build_root=$(pwd) # vendorsetup.sh is sourced by build/envsetup.sh in root of android build tree. Hope that nobody can correctly source it not from root of android tree.
echo "Applying patches"
patches_path="$build_root/device/jsr/d10f/patches/"
pushd "$patches_path" > /dev/null
unset repos
find -type f -name '*.patch'|cut -d / -f 2-|sort
for patch in `find -type f -name '*.patch'|cut -d / -f 2-|sort`; do
    # Strip patch title to get git commit title - git ignore [text] prefixes in beginning of patch title during git am
    title=$(sed -rn "s/Subject: (\[[^]]+] *)*//p" "$patch")
    absolute_patch_path="$patches_path/$patch"
    # Supported both path/to/repo_with_underlines/file.patch and path_to_repo+with+underlines/file.patch (both leads to path/to/repo_with_underlines)
    repo_to_patch="$(if dirname $patch|grep -q /; then dirname $patch; else dirname $patch |tr '_' '/'|tr '+' '_'; fi)"

    echo -n "Is $repo_to_patch patched for '$title' ?.. "
    pushd "$build_root/$repo_to_patch" > /dev/null
    if (git log |fgrep -qm1 "$title" ); then
        echo Yes
      commit_hash=$(git log --oneline |fgrep -m1 "$title"|cut -d ' ' -f 1)
      if [ q"$commit_hash" != "q" ]; then
          echo -n "Checking if patch $patch matches commit $commit_hash... "
          commit_id=$(git format-patch -1 --stdout $commit_hash |git patch-id|cut -d ' ' -f 1)
          patch_id=$(git patch-id < $absolute_patch_path|cut -d ' ' -f 1)
#         grep -oPz -- '(?s)-- ?\n[0-9.]+\n' $absolute_patch_path
          if [ $commit_id = $patch_id ]; then
              echo 'Yes, it matches'
          else
              echo 'NO! MISMATCH!'
              sed '0,/^$/d' $absolute_patch_path|head -n -3  > /tmp/patch
              git show --stat $commit_hash -p --pretty=format:%b > /tmp/commit
              diff -u /tmp/patch /tmp/commit
              rm /tmp/patch /tmp/commit
              fi
    else
        echo "Unable to get commit hash for '$title'! Something went wrong!"
        sleep 20
    fi
    else
        echo No
        echo "Trying to apply patch $(basename "$patch") to '$repo_to_patch'"
        if ! git am $absolute_patch_path; then
            echo "Failed, aborting git am"
            git am --abort
        fi
    fi
    popd > /dev/null
done
popd > /dev/null
echo "Applying patches: done"