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 -q "$title" ); then
                echo Yes
          commit_hash=$(git log --oneline |grep "$title"|cut -d ' ' -f 1)
          echo -n "Checking if patch $patch matches commit $commit_hash... "
          commit_md5=$(git show --stat $commit_hash -p --pretty=format:%b|md5sum|cut -d ' ' -f 1)
          patch_md5=$(sed '0,/^$/d' $absolute_patch_path|head -n -3 |md5sum|cut -d ' ' -f 1)
#         grep -oPz -- '(?s)-- ?\n[0-9.]+\n' $absolute_patch_path
          if [ $commit_md5 = $patch_md5 ]; then
                  echo 'Yes, it matches'
          else
                  echo 'NO! MISMATCH!'
                  sed '0,/^$/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
          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"