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Merge Prompt and Report
2026-09-28 08:34:13 +02:00

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Strict Qt6 Migration Prompt: Merge of feature/migrate-lts-projects-and-application (+ contained feature/migrate-lts-tools-d-and-l), cherry-pick 5501d1e50, and feature/qt6-migration-basis-modules-merge-viewer-validation

This prompt is binding task context. Keep changes minimal, scoped, and reproducible. The only allowed outcome is a branch feature/qt6-migration-projects-app-tools-viewer-validation that contains, in order:

  1. a cherry-pick commit of 5501d1e50 (origin/bugfix/dds-fix-pre-existing-errors), and
  2. a merge commit with parents origin/feature/migrate-lts-projects-and-application and origin/feature/qt6-migration-basis-modules-merge-viewer-validation

— such that the result contains the full work of feature/migrate-lts-tools-d-and-l, feature/migrate-lts-projects-and-application, the cherry-picked commit, and the viewer-validation branch, and preserves the legacy code behavior of every migrated file.

Required base prompts

Before making changes, read and apply:

  • ./prompts/combined-migration-subfolder-rti-compact.prompt.md
  • ./prompts/commit-policy.prompt.md (repository mapping, pre-commit checks, per-repo commits)

If a base prompt is stricter, follow it. This prompt overrides it only for:

  • build variants: use ON variants only for BUILD_RTI/BUILD_GRANTLEE, never OFF
  • commit message format: max 2 lines, no co-author/co-authored-by/bot attribution lines (see "Commits")

Task

Produce the result branch from three inputs (the tools branch is already contained — see below — so exactly two operations are performed: one cherry-pick, one merge):

  • ours (merge target base): feature/migrate-lts-projects-and-application remote tip at prompt writing (2026-09-27): b18844a20 ("Document GROUP10 validation results", Torsten Wierschin, 2026-09-25)
  • tools branch (verification only — already contained): feature/migrate-lts-tools-d-and-l remote tip at prompt writing: 2b8f3f02c ("Add Group 9 (R,S,T,V,W) LTS Tools migration support", 2026-09-24). Verified 2026-09-27: git merge-base origin/feature/migrate-lts-tools-d-and-l origin/feature/migrate-lts-projects-and-application equals the tools tip 2b8f3f02c — the tools branch is an ancestor of the projects tip. No merge is needed; the procedure below only verifies the containment.
  • cherry-pick: 5501d1e50 ("Qt6 Migration: Update stub headers to include generated files", Torsten Wierschin, 2026-09-22) — the tip of origin/bugfix/dds-fix-pre-existing-errors (single commit after its fork point 0997dcba7)
  • theirs (branch to merge in): feature/qt6-migration-basis-modules-merge-viewer-validation remote tip at prompt writing: 9c1ac7cbe ("Merge feature/lts-viewer-validation-testing-phase into feature/qt6-migration-basis-modules-merge", berrux_dev, 2026-09-27)
  • merge base (projects × viewer-validation): fd3e5e838 ("Add --build-viewer-only option to skip Groups 1-4 and build Viewer targets only", 2026-09-23)
  • result branch: feature/qt6-migration-projects-app-tools-viewer-validation (does not exist yet; create it from origin/feature/migrate-lts-projects-and-application)

All work happens in the repository ./qt-migration-legatus (it is a separate git repository; never commit its changes into the workspace root or the legacy repository).

Branches and trees

Working repository:

  • ./qt-migration-legatus

Trees:

  • Legacy Qt5 source tree (read-only reference, never modify): ./qt-migration-legatus/qt5-before/qt5-legatus-legacy
  • Qt6 target tree (the only tree that is modified): ./qt-migration-legatus/qt6-after/qt6-migrated-legatus

Before starting:

  1. git fetch origin in ./qt-migration-legatus.
  2. Verify all four refs still match the hashes above:
    • git rev-parse origin/feature/migrate-lts-projects-and-application → b18844a20
    • git rev-parse origin/feature/migrate-lts-tools-d-and-l → 2b8f3f02c
    • git rev-parse origin/bugfix/dds-fix-pre-existing-errors → 5501d1e50
    • git rev-parse origin/feature/qt6-migration-basis-modules-merge-viewer-validation → 9c1ac7cbe
  3. Re-verify the tools containment: git merge-base --is-ancestor origin/feature/migrate-lts-tools-d-and-l origin/feature/migrate-lts-projects-and-application must exit 0. If any tip moved or the containment check fails, recompute the merge base, re-run the dry run (step 3 of the procedure), and record the new state before touching anything.
  4. Verify the working tree of ./qt-migration-legatus is clean (git status --short). Do not overwrite uncommitted user changes; if they block safe work, report the blocker. (Known state at prompt writing: the main worktree is on feature/qt6-migration-basis-modules-merge-viewer-validation at 9c1ac7cbe, clean.)

