接前一篇文章：玩转贝启科技BQ3588C开源鸿蒙系统开发板 ------ 编译构建及此过程中的踩坑填坑（3）
上一回重走OpenHarmony的编译构建流程，完成了第1步------安装依赖工具。本回继续往下进行。
2. 获取 标准系统源码
这一步和之前并无不同，参考：玩转贝启科技BQ3588C开源鸿蒙系统开发板 ------ 代码下载（2）
（1）前提条件
1）注册码云gitee账号
2）注册码云SSH公钥，请参考码云帮助中心（Gitee 帮助中心 - Gitee.com）
由于笔者在前几年注册过，因此无需再次注册。
3）安装git客户端和git-lfs并配置用户信息
git config --global user.name "yourname"
git config --global user.email "your-email-address"
git config --global credential.helper store
实际命令及结果如下（由于涉及隐私，因此以xxx代表实际的用户名和邮箱地址）：
bash
$ git config --global user.name "xxx"
$
$ git config --global user.email "xxx@xxx.com"
$
$ git config --global credential.helper store
$ 4）安装码云repo工具
可以执行如下命令：
curl -s https://gitee.com/oschina/repo/raw/fork_flow/repo-py3 \>/usr/local/bin/repo \#如果没有权限，可下载至其他目录，并将其配置到环境变中
chmod a+x /usr/local/bin/repo
pip3 install -i Simple index requests
各步骤实际命令及结果如下：
bash
$ sudo chmod 777 /usr/local/bin/
[sudo] password for ph:
$ ls -l /usr/local/
total 32
drwxrwxrwx 2 root root 4096 8月 8 06:52 bin
drwxr-xr-x 2 root root 4096 8月 8 06:52 etc
drwxr-xr-x 2 root root 4096 8月 8 06:52 games
drwxr-xr-x 2 root root 4096 8月 8 06:52 include
drwxr-xr-x 3 root root 4096 8月 8 06:52 lib
lrwxrwxrwx 1 root root 9 1月 5 00:57 man -> share/man
drwxr-xr-x 2 root root 4096 8月 8 06:52 sbin
drwxr-xr-x 7 root root 4096 8月 8 06:55 share
drwxr-xr-x 2 root root 4096 8月 8 06:52 src
bash
$ curl -s https://gitee.com/oschina/repo/raw/fork_flow/repo-py3 > /usr/local/bin/repo
$
bash
$ chmod a+x /usr/local/bin/repo
$
bash
$ pip3 install -i https://repo.huaweicloud.com/repository/pypi/simple requests
Defaulting to user installation because normal site-packages is not writeable
Looking in indexes: https://repo.huaweicloud.com/repository/pypi/simple
Requirement already satisfied: requests in /usr/lib/python3/dist-packages (2.25.1)（2）获取各版本源码操作步骤
1）下载4.0-Release版本代码
- 通过repo + ssh下载（需注册公钥，请参考码云帮助中心 Gitee 帮助中心 - Gitee.com）
repo init -u git@gitee.com:bearkey/manifest.git -b bearkey-bq3588c-4.0release --no-repo-verify
repo sync -c
repo forall -c 'git lfs pull'
- 通过repo + https下载
repo init -u bearkey/manifest -b bearkey-bq3588c-4.0release --no-repo-verify
repo sync -c
repo forall -c 'git lfs pull'
这里笔者选择后一种方法"通过repo + https下载"，各步骤实际命令及结果如下：
- 新建目录并进入（可选）
新建一个目录（文件夹），以存放OpenHarmony源码。
bash
$ mkdir OpenHarmony_Source
$ ls
Desktop Documents Downloads Music OpenHarmony_Source Pictures Public snap Templates Videos进入此目录。
bash
$ cd OpenHarmony_Source/
~/OpenHarmony_Source$ ls- 创建软链接
bash
$ sudo ln -s /usr/bin/python3 /usr/bin/python
$
bash
$ ls /usr/bin/python*
/usr/bin/python /usr/bin/python3 /usr/bin/python3.10 /usr/bin/python3.10-config /usr/bin/python3-config /usr/bin/python3-futurize /usr/bin/python3-pasteurize- repo init
bash
$ repo init -u https://gitee.com/bearkey/manifest.git -b bearkey-bq3588c-4.0release --no-repo-verify
Downloading Repo source from https://gitee.com/oschina/repo.git
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repo: warning: verification of repo code has been disabled;
repo will not be able to verify the integrity of itself.
