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ProxMenux/oci/proxmenux-oci.sh
T
MacRimiandClaude Opus 5 41b999ffeb fix(oci): say where the converter entry point has to run
Fetched with wget and piped to bash, $0 is "bash" and the script resolves
its own directory to wherever the shell happens to be. It then reports
"shasum: /root/requirements.txt: No such file or directory", which names
a path the reader never chose and says nothing about the real problem.

It now checks for the files it needs and names both places it runs from:
the installed engine directory on a Proxmox host, or oci/ in a clone.

PACKAGE-CONTENTS.md called it the "installer entry point", which is what
invites fetching it over the network in the first place.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-09-22 23:13:28 +02:00

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#!/usr/bin/env bash
set -Eeuo pipefail
ROOT_DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
VENV_DIR="$ROOT_DIR/.venv"
REQUIREMENTS="$ROOT_DIR/requirements.txt"
STAMP="$VENV_DIR/.requirements.sha256"
# The orchestrator lives beside this script, so it has to run from where it
# was installed. Piped from a URL there is no directory to read: $0 is "bash",
# ROOT_DIR becomes the working directory, and the first missing file reports a
# path nobody asked for.
if [ ! -r "$REQUIREMENTS" ] || [ ! -d "$ROOT_DIR/src/proxmenux_oci" ]; then
cat >&2 <<EOF
ERROR: this script runs from the directory it was installed in, next to
requirements.txt and src/. It cannot be piped from a URL.
On a Proxmox host with ProxMenux installed:
/usr/local/share/proxmenux/oci/engine/proxmenux-oci.sh "\$@"
From a clone of the repository:
cd oci && ./proxmenux-oci.sh "\$@"
EOF
exit 1
fi
command -v python3 >/dev/null 2>&1 || {
echo "ERROR: Python 3 is required." >&2
exit 1
}
if python3 -c 'import yaml, jsonschema' >/dev/null 2>&1; then
PYTHON=python3
else
if [[ ! -x "$VENV_DIR/bin/python" ]] || ! "$VENV_DIR/bin/python" -m pip --version >/dev/null 2>&1; then
echo "Preparing the local Python environment..."
rm -rf "$VENV_DIR"
python3 -m venv "$VENV_DIR" || {
echo "ERROR: could not create the virtual environment. On Debian, install python3-venv, python3-yaml and python3-jsonschema." >&2
exit 1
}
fi
if command -v shasum >/dev/null 2>&1; then
CURRENT_HASH=$(shasum -a 256 "$REQUIREMENTS" | awk '{print $1}')
else
CURRENT_HASH=$(sha256sum "$REQUIREMENTS" | awk '{print $1}')
fi
INSTALLED_HASH=$(cat "$STAMP" 2>/dev/null || true)
if [[ "$CURRENT_HASH" != "$INSTALLED_HASH" ]]; then
echo "Installing the converter dependencies..."
"$VENV_DIR/bin/python" -m pip install --disable-pip-version-check -r "$REQUIREMENTS"
printf '%s\n' "$CURRENT_HASH" >"$STAMP"
fi
PYTHON="$VENV_DIR/bin/python"
fi
export PYTHONPATH="$ROOT_DIR/src${PYTHONPATH:+:$PYTHONPATH}"
exec "$PYTHON" -m proxmenux_oci "$@"