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|
#!/bin/bash
BASEROCK_BASE="${BASEROCK_BASE:-/opt/baserock/chroots}"
ACTION="$1"
SYSTEM=$(echo $2 | tr -c -d A-Za-z0-9_-)
URL="$3"
list_baserocks () {
(cd "${BASEROCK_BASE}" && ls -d */baserock) 2>/dev/null | sed -e's@/baserock$@@'
}
case "${ACTION}" in
list)
for SYSTEM in $(list_baserocks); do
if test -e "${BASEROCK_BASE}/${SYSTEM}/default"; then
echo "${SYSTEM} *"
else
echo "${SYSTEM}"
fi
done
;;
add)
if test $(id -u) != "0"; then
exec sudo "$0" "$@"
fi
if test -d "${BASEROCK_BASE}/${SYSTEM}/baserock"; then
echo "Sorry, $SYSTEM already exists"
exit 1
fi
TEMP_BASE=$(mktemp -d --tmpdir="${BASEROCK_BASE}")
cleanup () { rm -rf "${TEMP_BASE}"; }
trap cleanup 0
if test "x${URL}" = "x${URL##http://}" -a "x${URL}" = "x${URL##https://}"; then
if ! ln -s "$(readlink -e "${URL}")" "${TEMP_BASE}/tarball"; then
echo "Sorry, could not link ${URL} into place";
exit 1;
fi
else
if ! wget -O "${TEMP_BASE}/tarball" "$URL"; then
echo "Sorry, could not download ${URL}";
exit 1;
fi
fi
mkdir "${TEMP_BASE}/root"
if ! tar -C "${TEMP_BASE}/root" -xf "${TEMP_BASE}/tarball"; then
echo "Sorry, could not unpack ${URL}";
exit 1;
fi
ENTRIES=$(ls "${TEMP_BASE}/root" | wc -l | sed -e's/^ *//;s/ *$//')
if test "x${ENTRIES}" = "x1"; then
mv "${TEMP_BASE}/root/"* "${BASEROCK_BASE}/${SYSTEM}"
else
mv "${TEMP_BASE}/root" "${BASEROCK_BASE}/${SYSTEM}"
fi
if ! test -d "${BASEROCK_BASE}/${SYSTEM}/baserock"; then
echo "Sorry, ${URL} does not appear to contain a baserock system";
rm -rf "${BASEROCK_BASE}/${SYSTEM}";
exit 1;
fi
NR_BRS=$(list_baserocks | wc -l | sed -e's/^ *//;s/ *$//')
if test "$NR_BRS" = "1"; then
touch "${BASEROCK_BASE}/${SYSTEM}/default"
fi
if ! test -r "${BASEROCK_BASE}/${SYSTEM}/root/.bashrc"; then
cat > "${BASEROCK_BASE}/${SYSTEM}/root/.bashrc" <<EOF
PS1="\u@\h(baserock-${SYSTEM}):\w\$ "
EOF
fi
if ! test -r "${BASEROCK_BASE}/${SYSTEM}/root/.bash_profile"; then
cat > "${BASEROCK_BASE}/${SYSTEM}/root/.bash_profile" <<EOF
. ~/.bashrc
EOF
fi
br-ct-sync-chroots
;;
rm)
if test $(id -u) != "0"; then
exec sudo "$0" "$@"
fi
if ! test -d "${BASEROCK_BASE}/${SYSTEM}/baserock"; then
echo "Sorry, $SYSTEM does not exist or is not a baserock chroot"
exit 1
fi
rm -rf "${BASEROCK_BASE}/${SYSTEM}"
br-ct-sync-chroots
;;
set-default)
if test $(id -u) != "0"; then
exec sudo "$0" "$@"
fi
if ! test -d "${BASEROCK_BASE}/${SYSTEM}/baserock"; then
echo "Sorry, $SYSTEM does not exist or is not a baserock chroot"
exit 1
fi
rm -f "${BASEROCK_BASE}/"*/default
touch "${BASEROCK_BASE}/${SYSTEM}/default"
br-ct-sync-chroots
;;
*)
echo >&2 "usage: $0 list | add <name> <url> | rm <name> | set-default <name>"
exit 1
;;
esac
|
