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#!/bin/sh -e
# get certbot version
if [ ! -f "$SNAP/certbot-shared/certbot-version.txt" ]; then
echo "No certbot version available; not doing version comparison check" >> "$SNAP_DATA/debuglog"
exit 0
fi
cb_installed=$(cat $SNAP/certbot-shared/certbot-version.txt)
# get required certbot version for plugin
cb_required=$(grep -oP "certbot>=\K.*(?=')" $SNAP/setup.py)
python3 -c "from distutils.version import LooseVersion; import sys; sys.exit(1) if\
LooseVersion('$cb_installed') < LooseVersion('$cb_required') else sys.exit(0)" || exit_code=$?
if [ "$exit_code" -eq 1 ]; then
echo "Certbot is version $cb_installed but needs to be at least $cb_required before" \
"this plugin can be updated; will try again on next refresh."
exit 1
fi
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