What each side contains

Understand all three inputs before resolving anything. The result must keep the work of ALL of them.

projects side (ours, 8 commits after the merge base, 47 files):

  • 9f0076a19 — LTS Tools Group 6 (D&L directories) Qt6 migration: GROUP6_TARGETS (dbAdministration, SettingsRemover, dbUpdate, tDataSampleGenerator, tDataSampleReceiver, DateTimeSyncer, ddsview, displayPanelSimulator, LicenceEditor, localDomainFinder, LogViewer)
  • db8adbfe3 — Tools Group 7 (A,B,C,E,I directories)
  • 1e1a3e6f3 — Group 8 (J,M,N,P,Q) build script support + CTest infrastructure (34 files under tests/: tests/CMakeLists.txt + test_<Tool>.cpp registrations)
  • 2b8f3f02c — Tools Group 9 (R,S,T,V,W) — this is the tip of feature/migrate-lts-tools-d-and-l (the "alle Tools" branch); Groups 6–9 together are the complete LTS Tools migration
  • 168d03866 — GROUP10 (LTS Projects: 9 project plugin targets — ProjectGuezPlugin, ProjectQatarMOUTPlugin, ProjectQatarPlugin, ProjectLegatusPlugin, ProjectDemoPlugin, ProjectL400P2Plugin, ProjectComMasterPlugin, ProjectAhtcPlugin, ProjectEtsPlugin) and GROUP11 (LTS Application: OperatorApplication, thp_viewer, aarApp)
  • 97a9992ce / 4d6bef5fa — GROUP7–11 default initializations + Docker env passthrough (-e BUILD_GROUP6..11)
  • b18844a20 — GROUP10_VALIDATION_RESULTS.md: GROUP10 validated with BUILD_RTI=ON BUILD_GRANTLEE=ON BUILD_ARCGIS=ON; GROUP11 blocked by a pre-existing svcPdmClient (Services/ProjectDataManagement) Qt6 MOC failure (base state, see "Tests")
  • touched Lts/Tools/{ConfigX,DBAdministration,DBUpdate,ProjectSettingsEditor} sources (Qt6 fixes) and new_docker_build.sh (+186/−1: Groups 6–11 usage/env/arg-parsing, GROUP6–11 target arrays, run_build_group calls, log_group lines for Groups 7–11 — Group 6 has no log_group line on this side)

viewer-validation side (theirs, 52 commits after the merge base, 1313 files):

  • the full feature/qt6-migration-basis-modules-merge work: complete Qt6/rtiddsgen 7.7 migration of residual Lts services/proxies/plugins (incl. the ProjectDataManagement service sources — a41001955), codegen fixes, Qt6::SerialPort IMPORTED target, GROUP3 full migrated-service target set (~200 targets incl. per-service tests and the PDM block svcPdmCommon/Client/Server, svcProjectDataManagement, pdmTests)
  • docker-script unification: new_docker_build.sh single validation script (docker_build.sh deleted and must stay deleted), consolidated single GROUP4 array (DDS tests ddsGenericDataTests/ddsDataTopicTests/ddsFunctionTopicTests + Lts/Proxies) and single Group-4 run_build_group call, --cmake_build_flags option, prebuilt image legatus-qt6-prebuilt:latest
  • viewer-validation features: --build-viewer-only, --codification, KDReports-qt6 detection (cmake/FindKDReports.cmake), build-parts BUILD_SV/WS/AAR, LtsDataViewTest/LtsFileDialogTest auto-exit adaptations (CI QTimer 1000 ms, QT_QPA_PLATFORM=offscreen, TIMEOUT 30)
  • stub relocation (4223ca2ff): the include/*/*_dtc.h stub headers were moved from qt6-after/qt6-migrated-legatus/include/ to qt6-after/qt6-migrated-legatus/.forward-declarations/include/ — 111 files deleted from the old location; BUILD_STATUS_REPORT.md added
  • follow-up fixes: ci/allowed_signers principal format (e748e82c8), record_replay fromQVariant + PPM MOC exclusion (36f077bce), viewer-validation merge (c664611b8 + 9c1ac7cbe)

cherry-pick 5501d1e50 (1 commit, 40 files): updates the 38 stub headers (include/*/*_dtc.h + pdm_enums.hpp + ppm.hpp + include/ParticipantManagement/ ppm_types.h) so they include the generated files from build4/Lts/Proxies/*, updates the real service source Lts/Services/ParticipantManagement/ppm_types.h, and adds BUILD_STATUS_REPORT.md. Note on the service source: the viewer-validation side made the same change to it (both sides converge to byte-identical content at their tips — verified 2026-09-27), so it auto-merges cleanly (it is not among the dry-run conflicts). Supersession fact (verified 2026-09-27): the viewer-validation side already carries the same change as 4223ca2ff (same author, same subject) applied to the relocated .forward-declarations/include/ location: for include/FileManagement/flm_dtc.h and include/ParticipantManagement/ppm_types.h the patches are byte-identical except the path prefix, and the final content of ppm_types.h at the theirs tip equals the content produced by 5501d1e50. BUILD_STATUS_REPORT.md is byte-identical between 5501d1e50 and the theirs tip. See "Cherry-pick handling".

