From 83241045c0aae5b90bf7a6011dbdf9e3ede06926 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 08:58:21 +0000
Subject: [PATCH 01/10] fix: consolidate demo deployment workflow

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 73 ++++++++++++++++++----
 1 file changed, 62 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index a7677e6..3784325 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -11,6 +11,7 @@ permissions:
 
 env:
   FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true
+  RETAINED_GH_PAGES_BUILDS: 3
 
 jobs:
   build:
@@ -191,23 +192,73 @@ jobs:
           </html>
           EOF
 
-      - name: Deploy build to gh-pages
-        uses: peaceiris/actions-gh-pages@v4
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./
-          destination_dir: demo/build/${{ steps.sha.outputs.short }}
-          exclude_assets: "WOLF3D,latest-redirect"
-          keep_files: true
+      - name: Stage demo deployment
+        run: |
+          SHORT_SHA="${{ steps.sha.outputs.short }}"
+          mkdir -p "staging/demo/build/${SHORT_SHA}" "staging/demo/build/latest"
+          cp index.html "staging/demo/build/${SHORT_SHA}/index.html"
+          cp hra.jsdos "staging/demo/build/${SHORT_SHA}/hra.jsdos"
+          cp latest-redirect/index.html "staging/demo/build/latest/index.html"
 
-      - name: Deploy latest redirect to gh-pages
+      - name: Deploy demo to gh-pages
         uses: peaceiris/actions-gh-pages@v4
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./latest-redirect
-          destination_dir: demo/build/latest
+          publish_dir: ./staging/demo/build
+          destination_dir: demo/build
           keep_files: true
 
+      - name: Smoke test deployed demo
+        run: |
+          SHORT_SHA="${{ steps.sha.outputs.short }}"
+          for url in \
+            "https://luke-b.github.io/DosTest/demo/build/${SHORT_SHA}/" \
+            "https://luke-b.github.io/DosTest/demo/build/latest/"
+          do
+            echo "Checking ${url}"
+            curl --fail --silent --show-error --location \
+              --retry 6 --retry-delay 30 --retry-all-errors \
+              "${url}" > /dev/null
+          done
+
+      - name: Prune old gh-pages builds
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          set -euo pipefail
+          git clone --depth=1 --branch gh-pages "https://x-access-token:${GH_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" gh-pages-prune
+          cd gh-pages-prune
+
+          build_root="demo/build"
+          mkdir -p "${build_root}"
+
+          mapfile -t build_dirs < <(
+            find "${build_root}" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
+              | grep -v '^latest$' \
+              | while read -r dir; do
+                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || echo 0)"
+                  printf '%s %s\n' "${ts}" "${dir}"
+                done \
+              | sort -rn \
+              | awk '{print $2}'
+          )
+
+          if [ "${#build_dirs[@]}" -le "${RETAINED_GH_PAGES_BUILDS}" ]; then
+            echo "No old builds to prune."
+            exit 0
+          fi
+
+          for dir in "${build_dirs[@]:${RETAINED_GH_PAGES_BUILDS}}"; do
+            echo "Removing old build ${dir}"
+            rm -rf "${build_root}/${dir}"
+          done
+
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add "${build_root}"
+          git diff --cached --quiet || git commit -m "chore: prune old demo builds [skip ci]"
+          git push
+
   update-readme:
     runs-on: ubuntu-latest
     needs: deploy-demo

From 76d0c694fe9a10b972736a662b638f76fbe9fd65 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:02:05 +0000
Subject: [PATCH 02/10] fix: harden gh-pages pruning workflow

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index 3784325..e4bc2f2 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -217,16 +217,20 @@ jobs:
           do
             echo "Checking ${url}"
             curl --fail --silent --show-error --location \
-              --retry 6 --retry-delay 30 --retry-all-errors \
+              --retry 6 --retry-delay 15 --retry-all-errors \
               "${url}" > /dev/null
           done
 