Downloading manifest from https://gitee.com/bearkey/manifest.git
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Your identity is: phmatthaus <phmatthaus@163.com>
If you want to change this, please re-run 'repo init' with --config-name
repo has been initialized in /home/ph/OpenHarmony_Source- repo sync
bash
$ repo sync -c
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......
......
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Fetching projects: 85% (407/474) third_party_rust_libcremote: Enumerating objects: 667, done.
remote: Enumerating objects: 13942, done.
remote: Enumerating objects: 12657, done.
remote: Total 13942 (delta 0), reused 0 (delta 0), pack-reused 13942
remote: Total 12657 (delta 0), reused 0 (delta 0), pack-reused 12657
Fetching projects: 86% (409/474) third_party_rust_nomremote: Enumerating objects: 4583, done.
remote: Total 4583 (delta 0), reused 0 (delta 0), pack-reused 4583
remote: Enumerating objects: 1604, done.
Fetching projects: 86% (410/474) third_party_rust_num-traitsremote: Total 1604 (delta 0), reused 0 (delta 0), pack-reused 1604
Fetching projects: 86% (411/474) third_party_rust_once_cellremote: Enumerating objects: 1197, done.
remote: Total 1197 (delta 0), reused 0 (delta 0), pack-reused 1197
Fetching projects: 86% (412/474) third_party_rust_os_str_bytesremote: Enumerating objects: 43, done.
remote: Total 43 (delta 0), reused 0 (delta 0), pack-reused 43
Fetching projects: 87% (413/474) third_party_rust_peeking_take_whileremote: Enumerating objects: 2154, done.
remote: Total 2154 (delta 0), reused 0 (delta 0), pack-reused 2154
remote: Enumerating objects: 172, done.
remote: Total 172 (delta 0), reused 0 (delta 0), pack-reused 172
Fetching projects: 87% (415/474) third_party_rust_pin-project-literemote: Enumerating objects: 849, done.
remote: Enumerating objects: 1196, done.
remote: Total 849 (delta 0), reused 0 (delta 0), pack-reused 849
remote: Total 1196 (delta 0), reused 0 (delta 0), pack-reused 1196
Fetching projects: 87% (417/474) third_party_rust_proc-macro-errorremote: Total 667 (delta 0), reused 0 (delta 0), pack-reused 667
remote: Enumerating objects: 2294, done.
remote: Enumerating objects: 3422, done.
remote: Total 2294 (delta 0), reused 0 (delta 0), pack-reused 2294
remote: Total 3422 (delta 0), reused 0 (delta 0), pack-reused 3422
Fetching projects: 88% (420/474) third_party_rust_proc-macro2remote: Enumerating objects: 6579, done.
remote: Enumerating objects: 11746, done.
remote: Counting objects: 100% (1/1), done.
remote: Enumerating objects: 286, done.
remote: Total 286 (delta 0), reused 0 (delta 0), pack-reused 286
Fetching projects: 88% (421/474) third_party_rust_rust-cexprremote: Total 11746 (delta 0), reused 0 (delta 0), pack-reused 11745
remote: Total 6579 (delta 0), reused 0 (delta 0), pack-reused 6579
remote: Enumerating objects: 472, done.
remote: Total 472 (delta 0), reused 0 (delta 0), pack-reused 472
Fetching projects: 89% (424/474) third_party_rust_rust-opensslremote: Enumerating objects: 80, done.
remote: Total 80 (delta 0), reused 0 (delta 0), pack-reused 80
Fetching projects: 89% (425/474) third_party_rust_rustc-hashremote: Enumerating objects: 13217, done.
remote: Enumerating objects: 305, done.
remote: Total 305 (delta 0), reused 0 (delta 0), pack-reused 305
Fetching projects: 89% (426/474) third_party_rust_scopeguardremote: Total 13217 (delta 0), reused 0 (delta 0), pack-reused 13217
remote: Enumerating objects: 23668, done.
remote: Enumerating objects: 112, done.
remote: Total 112 (delta 0), reused 0 (delta 0), pack-reused 112
Fetching projects: 90% (428/474) third_party_rust_rustixremote: Enumerating objects: 1631, done.
remote: Total 23668 (delta 0), reused 0 (delta 0), pack-reused 23668
remote: Enumerating objects: 1062, done.
