fish-shell/tests/checks/cd.fish

# RUN: %fish -C 'set -g fish %fish' %s

set -g fish (realpath $fish)

# Store pwd to later go back before cleaning up
set -l oldpwd (pwd)

set -l tmp (mktemp -d)
cd $tmp
# resolve CDPATH (issue 6220)
begin
    mkdir -p x
    # CHECK: /{{.*}}/x
    cd x
    pwd

    # CHECK: /{{.*}}/x
    set -lx CDPATH ..
    cd x
    pwd
end
cd $oldpwd
rm -rf $tmp

# Create a test directory to store our stuff.
# macOS likes to return symlinks from (mktemp -d), make sure it does not.
set -l base (realpath (mktemp -d))
set real (realpath (mktemp -d))
set link $base/link
ln -s $real $link
cd $link
prevd
nextd
test "$PWD" = "$link" || echo "\$PWD != \$link:"\n "\$PWD: $PWD"\n "\$link: $link"\n
test (pwd) = "$link" || echo "(pwd) != \$link:"\n "\$PWD: "(pwd)\n "\$link: $link"\n
test (pwd -P) = "$real" || echo "(pwd -P) != \$real:"\n "\$PWD: $PWD"\n "\$real: $real"\n
test (pwd -P -L) = "$link" || echo "(pwd -P -L) != \$link:"\n "\$PWD: $PWD"\n "\$link: $link"\n
# Expect no output on success.

# Create a symlink and verify logical completion.
# create directory $base/through/the/looking/glass
# symlink $base/somewhere/teleport -> $base/through/the/looking/glass
# verify that .. completions work
cd $base
mkdir -p $base/through/the/looking/glass

mkdir -p $base/somewhere
mkdir $base/somewhere/a1
mkdir $base/somewhere/a2
mkdir $base/somewhere/a3
touch $base/through/the/looking/b(seq 1 3)
mkdir $base/through/the/looking/d1
mkdir $base/through/the/looking/d2
mkdir $base/through/the/looking/d3
ln -s $base/through/the/looking/glass $base/somewhere/rabbithole

cd $base/somewhere/rabbithole
echo "ls:"
complete -C'ls ../'
#CHECK: ls:
#CHECK: ../b1
#CHECK: ../b2
#CHECK: ../b3
#CHECK: ../d1/
#CHECK: ../d2/
#CHECK: ../d3/
#CHECK: ../glass/

echo "cd:"
complete -C'cd ../'
#CHECK: cd:
#CHECK: ../a1/
#CHECK: ../a2/
#CHECK: ../a3/
#CHECK: ../rabbithole/


# PWD should be imported and respected by fish
cd $oldpwd
mkdir -p $base/realhome
ln -s $base/realhome $base/linkhome
cd $base/linkhome
set -l real_getcwd (pwd -P)
env HOME=$base/linkhome $fish -c 'echo PWD is $PWD'
#CHECK: PWD is {{.*}}/linkhome


# Do not inherit a virtual PWD that fails to resolve to getcwd (#5647)
env HOME=$base/linkhome PWD=/tmp $fish -c 'echo $PWD' | read output_pwd
test (realpath $output_pwd) = $real_getcwd
and echo "BogusPWD test 1 succeeded"
or echo "BogusPWD test 1 failed: $output_pwd vs $real_getcwd"
#CHECK: BogusPWD test 1 succeeded

env HOME=$base/linkhome PWD=/path/to/nowhere $fish -c 'echo $PWD' | read output_pwd
test (realpath $output_pwd) = $real_getcwd
and echo "BogusPWD test 2 succeeded"
or echo "BogusPWD test 2 failed: $output_pwd vs $real_getcwd"
#CHECK: BogusPWD test 2 succeeded

# $CDPATH
set -g CDPATH $base
cd linkhome
test $PWD = $base/linkhome; and echo Gone to linkhome via CDPATH
#CHECK: Gone to linkhome via CDPATH

set -g CDPATH /tmp
cd $base
test $PWD = $base; and echo Gone to base
#CHECK: Gone to base

cd linkhome
test $PWD = $base/linkhome; and echo Gone to linkhome via implicit . in CDPATH
#CHECK: Gone to linkhome via implicit . in CDPATH

set -g CDPATH ./
cd $base
test $PWD = $base; and echo No crash with ./ CDPATH
#CHECK: No crash with ./ CDPATH

# test for directories beginning with a hyphen
mkdir $base/-testdir
cd $base
cd -- -testdir
test $PWD = $base/-testdir
echo $status
#CHECK: 0

# test a few error cases - nonexistent directory
set -l old_cdpath $CDPATH
set -l old_path $PWD
cd nonexistent
#CHECKERR: cd: The directory 'nonexistent' does not exist
#CHECKERR: {{.*}}/cd.fish (line {{\d+}}):
#CHECKERR: builtin cd $argv
#CHECKERR: ^
#CHECKERR: in function 'cd' with arguments 'nonexistent'
#CHECKERR: called on line {{\d+}} of file {{.*}}/cd.fish

touch file
cd file
#CHECKERR: cd: 'file' is not a directory
#CHECKERR: {{.*}}/cd.fish (line {{\d+}}):
#CHECKERR: builtin cd $argv
#CHECKERR: ^
#CHECKERR: in function 'cd' with arguments 'file'
#CHECKERR: called on line {{\d+}} of file {{.*}}/cd.fish

