安装以前版本的 tar 包

Question

我当前的 tar 版本是

p@p-ubuntu:~/ba/tar-1.25$ sudo apt-cache showpkg tar
Package: tar
Versions: 
1.27.1-1ubuntu0.1 (/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty-updates_main_binary-amd64_Packages) (/var/lib/apt/lists/security.ubuntu.com_ubuntu_dists_trusty-security_main_binary-amd64_Packages) (/var/lib/dpkg/status)
 Description Language: 
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_main_binary-amd64_Packages
                  MD5: 48033bf96442788d1f697785773ad9bb
 Description Language: en
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en
                  MD5: 48033bf96442788d1f697785773ad9bb

1.27.1-1 (/var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_main_binary-amd64_Packages)
 Description Language: 
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_main_binary-amd64_Packages
                  MD5: 48033bf96442788d1f697785773ad9bb
 Description Language: en
                 File: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_trusty_main_i18n_Translation-en
                  MD5: 48033bf96442788d1f697785773ad9bb


Reverse Depends: 
  dpkg,tar 1.23
  tar:i386,tar
  dpkg,tar 1.23
  tar:i386,tar
  vfu,tar 1.20-1
  pristine-tar,tar 1.27-3
  patool,tar 1.26
  dump,tar 1.13.92-3
  amanda-common,tar 1.12
  dpkg,tar 1.23
  backuppc,tar 1.13
Dependencies: 
1.27.1-1ubuntu0.1 - libacl1 (2 2.2.51-8) libc6 (2 2.17) libselinux1 (2 1.32) bzip2 (0 (null)) ncompress (0 (null)) xz-utils (0 (null)) tar-scripts (0 (null)) cpio (1 2.4.2-38) cpio:i386 (1 2.4.2-38) dpkg-dev (3 1.14.26) dpkg-dev:i386 (3 1.14.26) cpio (3 2.4.2-39) cpio:i386 (3 2.4.2-39) tar:i386 (0 (null)) 
1.27.1-1 - libacl1 (2 2.2.51-8) libc6 (2 2.17) libselinux1 (2 1.32) bzip2 (0 (null)) ncompress (0 (null)) xz-utils (0 (null)) tar-scripts (0 (null)) cpio (1 2.4.2-38) cpio:i386 (1 2.4.2-38) dpkg-dev (3 1.14.26) dpkg-dev:i386 (3 1.14.26) cpio (3 2.4.2-39) cpio:i386 (3 2.4.2-39) tar:i386 (0 (null)) 
Provides: 
1.27.1-1ubuntu0.1 - tar:i386 
1.27.1-1 - tar:i386 
Reverse Provides: 
tar:i386 1.27.1-1ubuntu0.1
tar:i386 1.27.1-1

现在，我需要安装 1.25 版的 tar。不确定如何找到确切的版本号。我试过了，但没有用。

p@p-ubuntu:~/ba/tar-1.25$ sudo apt-get install  tar=1.26-4ubuntu1
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Version '1.26-4ubuntu1' for 'tar' was not found