remote: Total 1062 (delta 0), reused 0 (delta 0), pack-reused 1062
remote: Total 1631 (delta 0), reused 0 (delta 0), pack-reused 1631
Fetching projects: 90% (431/474) third_party_rust_serderemote: Enumerating objects: 439, done.
remote: Enumerating objects: 19280, done.
remote: Total 439 (delta 0), reused 0 (delta 0), pack-reused 439
Fetching projects: 91% (432/474) third_party_rust_strsim-rsremote: Enumerating objects: 5164, done.
remote: Total 5164 (delta 0), reused 0 (delta 0), pack-reused 5164
Fetching projects: 91% (433/474) third_party_rust_termcolorremote: Enumerating objects: 13053, done.
remote: Total 19280 (delta 0), reused 0 (delta 0), pack-reused 19280
remote: Enumerating objects: 494, done.
remote: Total 13053 (delta 0), reused 0 (delta 0), pack-reused 13053
remote: Total 494 (delta 0), reused 0 (delta 0), pack-reused 494
Fetching projects: 91% (436/474) third_party_rust_synremote: Enumerating objects: 215, done.
remote: Total 215 (delta 0), reused 0 (delta 0), pack-reused 215
Fetching projects: 92% (437/474) third_party_rust_unicode-widthremote: Enumerating objects: 256, done.
remote: Total 256 (delta 0), reused 0 (delta 0), pack-reused 256
Fetching projects: 92% (438/474) third_party_rust_version_checkremote: Enumerating objects: 568, done.
remote: Total 568 (delta 0), reused 0 (delta 0), pack-reused 568
Fetching projects: 92% (439/474) third_party_rust_which-rsremote: Enumerating objects: 24593, done.
remote: Counting objects: 100% (17/17), done.
remote: Enumerating objects: 3214, done.
remote: Enumerating objects: 654277, done.
remote: Counting objects: 100% (1022/1022), done.
remote: Compressing objects: 100% (21/21), done.
remote: Total 3214 (delta 0), reused 0 (delta 0), pack-reused 3214
Fetching projects: 92% (440/474) third_party_spirv-headersremote: Enumerating objects: 36334, done.
remote: Total 24593 (delta 16), reused 16 (delta 16), pack-reused 24576
Fetching projects: 93% (441/474) third_party_selinuxremote: Total 36334 (delta 0), reused 0 (delta 0), pack-reused 36334
remote: Enumerating objects: 338, done.
remote: Total 338 (delta 0), reused 0 (delta 0), pack-reused 338
Fetching projects: 93% (443/474) third_party_sqliteremote: Enumerating objects: 1223, done.
remote: Counting objects: 100% (1/1), done.
remote: Enumerating objects: 479000, done.
remote: Counting objects: 100% (11864/11864), done.
remote: Compressing objects: 100% (43/43), done.
remote: Total 1223 (delta 0), reused 0 (delta 0), pack-reused 1222
Fetching projects: 93% (444/474) third_party_toyboxremote: Enumerating objects: 206, done.
remote: Counting objects: 100% (7/7), done.
remote: Compressing objects: 100% (5/5), done.
remote: Total 206 (delta 3), reused 6 (delta 2), pack-reused 199
Fetching projects: 93% (445/474) third_party_tzdataremote: Enumerating objects: 5465, done.
remote: Total 5465 (delta 0), reused 0 (delta 0), pack-reused 5465
Fetching projects: 94% (446/474) third_party_unityremote: Enumerating objects: 139138, done.
remote: Counting objects: 100% (4462/4462), done.
remote: Compressing objects: 100% (116/116), done.
Fetching projects: 94% (447/474) third_party_mesa3dremote: Enumerating objects: 2228, done.
remote: Counting objects: 100% (11/11), done.
remote: Compressing objects: 100% (10/10), done.
remote: Total 2228 (delta 1), reused 7 (delta 1), pack-reused 2217
Fetching projects: 94% (448/474) third_party_vulkan-headersremote: Enumerating objects: 19442, done.
remote: Total 19442 (delta 0), reused 0 (delta 0), pack-reused 19442
Fetching projects: 94% (449/474) third_party_vulkan-loaderremote: Enumerating objects: 648, done.
remote: Counting objects: 100% (12/12), done.
remote: Compressing objects: 100% (7/7), done.