# a directory that isn't executable
mkdir bad-perms
chmod -x bad-perms
cd bad-perms
#CHECKERR: cd: Permission denied: 'bad-perms'
#CHECKERR: {{.*}}/cd.fish (line {{\d+}}):
#CHECKERR: builtin cd $argv
#CHECKERR: ^
#CHECKERR: in function 'cd' with arguments 'bad-perms'
#CHECKERR: called on line {{\d+}} of file {{.*}}/cd.fish

cd $old_path
mkdir -p cdpath-dir/bad-perms
mkdir -p cdpath-dir/nonexistent
mkdir -p cdpath-dir/file
set CDPATH $PWD/cdpath-dir $old_cdpath

# See that the completions also check the current directory
complete -C'cd ' | string match -q cdpath-dir/
and echo cdpath-dir is in
# CHECK: cdpath-dir is in

# A different directory with the same name that is first in $CDPATH works.
cd bad-perms
cd $old_path
cd nonexistent
cd $old_path
cd file
cd $old_path

# Even if the good dirs are later in $CDPATH most errors still aren't a problem
# - they just cause us to keep looking.
cd $old_path
set CDPATH $old_cdpath $PWD/cdpath-dir
cd nonexistent
cd $old_path
cd bad-perms
# Permission errors are still a problem!
#CHECKERR: cd: Permission denied: 'bad-perms'
#CHECKERR: {{.*}}/cd.fish (line {{\d+}}):
#CHECKERR: builtin cd $argv
#CHECKERR: ^
#CHECKERR: in function 'cd' with arguments 'bad-perms'
#CHECKERR: called on line {{\d+}} of file {{.*}}/cd.fish
cd $old_path
cd file
cd $old_path

# Test that going up to the root directory using .. works
cd /(string split --no-empty -f 1 / (pwd))
cd ..
pwd
#CHECK: /

# cd back before removing the test directory again.
cd $oldpwd
rm -Rf $base
set -g CDPATH ./

# Verify that PWD on-variable events are sent
function __fish_test_changed_pwd --on-variable PWD
    echo "Changed to $PWD"
end
cd /
functions --erase __fish_test_changed_pwd
#CHECK: Changed to /

# Verify that cds don't stomp on each other.
function __fish_test_thrash_cd
    set -l dir (mktemp -d)
    cd $dir
    for i in (seq 50)
        test (/bin/pwd) = $dir
        and test $PWD = $dir
        or echo "cd test failed" 1>&2
        sleep .002
    end
end
__fish_test_thrash_cd |
__fish_test_thrash_cd |
__fish_test_thrash_cd |
__fish_test_thrash_cd |
__fish_test_thrash_cd

cd ""
# CHECKERR: cd: Empty directory '' does not exist
# CHECKERR: {{.*}}/cd.fish (line {{\d+}}):
# CHECKERR: builtin cd $argv
# CHECKERR: ^
# CHECKERR: in function 'cd' with arguments '""'
# CHECKERR: called on line {{\d+}} of file {{.*}}/cd.fish
echo $status
# CHECK: 1

cd (mktemp -d)
ln -s no/such/directory broken-symbolic-link
begin
    set -lx CDPATH
    cd broken-symbolic-link
end
# CHECKERR: cd: '{{.*}}/broken-symbolic-link' is a broken symbolic link to 'no/such/directory'
# CHECKERR: {{.*}}/cd.fish (line {{\d+}}):
# CHECKERR: builtin cd $argv
# CHECKERR: ^
# CHECKERR: in function 'cd' with arguments 'broken-symbolic-link'
# CHECKERR: called on line {{\d+}} of file {{.*}}/cd.fish

# Make sure that "broken symlink" is reported over "no such file or directory".
begin
    set -lx CDPATH other
    cd broken-symbolic-link
end
# CHECKERR: cd: '{{.*}}/broken-symbolic-link' is a broken symbolic link to 'no/such/directory'
# CHECKERR: {{.*}}/cd.fish (line {{\d+}}):
# CHECKERR: builtin cd $argv
# CHECKERR: ^
# CHECKERR: in function 'cd' with arguments 'broken-symbolic-link'
# CHECKERR: called on line {{\d+}} of file {{.*}}/cd.fish

begin
    mkdir -p foo/bar/muf
    set -lx CDPATH foo/bar
    cd muf
    echo $PWD | grep -q ^/ && echo '$PWD is absolute'
    # CHECK: $PWD is absolute
    cd ../../..
end

complete -C'cd .'
# CHECK: ../
# CHECK: ./

# Check that cd works with minimal permissions (issue #10432).
# This is first supported on macOS 12.
# `sysctl kern.osproductversion` emits something like:
#   kern.osproductversion: 14.3.1
# Note that there is no kern.osproductversion under older OS X releases!
#
# NetBSD 10 does not support it.
if test (uname) = NetBSD || begin; test (uname) = "Darwin" && test (sysctl kern.osproductversion 2>/dev/null | string match -r \\d+; or echo 10) -lt 12; end
    # Not supported. Satisfy the CHECKs below.
    echo fake/a
    echo fake/a/b
    echo c
else
    set -l oldpwd (pwd)
    set -l tmp (mktemp -d)
    cd $tmp
    mkdir -p a/b/c
    chmod -r a

    cd a; pwd
    # CHECK: {{.*}}/a

    cd b
    pwd
    ls
    # CHECK: {{.*}}/a/b
    # CHECK: c

    cd $oldpwd
    chmod -R +rx $tmp # we must be able to list the directory to delete its children
    rm -rf $tmp
end