Better parsing of hacky diff files as part of gecko migration. r=rail
Better parsing of hacky diff files as part of gecko migration. r=rail

simar7/build-mozharness,armenzg/build-mozharness,walac/build-mozharness,walac/build-mozharness,mozilla/build-mozharness,lissyx/build-mozharness,lissyx/build-mozharness,armenzg/build-mozharness,mozilla/build-mozharness,mrrrgn/build-mozharness,simar7/build-mozharness,mrrrgn/build-mozharness