remote: Total 648 (delta 5), reused 5 (delta 5), pack-reused 636
Fetching projects: 94% (450/474) third_party_weex-loaderremote: Enumerating objects: 4256, done.
remote: Counting objects: 100% (570/570), done.
remote: Compressing objects: 100% (10/10), done.
remote: Total 4256 (delta 563), reused 560 (delta 560), pack-reused 3686
Fetching projects: 95% (451/474) third_party_wpa_supplicantremote: Enumerating objects: 5295, done.
remote: Counting objects: 100% (3/3), done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 5295 (delta 2), reused 0 (delta 0), pack-reused 5292
Fetching projects: 95% (452/474) third_party_zlibremote: Enumerating objects: 142, done.
remote: Total 142 (delta 0), reused 0 (delta 0), pack-reused 142
Fetching projects: 95% (453/474) vendor_alientekremote: Enumerating objects: 369, done.
remote: Total 369 (delta 0), reused 0 (delta 0), pack-reused 369
Fetching projects: 95% (454/474) vendor_asrmicroremote: Enumerating objects: 777, done.
remote: Counting objects: 100% (14/14), done.
remote: Compressing objects: 100% (11/11), done.
remote: Total 777 (delta 5), reused 10 (delta 3), pack-reused 763
Fetching projects: 95% (455/474) vendor_bearpiremote: Enumerating objects: 278, done.
remote: Total 139138 (delta 4390), reused 4346 (delta 4346), pack-reused 134676
remote: Total 278 (delta 0), reused 0 (delta 0), pack-reused 278
Fetching projects: 96% (456/474) vendor_bekenremote: Enumerating objects: 2371, done.
remote: Counting objects: 100% (371/371), done.
remote: Compressing objects: 100% (48/48), done.
remote: Total 2371 (delta 343), reused 323 (delta 323), pack-reused 2000
Fetching projects: 96% (457/474) vendor_bestechnicremote: Enumerating objects: 624, done.
remote: Total 624 (delta 0), reused 0 (delta 0), pack-reused 624
Fetching projects: 96% (458/474) vendor_chipsearemote: Enumerating objects: 665, done.
remote: Counting objects: 100% (7/7), done.
remote: Compressing objects: 100% (4/4), done.
remote: Total 665 (delta 4), reused 3 (delta 3), pack-reused 658
Fetching projects: 96% (459/474) vendor_goodixremote: Enumerating objects: 6513, done.
remote: Counting objects: 100% (6513/6513), done.
remote: Compressing objects: 100% (2564/2564), done.
remote: Total 6513 (delta 3802), reused 6451 (delta 3747), pack-reused 0
Fetching projects: 97% (460/474) vendor_hihoperemote: Enumerating objects: 10761, done.
remote: Counting objects: 100% (250/250), done.
remote: Compressing objects: 100% (79/79), done.
remote: Total 654277 (delta 1011), reused 1001 (delta 1001), pack-reused 653255
remote: Total 10761 (delta 210), reused 180 (delta 169), pack-reused 10511
Fetching projects: 97% (461/474) vendor_hisiliconremote: Enumerating objects: 238, done.
remote: Total 238 (delta 0), reused 0 (delta 0), pack-reused 238
Fetching projects: 97% (462/474) vendor_hpmicroremote: Enumerating objects: 2869, done.
remote: Total 2869 (delta 0), reused 0 (delta 0), pack-reused 2869
Fetching projects: 97% (463/474) vendor_isoftstoneremote: Enumerating objects: 721, done.
remote: Total 721 (delta 0), reused 0 (delta 0), pack-reused 721
Fetching projects: 97% (464/474) vendor_kaihongremote: Enumerating objects: 1597, done.
remote: Counting objects: 100% (5/5), done.
remote: Compressing objects: 100% (5/5), done.
remote: Total 1597 (delta 0), reused 1 (delta 0), pack-reused 1592
Fetching projects: 98% (465/474) vendor_lockzhinerremote: Enumerating objects: 1989, done.
remote: Total 1989 (delta 0), reused 0 (delta 0), pack-reused 1989
Fetching projects: 98% (466/474) vendor_ohemuremote: Enumerating objects: 796, done.
remote: Total 796 (delta 0), reused 0 (delta 0), pack-reused 796
Fetching projects: 98% (467/474) vendor_openvalleyremote: Enumerating objects: 407, done.
remote: Total 407 (delta 0), reused 0 (delta 0), pack-reused 407
Fetching projects: 98% (468/474) vendor_oswareremote: Enumerating objects: 239, done.
