build nightly casync build in jenkins (#31880)

* casync in jenkins

* rename some stuff, add a readme

* slightly better names

* clean

* more cleanup

* cleaner

* release3 staging too

* always rm the signed version

* cleanups

* in build dir

* better name

* simpler

* more

* divider

* built

* build

* and contains

* add channel description

* and git branches

* and build required

* move this up

* these are terms

* updates

* 3/3x

* bullets

* wording

* version metadata

* git type

* more channel -> release

* more build

* just release

* more channel to release

* also fix jenkins

* use build_metadata

* fix normailzed

* also normalized

* and here

* use build_metadata

* dont commit that

* don't touch the git stuff

* branch

* don't need that

* or that

* improved names

* build_metadata

* use this instead

* fix

* build

* test nightly build again

* fix

* fixes

* Revert "test nightly build again"

This reverts commit be5e7aa7089bfc0947c9b2b484d0277c109ee089.

release/create_prebuilt.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/bash -e
+
+# runs on tici to create a prebuilt version of a release
+
+set -ex
+
+BUILD_DIR=$1
+
+cd $BUILD_DIR
+
+# Build
+export PYTHONPATH="$BUILD_DIR"
+
+rm -f panda/board/obj/panda.bin.signed
+rm -f panda/board/obj/panda_h7.bin.signed
+
+if [ -n "$RELEASE" ]; then
+  export CERT=/data/pandaextra/certs/release
+fi
+
+scons -j$(nproc)
+
+# Cleanup
+find . -name '*.a' -delete
+find . -name '*.o' -delete
+find . -name '*.os' -delete
+find . -name '*.pyc' -delete
+find . -name 'moc_*' -delete
+find . -name '__pycache__' -delete
+rm -rf .sconsign.dblite Jenkinsfile release/
+rm selfdrive/modeld/models/supercombo.onnx
+
+# Mark as prebuilt release
+touch prebuilt