From 6aedab4f1bbb327e9920376ba84fc0e196ff36e9 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Sun, 30 Nov 2025 12:58:43 +0100
Subject: [PATCH 01/21] First pass to cache the chroot

---
 docker-gitlabci/Dockerfile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 8472933f..e8ba15da 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -63,3 +63,8 @@ RUN wget $GITHUBDICTIONARY -O $CODESPELLDICTLOCATION
 # Do some extra setup
 RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
+
+# Cache the chroot
+RUN wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip \
+ && unzip domjudge-main.zip && cd domjudge-main/misc-tools && make dj_make_chroot \
+ && ./dj_make_chroot

From 7fe311075a44b08608870e666e465c58d7e38a6e Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Sun, 30 Nov 2025 13:44:33 +0100
Subject: [PATCH 02/21] And show where the space gets lost

---
 docker-gitlabci/Dockerfile | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index e8ba15da..6e379d32 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -64,7 +64,13 @@ RUN wget $GITHUBDICTIONARY -O $CODESPELLDICTLOCATION
 RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
 
+RUN du -sh /*
+
 # Cache the chroot
 RUN wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip \
- && unzip domjudge-main.zip && cd domjudge-main/misc-tools && make dj_make_chroot \
- && ./dj_make_chroot
+ && unzip main.zip && cd domjudge-main/misc-tools && make configure \
+ && cd misc-tools && make dj_make_chroot \
+ && ./dj_make_chroot \
+ && cd ../.. && rm -rf domjudge-main
+
+RUN du -sh /*

From 36fb505863ffe0afb660c96c4c15f62fc9af78b8 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Tue, 9 Dec 2025 10:59:06 +0100
Subject: [PATCH 03/21] Allow explicit failure

---
 docker-gitlabci/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 6e379d32..85a6e966 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -64,7 +64,7 @@ RUN wget $GITHUBDICTIONARY -O $CODESPELLDICTLOCATION
 RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
 
-RUN du -sh /*
+RUN du -sh /* || true
 
 # Cache the chroot
 RUN wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip \
@@ -73,4 +73,4 @@ RUN wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip \
  && ./dj_make_chroot \
  && cd ../.. && rm -rf domjudge-main
 
-RUN du -sh /*
+RUN du -sh /* || true

From c5b945790994634a629936b4a2bc439417b7ec6f Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Tue, 9 Dec 2025 11:27:47 +0100
Subject: [PATCH 04/21] Simplify debugging

---
 docker-gitlabci/Dockerfile | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 85a6e966..1c30cecc 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -67,10 +67,11 @@ RUN mkdir -p /run/php \
 RUN du -sh /* || true
 
 # Cache the chroot
-RUN wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip \
- && unzip main.zip && cd domjudge-main/misc-tools && make configure \
- && cd misc-tools && make dj_make_chroot \
- && ./dj_make_chroot \
- && cd ../.. && rm -rf domjudge-main
+RUN pwd && wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
+RUN pwd && unzip main.zip
+RUN pwd && cd domjudge-main/misc-tools && make configure
+RUN pwd && make dj_make_chroot
+RUN pwd && ./dj_make_chroot
+RUN pwd && cd ../.. && rm -rf domjudge-main
 
 RUN du -sh /* || true

From 6585b46bb4dff2a2a1f79b0c95fc2d4d1884750c Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Tue, 9 Dec 2025 14:19:49 +0100
Subject: [PATCH 05/21] fixup

---
 docker-gitlabci/Dockerfile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 1c30cecc..a26127f8 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -69,8 +69,8 @@ RUN du -sh /* || true
 # Cache the chroot
 RUN pwd && wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
 RUN pwd && unzip main.zip
-RUN pwd && cd domjudge-main/misc-tools && make configure
-RUN pwd && make dj_make_chroot
+RUN pwd && cd domjudge-main && make configure
+RUN pwd && cd misc-tools && make dj_make_chroot
 RUN pwd && ./dj_make_chroot
 RUN pwd && cd ../.. && rm -rf domjudge-main
 

From ff6c62c8bb036087e672eeae9e2b57164939a0f8 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Tue, 9 Dec 2025 14:44:50 +0100
Subject: [PATCH 06/21] Make steps explicit

---
 docker-gitlabci/Dockerfile | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index a26127f8..21b0b88a 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -67,11 +67,11 @@ RUN mkdir -p /run/php \
 RUN du -sh /* || true
 
 # Cache the chroot
-RUN pwd && wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
-RUN pwd && unzip main.zip
-RUN pwd && cd domjudge-main && make configure
-RUN pwd && cd misc-tools && make dj_make_chroot
-RUN pwd && ./dj_make_chroot
-RUN pwd && cd ../.. && rm -rf domjudge-main
+RUN cd /                         && wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
+RUN cd /                         && unzip main.zip
+RUN cd /domjudge-main            && make configure
+RUN cd /domjudge-main/misc-tools && make dj_make_chroot
+RUN cd /domjudge-main/misc-tools && ./dj_make_chroot
+RUN                                 rm -rf /domjudge-main
 
 RUN du -sh /* || true

From 86a14ae66e5328f867c1d667af19f525c48f6642 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Tue, 9 Dec 2025 16:43:44 +0100
Subject: [PATCH 07/21] Fix the build (?)

