Enhance "generate-stackbrew-library.sh" to only take into account changes to the Dockerfile or files from COPY in the Dockerfile for choosing the commit hash for a particular directory
Enhance "generate-stackbrew-library.sh" to only take into account changes to the Dockerfile or files from COPY in the Dockerfile for choosing the commit hash for a particular directory

akerbis/armhf-buildpack-deps,vicamo/docker-buildpack-deps,infosiftr/buildpack-deps,meihuabo/buildpack-deps,yyolk/buildpack-deps-graphicsmagick,docker-library/buildpack-deps