bin/get-pick-list.sh

   1 #!/bin/sh
   2
   3 # Script for generating a list of candidates for cherry-picking to a stable branch
   4 #
   5 # Usage examples:
   6 #
   7 # $ bin/get-pick-list.sh
   8 # $ bin/get-pick-list.sh > picklist
   9 # $ bin/get-pick-list.sh | tee picklist
  10 #
  11 # The output is as follows:
  12 # [nomination_type] commit_sha commit summary
  13
  14 is_stable_nomination()
  15 {
  16         git show --summary "$1" | grep -q -i -o "CC:.*mesa-stable"
  17 }
  18
  19 # Use the last branchpoint as our limit for the search
  20 latest_branchpoint=`git merge-base origin/master HEAD`
  21
  22 # Grep for commits with "cherry picked from commit" in the commit message.
  23 git log --reverse --pretty=medium --grep="cherry picked from commit" $latest_branchpoint..HEAD |\
  24         grep "cherry picked from commit" |\
  25         sed -e 's/^[[:space:]]*(cherry picked from commit[[:space:]]*//' -e 's/)//' > already_picked
  26
  27 # Grep for commits that were marked as a candidate for the stable tree.
  28 git log --reverse --pretty=%H -i --grep='^CC:.*mesa-stable' $latest_branchpoint..origin/master |\
  29 while read sha
  30 do
  31         # Check to see whether the patch is on the ignore list.
  32         if [ -f bin/.cherry-ignore ] ; then
  33                 if grep -q ^$sha bin/.cherry-ignore ; then
  34                         continue
  35                 fi
  36         fi
  37
  38         # Check to see if it has already been picked over.
  39         if grep -q ^$sha already_picked ; then
  40                 continue
  41         fi
  42
  43         if is_stable_nomination "$sha"; then
  44                 tag=stable
  45         else
  46                 continue
  47         fi
  48
  49         printf "[ %8s ] " "$tag"
  50         git --no-pager show --summary --oneline $sha
  51 done
  52
  53 rm -f already_picked