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Thank you for the quick response! I tried to build the current HEAD to verify the fix with ``` ./bootstrap && ./configure && make ``` but got the following error
> cc1: fatal error: ./parse-datetime.c: No such file or directory
There is `gnu/parse-datetime.y`, but no `gnu/parse-datetime.c` indeed. Any ideas?
The "This does not look like a tar archive" is not an error, but a warning. It is produced, in particular, when tar is unable to determine file format by signature and file size is less than tar block size. When the signature recognition fails, tar tries to determine file format by its suffix. In this case, it succeeded and extracted the files. I have installed the following fix to recognized LZMA files produced by xz: http://git.savannah.gnu.org/cgit/tar.git/commit/?id=02f9af1b8df67e55ceb19ea1465d210a2fa1f02c PS: The --auto-compress option is not needed when extracting.
The following script ```bash mkdir test && cd test mkdir files touch files/{1,2,3} tar --create --file "test.lzma" files/{1,2,3} --auto-compress mkdir extracted_files tar --extract --file "test.lzma" --directory extracted_files --auto-compress ``` produces the following error:
> tar: This does not look like a tar archive
but actually tar+compress and uncompress+untar do happen (files are in place). Why is this happening? Is it some kind of bug in `tar`? On my system: ``` xz --version xz (XZ Utils) 5.2.7 liblzma 5.2.7 tar --version tar (GNU tar) 1.34 file test/test.lzma test/test.lzma: LZMA compressed data, streamed ls test/extracted_files/ files ``` You can also reproduce it in https://replit.com/languages/bash (with `xz (XZ Utils) 5.2.2` and `tar (GNU tar) 1.34`). But not in https://www.onlinegdb.com/online_bash_shell (with `xz (XZ Utils) 5.2.4` and `tar (GNU tar) 1.30`). Also see https://unix.stackexchange.com/q/721903.
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