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GNU tar bug — tar (GNU tar) 1.30 2017-12-17 06:43
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| $ for i in {1..3} ; do echo sample $i ; mkdir unpack$i && tar tvf sample$i.tar && bsdtar xf sample$i.tar -C unpack$i && find unpack$i -ls ; done | |
| sample 1 | |
| lrwxrwxrwx admin/admin 0 2018-05-17 15:27 foo -> bar | |
| -rw-r--r-- admin/admin 6 2018-05-17 15:27 foo | |
| 263199 4 drwxr-xr-x 2 admin admin 4096 May 17 15:48 unpack1 | |
| 266605 4 -rw-r--r-- 1 admin admin 6 May 17 15:27 unpack1/foo | |
| sample 2 | |
| lrwxrwxrwx admin/admin 0 2018-05-17 15:25 foo -> /bar | |
| -rw-r--r-- admin/admin 6 2018-05-17 15:25 foo | |
| 266606 4 drwxr-xr-x 2 admin admin 4096 May 17 15:48 unpack2 | |
| 266607 4 -rw-r--r-- 1 admin admin 6 May 17 15:25 unpack2/foo | |
| sample 3 | |
| lrwxrwxrwx admin/admin 0 2018-05-17 15:39 foo -> dir/bar | |
| -rw-r--r-- admin/admin 6 2018-05-17 15:39 foo | |
| 266608 4 drwxr-xr-x 2 admin admin 4096 May 17 15:48 unpack3 | |
| 266612 4 -rw-r--r-- 1 admin admin 6 May 17 15:39 unpack3/foo |
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| $ for i in {1..3} ; do echo sample $i ; mkdir unpack$i && tar tvf sample$i.tar && tar xf sample$i.tar -C unpack$i && find unpack$i -ls ; done | |
| sample 1 | |
| lrwxrwxrwx admin/admin 0 2018-05-17 15:27 foo -> bar | |
| -rw-r--r-- admin/admin 6 2018-05-17 15:27 foo | |
| 266605 4 drwxr-xr-x 2 admin admin 4096 May 17 15:40 unpack1 | |
| 266606 4 -rw-r--r-- 1 admin admin 6 May 17 15:27 unpack1/foo | |
| sample 2 | |
| lrwxrwxrwx admin/admin 0 2018-05-17 15:25 foo -> /bar | |
| -rw-r--r-- admin/admin 6 2018-05-17 15:25 foo | |
| 266607 4 drwxr-xr-x 2 admin admin 4096 May 17 15:40 unpack2 | |
| 266608 0 lrwxrwxrwx 1 admin admin 4 May 17 15:25 unpack2/foo -> /bar | |
| sample 3 | |
| lrwxrwxrwx admin/admin 0 2018-05-17 15:39 foo -> dir/bar | |
| -rw-r--r-- admin/admin 6 2018-05-17 15:39 foo | |
| 266612 4 drwxr-xr-x 2 admin admin 4096 May 17 15:40 unpack3 | |
| 266613 4 -rw-r--r-- 1 admin admin 6 May 17 15:39 unpack3/foo |
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On extract newer records in tar stream should by default overwrite older extracted items. In GNU tar this doesn't work if older record is a symlink which target starts with root (
/).Note how result of unpacking sample 2 differs in GNU tar case.