On Thu, Jun 18, 2009 at 12:50:08AM +0100, Antonio Radici wrote:
> Rocco (from upstream) has provided us with a test patch which should fix the
> problem, I've built a test package of mutt for you, it is based on mutt
> 1.5.20-1
> with the addition of that test patch.
>
> Can you please test if it fixes the problem?
Hi Antonio and Rocco,
Thanks, but I'm still seeing the bug with 1.5.20-1+fix533439.
Setting the access time to be equal to the modification time
seems to be an edge case that works for Bash but not XBiff.
xbiff's algorithm ("reset" means the user clicked on xbiff with
the mouse):
Now check for changes. If reset is set then we want to pretent that
there is no mail. If the mailbox is empty then we want to turn off
the flag. Otherwise if the mailbox has changed size then we want to
put the flag up, unless the mailbox has been read since the last
write.
The cases are:
o forced reset by user DOWN
o no mailbox or empty (zero-sized) mailbox DOWN
o if read after most recent write DOWN
o same size as last time no change
o bigger than last time UP
o smaller than last time but non-zero UP
Mutt's mbox(5) manpage matches Mutt 1.5.20's system:
If the modification-time (usually determined via stat(2)) of a
nonempty mbox file is greater than the access-time the file has
new mail.
I'm not sure what to do with this bug now.
Some test results:
xbiff only checks for updates every 30 seconds, unless it's
forced to redraw by being obscured and then exposed (which I'm
doing at every stage in testing this).
Similarly I've set bash's MAILCHECK delay to 1 second.
I'm running "frm" in the middle (package mailutils, lists the
headers of all mails), but omitting that step doesn't change the
results of the other steps.
During the test below, there is other mail in the mailbox, but
none of it has the "old" or "new" flags set.
New mail received
xbiff: new mail
bash: you have new mail (or sometimes just "you have mail")
File: `/var/mail/steve'
Size: 731600 Blocks: 1440 IO Block: 4096 regular file
Device: 807h/2055d Inode: 570084 Links: 1
Access: (0660/-rw-rw----) Uid: ( 1010/ steve) Gid: ( 1010/ steve)
Access: 2009-06-19 10:48:28.000000000 +0100
Modify: 2009-06-19 10:50:35.000000000 +0100
Change: 2009-06-19 10:50:35.000000000 +0100
Run "frm"
xbiff: clear
bash: (no prompt)
File: `/var/mail/steve'
Size: 731600 Blocks: 1440 IO Block: 4096 regular file
Device: 807h/2055d Inode: 570084 Links: 1
Access: (0660/-rw-rw----) Uid: ( 1010/ steve) Gid: ( 1010/ steve)
Access: 2009-06-19 10:51:25.000000000 +0100
Modify: 2009-06-19 10:50:35.000000000 +0100
Change: 2009-06-19 10:50:35.000000000 +0100
Run mutt, read the mail, leave it in the mailbox and exit
xbiff: new mail
bash: (no prompt)
File: `/var/mail/steve'
Size: 731638 Blocks: 1440 IO Block: 4096 regular file
Device: 807h/2055d Inode: 570084 Links: 1
Access: (0660/-rw-rw----) Uid: ( 1010/ steve) Gid: ( 1010/ steve)
Access: 2009-06-19 10:50:35.000000000 +0100
Modify: 2009-06-19 10:50:35.000000000 +0100
Change: 2009-06-19 10:52:02.000000000 +0100
Run mutt a second time and exit immediately
xbiff: clear
bash: (no prompt)
File: `/var/mail/steve'
Size: 731638 Blocks: 1440 IO Block: 4096 regular file
Device: 807h/2055d Inode: 570084 Links: 1
Access: (0660/-rw-rw----) Uid: ( 1010/ steve) Gid: ( 1010/ steve)
Access: 2009-06-19 10:52:40.000000000 +0100
Modify: 2009-06-19 10:50:35.000000000 +0100
Change: 2009-06-19 10:52:40.000000000 +0100
Cheers,
Steve
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