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      1 #!/bin/sh
      2 
      3 # Script for generating a list of candidates which fix commits that have been
      4 # previously cherry-picked to a stable branch.
      5 #
      6 # Usage examples:
      7 #
      8 # $ bin/get-extra-pick-list.sh
      9 # $ bin/get-extra-pick-list.sh > picklist
     10 # $ bin/get-extra-pick-list.sh | tee picklist
     11 
     12 # Use the last branchpoint as our limit for the search
     13 latest_branchpoint=`git merge-base origin/master HEAD`
     14 
     15 # Grep for commits with "cherry picked from commit" in the commit message.
     16 git log --reverse --grep="cherry picked from commit" $latest_branchpoint..HEAD |\
     17 	grep "cherry picked from commit" |\
     18 	sed -e 's/^[[:space:]]*(cherry picked from commit[[:space:]]*//' -e 's/)//'  > already_picked
     19 
     20 # For each cherry-picked commit...
     21 cat already_picked | cut -c -8 |\
     22 while read sha
     23 do
     24 	# ... check if it's referenced (fixed by another) patch
     25 	git log -n1 --pretty=oneline --grep=$sha $latest_branchpoint..origin/master |\
     26 		cut -c -8 |\
     27 	while read candidate
     28 	do
     29 		# And flag up if it hasn't landed in branch yet.
     30 		if grep -q ^$candidate already_picked ; then
     31 			continue
     32 		fi
     33 		echo Commit $candidate references $sha
     34 	done
     35 done
     36 
     37 rm -f already_picked
     38