晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
COMMAND="$1"
KERNEL_VERSION="$2"
BOOT_DIR_ABS="$3"
KERNEL_IMAGE="$4"
if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
exit 0
fi
if ! [[ -d "$BOOT_DIR_ABS" ]]; then
exit 0
fi
MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID
BOOT_DIR="/$MACHINE_ID/$KERNEL_VERSION"
BOOT_ROOT=${BOOT_DIR_ABS%$BOOT_DIR}
LOADER_ENTRY="$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf"
if [[ $COMMAND == remove ]]; then
exec rm -f "$LOADER_ENTRY"
fi
if ! [[ $COMMAND == add ]]; then
exit 1
fi
if ! [[ $KERNEL_IMAGE ]]; then
exit 1
fi
if [[ -f /etc/os-release ]]; then
. /etc/os-release
elif [[ -f /usr/lib/os-release ]]; then
. /usr/lib/os-release
fi
if ! [[ $PRETTY_NAME ]]; then
PRETTY_NAME="Linux $KERNEL_VERSION"
fi
if [[ -f /etc/kernel/cmdline ]]; then
read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline
elif [[ -f /usr/lib/kernel/cmdline ]]; then
read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline
else
declare -a BOOT_OPTIONS
read -r -d '' -a line < /proc/cmdline
for i in "${line[@]}"; do
[[ "${i#initrd=*}" != "$i" ]] && continue
BOOT_OPTIONS+=("$i")
done
fi
cp "$KERNEL_IMAGE" "$BOOT_DIR_ABS/linux" &&
chown root:root "$BOOT_DIR_ABS/linux" &&
chmod 0644 "$BOOT_DIR_ABS/linux" || {
echo "Could not copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'." >&2
exit 1
}
mkdir -p "${LOADER_ENTRY%/*}" || {
echo "Could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2
exit 1
}
{
echo "title $PRETTY_NAME"
echo "version $KERNEL_VERSION"
echo "machine-id $MACHINE_ID"
echo "options ${BOOT_OPTIONS[*]}"
echo "linux $BOOT_DIR/linux"
[[ -f $BOOT_DIR_ABS/initrd ]] && \
echo "initrd $BOOT_DIR/initrd"
:
} > "$LOADER_ENTRY" || {
echo "Could not create loader entry '$LOADER_ENTRY'." >&2
exit 1
}
exit 0