OK, I was able to verify it now, made a mistake earlier. I'll let
somebody else decide if this is desired behaviour.
Steps to reproduce:
$ echo "test" |xz > /tmp/test.txt.xz
$ chmod 444 /tmp/test.txt.xz
$ unxz /tmp/test.txt.xz
$ ls -la /tmp/test.txt*
-r--r--r-- 1 rolf rolf 5 Jun 4 13:06 /tmp/test.txt
gunzip exhibits the same behaviour, by the way.
** Changed in: xz-utils (Ubuntu)
Assignee: Rolf Leggewie (r0lf) => (unassigned)
** Changed in: xz-utils (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/806499
Title:
xz should warn before overwriting read-only files
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