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install_dep
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# SPDX-FileCopyrightText: 2023-2024 UnionTech Software Technology Co., Ltd.
#
# SPDX-License-Identifier: GPL-3.0-or-later
#!/bin/bash
set -e
project_dir=$PWD
cache_dir=${LINGLONG_FETCH_CACHE:-$PWD/linglong/cache}
mkdir -p "$cache_dir"
# 文件名 deb-source.bash
# 包含要解压的deb目录
deb_dir=$(realpath "$1")
# 将deb解压到输出目录
target=$(realpath "$2")
# 默认会跳过base已安装的包，可以强制解压已安装的包
include="$3"
# 临时目录，将内容处理后再移动到 target
out_dir="$(mktemp -d)"
cd "$out_dir"
# 临时文件，用于记录deb文件列表
deb_list_file="$out_dir/deb.list"
# 临时文件，用于记录强制安装的包名
include_list_file="$out_dir/include.packages.list"
# 临时文件，用于记录跳过安装的包名
exclude_list_file="$out_dir/exclude.packages.list"
# 包数据存放的临时目录
data_list_dir="$out_dir/data"
# 生成文件列表
find "$deb_dir" -type f -name "*.deb" >"$deb_list_file"
echo "$include" | tr ',' '\n' >"$include_list_file"
# 用于记录安装的所有文件来自哪个包
mkdir /tmp/deb-source-file || true
# 如果base和runtime已安装则跳过，旧版本base没有/packages.list文件就使用/var/lib/dpkg/status
grep 'Package: ' /var/lib/dpkg/status >"$exclude_list_file" || true
# 跳过base和runtime已安装的包，也可使用install_dep_skip.list文件控制跳过哪些包
cat /packages.list /runtime/packages.list "$PREFIX/packages.list" "$project_dir/install_dep_skip.list" >>"$exclude_list_file" || true
# 遍历文件列表
while IFS= read -r deb_file; do
# 输出deb名，但不换行，便于在包名后面加skip
echo -n "$deb_file"
# 提取control文件
control_file=$(ar -t "$deb_file" | grep control.tar)
ar -x "$deb_file" "$control_file"
# 获取包名
pkg=$(tar -xf "$control_file" ./control -O | grep '^Package:' | awk '{print $2}')
rm "$control_file"
# 如果在base和runtime中已安装，并且不包含在include（强制安装）列表则跳过安装，否则安装到$PREFIX目录
if grep -q "^Package: $pkg$" "$exclude_list_file" && ! grep -q "^$pkg$" "$include_list_file"; then
echo " skip"
echo "$deb_file" >>/tmp/deb-source-file/skip.list
continue
fi
# 记录到 packages.list
echo "Package: $pkg" >>"$PREFIX/packages.list"
# 换行
echo ""
# 缓存解压后的data.tar文件，便于在下次使用时，加快安装速度
deb_sha=$(sha256sum "$deb_file" | awk '{print $1}')
data_cache="$cache_dir/install_dep_$deb_sha"
if [ ! -e "$data_cache" ]; then
data_cache_tmp="$cache_dir/install_dep_tmp_$deb_sha"
# 查找data.tar文件，文件会因为压缩格式不同，有不同的后缀，例如data.tar.xz、data.tar.gz
data_file=$(ar -t "$deb_file" | grep data.tar)
case "$data_file" in
*.xz) ar -p "$deb_file" "$data_file" | unxz >"$data_cache_tmp" ;;
*.gz) ar -p "$deb_file" "$data_file" | gunzip >"$data_cache_tmp" ;;
*.zst) ar -p "$deb_file" "$data_file" | unzstd >"$data_cache_tmp" ;;
*)
echo "unknown file type"
exit 1
;;
esac
mv "$data_cache_tmp" "$data_cache"
fi
# 解压data.tar文件到输出目录
mkdir "$data_list_dir"
tar -xvf "$data_cache" -C "$data_list_dir" >>"/tmp/deb-source-file/$(basename "$deb_file").list"
# 清理不需要复制的目录
rm -r "${data_list_dir:?}/usr/share/applications"* 2>/dev/null || true
# 修改pc文件的prefix
sed -i "s#/usr#$PREFIX#g" "$data_list_dir"/usr/lib/"$TRIPLET"/pkgconfig/*.pc 2>/dev/null || true
sed -i "s#/usr#$PREFIX#g" "$data_list_dir"/usr/share/pkgconfig/*.pc 2>/dev/null || true
# 修改指向/lib的绝对路径的软链接
find "$data_list_dir" -type l | while IFS= read -r file; do
linkTarget=$(readlink "$file")
# 如果指向的路径以/lib开头，并且文件不存在，则添加 /runtime 前缀
# 部分 dev 包会创建 so 文件的绝对链接指向 /lib 目录下
if echo "$linkTarget" | grep -q ^/lib && ! [ -f "$linkTarget" ]; then
ln -sf "$target$linkTarget" "$file"
echo " FIX LINK" "$linkTarget" "=>" "$target$linkTarget"
fi
done
# 修复动态库的RUNPATH
find "$data_list_dir" -type f | while IFS= read -r file; do
fileinfo=$(file "$file")
# skip non-dynamic librarie
if ! echo "$fileinfo" | grep -q 'shared object'; then
continue
fi
# skip debug file
if echo "$fileinfo" | grep -q 'with debug_info'; then
continue
fi
runpath=$(readelf -d "$file" | grep RUNPATH | awk '{print $NF}')
# skip without runpath
if ! echo "$runpath" | grep -q '^\[/'; then
continue
fi
# 如果RUNPATH使用绝对路径，则添加/runtime前缀
runpath=${runpath#[}
runpath=${runpath%]}
newRunpath=${runpath//usr\/lib/runtime\/lib}
newRunpath=${newRunpath//usr/runtime}
patchelf --set-rpath "$newRunpath" "$file"
echo " FIX RUNPATH" "$file" "$runpath" "=>" "$newRunpath"
done
# 复制/lib,/bin,/usr目录
cp -rP "$data_list_dir/lib" "$target" 2>/dev/null || true
cp -rP "$data_list_dir/bin" "$target" 2>/dev/null || true
cp -rP "$data_list_dir"/usr/* "$target" || true
rm -r "$data_list_dir"
done <"$deb_list_file"
# 修复相对路径的软链接(dev包内的软连接尝试修复指向base)
find "$target" -type l | while IFS= read -r file; do
# 获取链接的绝对路径
linkTarget=$(readlink -m "$file")
# 如果链接指向的文件不存在
if [ ! -e "$linkTarget" ]; then
# 去掉前缀查看/lib下是否存在
linkTarget="${linkTarget#$target}"
if [ -e "$linkTarget" ]; then
ln -sf "$linkTarget" "$file"
echo " FIX LINK" "$file" "=>" "$target$linkTarget"
fi
# 添加usr前缀查看/usr/lib下是否存在
linkTarget="/usr$target"
if [ -e "$linkTarget" ]; then
ln -sf "$target$linkTarget" "$file"
echo " FIX LINK" "$file" "=>" "$target$linkTarget"
fi
fi
done
# 更新ld.so.cache
if [ -n "$LINGLONG_LD_SO_CACHE" ]; then
ldconfig -C "$LINGLONG_LD_SO_CACHE"
fi
# 清理临时目录
rm -r "$out_dir"