Cherry-pick handling (5501d1e50) — required sequence

The cherry-pick must exist as a commit in the result history (do not merely document it as superseded and skip it). Perform it FIRST, onto the clean projects base, where it applies cleanly (verified 2026-09-27: git cherry-pick 5501d1e50 onto b18844a20 succeeds without conflicts, producing commit e07bc9a91 in the test run):

  1. git cherry-pick -n -x 5501d1e50 (no conflicts expected; if any, stop and report — it applied cleanly on 2026-09-27)
  2. Commit it signed, keeping the original author (Torsten Wierschin — the author of the work; git cherry-pick already sets the author from the source commit; do not reset it), with the original subject and body minus the Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> line (repository policy: no co-author/co-authored-by/bot attribution lines), and with the cherry-pick reference line ((cherry picked from commit 5501d1e50...)) kept. Max 2 lines of your own wording do not apply to the body of a cherry-picked message — the original body is preserved verbatim (minus the bot line) so the change stays attributable.
  3. Only then start the merge (step 4 of the procedure).

Consequence of this order (verified by dry run 2026-09-27): the subsequent merge produces 24 modify/delete conflicts on the old-location stub files (modified by the cherry-pick on ours side, deleted by the relocation on theirs side). Their resolution is mechanical and safe — keep the deletion — because the updated content already exists at the new location. Before resolving, verify that per file (record any MISMATCH as a blocker):

MB=qt6-after/qt6-migrated-legatus
for f in $(git diff --name-only --diff-filter=U | grep '^qt6-after/qt6-migrated-legatus/include/'); do
  rel=${f#$MB/include/}
  git show origin/feature/qt6-migration-basis-modules-merge-viewer-validation:"$MB/.forward-declarations/include/$rel" > /tmp/newloc 2>/dev/null || { echo "MISSING-NEW-LOC: $f"; continue; }
  git show 5501d1e50:"$f" > /tmp/oldloc
  cmp -s /tmp/oldloc /tmp/newloc || echo "MISMATCH: $f"
done

Then resolve each with git rm <file> (keep deletion; the .forward-declarations/ copy is the canonical one). The 24 expected files (dry run 2026-09-27): {AlarmManagement/alm, AreaEffectSimulation/aes, AssetManagement/asm, AudioVideoManagement/avm, Buildings/bld, CentralEffectSimulation/ces, ComponentMonitor/cmo, Core/core, EffectShowClient/esc, EffectShowManagement/esm, Evaluations/evl, ExerciseManagement/exm, GuezIedManagement/gim, GuezNasat/gna, NotificationManagement/nom, OcSituationServer/oss, ScenarioManagement/scm, SituationReplay/srp, SituationReplayManagement/srm, Skeleton/skl, SoundManagement/som, TrainingAreaBase/tab, TrainingAreaBaseOC/taboc}_dtc.h plus ProjectDataManagement/pdm_enums.hpp.

The other 14 cherry-pick stub files ({CodificationManagement/cod, ExerciseEventManagement/eem, FileManagement/flm, InfrastructureManagement/ism, MeteoDataManagement/mdm, MarkerManagement/mrk, Messaging/msg, OperatorManagement/opm, PresentationManagement/pre, ReportManagement/rep, TargetManagement/tgt, WarehouseGuez/whg}_dtc.h + ParticipantManagement/ppm.hpp + ParticipantManagement/ppm_types.h) were not relocated by the theirs side, so they stay at the old include/ location with the cherry-pick's update — expected outcome, do not "fix" it (the old include/ tree legitimately remains in the tree; relocated copies also exist at the new location for them — pre-existing pattern on the theirs side).

Known conflict surface (dry run 2026-09-27)

A dry run of the full sequence (cherry-pick onto b18844a20, then git merge --no-commit --no-ff origin/feature/qt6-migration-basis-modules-merge-viewer-validation in a throwaway worktree) found:

  • 1 content conflict (UU): qt6-after/qt6-migrated-legatus/new_docker_build.sh (3 conflict hunks — recipe below)
  • 24 modify/delete conflicts (UD): the old-location stub files listed above
  • auto-merged (verified in the dry run, keep as-is unless a check below fails):
    • new_docker_build.sh all other regions: GROUP3_TARGETS = theirs' expanded 179-target service set (incl. the PDM block), single consolidated GROUP4_TARGETS (DDS tests + Proxies), the four-way GROUP5 conditional (BUILD_ARCGIS × BUILD_VIEWER_ONLY), the GROUP6–11 arrays + run_build_group calls for Groups 1,4,2,3,5,6,7,8,9,10,11, the BUILD_GROUP6..11 container defaults (1–3 ON, 4–11 OFF), the -e BUILD_GROUP1..11 docker passthrough, and the BUILD_VIEWER_ONLY switch block
    • qt6-after/qt6-migrated-legatus/tests/CMakeLists.txt (both sides changed it: theirs' test additions + ours' 34 tool-test registrations — verify after the merge that both sets of registrations are present)
    • BUILD_STATUS_REPORT.md (byte-identical on both sides → no conflict)
    • Lts/Services/ParticipantManagement/ppm_types.h (cherry-pick's change on ours side converges to byte-identical content with the theirs-side change → no conflict; verify after the merge that the merged content equals the content at 5501d1e50)
    • all 1313 theirs-side files (services/proxies/viewer rewrites, .forward-declarations/ tree, BUILD_STATUS_REPORT.md)

Re-run the dry run after the fetch and treat its output as authoritative; the list above is the expected starting point. If the dry run shows additional conflicts, resolve them with the four-version method (see below) and record them in the final report.

