CI/Linux: Hopefully fix Flathub release versioning

.github/workflows/linux_build_flatpak.yml

@@ -49,6 +49,13 @@ jobs:
         with:
           submodules: recursive
 
+      # Hackity hack. When running the workflow on a schedule, we don't have the tag,
+      # it doesn't fetch tags, therefore we don't get a version. So grab them manually.
+      - name: Fetch tags
+        if: inputs.publish == true
+        id: fetch-tags
+        run: git fetch --tags --no-recurse-submodules
+
       - name: Prepare Artifact Metadata
         id: artifact-metadata
         shell: bash

.github/workflows/scripts/linux/generate-metainfo.sh

@@ -12,9 +12,13 @@ GIT_DATE=$(git log -1 --pretty=%cd --date=short)
 GIT_VERSION=$(git tag --points-at HEAD)
 GIT_HASH=$(git rev-parse HEAD)
 
+if [[ "${GIT_VERSION}" == "" ]]; then
+	# In the odd event that we run this script before the release gets tagged.
+	GIT_VERSION=$(git describe --tags)
 	if [[ "${GIT_VERSION}" == "" ]]; then
 		GIT_VERSION=$(git rev-parse HEAD)
 	fi
+fi
 
 echo "GIT_DATE: ${GIT_DATE}"
 echo "GIT_VERSION: ${GIT_VERSION}"