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#!/bin/sh
set -eu
ver=$(dpkg-query --root="$1" -f '${db:Status-Status} ${Source} ${Version}' --show usr-is-merged 2>/dev/null || printf '')
case "$ver" in
'')
echo "no package called usr-is-merged is installed -- not running merged-usr essential hook" >&2
exit 0
;;
'installed mmdebstrap-dummy-usr-is-merged 1')
echo "dummy usr-is-merged package installed -- running merged-usr essential hook" >&2
;;
'installed usrmerge '*)
echo "usr-is-merged package from src:usrmerge installed -- not running merged-usr essential hook" >&2
exit 0
;;
*)
echo "unexpected situation for package usr-is-merged: $ver" >&2
exit 1
;;
esac
# resolve the script path using several methods in order:
# 1. using dirname -- "$0"
# 2. using ./hooks
# 3. using /usr/share/mmdebstrap/hooks/
for p in "$(dirname -- "$0")/.." ./hooks /usr/share/mmdebstrap/hooks; do
if [ -x "$p/merged-usr/setup00.sh" ] && [ -x "$p/merged-usr/extract00.sh" ] && [ -x "$p/merged-usr/essential00.sh" ]; then
"$p/merged-usr/essential00.sh" "$1"
exit 0
fi
done
echo "cannot find merged-usr hook anywhere" >&2
exit 1
|
