feat: deprecate GTS image tag and migrate to stable

.github/workflows/build-images.yml

@@ -8,9 +8,6 @@ permissions:
     id-token: write
 
 jobs:
-    build-image-gts:
-        uses: ./.github/workflows/build-image-gts.yml
-        secrets: inherit
     build-image-stable:
         uses: ./.github/workflows/build-image-stable.yml
         secrets: inherit

.github/workflows/generate-release.yml

@@ -2,20 +2,18 @@ on:
   workflow_call:
     inputs:
       stream_name:
-        description: "Release Tag (e.g. gts, stable)"
+        description: "Release Tag (e.g. stable)"
         type: string
         required: true
   workflow_dispatch:
     inputs:
       handwritten:
         description: "Small Changelog about changes in this build"
       stream_name:
-        description: "Release Tag (e.g. gts, stable)"
+        description: "Release Tag (e.g. stable)"
         required: true
         type: choice
         options:
-          - '["gts", "stable"]'
-          - '["gts"]'
           - '["stable"]'
 
 permissions:
@@ -55,7 +53,7 @@ jobs:
 
       - name: Create Release
         uses: softprops/action-gh-release@a06a81a03ee405af7f2048a818ed3f03bbf83c7b # v2
-        if: contains(fromJson('["gts", "stable"]'), matrix.version) && (github.event.schedule == '0 1 * * TUE' || contains(fromJson('["workflow_dispatch", "workflow_call"]'), github.event_name))
+        if: contains(fromJson('["stable"]'), matrix.version) && (github.event.schedule == '0 1 * * TUE' || contains(fromJson('["workflow_dispatch", "workflow_call"]'), github.event_name))
         with:
           name: ${{ steps.generate-release-text.outputs.title }}
           tag_name: ${{ steps.generate-release-text.outputs.tag }}

.github/workflows/reusable-build.yml

@@ -12,7 +12,7 @@ on:
         default: bluefin
         type: string
       stream_name:
-        description: "The Fedora Version: gts, stable, or latest"
+        description: "The Fedora Version: stable, latest, or beta"
         required: true
         type: string
       kernel_pin:

AGENTS.md

@@ -36,7 +36,7 @@ This document provides essential information for coding agents working with the
 - **Two Build Targets**: `base` (regular users) and `dx` (developer experience)
 - **Image Flavors**: main, nvidia-open
 - **Fedora Versions**: 42, 43 supported
-- **Stream Tags**: `latest` (F42/43), `beta` (F42/43), `stable` (F42), `gts` (F42 Grand Touring Support)
+- **Stream Tags**: `latest` (F42/43), `beta` (F42/43), `stable` (F42)
 - **Build Process**: Sequential shell scripts in build_files/ directory
 - **Base Images**: Uses `ghcr.io/ublue-os/silverblue-main` as foundation from Universal Blue
 
@@ -161,7 +161,6 @@ The repository uses mandatory pre-commit validation:
 ### GitHub Actions Workflows
 - `build-image-latest-main.yml` - Builds latest images on main branch changes
 - `build-image-stable.yml` - Builds stable release images
-- `build-image-gts.yml` - Builds GTS (Grand Touring Support) images
 - `build-image-beta.yml` - Builds beta images for testing F42/F43
 - `reusable-build.yml` - Core build logic for all image variants
 - `generate-release.yml` - Generates release artifacts and changelogs
@@ -170,7 +169,8 @@ The repository uses mandatory pre-commit validation:
 - `moderator.yml` - Repository moderation tasks
 
 **Workflow Architecture:**
-- Stream-specific workflows (gts, stable, latest, beta) call `reusable-build.yml`
+
+- Stream-specific workflows (stable, latest, beta) call `reusable-build.yml`
 - `reusable-build.yml` builds both base and dx variants for all flavors (main, nvidia-open)
 - Fedora version is dynamically detected based on stream tag
 - Images are signed with cosign and pushed to GHCR
@@ -252,12 +252,12 @@ The `Justfile` is the central build orchestration tool with these key recipes:
 ```bash
 images: bluefin, bluefin-dx
 flavors: main, nvidia-open
-tags: gts, stable, latest, beta
+tags: stable, latest, beta
 ```
 
