feat: Use yaml-rust2 to get line numbers for better errors

integration-tests/Earthfile

@@ -89,6 +89,7 @@ validate:
     RUN --no-cache bluebuild -v validate recipes/recipe-invalid.yml && exit 1 || exit 0
     RUN --no-cache bluebuild -v validate recipes/recipe-invalid-module.yml && exit 1 || exit 0
     RUN --no-cache bluebuild -v validate recipes/recipe-invalid-stage.yml && exit 1 || exit 0
+    RUN --no-cache bluebuild -v validate recipes/recipe-invalid-from-file.yml && exit 1 || exit 0
 
 legacy-base:
     FROM ../+blue-build-cli-alpine --RELEASE=false

integration-tests/test-repo/recipes/invalid-module.yml

@@ -0,0 +1,7 @@
+---
+# yaml-language-server: $schema=https://schema.blue-build.org/module-list-v1.json
+modules:
+  # Tests installing rpms from a combo image stage
+  - type: akmods
+    install: openrazer
+

integration-tests/test-repo/recipes/invalid-stages.yml

@@ -0,0 +1,37 @@
+---
+# yaml-language-server: $schema=https://schema.blue-build.org/module-stage-list-v1.json
+stages:
+  - name: ubuntu-test
+    from:
+      - ubuntu
+    modules: {}
+  - name: debian-test
+    from: debian
+    modules:
+      - from-file: stages.yml
+  - name: fedora-test
+    from: fedora
+    modules:
+      - from-file: stages.yml
+  - name: alpine-test
+    from: alpine
+    modules:
+      - from-file: stages.yml
+modules:
+  - type: files
+    files:
+      - usr: /usr
+  - type: script
+    scripts:
+      - example.sh
+    snippets:
+      - echo "test" > /test.txt
+  - type: test-module
+    source: local
+  - type: containerfile
+    containerfiles:
+      - labels
+    snippets:
+      - RUN echo "This is a snippet"
+  - type: rpm-ostree
+    install: micro

integration-tests/test-repo/recipes/recipe-invalid-from-file.yml

@@ -0,0 +1,58 @@
+---
+# yaml-language-server: $schema=https://schema.blue-build.org/recipe-v1.json
+name: cli/test
+description: This is my personal OS image.
+base-image: ghcr.io/ublue-os/silverblue-main
+image-version: 40
+stages:
+  - from-file: invalid-stages.yml
+modules:
+  - from-file: invalid-module.yml
+  - from-file: flatpaks.yml
+
+  - type: files
+    files:
+      - source: usr
+        destination: /usr
+
+  - type: script
+    scripts:
+      - example.sh
+
+  - type: rpm-ostree
+    repos:
+      - https://copr.fedorainfracloud.org/coprs/atim/starship/repo/fedora-%OS_VERSION%/atim-starship-fedora-%OS_VERSION%.repo
+    install:
+      - micro
+      - starship
+    remove:
+      - firefox
+      - firefox-langpacks
+
+  - type: signing
+
+  - type: test-module
+    source: local
+
+  - type: containerfile
+    containerfiles:
+      - labels
+    snippets:
+      - RUN echo "This is a snippet" && ostree container commit
+
+  - type: copy
+    from: alpine-test
+    src: /test.txt
+    dest: /
+  - type: copy
+    from: ubuntu-test
+    src: /test.txt
+    dest: /
+  - type: copy
+    from: debian-test
+    src: /test.txt
+    dest: /
+  - type: copy
+    from: fedora-test
+    src: /test.txt
+    dest: /