Conflict resolution rules

These rules exist to guarantee: the merged tree keeps all three inputs' functionality and no file's behavior deviates from the legacy Qt5 behavior beyond the approved Qt6/C++17/rtiddsgen adaptations.

General:

  • Resolve semantically, never mechanically. For every conflicted hunk read four versions: the merge-base version, ours, theirs, and the legacy Qt5 equivalent (for new_docker_build.sh there is no legacy counterpart — pure Qt6 build machinery — so use the merge-base version as the third reference).
  • Never take ours or theirs wholesale unless you prove the losing side had no unique changes: git diff <merge-base>..theirs -- <file> (or ..ours) must show nothing that the kept version lacks. Record the proof in the final report.
  • No behavior-changing edits beyond the merge itself. No refactoring, no style cleanup, no warning suppression, no new features.

new_docker_build.sh (the single content conflict) — required merge recipe, 3 hunks:

  1. Usage text (~line 48): keep OURS' six --group6 … --group11 usage lines AND THEIRS' corrected --build-viewer-only line (Build only Viewer module targets (skip Groups 1-4, implies --group5 --codification; ctest runs)) — do not keep ours' stale --build-viewer-only line (… implies --group5 --no-ctest), which contradicts the handler (it sets RUN_CTEST=ON; the corrected theirs line was already validated in the viewer-validation merge).
  2. export line (~line 898): union of both lists, i.e. exactly: export BUILD_ALL BUILD_RTI BUILD_GRANTLEE BUILD_ARCGIS BUILD_CODIFICATION BUILD_GROUP1 BUILD_GROUP2 BUILD_GROUP3 BUILD_GROUP4 BUILD_GROUP5 BUILD_GROUP6 BUILD_GROUP7 BUILD_GROUP8 BUILD_GROUP9 BUILD_GROUP10 BUILD_GROUP11 BUILD_VIEWER_ONLY RUN_CTEST TESTS_ONLY INTEGRATION_TEST USE_PREBUILT_IMAGE BUILD_PREBUILT_IMAGE DELETE_PREBUILT_IMAGE DOCKER_IMAGE CMAKE_BUILD_FLAGS
  3. log_group banner lines (~line 1053): keep THEIRS' lines for Groups 1, 2, 3 (the corrected Build Group 3 (application + service targets) label), 4 (Build Group 4 (DDS tests + Proxies)) and 5 (Build Group 5 (Viewer)), plus OURS' lines for Groups 7, 8, 9, 10, 11, in that order. Optionally (text-only, non-behavioral) add the missing ours-side Group 6 line log_group "Build Group 6 (LTS Tools)" "$BUILD_GROUP6" so every group with a run_build_group call has a banner line — record if added.

Post-resolution script checks (record in the final report):

  • bash -n on the host script and on the extracted container-side script
  • --help renders and lists --group6..--group11, --build-viewer-only, --codification, --cmake_build_flags; an unknown option is still rejected
  • target-set check: GROUP3_TARGETS = 179 targets and still contains the PDM block (svcPdmCommon/Client/Server, svcProjectDataManagement, pdmTests); GROUP4_TARGETS single array containing ddsGenericDataTests, ddsDataTopicTests, ddsFunctionTopicTests; GROUP5 four-way conditional intact; GROUP6–11 arrays, run_build_group calls, container defaults and -e passthrough all present
  • the BUILD_VIEWER_ONLY block still switches Groups 1–4 OFF / Group 5 ON before the run_build_group calls (Groups 6–11 remain OFF by default in that mode)
  • the prebuilt image name is legatus-qt6-prebuilt:latest everywhere (no second name); no reference to docker_build.sh remains; the container-side script still starts with set -euo pipefail

CMake conflicts: none in the dry run. If the re-run shows new CMake conflicts (e.g. in tests/CMakeLists.txt): take the union of both sides' targets, dependencies, include directories, and link libraries; keep the Qt6::SerialPort manual IMPORTED target and the GROUP5/Viewer wiring (theirs) side by side with the GROUP6–11 tool-test registrations (ours). After resolving, verify with a fresh configure that both sides' targets/options exist.

Mandatory build variants

Only these variants are valid:

  • BUILD_RTI=ON
  • BUILD_GRANTLEE=ON

Forbidden: BUILD_RTI=OFF, BUILD_GRANTLEE=OFF.

  • Do not implement, fix, preserve, test, or validate OFF variants of BUILD_RTI/BUILD_GRANTLEE. Do not add CMake logic, tests, stubs, or fallbacks for them. Validation must use BUILD_RTI=ON and BUILD_GRANTLEE=ON.
  • BUILD_ARCGIS: the projects side validated GROUP10/GROUP11 with BUILD_ARCGIS=ON (GROUP10_VALIDATION_RESULTS.md) and external/ArcGIS/MapsSDK_Qt_300.0.0 exists at the pipeline root (mounted to the container's /workspace/external). Use BUILD_ARCGIS=ON in the coverage run that builds GROUP10/GROUP11 (run 2 below) and leave it at its default OFF in the other runs. This is not an RTI/Grantlee OFF variant; the prohibition above does not apply.
  • The viewer-validation side options BUILD_VIEWER_ONLY (default OFF), BUILD_CODIFICATION (default OFF), BUILD_SV/BUILD_WS/BUILD_AAR (default ON) and the projects side BUILD_GROUP6..11 (default OFF) are design features: keep their defaults and semantics as-is; do not flip them.

