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How do I deal with this file?
While rebuilding a bunch of packages, I noticed:
# /usr/pkgsrc/editors/TeXmacs # make clean
===> Cleaning for TeXmacs-1.99.5nb11
Operation not permitted
Directory not empty
Directory not empty
rm: /usr/pkgsrc/editors/TeXmacs/work/TeXmacs-1.99.5-src: Directory not empty
rm: /usr/pkgsrc/editors/TeXmacs/work: Directory not empty
*** Error code 1
Just in case, I refetched the present TeXmacs disctribution, it was
identical to what I've had previously.
It turns out, if I
tar xzvpf /usr/pkgsrc/distfiles/TeXmacs-1.99.5-src.tar.gz
Here there is a file, called autotroll.m4, its contents appear fine.
Any attempt to modify the inode of this file fails, no matter the user
- and yes, I am trying to do this as root:
# unlink autotroll.m4
unlink: Operation not permitted
ktruss shows only EPERM at that moment.
The archive is restored as owned by UID 501; just in case I created a
user with this one, it did not help, so now I have some 4-5 copies of
this file in various places of the file system (the containing
directory can be written into).
I tested the same on another copy of the same 8.99.51 system, it
However, on another 8.99.50 system, I was able to unlink the same file
without a problem. This was under
NetBSD nbuild.lorien.lan 8.99.50 NetBSD 8.99.50 (XEN3_DOMU) #48: Sat
Jul 13 10:05:20 BST 2019
so a DOMu system.
I tried with a few older systems, e.g. 8.99.37, I couldn't unlink the file.
So here's the mistery, for me, at least. What is wrong with the inode
of this file, and what is there in GENERIC, but not in XEN3_DOMU
kernel, which doesn't allow it to be modified?
How should i remove this file? So far I've shepherded all the
autotroll directories in one place to be out of the way. but I can't
Further test - on NetBSD 8.1 using /usr/bin/tar I get:
(a1.tar.bz2 was created using /usr/bin/tar on 8.99.51, keeping the
extended headers apparently).
# /usr/bin/tar xjvpf a1.tar.bz2
tar: File extended headers posix ustar archive. Extracting as plain
files. Following files might be in the wrong directory or have wrong
tar: ustar vol 1, 3 files, 20992 bytes read, 0 bytes written in 1 secs
Now I can unlink autotroll1/autotroll.m4, the extended header contains
# cat autotroll1/PaxHeader/autotroll.m4
If I use bsdtar under 8.1, I again get the undeletable file - I guess
this one understands extended headers and restores them. GNU tar
reports the extended header and does not restore it by default - the
file can be unlinked:
# gtar xjvpf a1.tar.bz2
gtar: Ignoring unknown extended header keyword 'SCHILY.fflags'
gtar: autotroll1: time stamp 2019-07-30 11:17:46 is 1935.436904375 s
in the future
root@n8 [10:45:30] [/home/xci]
-> # unlink autotroll1/autotroll.m4
root@n8 [10:45:40] [/home/xci]
-> # cat autotroll1/PaxHeader/autotroll.m4
Apologies for the mess, I was trying things while writing this; it
also doesn't seem to be related to -current, to the best of my
understanding, but most likely to a wrong upstream TeXmacs
distribution file. I haven't dealt so far with extended headers and am
apparently somewhat confused where the problem lies.
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