Prepare Core-Setup for repo consolidation (dotnet/core-setup#8709)

Commit migrated from https://github.com/dotnet/core-setup/commit/fd3b3421d7b901aaac28ad34e63b6480f88973d3

Commit migrated from https://github.com/dotnet/core-setup/commit/52a5513a7cd4d11fbd8d89ca8fd6f4fe07a4efd0

* update .gitignore

* Add bootstrap for buildtools and run tool

* Add dev workflow commands clean/sync for Windows

* Update supported target rids and target archs

* Compile corehost via run.exe

* Add main build.proj

* Update config.json

* Enable PkgPackage prject using buildtools

* Fix path to version.txt

* Add dir.proj for src

* Move custom tasks to root leve

* build custom tasks

* build corehost using build.cmd

* Build src packages using build.cmd

* Add custom build option to run.exe config

* Add custom task - GetBuildableFramework

* add props header

* improve BuildProjectsForNuGetPackages

* Move deps clean to its own task

* Fix lockfile publishing

* Fix ExeSuffix prop

* Fix runtime Graph generation prop

* Enable tests through run.exe

* Enable packaging for win and mac

* custom tasks sln

* start fixing tests

* Fix test paths

* firx custom task

* Generate Svg badge from msbuild

* Move GenerateMsiVersion to its own custom task

* Generate stable Guids using custom task

* Make run.sh executable

* Add clean and sync scripts for *nix

* Fixes for unix

* Enable packaging for OSX

* Generate debs part 1

* Import deb packaging targets

* Fix osx packaging

* Fix typo

* Fix RuntimeGraph. removing lower casing

* Packages debs part 2

* Minor fixes for GenerateDebs

* Complete Generate Debs

* Update versions

* Add flag to control generating deb pkgs

* Pack dotnet-deb-tool

* First version for build.sh

* Update packaging

* Add packaging to full build

* Update dependencies

* move custom tasks under build/tasks

* P.R. comments part 1

* Add ReplaceFileContents task

* Use ReplaceFileContents task

* Update .gitignore

* Fix template for shared framework

* PR feedback

* move sign.proj to root

* Update sign.proj

* Update version

* Add missing file

* Fixing the --fallbacksource to be correct.

* Fix pkg build

* Add missing Msi ugrade code and fix namesfor existing

* Moving folders

* Refactor and update versioning

* publish finalizing

* publish finalization

* Intermediate change, fixing build after merge

* Merge fixes

* Enable partial testing build, and bringing back publishing which was lost

* Publishing

* Enable hostactivationtests

* actually add publishing targets

* update gitignore

* make Bin and Packages capitalized because they're external

* update readme.md with dnvm urls

* msi version change, test fixes

* Enable publish to nuget during publishing

* Add build.sh change

* Enable tests

* Add test failure summary

* Update microsoft.netcore.app platform version testing against

* Delete xml file which shouldn't be added

* Testing changes

* Test fixes

* Minor cleanup, auto-derive test target rid if it's not specified

* Cleanup before test run to prevent failures caused after successive reruns

* Remove versions junction which breaks testing since it picks the wrong
version

* Enable linux build

* Fix linux compression, avoid "file chaned as we read it" error

* Fix linux test builds

* Test changes for Linux

* Minor fixes for Windows

* Change nuget feed for validation

* use buildtools repo

* separate run into run and init

* Use corefx style docker builds

* Use build.sourcesdirectory

* chmod +x init.sh

* add pb_gitdirectory variable

* Use inittools instead of bootstrap

* Chmod +x init-tools.sh

* Update crossgen to be +x

* Fix casing looking for platforms package

* Fix buildtoolstaskdir

* set default localbuildtoolstaskdir

* set nuget_packages when running dotnet build for src/managed projects

* set absolute path for items

* Add missing docker-as-current-user.sh script

* chmod+x the docker run scripts

* print command for debugging

* remove uneccessary debugging echo

* print debugging message

* chmod+x init-tools.sh

* Add debugging messages

* fix typo

* Fix casing

* chmod+x boostrap.sh

* Update bootstrap script

* display debug message

* Fix typo

* temporarily add dotnet-install.sh script

* Relax min req for dotnet-obtain

* relax reqs in bootstrap

* make copy verbose to debug

* Fix typo

* add -p to mkdir in bootstrap

* Add another -p to mkdir in bootstrap

* try to fix exit code check

* bootstrap verbose

* Use wget as a fallback for distros without curl

* misc fixes

* make crossgen optional based on existence of script

* Add nuget default timeout

* Add default containername

* Remove verbose option from bootstrap call

* only publish corehost packages if finalization has completed

* Check in updated linux build def

* update docker tags

* pass distrorid for publishing

* Fix definition name

* Generate version assets

* buildpipeline changes, enabling windows

* Add target to build traversal build dependencies

* Add tools-override copy to init-tools

* Change roslyn version

* Fix building traversal build dependencies logic

* Create the version info file

* Add hook to opt out of including all runtime packages for testing purposes

* absolute paths to prevent build break when building a sub project from a
different working directory

* copy custom task dependency to local task directory

* Add platformabstractions to custom-task dependencies

* try adding back temp folder

* dotnet restore for tests requires nugetfallbackfolder be present

* set test rid with targetarchitecture

* Add windows builds

* hack the osx distrorid

* use packagetargetrid for sharedframework project

* Publish packagetargetrid

* Remove osx.10.12 from packagetargetrid change list

* Remove hack, not needed now that packagetargetrid is fixed

* Add osx

* misc build changes

* rename compression -> packaging, and some portable build changes

* misc merge changes

* Update dependency versions

* Enable portable linux build

* update to netci.groovy

* Remove -targets qualifier from netci.groovy

* run parses parameter/values with = separator

* set unrestricted execution policy when calling powershell

* move wix toolset extraction into msbuild so we don't have a dependency on
powershell v5.0+

* print slightly more debug info

* switch path separator char

* Custom zipfileextracttodirectory task

* Add references for compression task

* Don't delete destination directory

* remove branched zip extraction task

* tweak the groovy file to make testing easier

* change disable to disabled

* Change ci platform build list

* load sln's even if buildtools isn't restored

* Allow loading sln's even if buildtools not restored

* hack osx rid

* Fix typo


Commit migrated from https://github.com/dotnet/core-setup/commit/6887ab556bc8302390782711dcdd75b75e769cf5