Add Dockerfile and script to run a copier update on all repos

.dockerignore

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+Dockerfile

Dockerfile

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+# An image to run maintainer tools.
+# gh auth login (https, browser)
+# gh auth setup-git
+
+FROM debian:12-slim
+
+RUN apt-get update  \
+    && apt-get -y --no-install-recommends install  \
+        sudo curl git ca-certificates build-essential \
+        libssl-dev zlib1g-dev \
+        libbz2-dev libreadline-dev libsqlite3-dev curl \
+        libncursesw5-dev xz-utils tk-dev libxml2-dev libxmlsec1-dev \
+        libffi-dev liblzma-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+ENV MISE_DATA_DIR="/mise"
+ENV MISE_CONFIG_DIR="/mise"
+ENV MISE_CACHE_DIR="/mise/cache"
+ENV MISE_INSTALL_PATH="/usr/local/bin/mise"
+ENV PATH="/mise/shims:$PATH"
+
+RUN curl https://mise.run | sh
+
+COPY mise.toml ${MISE_DATA_DIR}/config.toml
+RUN mise install
+
+RUN uv venv /venv
+
+# Install maintainer-tools and its dependencies.
+COPY . /app
+RUN uv pip install --python /venv/bin/python -e /app \
+ && ln -s /venv/bin/oca-copier-update /usr/local/bin/
+
+COPY copier-update-all.sh /usr/local/bin

copier-update-all.sh

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+#!/bin/bash
+
+# This is script is meant to run in the image built from this repository.
+
+set -eauxo pipefail
+
+REPOS=:all:
+
+gh auth login --hostname=github.com --git-protocol=https --web
+
+gh auth setup-git
+
+function install-pre-commit {
+  rm -fr /tmp/pre-commit-env /usr/local/bin/pre-commit
+  python3 -m venv /tmp/pre-commit-env
+  /tmp/pre-commit-env/bin/pip install pre-commit
+  ln -s /tmp/pre-commit-env/bin/pre-commit /usr/local/bin/pre-commit
+}
+
+mise use -g [email protected]
+install-pre-commit
+oca-copier-update \
+  --repos $REPOS \
+  --branches 12.0 \
+  --git-protocol https
+
+mise use -g [email protected]
+install-pre-commit
+oca-copier-update \
+  --repos $REPOS \
+  --branches 13.0 \
+  --git-protocol https
+
+mise use -g [email protected]
+install-pre-commit
+oca-copier-update \
+  --repos $REPOS \
+  --branches 14.0,15.0,16.0,17.0,18.0 \
+  --git-protocol https

mise.toml

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+[settings.pipx]
+uvx = true
+
+[tools]
+github-cli = "latest"
+"pipx:copier" = "latest"
+python = ["3.13", "3.11", "3.8", "3.6"]
+uv = "latest"