Public bug reported:
The libsmartcols component used by findmnt to draw the filesystem tree
is smart enough to wrap lines in case the output doesn’t fit into the
screen. However, it fails to draw the lines correctly in this case.
Attached patch fixes the problem. Someone more knowledgeable in
libsmartcols internals might want to change the buffer size from an
arbitrary 1024 to something taken from actual data, the best way to do
that eludes me.
Sample of incorrect output:
--%<----
├─/boot /dev/sda1 ext3
rw,relatime,data=ordered
├─/usr /dev/mapper/vgshadow-ubuntu_usr
ext4
rw,noatime,data=ordered
├─/var /dev/mapper/vgshadow-ubuntu_var
ext4
rw,noatime,data=ordered
├─/home /dev/mapper/vgshadow-home
ext4
rw,noatime,data=ordered
└─/srv /dev/mapper/vgshadow-srv
reiserfs
rw,noatime,notail
--%<----
Patch adds missing vertical lines at any level necessary.
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
** Patch added: "libsmartcols-art-fix.diff"
https://bugs.launchpad.net/bugs/1406133/+attachment/4288863/+files/libsmartcols-art-fix.diff
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https://bugs.launchpad.net/bugs/1406133
Title:
findmnt: libsmartcols ASCII art problem [patch]
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