Updates to the esp8266/arduino repository

arduino-filter.sh

#!/bin/bash
set -e

# get a fresh copy
git clone arduino arduino-new
cd arduino-new
git remote remove origin

# untie our commmits from master IDE branch
echo "a12c6fcea253a987e2b83aca2d9f717d0d201472" > .git/info/grafts
echo "b0a05473c36a8ceb5b24079222df8dc77b5a7b8e baff76ff91b465f00dd0e5e46d1d5930a3bea0c4" >> .git/info/grafts
echo "95f969cb7cc9267a6fd27c5e48d2397a0ff557af bfafcf8c6a7bc2a3a29e1ac06a474050211276b0" >> .git/info/grafts
echo "f206d31581fc98952d561238a1cd247b515ac03e d8e22e3ca7c6e07e685f12b03a3422066724c728" >> .git/info/grafts
echo "e8789e9cb5a60b5b7c94561109a59918c4a33c21 37759286bb2eb25f59ada08c8e51d03f72230bfd" >> .git/info/grafts
echo "c540bbab007683105ce2684eefd1c6b96a092106 22ea72a2d601bb9f286875ea3c69c029e919aa8f" >> .git/info/grafts
echo "c7e363ca7b49a7b0784c034f486e428c59ba9440 edccc2c158e6c699c0cb97c57fa3737a67f9f351" >> .git/info/grafts

# remove tags
git tag | xargs git tag -d

# remove everything except things which we need
git filter-branch --index-filter 'git rm -q --cached --ignore-unmatch * &&
                                  git reset -q $GIT_COMMIT -- \
                                    hardware/arduino/esp8266 \
                                    hardware/esp8266com/esp8266 \
                                    docs \
                                    libraries/OneWire \
                                    libraries/SD' \
                                --prune-empty

# move hardware/arduino/esp8266 and hardware/esp8266com/esp8266 into root dir
# rename docs into doc
git filter-branch -f --index-filter 'git ls-files -s \
    | gsed "s|\thardware/arduino/esp8266/\(.*\)|\t\1|" \
    | gsed "s|\thardware/esp8266com/esp8266/\(.*\)|\t\1|" \
    | gsed "s|\tdocs/\(.*\)|\tdoc/\1|" \
    | GIT_INDEX_FILE=$GIT_INDEX_FILE.new git update-index --index-info \
        && mv "$GIT_INDEX_FILE.new" "$GIT_INDEX_FILE"'

# make a fresh clone which doesn't have stray objects
cd ..
git clone file://$PWD/arduino-new arduino-new-clean
du -hs arduino-new-clean