remote: Total 239 (delta 0), reused 0 (delta 0), pack-reused 239
Fetching projects: 98% (469/474) vendor_talkwebremote: Enumerating objects: 659, done.
remote: Total 659 (delta 0), reused 0 (delta 0), pack-reused 659
Fetching projects: 99% (470/474) vendor_telinkremote: Enumerating objects: 7513, done.
remote: Counting objects: 100% (748/748), done.
remote: Compressing objects: 100% (16/16), done.
remote: Total 7513 (delta 732), reused 732 (delta 732), pack-reused 6765
Fetching projects: 99% (471/474) vendor_unionmanremote: Total 479000 (delta 11843), reused 11821 (delta 11821), pack-reused 467136
Fetching projects: 100% (474/474), done.
Updating files: 100% (12798/12798), done.
Updating files: 100% (184/184), done.global_resource_management_liteUpdating files: 32% (60/184)
Updating files: 100% (2522/2522), done.eveloptools_packing_toolUpdating files: 58% (1468/2522)
Updating files: 100% (1901/1901), done.eveloptools_profilerUpdating files: 96% (1842/1901)
Updating files: 100% (623/623), done. developtools_syscap_codecUpdating files: 79% (498/623)
Updating files: 100% (2556/2556), done.evice_board_hpmicroUpdating files: 40% (1046/2556)
Updating files: 100% (107/107), done. device_qemuUpdating files: 71% (77/107)
Updating files: 100% (349/349), done. device_soc_allwinnerUpdating files: 25% (89/349)
Updating files: 100% (394/394), done. device_soc_bekenUpdating files: 95% (377/394)
Updating files: 100% (3970/3970), done.evice_soc_goodixUpdating files: 30% (1205/3970)
Updating files: 100% (124/124), done. device_soc_hpmicroUpdating files: 80% (100/124)
Updating files: 100% (3893/3893), done.evice_soc_nxpUpdating files: 1% (70/3893)
Updating files: 100% (13322/13322), done.ice_soc_winnermicroUpdating files: 5% (788/13322)
Updating files: 100% (7697/7697), done.i_neural_network_runtimeUpdating files: 98% (7553/7697)
Updating files: 100% (558/558), done. arkui_ui_appearanceUpdating files: 92% (514/558)
Updating files: 100% (716/716), done. multimedia_audio_liteUpdating files: 63% (453/716)
Updating files: 100% (431/431), done. multimedia_histreamerUpdating files: 95% (411/431)
Updating files: 100% (70910/70910), done.nel_linux_configUpdating files: 11% (8110/70910)
Updating files: 100% (2078/2078), done.ernel_linux_5.10Updating files: 99% (2067/2078)
Updating files: 100% (24037/24037), done.tfwk_xdeviceUpdating files: 33% (7996/24037)
Updating files: 100% (7487/7487), done.hird_party_f2fs-toolsUpdating files: 52% (3947/7487)
Updating files: 100% (27612/27612), done.rd_party_flatbuffersUpdating files: 5% (1617/27612)
Updating files: 100% (6479/6479), done.hird_party_grpcUpdating files: 70% (4581/6479)
Updating files: 100% (10203/10203), done.rd_party_harfbuzzUpdating files: 28% (2948/10203)
Updating files: 100% (2609/2609), done.hird_party_jsoncppUpdating files: 21% (565/2609)
Updating files: 100% (8460/8460), done.hird_party_mbedtlsUpdating files: 40% (3402/8460)
Updating files: 100% (58/58), done.4) third_party_mesa3dUpdating files: 34% (20/58)
Updating files: 100% (12687/12687), done.rd_party_ninjaUpdating files: 50% (6345/12687)
Updating files: 100% (1517/1517), done.hird_party_ntfs-3gUpdating files: 85% (1299/1517)
Updating files: 100% (24455/24455), done.rd_party_openmaxUpdating files: 64% (15774/24455)
Updating files: 100% (4394/4394), done.hird_party_pulseaudioUpdating files: 72% (3176/4394)
Updating files: 100% (127/127), done. third_party_rust_memoffsetUpdating files: 41% (53/127)
Updating files: 100% (54815/54815), done.rd_party_selinuxUpdating files: 9% (4984/54815)
Updating files: 100% (59035/59035), done.rd_party_toyboxUpdating files: 10% (6163/59035)
Updating files: 100% (6429/6429), done.hird_party_unityUpdating files: 1% (126/6429)
Updating files: 100% (497/497), done. vendor_telinkUpdating files: 61% (305/497)
Checking out projects: 100% (474/474), done.
repo sync has finished successfully.
