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# $XDG_DATA_HOME can itself be a relative path. So force it to an absolute
# path so we can remove it from any resolved paths below. This is needed
# because the contents of the fish_realpath.out file can't include any $PWD
# data since $PWD isn't under our control.
set -l data_home_realpath (fish_realpath $XDG_DATA_HOME)
# A bogus absolute path is handled correctly and sets a failure status.
if not fish_realpath /this/better/be/an/invalid/path
echo first invalid path handled okay
end
# A non-existent file relative to $PWD fails.
fish_realpath nonexistent-file
# The simplest absolute path should undergo no transformation.
fish_realpath /
# A single symlink to a directory is correctly resolved.
ln -s fish $XDG_DATA_HOME/fish-symlink
set -l real_path (fish_realpath $XDG_DATA_HOME/fish-symlink)
string replace "$data_home_realpath/" "" $real_path
# A nonexistent file relative to a valid symlink to a directory fails.
# This depends on the symlink created by the previous test.
set -l real_path (fish_realpath $XDG_DATA_HOME/fish-symlink/nonexistent-file-relative-to-a-symlink)
# A path with two symlinks, first to a directory, second to a file, is correctly resolved.
ln -s fish $XDG_DATA_HOME/fish-symlink2
touch $XDG_DATA_HOME/fish/real_file
ln -s real_file $XDG_DATA_HOME/fish/symlink_file
set -l real_path (fish_realpath $XDG_DATA_HOME/fish-symlink/symlink_file)
string replace "$data_home_realpath/" "" $real_path
# The $PWD should undergo no further transformations because it should already
# be a "realpath".
set -l real_path (fish_realpath $PWD)
string replace $PWD "pwd-resolved-to-itself" $real_path
exit 0
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