Preservation rules

Preserve module removals from commit 92ad7d468 ("remove all unneeded module listed from Niklas"): do not restore removed modules, files, targets, directories, or dependencies — on any side.

Preserve LogViewer reinsert from commit 1fa789767 ("Added LogViewer again"): do not remove, disable, or break LogViewer integration. Note: LogViewer is a GROUP6 target on the projects side — it must survive in GROUP6_TARGETS after the merge.

Preserve prior IDL warning fixes from commit be912de9d: do not reintroduce multiple enum definitions, duplicate enumerators, or builtin type/keyword collisions.

Preserve the ON-variant-only decisions already made on all branches.

Preserve the docker-script unification: docker_build.sh stays deleted; new_docker_build.sh remains the single validation script; the GROUP3 service target set, the consolidated GROUP4 array, the GROUP6–11 groups, and the viewer-only/ codification options all survive the script merge (see the merge recipe above).

Preserve the stub relocation decision: the .forward-declarations/ tree is the canonical location for relocated stubs; the 24 old-location stubs deleted by the viewer-validation side stay deleted (see "Cherry-pick handling"); the 14 non-relocated cherry-picked stubs stay at the old include/ location.

Preserve the projects side artifacts: the 34 tests/* tool-test files and their tests/CMakeLists.txt registrations, GROUP10_VALIDATION_RESULTS.md, and the Lts/Tools/{ConfigX,DBAdministration,DBUpdate,ProjectSettingsEditor} Qt6 fixes.

Stubs and forward declarations

Any required existing stub, compatibility declaration, or forward declaration must live only under:

  • ./qt-migration-legatus/qt6-after/qt6-migrated-legatus/forward-declarations/

  • ./qt-migration-legatus/qt6-after/qt6-migrated-legatus/.forward-declarations/include/

  • Do not leave such files in service directories unless they are real service source files.

  • Do not create or keep stubs for forbidden OFF variants.

  • Do not use stubs as replacements for real RTI, ndsgen, KTextTemplate, or Grantlee outputs in ON builds.

  • Report every moved, removed, or newly referenced stub/forward declaration.

  • This merge resolves 24 stub files to deletion (keep-theirs) and leaves 14 updated stubs at the old include/ location (pre-existing pattern) — both are the intended outcomes; see "Cherry-pick handling".

Qt link rules

No active target in the merged tree may link Qt5 imported targets.

Search the merged tree for and fix active uses of: Qt5::, find_package(Qt5, QT5_, Qt5Core, Qt5Widgets, Qt5Network.

Regression check specific to this merge: the projects side touched tests/CMakeLists.txt, Lts/Tools/* sources and new_docker_build.sh; the viewer-validation side touched cmake infrastructure (cmake/NGLMacros.cmake, cmake/FindKDReports.cmake, root CMakeLists.txt). After the merge, re-run the search over ALL files touched by the merge (auto-merged files included), not just the conflicted ones; the legacy QT5_WRAP_UI/QT5_ADD_RESOURCES function-name calls (compat shim) are allowed and pre-exist on both sides — imported-target links are not.

Legacy comparison (required validation step)

This step proves the merge did not change code behavior.

For every file you edit during conflict resolution (expected: new_docker_build.sh only — the 24 stub deletions are covered by the per-file content check in "Cherry-pick handling"):

  1. Read the legacy Qt5 source at the same relative path in ./qt-migration-legatus/qt5-before/qt5-legatus-legacy. If the file does not exist there (pure Qt6 build machinery — expected for new_docker_build.sh), say so and compare against the merge base instead.
  2. Produce three diffs: merge-base vs legacy (or: skip with justification), ours vs merge-base, theirs vs merge-base.
  3. Produce the audit diff: merged result vs merge base.
  4. Classify every hunk of the audit diff into exactly one category:
    • qt6-api: mandatory Qt5→Qt6 API adaptation
    • rtiddsgen-api: generated-API adaptation
    • build: CMake/docker/test-infra change with no runtime semantics
    • merge-union: line present because both branches required it
    • semantic-change: anything else
  5. Every semantic-change hunk is a failure of this merge unless you can point to the legacy source line that implements the same behavior. Fix it back to the legacy semantics (with approved adaptations) or report it as a blocker. Do not silently accept semantic-change hunks. (For new_docker_build.sh, build/merge-union are the expected categories; a semantic-change there means a behavior of one side's script was silently dropped.)
  6. Record the per-file hunk classification (counts per category is sufficient; list every semantic-change hunk explicitly) in the final report.

Additional equivalence checks on the merged tree:

  • CMake option union: BUILD_VIEWER_ONLY, BUILD_CODIFICATION, BUILD_SV/WS/AAR, BUILD_GROUP6..11, the Qt6::SerialPort IMPORTED target, GROUP5/Viewer wiring, and GROUP6–11 wiring all exist after the auto-merge (auto-merged files are not re-read by default — verify them).
  • CTest registration union: tests/CMakeLists.txt contains BOTH the theirs-side registrations (e.g. LtsDataViewTest, LtsFileDialogTest, service tests) AND the ours-side 34 tool-test registrations.
  • LtsDataViewTest registration: add_test present, QT_QPA_PLATFORM=offscreen test property present, auto-exit QTimer present in test.cpp.
  • BUILD_STATUS_REPORT.md and GROUP10_VALIDATION_RESULTS.md both present in the merged tree.
  • Docker build script: every target group, apt package, and build option both sides added is present (see the script checks in the merge recipe); the container-side script still starts with set -euo pipefail.

