apt-脱机get : IndexError:列表索引超出范围

Question

我试图从Ubuntu 18下的另一台计算机升级Ubuntu 16下的一台没有互联网的计算机。在Ubuntu16计算机下，我升级了：

$ sudo apt-offline set ~/offline-data.sig

然后，我用Ubuntu18文件切换到.sig文件，尝试使用apt脱机，但是在下载包时遇到了这个错误：

$ apt-offline get -d ./OfflineUpgrade/ offline-data.sig
Fetching APT Data
Traceback (most recent call last):
  File "/usr/bin/apt-offline", line 28, in 
    main()
  File "/usr/lib/python3/dist-packages/apt_offline_core/AptOfflineCoreLib.py", line 2211, in main
    args.func(args)
  File "/usr/lib/python3/dist-packages/apt_offline_core/AptOfflineCoreLib.py", line 1135, in fetcher
    (ItemURL, ItemFile, ItemSize, ItemChecksum) = stripper(item)
  File "/usr/lib/python3/dist-packages/apt_offline_core/AptOfflineCoreLib.py", line 814, in stripper
    item1 = ''.join(item[1])
IndexError: list index out of range

我的脱机-data.sig看起来如下：

'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/InRelease' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_InRelease 0 
'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/main/binary-amd64/Packages.xz' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_main_binary-amd64_Packages 0 
'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/main/binary-i386/Packages.xz' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_main_binary-i386_Packages 0 
'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/main/binary-all/Packages.xz' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_main_binary-all_Packages 0 
'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/main/i18n/Translation-fr_FR.xz' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_main_i18n_Translation-fr%5fFR 0 
'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/main/i18n/Translation-fr.xz' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_main_i18n_Translation-fr 0 
'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/main/i18n/Translation-en.xz' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_main_i18n_Translation-en 0 
'https://esm.ubuntu.com/infra/ubuntu/dists/xenial-infra-security/main/dep11/Components-amd64.yml.xz' esm.ubuntu.com_infra_ubuntu_dists_xenial-infra-security_main_dep11_Components-amd64.yml 0 

我怎么才能解决这个问题？

Answer 1

因此，问题来自于通过apt离线对.sig文件的不同编写。在我编写它的Ubuntu 16中，该文件以几行空白文本结尾：

'http://fr.archive.ubuntu.com/ubuntu/dists/xenial-backports/multiverse/dep11/icons-64x64.tar.xz' fr.archive.ubuntu.com_ubuntu_dists_xenial-backports_multiverse_dep11_icons-64x64.tar 0 

Enable UA Infra: ESM to receive additional future security updates.

See https://ubuntu.com/esm or run: sudo ua status

而读它的Ubuntu 18以完整的行结束：

'http://at.archive.ubuntu.com/ubuntu/pool/main/i/initramfs-tools/initramfs-tools-bin_0.130ubuntu3.12_amd64.deb' initramfs-tools-bin_0.130ubuntu3.12_amd64.deb 11156 MD5Sum:43c52cbf0447849d6997b454b4fc8d8d

所以抹去最后一行就行了。