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52731c480c
Not all distros have a `realpath` command. Provide a function that uses the
real command if available else use the fish builtin.
Fixes #2932
(cherry picked from commit 6c329e8a83)
39 lines
1.6 KiB
Text
39 lines
1.6 KiB
Text
# $XDG_DATA_HOME can itself be a relative path. So force it to an absolute
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# path so we can remove it from any resolved paths below. This is needed
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# because the contents of the fish_realpath.out file can't include any $PWD
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# data since $PWD isn't under our control.
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set -l data_home_realpath (fish_realpath $XDG_DATA_HOME)
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# A bogus absolute path is handled correctly and sets a failure status.
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if not fish_realpath /this/better/be/an/invalid/path
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echo first invalid path handled okay
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end
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# A non-existent file relative to $PWD fails.
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fish_realpath nonexistent-file
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# The simplest absolute path should undergo no transformation.
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fish_realpath /
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# A single symlink to a directory is correctly resolved.
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ln -s fish $XDG_DATA_HOME/fish-symlink
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set -l real_path (fish_realpath $XDG_DATA_HOME/fish-symlink)
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string replace "$data_home_realpath/" "" $real_path
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# A nonexistent file relative to a valid symlink to a directory fails.
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# This depends on the symlink created by the previous test.
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set -l real_path (fish_realpath $XDG_DATA_HOME/fish-symlink/nonexistent-file-relative-to-a-symlink)
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# A path with two symlinks, first to a directory, second to a file, is correctly resolved.
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ln -s fish $XDG_DATA_HOME/fish-symlink2
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touch $XDG_DATA_HOME/fish/real_file
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ln -s real_file $XDG_DATA_HOME/fish/symlink_file
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set -l real_path (fish_realpath $XDG_DATA_HOME/fish-symlink/symlink_file)
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string replace "$data_home_realpath/" "" $real_path
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# The $PWD should undergo no further transformations because it should already
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# be a "realpath".
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set -l real_path (fish_realpath $PWD)
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string replace $PWD "pwd-resolved-to-itself" $real_path
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exit 0
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