---
 docker-gitlabci/Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 21b0b88a..82e98377 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -70,6 +70,7 @@ RUN du -sh /* || true
 RUN cd /                         && wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
 RUN cd /                         && unzip main.zip
 RUN cd /domjudge-main            && make configure
+RUN cd /domjudge-main            && ./configure --with-domjudge-user=domjudge
 RUN cd /domjudge-main/misc-tools && make dj_make_chroot
 RUN cd /domjudge-main/misc-tools && ./dj_make_chroot
 RUN                                 rm -rf /domjudge-main

From 2ea6113623c59067c05188d6a24b94d75f839954 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Wed, 10 Dec 2025 11:50:25 +0100
Subject: [PATCH 08/21] Try to build the chroot outside first

We need priviliges for the debootstrap, passing this to buildx is far from easy and we only need a simple setup
---
 docker-gitlabci/Dockerfile | 13 +------------
 docker-gitlabci/build.sh   | 10 ++++++++++
 2 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 82e98377..8df5908b 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -64,15 +64,4 @@ RUN wget $GITHUBDICTIONARY -O $CODESPELLDICTLOCATION
 RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
 
-RUN du -sh /* || true
-
-# Cache the chroot
-RUN cd /                         && wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
-RUN cd /                         && unzip main.zip
-RUN cd /domjudge-main            && make configure
-RUN cd /domjudge-main            && ./configure --with-domjudge-user=domjudge
-RUN cd /domjudge-main/misc-tools && make dj_make_chroot
-RUN cd /domjudge-main/misc-tools && ./dj_make_chroot
-RUN                                 rm -rf /domjudge-main
-
-RUN du -sh /* || true
+COPY ["chroot", "/chroot"]
diff --git a/docker-gitlabci/build.sh b/docker-gitlabci/build.sh
index 74f21a5e..b081cfdd 100755
--- a/docker-gitlabci/build.sh
+++ b/docker-gitlabci/build.sh
@@ -20,6 +20,16 @@ else
 	REGISTRY=$2
 fi
 
+echo "[..] Building an example chroot..."
+wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
+unzip main.zip
+cd domjudge-main
+  make configure
+  ./configure --with-domjudge-user=domjudge --with-judgehost_chrootdir=`pwd`/chroot
+cd misc-tools
+  make dj_make_chroot
+  sudo ./dj_make_chroot
+
 echo "[..] Building Docker image for Gitlab CI..."
 cp -r ../docker-contributor/php-config ./
 docker build -t "${REGISTRY}:${VERSION}" . 

From 2e649d5725b7b43f24295bcd353921ff91ddf47e Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Wed, 10 Dec 2025 23:54:10 +0100
Subject: [PATCH 09/21] Fix shellcheck issues

---
 docker-gitlabci/build.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-gitlabci/build.sh b/docker-gitlabci/build.sh
index b081cfdd..fb784c7e 100755
--- a/docker-gitlabci/build.sh
+++ b/docker-gitlabci/build.sh
@@ -25,7 +25,7 @@ wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
 unzip main.zip
 cd domjudge-main
   make configure
-  ./configure --with-domjudge-user=domjudge --with-judgehost_chrootdir=`pwd`/chroot
+  ./configure --with-domjudge-user=domjudge --with-judgehost_chrootdir="$(pwd)/chroot"
 cd misc-tools
   make dj_make_chroot
   sudo ./dj_make_chroot

From 580571c13091b1b7da75805c7cda3e1339ecf877 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Wed, 10 Dec 2025 23:58:21 +0100
Subject: [PATCH 10/21] Copy to the right dir (?)

