On Fri, 2008-06-20 at 23:26 +0200, Cyril Brulebois wrote: > Frans Pop <[EMAIL PROTECTED]> (20/06/2008): > > $ sudo aptitude reinstall ncurses-base > > $ ls -l /lib/terminfo/*/* > > -rwxrwxrwx 1 root root 1481 2008-06-16 22:40 /lib/terminfo/a/ansi > > -rwxrwxrwx 1 root root 1502 2008-06-16 22:40 /lib/terminfo/c/cons25 > > -rwxrwxrwx 1 root root 1529 2008-06-16 22:40 /lib/terminfo/c/cygwin > > -rwxrwxrwx 1 root root 308 2008-06-16 22:40 /lib/terminfo/d/dumb > > [...] > > Maybe you could provide us with the part of your dpkg.log relative to > that particular “aptitude reinstall” run, maybe there are some leads > there. > > You could also strace it, following its childs.
debsums is doing it:
32321 execve("/usr/bin/debsums", ["/usr/bin/debsums", "--generate=nocheck",
"-sp", "/var/cache/apt/archives"], [/* 18 vars */]) = 0
...
32321 lstat64("wsvt25", {st_mode=S_IFLNK|0777, st_size=22, ...}) = 0
32321 chmod("wsvt25", 0777) = 0
32321 lstat64("wsvt25", {st_mode=S_IFLNK|0777, st_size=22, ...}) = 0
32321 unlink("wsvt25") = 0
It looks like it's unpacking the archive under /tmp, generating
checksums, then deleting the files as it goes. Before unlinking it uses
chmod, presumably to ensure the unlink will succeed. But chmod follows
sym-links, and these sym-links are absolute so it chmods the installed
files!
Ben.
--
Ben Hutchings
Absolutum obsoletum. (If it works, it's out of date.) - Stafford Beer
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