此步骤需要一定时间，执行完这条命令后，目录中有了代码，如下：
bash
ph@ph-virtual-machine:~/OpenHarmony_Source$ ls
applications base build.py commonlibrary device domains foundation interface napi_generator qemu-run third_party
arkcompiler build build.sh developtools docs drivers ide kernel productdefine test vendor
ph@ph-virtual-machine:~/OpenHarmony_Source$
ph@ph-virtual-machine:~/OpenHarmony_Source$ ls -l
total 76
drwxrwxr-x 4 ph ph 4096 1月 5 15:02 applications
drwxrwxr-x 6 ph ph 4096 1月 5 15:02 arkcompiler
drwxrwxr-x 24 ph ph 4096 1月 5 15:02 base
drwxrwxr-x 19 ph ph 4096 1月 5 15:02 build
lrwxrwxrwx 1 ph ph 28 1月 5 15:02 build.py -> build/build_scripts/build.py
lrwxrwxrwx 1 ph ph 28 1月 5 15:02 build.sh -> build/build_scripts/build.sh
drwxrwxr-x 7 ph ph 4096 1月 5 15:02 commonlibrary
drwxrwxr-x 14 ph ph 4096 1月 5 15:02 developtools
drwxrwxr-x 5 ph ph 4096 1月 5 15:02 device
drwxrwxr-x 6 ph ph 4096 1月 5 15:03 docs
drwxrwxr-x 3 ph ph 4096 1月 5 15:03 domains
drwxrwxr-x 7 ph ph 4096 1月 5 15:03 drivers
drwxrwxr-x 18 ph ph 4096 1月 5 15:03 foundation
drwxrwxr-x 3 ph ph 4096 1月 5 15:03 ide
drwxrwxr-x 3 ph ph 4096 1月 5 15:03 interface
drwxrwxr-x 6 ph ph 4096 1月 5 15:03 kernel
drwxrwxr-x 12 ph ph 4096 1月 5 15:03 napi_generator
drwxrwxr-x 3 ph ph 4096 1月 5 15:03 productdefine
lrwxrwxrwx 1 ph ph 28 1月 5 15:05 qemu-run -> vendor/ohemu/common/qemu-run
drwxrwxr-x 5 ph ph 4096 1月 5 15:03 test
drwxrwxr-x 114 ph ph 4096 1月 5 15:05 third_party
drwxrwxr-x 21 ph ph 4096 1月 5 15:05 vendor此时的磁盘空间占用情况为：
bash
$ df -h
Filesystem Size Used Avail Use% Mounted on
tmpfs 589M 2.1M 587M 1% /run
/dev/sda3 196G 47G 139G 26% /
tmpfs 2.9G 0 2.9G 0% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
/dev/sda2 512M 6.1M 506M 2% /boot/efi
tmpfs 589M 116K 589M 1% /run/user/1000
/dev/sr0 156M 156M 0 100% /media/ph/CDROM
/dev/sr1 4.7G 4.7G 0 100% /media/ph/Ubuntu 22.04.3 LTS amd64- repo forall
bash
$ repo forall -c 'git lfs pull'
Downloading LFS objects: 100% (1/1), 71 KB | 0 B/s "repo forall"这一条命令会逐一下载很多内容，虽然看起来只有一两行，但实际上信息是被后边的覆盖了，其实有很多，过程也比较长。
最终：
bash
$ repo forall -c 'git lfs pull'
$ 此时的磁盘空间占用情况为：
bash
$ df -h
Filesystem Size Used Avail Use% Mounted on
tmpfs 589M 2.1M 587M 1% /run
/dev/sda3 196G 49G 138G 27% /
tmpfs 2.9G 0 2.9G 0% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
/dev/sda2 512M 6.1M 506M 2% /boot/efi
tmpfs 589M 116K 589M 1% /run/user/1000
/dev/sr0 156M 156M 0 100% /media/ph/CDROM
/dev/sr1 4.7G 4.7G 0 100% /media/ph/Ubuntu 22.04.3 LTS amd64至此，第2步------获取标准系统源码就完成了。