 **Version Detection:**
 - `just fedora_version <image> <tag> <flavor>` - Dynamically detects Fedora version from upstream base images
-- For `gts` and `stable`: Checks `ghcr.io/ublue-os/base-main:<tag>`
+- For `stable`: Checks `ghcr.io/ublue-os/base-main:<tag>`
 - For `latest`/`beta`: Checks corresponding upstream tags
 - Returns the Fedora major version (e.g., 42, 43)
 
@@ -275,7 +275,7 @@ The `Containerfile` uses a multi-stage build process:
 - `FEDORA_MAJOR_VERSION` - Dynamically set by Just (42/43)
 - `IMAGE_NAME` - Target image name (bluefin/bluefin-dx)
 - `KERNEL` - Pinned kernel version (optional)
-- `UBLUE_IMAGE_TAG` - Stream tag (gts/stable/latest/beta)
+- `UBLUE_IMAGE_TAG` - Stream tag (stable/latest/beta)
 
 ### Build Script Execution Order
 Scripts in `build_files/base/` execute in numerical order:

Justfile

@@ -11,7 +11,6 @@ flavors := '(
     [nvidia-open]=nvidia-open
 )'
 tags := '(
-    [gts]=gts
     [stable]=stable
     [latest]=latest
     [beta]=beta
@@ -116,7 +115,7 @@ build $image="bluefin" $tag="latest" $flavor="main" rechunk="0" ghcr="0" pipelin
     # AKMODS Flavor and Kernel Version
     if [[ "${flavor}" =~ hwe ]]; then
         akmods_flavor="bazzite"
-    elif [[ "${tag}" =~ gts|stable ]]; then
+    elif [[ "${tag}" =~ stable ]]; then
         akmods_flavor="coreos-stable"
     elif [[ "${tag}" =~ beta ]]; then
         akmods_flavor="main"
@@ -627,11 +626,11 @@ generate-build-tags image="bluefin" tag="latest" flavor="main" kernel_pin="" ghc
     # Weekly Stable / Rebuild Stable on workflow_dispatch
     github_event="{{ github_event }}"
     if [[ "{{ tag }}" =~ "stable" && "${WEEKLY}" == "${TODAY}" && "${github_event}" =~ schedule ]]; then
-        BUILD_TAGS+=("stable" "stable-${version}" "stable-${version:3}")
+        BUILD_TAGS+=("stable" "stable-${version}" "stable-${version:3}" "gts" "gts-${version}" "gts-${version:3}")
     elif [[ "{{ tag }}" =~ "stable" && "${github_event}" =~ workflow_dispatch|workflow_call ]]; then
-        BUILD_TAGS+=("stable" "stable-${version}" "stable-${version:3}")
+        BUILD_TAGS+=("stable" "stable-${version}" "stable-${version:3}" "gts" "gts-${version}" "gts-${version:3}")
     elif [[ "{{ tag }}" =~ "stable" && "{{ ghcr }}" == "0" ]]; then
-        BUILD_TAGS+=("stable" "stable-${version}" "stable-${version:3}")
+        BUILD_TAGS+=("stable" "stable-${version}" "stable-${version:3}" "gts" "gts-${version}" "gts-${version:3}")
     elif [[ ! "{{ tag }}" =~ stable|beta ]]; then
         BUILD_TAGS+=("${FEDORA_VERSION}" "${FEDORA_VERSION}-${version}" "${FEDORA_VERSION}-${version:3}")
     fi
@@ -685,7 +684,7 @@ tag-images image_name="" default_tag="" tags="":
 #   > just retag-nvidia-on-ghcr latest latest-41.20250228.1 0
 #
 # working_tag: The tag of the most recent known good image (e.g., stable-daily-41.20250126.3)
-# stream:      One of latest, stable-daily, stable or gts
+# stream:      One of latest, stable-daily, or stable
 # dry_run:     Only print the skopeo commands instead of running them
 #
 # First generate a PAT with package write access (https://github.com/settings/tokens)

build_files/base/03-install-kernel-akmods.sh

@@ -88,7 +88,7 @@ kargs = ["rd.driver.blacklist=nouveau", "modprobe.blacklist=nouveau", "nvidia-dr
 EOF
 fi
 
-# ZFS for gts/stable
+# ZFS for stable
 if [[ ${AKMODS_FLAVOR} =~ coreos ]]; then
     # Fetch ZFS RPMs
     skopeo copy --retry-times 3 docker://ghcr.io/ublue-os/akmods-zfs:"${AKMODS_FLAVOR}"-"$(rpm -E %fedora)"-"${KERNEL}" dir:/tmp/akmods-zfs