+      - name: Checkout gh-pages for pruning
+        uses: actions/checkout@v4
+        with:
+          ref: gh-pages
+          path: gh-pages-prune
+          token: ${{ secrets.GITHUB_TOKEN }}
+
       - name: Prune old gh-pages builds
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           set -euo pipefail
-          git clone --depth=1 --branch gh-pages "https://x-access-token:${GH_TOKEN}@github.com/${GITHUB_REPOSITORY}.git" gh-pages-prune
           cd gh-pages-prune
 
           build_root="demo/build"
@@ -236,7 +240,7 @@ jobs:
             find "${build_root}" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
               | grep -v '^latest$' \
               | while read -r dir; do
-                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || echo 0)"
+                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || date +%s)"
                   printf '%s %s\n' "${ts}" "${dir}"
                 done \
               | sort -rn \

From 2df3d40d72029bb0b34de952462317301563388f Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:03:36 +0000
Subject: [PATCH 03/10] fix: tune deployment smoke test and prune fallback

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index e4bc2f2..7724fc0 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -217,7 +217,7 @@ jobs:
           do
             echo "Checking ${url}"
             curl --fail --silent --show-error --location \
-              --retry 6 --retry-delay 15 --retry-all-errors \
+              --retry 4 --retry-delay 10 --retry-all-errors \
               "${url}" > /dev/null
           done
 
@@ -240,7 +240,7 @@ jobs:
             find "${build_root}" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
               | grep -v '^latest$' \
               | while read -r dir; do
-                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || date +%s)"
+                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || echo 0)"
                   printf '%s %s\n' "${ts}" "${dir}"
                 done \
               | sort -rn \

From 768a58a1a18ad3d6e31b91e51fac87adbe1b6f69 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:05:08 +0000
Subject: [PATCH 04/10] fix: clarify sha build pruning logic

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index 7724fc0..db2b654 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -236,7 +236,7 @@ jobs:
           build_root="demo/build"
           mkdir -p "${build_root}"
 
-          mapfile -t build_dirs < <(
+          mapfile -t sha_build_dirs < <(
             find "${build_root}" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
               | grep -v '^latest$' \
               | while read -r dir; do
@@ -247,19 +247,19 @@ jobs:
               | awk '{print $2}'
           )
 
-          if [ "${#build_dirs[@]}" -le "${RETAINED_GH_PAGES_BUILDS}" ]; then
+          if [ "${#sha_build_dirs[@]}" -le "${RETAINED_GH_PAGES_BUILDS}" ]; then
             echo "No old builds to prune."
             exit 0
           fi
 
-          for dir in "${build_dirs[@]:${RETAINED_GH_PAGES_BUILDS}}"; do
+          for dir in "${sha_build_dirs[@]:${RETAINED_GH_PAGES_BUILDS}}"; do
             echo "Removing old build ${dir}"
             rm -rf "${build_root}/${dir}"
           done
 
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
-          git add "${build_root}"
+          git add --all "${build_root}"
           git diff --cached --quiet || git commit -m "chore: prune old demo builds [skip ci]"
           git push
 

From 555918020d2a8c9278936282507e7806a5cbec82 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:06:57 +0000
Subject: [PATCH 05/10] fix: trim smoke retry delay and skip untracked builds

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index db2b654..dd97748 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -217,7 +217,7 @@ jobs:
           do
             echo "Checking ${url}"
             curl --fail --silent --show-error --location \
-              --retry 4 --retry-delay 10 --retry-all-errors \
+              --retry 4 --retry-delay 5 --retry-all-errors \
               "${url}" > /dev/null
           done
 
@@ -240,7 +240,8 @@ jobs:
             find "${build_root}" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
               | grep -v '^latest$' \
               | while read -r dir; do
-                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || echo 0)"
+                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || true)"
+                  [ -n "${ts}" ] || continue
                   printf '%s %s\n' "${ts}" "${dir}"
                 done \
               | sort -rn \