---
 docker-gitlabci/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 8df5908b..58efbcd0 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -64,4 +64,4 @@ RUN wget $GITHUBDICTIONARY -O $CODESPELLDICTLOCATION
 RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
 
-COPY ["chroot", "/chroot"]
+COPY ["chroot", "/"]

From a89a77dcf8bcec836cd694aee5720610f5cd793c Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Thu, 11 Dec 2025 11:52:55 +0100
Subject: [PATCH 11/21] =?UTF-8?q?We=20don=C2=B4t=20use=20the=20build=20scr?=
 =?UTF-8?q?ipt=20anymore?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .github/workflows/build-gitlab-container-PR.yml | 11 +++++++++++
 docker-gitlabci/build.sh                        | 11 +----------
 2 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index 662580e1..8745cc76 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -48,6 +48,17 @@ jobs:
         with:
           images: ghcr.io/${{ github.repository }}
 
+      - name: Building an example chroot...
+        run: |
+          wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
+          unzip main.zip
+          cd domjudge-main
+            make configure
+            ./configure --with-domjudge-user=domjudge --with-judgehost_chrootdir="$(pwd)/chroot"
+          cd misc-tools
+            make dj_make_chroot
+            sudo ./dj_make_chroot
+
       - name: Build and push Docker images
         uses: docker/build-push-action@v5
         with:
diff --git a/docker-gitlabci/build.sh b/docker-gitlabci/build.sh
index fb784c7e..0b637933 100755
--- a/docker-gitlabci/build.sh
+++ b/docker-gitlabci/build.sh
@@ -1,5 +1,6 @@
 #!/bin/bash -e
 
+# This script is not used in GHA CI
 if [[ -n ${CI} ]]
 then
         set -euxo pipefail
@@ -20,16 +21,6 @@ else
 	REGISTRY=$2
 fi
 
-echo "[..] Building an example chroot..."
-wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
-unzip main.zip
-cd domjudge-main
-  make configure
-  ./configure --with-domjudge-user=domjudge --with-judgehost_chrootdir="$(pwd)/chroot"
-cd misc-tools
-  make dj_make_chroot
-  sudo ./dj_make_chroot
-
 echo "[..] Building Docker image for Gitlab CI..."
 cp -r ../docker-contributor/php-config ./
 docker build -t "${REGISTRY}:${VERSION}" . 

From 4376b3280c993ed0f9efbde88c4ac745fc684e3c Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Thu, 11 Dec 2025 17:53:54 +0100
Subject: [PATCH 12/21] Install all needed tools

---
 .github/workflows/build-gitlab-container-PR.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index 8745cc76..5df6565d 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -50,6 +50,7 @@ jobs:
 
       - name: Building an example chroot...
         run: |
+          sudo apt install make pkg-config sudo debootstrap libcgroup-dev php-cli php-curl php-json php-xml php-zip lsof procps gcc g++ libcgroup-dev make acl zip unzip pv mariadb-server nginx php php-fpm php-gd php-cli php-intl php-mbstring php-mysql php-curl php-json php-xml php-zip composer ntp python3-yaml php-bcmath
           wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
           unzip main.zip
           cd domjudge-main

From 0c12f4ffc4ccd9c91bd3ad14b77dd96359599ab1 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Thu, 11 Dec 2025 18:52:22 +0100
Subject: [PATCH 13/21] Check

---
 docker-gitlabci/Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 58efbcd0..f51eef6c 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -64,4 +64,4 @@ RUN wget $GITHUBDICTIONARY -O $CODESPELLDICTLOCATION
 RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
 
-COPY ["chroot", "/"]
+COPY ["domjudge-main/chroot", "/"]

From f7d95831fdb05f67249eb1ea5670dc540a5d0264 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Thu, 11 Dec 2025 19:33:25 +0100
Subject: [PATCH 14/21] Does this work (?)

---
 .github/workflows/build-gitlab-container-PR.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index 5df6565d..6c18dc52 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -60,6 +60,8 @@ jobs:
             make dj_make_chroot
             sudo ./dj_make_chroot
 
+      - run: |
+        find . --name chroot
       - name: Build and push Docker images
         uses: docker/build-push-action@v5
         with:

From ad89159f83c641b0cb0b3f4cd79a284b075c59e4 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Fri, 12 Dec 2025 10:52:03 +0100
Subject: [PATCH 15/21] Further debug

---
 .github/workflows/build-gitlab-container-PR.yml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index 6c18dc52..17df2a3a 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -61,7 +61,8 @@ jobs:
             sudo ./dj_make_chroot
 
       - run: |
-        find . --name chroot
+          find . --name chroot
+          pwd
       - name: Build and push Docker images
         uses: docker/build-push-action@v5
         with:

From f7934f6779d17788abf1077dc40114bd38d1401b Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Fri, 12 Dec 2025 11:14:31 +0100
Subject: [PATCH 16/21] Fxup

---
 .github/workflows/build-gitlab-container-PR.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index 17df2a3a..c90ca186 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -61,7 +61,7 @@ jobs:
             sudo ./dj_make_chroot
 
       - run: |
-          find . --name chroot
+          find . -name chroot
           pwd
       - name: Build and push Docker images
         uses: docker/build-push-action@v5

