branch.sh

   1 #!/bin/sh
   2 set -e
   3 svn=http://varnish-cache.org/svn
   4 tag=varnish-2.0.6/varnish-cache
   5 branch=2.0/varnish-cache
   6 out=branch.diff
   7
   8 d=$-
   9 filter() {
  10         set -$d
  11         # Excluding files which change version or were not in dist tarball
  12         filterdiff \
  13                 -x 'nothing' \
  14                 | \
  15         # remove revno's for smaller diffs
  16         sed -e 's,^\([-+]\{3\} .*\)\t(revision [0-9]\+)$,\1,'
  17 }
  18
  19 old=$svn/tags/$tag
  20 new=$svn/branches/$branch
  21 echo >&2 "Running diff: $old -> $new"
  22 LC_ALL=C svn diff --old=$old --new=$new > $out.tmp
  23 revno=$(sed -ne 's,^[-+]\{3\} .*\t(revision \([^0][0-9]*\))$,\1,p' $out.tmp | sort -u)
  24 echo >&2 "Revision $revno"
  25 sed -i -e "1i# Revision $revno" $out.tmp
  26 filter < $out.tmp > $out.tmp2 && mv -f $out.{tmp2,tmp}
  27
  28 if cmp -s $out{,.tmp}; then
  29         echo >&2 "No new diffs..."
  30         rm -f $out.tmp
  31         exit 0
  32 fi
  33 mv -f $out{.tmp,}