consolidate and streamline build (#2469)

* consolidate and streamline build

* fix workflow syntax

* fix workflow syntax

* fix workflow syntax

* fix workflow syntax

* fix build scripts

* only build platform-specific system images

* fix build script

* more build fixes

* fix

* fix compat build for x86

* wat

* checkout

* Prevent rebuild of compiled artifacts

* Update startos-iso.yaml

* Update startos-iso.yaml

* fix raspi build

* handle missing platform better

* reduce arm vcpus

* remove arch and platform from fe config, add to patch db

---------

Co-authored-by: Matt Hill <mattnine@protonmail.com>

basename.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
+PLATFORM=$(if [ -f ./PLATFORM.txt ]; then cat ./PLATFORM.txt; else echo unknown; fi)
+VERSION="$(cat ./VERSION.txt)"
+GIT_HASH="$(cat ./GIT_HASH.txt)"
+if [[ "$GIT_HASH" =~ ^@ ]]; then
+  GIT_HASH=unknown
+else
+  GIT_HASH="$(echo -n "$GIT_HASH" |  head -c 7)"
+fi
+STARTOS_ENV="$(cat ./ENVIRONMENT.txt)"
+VERSION_FULL="${VERSION}-${GIT_HASH}"
+if [ -n "$STARTOS_ENV" ]; then
+  VERSION_FULL="$VERSION_FULL~${STARTOS_ENV}"
+fi
+
+echo -n "startos-${VERSION_FULL}_${PLATFORM}"