branch.sh

   1 #!/bin/sh
   2
   3 # https://lists.mindrot.org/pipermail/openssh-unix-dev/2022-March/040086.html
   4
   5 set -e
   6 url=https://github.com/openssh/openssh-portable.git
   7 package=openssh
   8 tag=V_8_9_P1
   9 branch=V_8_9
  10 out=$package-git.patch
  11 repo=$package.git
  12
  13 # use filterdiff, etc to exclude bad chunks from diff
  14 filter() {
  15         cat
  16 }
  17
  18 if [ ! -d $repo ]; then
  19         git clone --bare $url -b $branch $repo
  20 fi
  21
  22 cd $repo
  23         git fetch origin +$branch:$branch +refs/tags/$tag:refs/tags/$tag
  24         git log -p --reverse $tag..$branch ":(exclude)doc/doc-*" ":(exclude)test" ":(exclude).*" | filter > ../$out.tmp
  25 cd ..
  26
  27 if cmp -s $out{,.tmp}; then
  28         echo >&2 "No new diffs..."
  29         rm -f $out.tmp
  30         exit 0
  31 fi
  32 mv -f $out{.tmp,}
  33
  34 ../md5 $package.spec
  35 ../dropin $out