Code generation rules

If generated files are required (not expected for this merge):

  • reconstruct the real legacy generation flow
  • generate into the build tree
  • consume from the build tree
  • list complete OUTPUT and BYPRODUCTS
  • set correct DEPENDS and MAIN_DEPENDENCY where useful
  • use deterministic WORKING_DIRECTORY
  • use VERBATIM
  • wire generated sources with target_sources
  • wire generated include dirs with target_include_directories
  • ensure compilation depends on generation
  • ensure incremental rebuilds trigger on input/template changes

Never commit generated .idl, .h, .hpp, or .cpp outputs. Never consume generated outputs from the source tree. Never fabricate generated outputs.

Tests

  • All three sides' test suites must build and run; this merge adds no new feature tests of its own.
  • The ours-side 34 tests/test_<Tool>.cpp tool tests (Groups 6–9) must be built and registered in the merged tests/CMakeLists.txt; run them in the coverage run (run 2 below). If a tool test requires external hardware/services, classify Not Run/Timeout as base state (record the reason) — do not make them pass by weakening the test.
  • Keep the theirs-side LtsDataViewTest adaptations (auto-exit timer, offscreen property, unconditional link) — they are what make the viewer-only ctest pass in CI.
  • Known base-state blocker (GROUP11): the projects side documents (GROUP10_VALIDATION_RESULTS.md) that GROUP11 (OperatorApplication, thp_viewer, aarApp) is blocked by a pre-existing svcPdmClient Qt6 MOC failure. The viewer-validation side completed the residual Lts service migration (a41001955, incl. ProjectDataManagement service sources) and the PPM MOC exclusion (36f077bce), so the blocker may be RESOLVED in the merged tree. In run 2, build GROUP11 and record which: (a) svcPdmClient now builds — blocker cleared by the theirs-side service work (success, document it), or (b) it still fails with the same MOC error — base-state blocker, record it in the final report as remaining (do not fix it in this merge).
  • If a conflict resolution changed C++ semantics (it should not), add CTest tests under ./qt-migration-legatus/qt6-after/qt6-migrated-legatus/tests/ that pin the legacy behavior, registered with CTest, running with BUILD_RTI=ON and BUILD_GRANTLEE=ON, policy-compatible names (test_<name>.cpp, …).
  • No OFF-variant tests of BUILD_RTI/BUILD_GRANTLEE. No host-local paths.

Docker and CI

Authoritative migration Dockerfile:

  • ./app/Dockerfile

Authoritative validation script (single script; docker_build.sh was merged into it and deleted):

  • ./qt-migration-legatus/qt6-after/qt6-migrated-legatus/new_docker_build.sh

Validation container expectations:

  • repository root at /workspace (the script's documented mount path)
  • external dependencies under /workspace/external (including external/rti_connext_dds-7.7.0, external/ArcGIS where the scripts expect them)
  • ./rti_license.dat mounted read-only if RTI requires it
  • no developer-local paths
  • the prebuilt image legatus-qt6-prebuilt:latest exists (6.23 GB at prompt writing) and is required for KDReports-qt6 (runs 2/3 use --use-prebuilt-image --docker-image legatus-qt6-prebuilt:latest; run 1 may use the base image)

Jenkins CI must be able to discover and run the merged test set. Inspect and minimally update only if needed:

  • ./qt-migration-legatus/ci/Dockerfile.*
  • ./qt-migration-legatus/ci/check_pr_policies.py

Known pre-existing blocker (do not fix in this merge, record in the final report): ci/check_pr_policies.py currently exits 1 because a series of ancestor commits (33 unsigned commits on feature/qt6-migration-basis-modules-merge-viewer-validation since merge base ed9fc51e7, e.g. 36f077bce, b6a97c39e, fd3e5e838; plus the projects-side commits b18844a20, 4d6bef5fa, … which carry no SSH signature accepted by ci/allowed_signers) fail the signature gate. Fixing it requires re-signing/history rewrite of source-branch commits, which is out of scope here. The new commits created by THIS task must be signed and verify Good.

