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 is_typod_nomination()
  20 {
  21         git show --summary "$1" | grep -q -i -o "CC:.*mesa-dev"
  22 }
  23
  24 # Use the last branchpoint as our limit for the search
  25 latest_branchpoint=`git merge-base origin/master HEAD`
  26
  27 # Grep for commits with "cherry picked from commit" in the commit message.
  28 git log --reverse --pretty=medium --grep="cherry picked from commit" $latest_branchpoint..HEAD |\
  29         grep "cherry picked from commit" |\
  30         sed -e 's/^[[:space:]]*(cherry picked from commit[[:space:]]*//' -e 's/)//' > already_picked
  31
  32 # Grep for commits that were marked as a candidate for the stable tree.
  33 git log --reverse --pretty=%H -i --grep='^CC:.*mesa-stable\|^CC:.*mesa-dev' $latest_branchpoint..origin/master |\
  34 while read sha
  35 do
  36         # Check to see whether the patch is on the ignore list.
  37         if [ -f bin/.cherry-ignore ] ; then
  38                 if grep -q ^$sha bin/.cherry-ignore ; then
  39                         continue
  40                 fi
  41         fi
  42
  43         # Check to see if it has already been picked over.
  44         if grep -q ^$sha already_picked ; then
  45                 continue
  46         fi
  47
  48         if is_stable_nomination "$sha"; then
  49                 tag=stable
  50         elif is_typod_nomination "$sha"; then
  51                 tag=typod
  52         else
  53                 continue
  54         fi
  55
  56         printf "[ %8s ] " "$tag"
  57         git --no-pager show --summary --oneline $sha
  58 done
  59
  60 rm -f already_picked