                 -x '.cvsignore' \
  14                 -x 'patches/*' \
  15                 | \
  16         # remove revno's for smaller diffs
  17         sed -e 's,^\([-+]\{3\} .*\)\t(revision [0-9]\+)$,\1,'
  18 }
  19
  20 old=$svn/tags/$tag
  21 new=$svn/trunk
  22 echo >&2 "Running diff: $old -> $new"
  23 LC_ALL=C svn diff --old=$old --new=$new > $out.tmp
  24 revno=$(sed -ne 's,^[-+]\{3\} .*\t(revision \([0-9]\+\))$,\1,p' $out.tmp | sort -urn | head -n1)
  25 echo >&2 "Revision $revno"
  26 [ "$revno" -gt 0 ] || exit 1
  27
  28 sed -i -e "1i# Revision $revno" $out.tmp
  29 filter < $out.tmp > $out.tmp2 && mv -f $out.{tmp2,tmp}
  30
  31 if cmp -s branch.diff{,.tmp}; then
  32         echo >&2 "No new diffs..."
  33         rm -f branch.diff.tmp
  34         exit 0
  35 fi
  36 mv -f branch.diff{.tmp,}