Required procedure

  1. Read the base prompts. Run git fetch origin and verify the four ref hashes, the tools containment check, and the merge base (step 2 of "Branches and trees").
  2. Create/checkout feature/qt6-migration-projects-app-tools-viewer-validation from origin/feature/migrate-lts-projects-and-application in ./qt-migration-legatus (working tree must be clean).
  3. Re-run the dry run of the full sequence in a throwaway worktree (cherry-pick 5501d1e50, then git merge --no-commit --no-ff origin/feature/qt6-migration-basis-modules-merge-viewer-validation); confirm the conflict list (expected: 1 UU content conflict + 24 UD modify/delete conflicts).
  4. Cherry-pick 5501d1e50 (see "Cherry-pick handling", steps 1–2).
  5. Run the real merge: git merge --no-ff origin/feature/qt6-migration-basis-modules-merge-viewer-validation (do not auto-commit; resolve first).
  6. Run the 24-file stub content check, resolve the 24 UD conflicts as deletions, and resolve the new_docker_build.sh content conflict hunk by hunk using the four- version method and the merge recipe above.
  7. Run the legacy comparison audit (previous section) over every resolved/edited file.
  8. Run the regression checks: Qt5 links, removed modules, LogViewer (incl. the GROUP6 entry), IDL warnings, stub locations, ON-variant-only CMake, docker script integrity (bash -n, --help, target-set and GROUP4/GROUP6–11 checks), CMake option union, CTest registration union (both sides' registrations in tests/CMakeLists.txt).
  9. Validate in Docker with BUILD_RTI=ON and BUILD_GRANTLEE=ON — all three runs below (run 2 additionally with BUILD_ARCGIS=ON).
  10. Run CTest in each validated build (executed as part of the docker runs).
  11. Check Jenkins/policy compatibility (record the pre-existing signature blocker).
  12. Create the merge commit (see Commits).
  13. Report factual status.

Do not push. The result stays local on feature/qt6-migration-projects-app-tools-viewer-validation until the user says otherwise.

Required validation

From ./qt-migration-legatus/qt6-after/qt6-migrated-legatus, run (in order):

# 1. Full default run (groups 1–3: DDS core, migration_tests, full migrated-service set)
BUILD_RTI=ON BUILD_GRANTLEE=ON ./new_docker_build.sh

# 2. Coverage run: Proxies + Viewer + ALL Tools groups (6–9) + Projects (10)
#    + Application (11) + codification; ArcGIS ON because the projects side
#    validated GROUP10/11 with BUILD_ARCGIS=ON and external/ArcGIS is mounted
BUILD_RTI=ON BUILD_GRANTLEE=ON BUILD_ARCGIS=ON ./new_docker_build.sh \
  --use-prebuilt-image --docker-image legatus-qt6-prebuilt:latest \
  --group4 --group5 --group6 --group7 --group8 --group9 --group10 --group11 --codification

# 3. Viewer-only run (validates the theirs-side feature end to end)
BUILD_RTI=ON BUILD_GRANTLEE=ON ./new_docker_build.sh --build-viewer-only \
  --use-prebuilt-image --docker-image legatus-qt6-prebuilt:latest

If a direct clean build is useful, use:

cmake -S /workspace/qt-migration-legatus/qt6-after/qt6-migrated-legatus -B /workspace/build-projects-tools-viewer-rti-on-grantlee-on -G Ninja -DCMAKE_BUILD_TYPE=Debug -DBUILD_RTI=ON -DBUILD_GRANTLEE=ON
cmake --build /workspace/build-projects-tools-viewer-rti-on-grantlee-on --parallel
ctest --test-dir /workspace/build-projects-tools-viewer-rti-on-grantlee-on --output-on-failure

CTest baseline: ctest exits with code 8 when tests are "Not Run". The pre-existing Not Run class (duplicate _gtest registrations, sibling targets of OFF groups, hardware- dependent tests such as taboc_serialtest, bld_bsm_test) is not a failure. In addition, the following six were documented as base-state first-run failures in the viewer-validation merge's final report (./prompts/merge-lts-viewer-validation-into-basis-modules-merge.FINAL-REPORT.md) and remain base-state here: ddsFunctionTopicTests (deterministic FTS/FTC signal defect), bld_bsm_test/taboc_serialtest (hardware waits), bld_vwm_test/bld_vwm_xml_test (manual-test data absent from the repo), LtsFileDialogTest (GUI blocks on DDS init before the CI auto-exit timer fires). Treat only NEW ***Failed/***Timeout entries beyond these as merge regressions: fix or report as a blocker.

Mandatory positive checks:

  • Run 2: GROUP10 must build (the projects side validated it — regression if it breaks); GROUP6–9 tool targets must build; the 34 tool tests must at least be registered; LtsDataViewTest must run and pass (where built); the GROUP11 outcome must be classified per "Tests".
  • Run 3: LtsDataViewTest (and LtsFileDialogTest where built) MUST run and pass — if it does not, that is a merge regression: fix it or report it as a blocker.
  • If a previously passing test becomes Not Run or Failed after the merge, that is a merge regression: fix it or report it as a blocker.

Do not run or validate OFF variants of BUILD_RTI/BUILD_GRANTLEE.

Commits

Two commits are created on the result branch:

  1. Cherry-pick commit of 5501d1e50 (see "Cherry-pick handling"): keeps the original author (Torsten Wierschin — the author of the work), keeps the original subject and body minus the Co-authored-by: Copilot line, and keeps the (cherry picked from commit …) reference line. Signed.
  2. Merge commit: single author — the user's git identity. The user is the only author; do not add any co-author, co-authored-by, or bot attribution lines of any kind. Message: maximum 2 lines (one subject line plus at most one short body line), no blank-line separators, no extra metadata. Subject example: Merge feature/qt6-migration-basis-modules-merge-viewer-validation into feature/migrate-lts-projects-and-application body line example: Cherry-picks 5501d1e50 (stub-header updates, superseded by 4223ca2ff relocation); resolves 1 content + 24 modify/delete conflicts; validates BUILD_RTI=ON BUILD_GRANTLEE=ON incl. Tools Groups 6-11.
  • The repository has commit.gpgsign=false: sign every created commit explicitly (git commit -S, git cherry-pick -S or the two-step form from "Cherry-pick handling"). Follow ./prompts/commit-policy.prompt.md for repository mapping and pre-commit checks. If it requires signed commits and signing is not configured in this repository context, stop and report the exact reason instead of committing unsigned.
  • If a conflict resolution requires an additional fix commit, the same 2-line / single-author (user) / no-attribution / signed rules apply.