From 3db62f6cfda07926cf77a8d4160804f26cbc45b2 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:08:28 +0000
Subject: [PATCH 06/10] fix: validate retained build count in pruning step

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index dd97748..11e6f7c 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -235,25 +235,32 @@ jobs:
 
           build_root="demo/build"
           mkdir -p "${build_root}"
+          retain_count="${RETAINED_GH_PAGES_BUILDS}"
+
+          case "${retain_count}" in
+            ''|*[!0-9]*|0)
+              echo "RETAINED_GH_PAGES_BUILDS must be a positive integer." >&2
+              exit 1
+              ;;
+          esac
 
           mapfile -t sha_build_dirs < <(
             find "${build_root}" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
               | grep -v '^latest$' \
               | while read -r dir; do
-                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || true)"
-                  [ -n "${ts}" ] || continue
+                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || git show -s --format=%ct HEAD)"
                   printf '%s %s\n' "${ts}" "${dir}"
                 done \
               | sort -rn \
               | awk '{print $2}'
           )
 
-          if [ "${#sha_build_dirs[@]}" -le "${RETAINED_GH_PAGES_BUILDS}" ]; then
+          if [ "${#sha_build_dirs[@]}" -le "${retain_count}" ]; then
             echo "No old builds to prune."
             exit 0
           fi
 
-          for dir in "${sha_build_dirs[@]:${RETAINED_GH_PAGES_BUILDS}}"; do
+          for dir in "${sha_build_dirs[@]:${retain_count}}"; do
             echo "Removing old build ${dir}"
             rm -rf "${build_root}/${dir}"
           done

From c6e047513b613919e4d8726d05da66cab3d86ded Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:10:22 +0000
Subject: [PATCH 07/10] fix: make prune directory scan more portable

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index 11e6f7c..326158b 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -245,10 +245,14 @@ jobs:
           esac
 
           mapfile -t sha_build_dirs < <(
-            find "${build_root}" -mindepth 1 -maxdepth 1 -type d -printf '%f\n' \
-              | grep -v '^latest$' \
-              | while read -r dir; do
-                  ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null || git show -s --format=%ct HEAD)"
+            find "${build_root}" -mindepth 1 -maxdepth 1 -type d \
+              | while read -r dir_path; do
+                  dir="$(basename "${dir_path}")"
+                  [ "${dir}" = "latest" ] && continue
+                  if ! ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null)"; then
+                    echo "Failed to determine timestamp for ${build_root}/${dir}" >&2
+                    exit 1
+                  fi
                   printf '%s %s\n' "${ts}" "${dir}"
                 done \
               | sort -rn \

From e14eff4a80af859f5758718c272a703b2ff94ceb Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:12:19 +0000
Subject: [PATCH 08/10] fix: avoid subshell failure in prune ordering

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 28 ++++++++++------------
 1 file changed, 13 insertions(+), 15 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index 326158b..034da58 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -217,7 +217,7 @@ jobs:
           do
             echo "Checking ${url}"
             curl --fail --silent --show-error --location \
-              --retry 4 --retry-delay 5 --retry-all-errors \
+              --retry 3 --retry-delay 5 --retry-all-errors \
               "${url}" > /dev/null
           done
 
