Incorrect path canonicalisation at autocompletion

[Mattias Andrée]

Using Bash 4.4.023, type

cd
mkdir -p 1/2
cd 1/2
touch ../../3
ln -s ~ 4
touch 5
ls 4/../

without pressing enter at the last line,
instead press <tab> twice. 4/ and 5 will
be suggested, but if you press <enter>
you will see that it should suggest the
files in /home.

[Chet Ramey]

Post by Mattias Andrée
Using Bash 4.4.023, type
cd
mkdir -p 1/2
cd 1/2
touch ../../3
ln -s ~ 4
touch 5
ls 4/../
without pressing enter at the last line,
instead press <tab> twice. 4/ and 5 will
be suggested, but if you press <enter>
you will see that it should suggest the> files in /home.

It's not a bug. Bash maintains a logical view of the file system and the
current directory for cd, pwd, and $PWD, as Posix specifies. One of the
consequences is that the pathname of the current directory depends on the
path used to reach it, which affects how bash canonicalizes `..'. Bash is
consistent in its use of this logical view across shell features, which
includes completion.

If you want to see a physical view of the file system, use
`set -o physical'.

[Mattias Andrée]

On Mon, 3 Dec 2018 09:33:48 -0500

Post by Chet Ramey

Post by Mattias Andrée
Using Bash 4.4.023, type
cd
mkdir -p 1/2
cd 1/2
touch ../../3
ln -s ~ 4
touch 5
ls 4/../
without pressing enter at the last line,
instead press <tab> twice. 4/ and 5 will
be suggested, but if you press <enter>
you will see that it should suggest the> files in /home.

It's not a bug. Bash maintains a logical view of the file system and the
current directory for cd, pwd, and $PWD, as Posix specifies. One of the
consequences is that the pathname of the current directory depends on the
path used to reach it, which affects how bash canonicalizes `..'. Bash is
consistent in its use of this logical view across shell features, which
includes completion.
If you want to see a physical view of the file system, use
`set -o physical'.

Is there a way to only get physical view for
completion but logical view for cd, pwd, and $PWD?

[Chet Ramey]

Post by Mattias Andrée
On Mon, 3 Dec 2018 09:33:48 -0500

Post by Chet Ramey

Post by Mattias Andrée
Using Bash 4.4.023, type
cd
mkdir -p 1/2
cd 1/2
touch ../../3
ln -s ~ 4
touch 5
ls 4/../
without pressing enter at the last line,
instead press <tab> twice. 4/ and 5 will
be suggested, but if you press <enter>
you will see that it should suggest the> files in /home.

It's not a bug. Bash maintains a logical view of the file system and the
current directory for cd, pwd, and $PWD, as Posix specifies. One of the
consequences is that the pathname of the current directory depends on the
path used to reach it, which affects how bash canonicalizes `..'. Bash is
consistent in its use of this logical view across shell features, which
includes completion.
If you want to see a physical view of the file system, use
`set -o physical'.

Is there a way to only get physical view for
completion but logical view for cd, pwd, and $PWD?

You can by using set -o physical within a completion function or running
with set -o physical all the time and using `cd -L' and `pwd -L'.

[Mattias Andrée]

On Mon, 3 Dec 2018 09:58:33 -0500

Post by Chet Ramey

Post by Mattias Andrée
On Mon, 3 Dec 2018 09:33:48 -0500

Post by Chet Ramey

Post by Mattias Andrée
Using Bash 4.4.023, type
cd
mkdir -p 1/2
cd 1/2
touch ../../3
ln -s ~ 4
touch 5
ls 4/../
without pressing enter at the last line,
instead press <tab> twice. 4/ and 5 will
be suggested, but if you press <enter>
you will see that it should suggest the> files in /home.

It's not a bug. Bash maintains a logical view of the file system and the
current directory for cd, pwd, and $PWD, as Posix specifies. One of the
consequences is that the pathname of the current directory depends on the
path used to reach it, which affects how bash canonicalizes `..'. Bash is
consistent in its use of this logical view across shell features, which
includes completion.
If you want to see a physical view of the file system, use
`set -o physical'.

Is there a way to only get physical view for
completion but logical view for cd, pwd, and $PWD?

You can by using set -o physical within a completion function or running
with set -o physical all the time and using `cd -L' and `pwd -L'.

Thanks!