Success criteria

Success requires:

  • feature/qt6-migration-projects-app-tools-viewer-validation contains the cherry-pick commit of 5501d1e50 (signed, original author, no bot attribution line) and a merge commit (signed, user as sole author) with parents origin/feature/migrate-lts-projects-and-application (or its verified successor tip) and origin/feature/qt6-migration-basis-modules-merge-viewer-validation (or its verified successor tip)
  • the tools containment is re-verified (2b8f3f02c is an ancestor of the projects base) and recorded
  • new_docker_build.sh resolved hunk by hunk with the merge recipe; resolution evidence and the post-resolution script checks recorded
  • the 24 stub modify/delete conflicts resolved as deletions after the per-file content check (no MISMATCH); the 14 non-relocated cherry-picked stubs documented as staying at the old location
  • both sides' functionality preserved: GROUP6–11 target sets, the 34 tool-test registrations, GROUP10_VALIDATION_RESULTS.md, and the Lts/Tools fixes from the projects side; the full migrated-service set, GROUP3 service target set, consolidated GROUP4 array, docker-script unification, --build-viewer-only, --codification, KDReports wiring, and the LtsDataViewTest/LtsFileDialogTest adaptations from the viewer-validation side
  • legacy comparison audit done for every resolved file; zero unexplained semantic-change hunks
  • configure, build, and CTest pass with BUILD_RTI=ON and BUILD_GRANTLEE=ON in all three validation runs (GROUP11 classified per "Tests"; the six documented base-state first-run failures may remain, all others must pass)
  • Jenkins/policy discovery accepts the merged test set (or the pre-existing signature blocker is recorded as the only failure); the new commits verify signed Good
  • no active Qt5 imported target links remain in the merged tree
  • generated outputs are build-tree only, freshly produced, never committed or consumed from the source tree; no fake generated files, dummy files, mocks, placeholders, or stubbed generated outputs
  • required stubs/forward declarations only in allowed directories; docker_build.sh stays deleted
  • removed modules remain removed; LogViewer preserved (incl. the GROUP6 target)
  • no OFF-variant logic, tests, or stubs introduced for BUILD_RTI/BUILD_GRANTLEE
  • no push performed

If blocked

Do not fake success. Report:

  • failing command
  • key error output
  • affected file/branch
  • category: project, path, merge, cherry-pick, CMake, Qt API, codegen, Docker, RTI/license, Grantlee/KTextTemplate, KDReports, ArcGIS, test, CTest, Jenkins CI, stub relocation, or environment
  • which side (ours/theirs/cherry-pick) the problematic hunk came from
  • what was resolved safely
  • what remains blocked
  • whether stale artifacts were ruled out
  • whether generated files were involved
  • exact missing files, targets, or generator step
  • whether tests and CTest integration succeeded
  • whether Docker validation and Jenkins discovery succeeded
  • the legacy comparison status for the unresolved files

Final report

Keep it short. Include:

  • status: validated, partially validated, or blocked
  • both commit hashes (cherry-pick, merge), the merge's two parents, the branch name
  • tools containment re-verification result
  • cherry-pick evidence: clean apply on the projects base, per-file content check output (24/24 MATCH expected), the 14 non-relocated files documented
  • per-conflicted-file resolution: file, method (union / four-version semantic / merge recipe / keep-deletion), and the one-line reason
  • new_docker_build.sh merge evidence: ours-side additions kept (Groups 6–11 usage/ arrays/calls/passthrough), theirs-side additions kept (viewer-only, codification, build-parts, prebuilt image name, --cmake_build_flags, corrected usage line), the three resolved hunks, and the post-resolution script checks
  • legacy comparison audit summary: per-file hunk counts by category, and every semantic-change hunk with its justification or fix
  • files changed beyond the conflicted set (expected: none — the 24 stub deletions and the auto-merged theirs-side files excepted)
  • CTest registration union check result (both sides' registrations in tests/CMakeLists.txt; LtsDataViewTest property/auto-exit)
  • Docker and Jenkins CI changes (incl. the recorded pre-existing signature blocker)
  • Qt5 references removed or remaining
  • confirmation that removed modules were not restored, LogViewer was preserved (incl. the GROUP6 target), and docker_build.sh stayed deleted
  • GROUP11 classification (svcPdmClient blocker cleared by the theirs-side service work, or still base-state)
  • exact validation commands and results for all three runs
  • remaining blockers or risks

Summary

  • Write Summary for all migrated and merge branche like this example (MIGRATION_SUMMARY_Z_AND_PROXIES.md)
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