From 1170fff681f3f35888b90229bbf2245e7a4e1b27 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Fri, 12 Dec 2025 11:22:19 +0100
Subject: [PATCH 17/21] Show all

---
 .github/workflows/build-gitlab-container-PR.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index c90ca186..334a6835 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -61,7 +61,7 @@ jobs:
             sudo ./dj_make_chroot
 
       - run: |
-          find . -name chroot
+          sudo find . -name chroot
           pwd
       - name: Build and push Docker images
         uses: docker/build-push-action@v5

From af9afaac163958757bc732f8ab0266cfaeed1ac9 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Fri, 12 Dec 2025 11:31:47 +0100
Subject: [PATCH 18/21] The problem is in the context-root of the dockerfile

---
 .github/workflows/build-gitlab-container-PR.yml | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index 334a6835..aba3640e 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -51,14 +51,15 @@ jobs:
       - name: Building an example chroot...
         run: |
           sudo apt install make pkg-config sudo debootstrap libcgroup-dev php-cli php-curl php-json php-xml php-zip lsof procps gcc g++ libcgroup-dev make acl zip unzip pv mariadb-server nginx php php-fpm php-gd php-cli php-intl php-mbstring php-mysql php-curl php-json php-xml php-zip composer ntp python3-yaml php-bcmath
-          wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
-          unzip main.zip
-          cd domjudge-main
-            make configure
-            ./configure --with-domjudge-user=domjudge --with-judgehost_chrootdir="$(pwd)/chroot"
-          cd misc-tools
-            make dj_make_chroot
-            sudo ./dj_make_chroot
+          cd docker-gitlabci
+            wget https://github.com/DOMjudge/domjudge/archive/refs/heads/main.zip
+            unzip main.zip
+            cd domjudge-main
+              make configure
+              ./configure --with-domjudge-user=domjudge --with-judgehost_chrootdir="$(pwd)/chroot"
+            cd misc-tools
+              make dj_make_chroot
+              sudo ./dj_make_chroot
 
       - run: |
           sudo find . -name chroot

From b71be069708502e1a7d2a593419c52a65e16a555 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Fri, 12 Dec 2025 11:39:49 +0100
Subject: [PATCH 19/21] Try with tarball

---
 .github/workflows/build-gitlab-container-PR.yml | 1 +
 docker-gitlabci/Dockerfile                      | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index aba3640e..9b2deac9 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -60,6 +60,7 @@ jobs:
             cd misc-tools
               make dj_make_chroot
               sudo ./dj_make_chroot
+              sudo tar cf "$(pwd)/chroot" chroot.tar
 
       - run: |
           sudo find . -name chroot
diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index f51eef6c..6eccea85 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -64,4 +64,4 @@ RUN wget $GITHUBDICTIONARY -O $CODESPELLDICTLOCATION
 RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
 
-COPY ["domjudge-main/chroot", "/"]
+COPY ["domjudge-main/chroot.tar", "/"]

From 87e84d52fa964e3ec1189d14c19e6cbe3b3681ec Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Fri, 12 Dec 2025 11:40:11 +0100
Subject: [PATCH 20/21] Also extract it

---
 docker-gitlabci/Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker-gitlabci/Dockerfile b/docker-gitlabci/Dockerfile
index 6eccea85..343fad02 100644
--- a/docker-gitlabci/Dockerfile
+++ b/docker-gitlabci/Dockerfile
@@ -65,3 +65,4 @@ RUN mkdir -p /run/php \
  && rm /etc/php/*/fpm/pool.d/www.conf
 
 COPY ["domjudge-main/chroot.tar", "/"]
+ADD ["domjudge-main/chroot.tar", "/"]

From 3709b9453cb6260fd68a659abfb749e944055214 Mon Sep 17 00:00:00 2001
From: Michael Vasseur <14887731+vmcj@users.noreply.github.com>
Date: Sat, 13 Dec 2025 19:29:28 +0100
Subject: [PATCH 21/21] Try again

---
 .github/workflows/build-gitlab-container-PR.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-gitlab-container-PR.yml b/.github/workflows/build-gitlab-container-PR.yml
index 9b2deac9..731c7be4 100644
--- a/.github/workflows/build-gitlab-container-PR.yml
+++ b/.github/workflows/build-gitlab-container-PR.yml
@@ -60,7 +60,7 @@ jobs:
             cd misc-tools
               make dj_make_chroot
               sudo ./dj_make_chroot
-              sudo tar cf "$(pwd)/chroot" chroot.tar
+              sudo tar -cvf chroot.tar "$(pwd)/chroot"
 
       - run: |
           sudo find . -name chroot