@@ -244,20 +244,18 @@ jobs:
               ;;
           esac
 
-          mapfile -t sha_build_dirs < <(
-            find "${build_root}" -mindepth 1 -maxdepth 1 -type d \
-              | while read -r dir_path; do
-                  dir="$(basename "${dir_path}")"
-                  [ "${dir}" = "latest" ] && continue
-                  if ! ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null)"; then
-                    echo "Failed to determine timestamp for ${build_root}/${dir}" >&2
-                    exit 1
-                  fi
-                  printf '%s %s\n' "${ts}" "${dir}"
-                done \
-              | sort -rn \
-              | awk '{print $2}'
-          )
+          build_timestamps_file="$(mktemp)"
+          while read -r dir_path; do
+            dir="$(basename "${dir_path}")"
+            [ "${dir}" = "latest" ] && continue
+            if ! ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null)"; then
+              echo "Failed to determine timestamp for ${build_root}/${dir}" >&2
+              exit 1
+            fi
+            printf '%s %s\n' "${ts}" "${dir}" >> "${build_timestamps_file}"
+          done < <(find "${build_root}" -mindepth 1 -maxdepth 1 -type d)
+
+          mapfile -t sha_build_dirs < <(sort -rn "${build_timestamps_file}" | awk '{print $2}')
 
           if [ "${#sha_build_dirs[@]}" -le "${retain_count}" ]; then
             echo "No old builds to prune."

From faf7f25af5fee8954d3d8d427a3c44fcc593acef Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:13:51 +0000
Subject: [PATCH 09/10] fix: improve prune step error reporting

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index 034da58..9257853 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -239,7 +239,7 @@ jobs:
 
           case "${retain_count}" in
             ''|*[!0-9]*|0)
-              echo "RETAINED_GH_PAGES_BUILDS must be a positive integer." >&2
+              echo "RETAINED_GH_PAGES_BUILDS must be set to a positive integer." >&2
               exit 1
               ;;
           esac
@@ -248,8 +248,12 @@ jobs:
           while read -r dir_path; do
             dir="$(basename "${dir_path}")"
             [ "${dir}" = "latest" ] && continue
-            if ! ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>/dev/null)"; then
-              echo "Failed to determine timestamp for ${build_root}/${dir}" >&2
+            if [ ! -d "${build_root}/${dir}" ]; then
+              echo "Build directory ${build_root}/${dir} does not exist." >&2
+              exit 1
+            fi
+            if ! ts="$(git log -1 --format=%ct -- "${build_root}/${dir}" 2>&1)"; then
+              echo "Failed to determine timestamp for ${build_root}/${dir}: ${ts}" >&2
               exit 1
             fi
             printf '%s %s\n' "${ts}" "${dir}" >> "${build_timestamps_file}"

From 0c9b1ce275901ae3ad739ad45c5d1022f5e6f9a3 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 7 May 2026 09:15:00 +0000
Subject: [PATCH 10/10] fix: guard prune push and filter empty entries

Agent-Logs-Url: https://github.com/luke-b/DosTest/sessions/fda21b29-1113-4626-a501-9f33822dfc4e

Co-authored-by: luke-b <1448891+luke-b@users.noreply.github.com>
---
 .github/workflows/borland-dos-pipeline.yml | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/borland-dos-pipeline.yml b/.github/workflows/borland-dos-pipeline.yml
index 9257853..d2257c8 100644
--- a/.github/workflows/borland-dos-pipeline.yml
+++ b/.github/workflows/borland-dos-pipeline.yml
@@ -259,7 +259,7 @@ jobs:
             printf '%s %s\n' "${ts}" "${dir}" >> "${build_timestamps_file}"
           done < <(find "${build_root}" -mindepth 1 -maxdepth 1 -type d)
 
-          mapfile -t sha_build_dirs < <(sort -rn "${build_timestamps_file}" | awk '{print $2}')
+          mapfile -t sha_build_dirs < <(sort -rn "${build_timestamps_file}" | awk '{print $2}' | grep -v '^$')
 
           if [ "${#sha_build_dirs[@]}" -le "${retain_count}" ]; then
             echo "No old builds to prune."
@@ -274,8 +274,10 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git add --all "${build_root}"
-          git diff --cached --quiet || git commit -m "chore: prune old demo builds [skip ci]"
-          git push
+          if ! git diff --cached --quiet; then
+            git commit -m "chore: prune old demo builds [skip ci]"
+            git push
+          fi
 
   update-readme:
     runs-on: ubuntu-latest