commands: simplify CompletePath

This function is overly complex, has code duplication and is not
preserving user input (converting all paths to absolute paths).

Simplify it and avoid converting relative paths to absolute ones.

Add unit tests to ensure it works as expected.

Signed-off-by: Robin Jarry <robin@jarry.cc>
Tested-by: Bence Ferdinandy <bence@ferdinandy.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/commands/testdata/foo/bar.json b/commands/testdata/foo/bar.json
new file mode 100644
index 00000000..0967ef42
--- /dev/null
+++ b/commands/testdata/foo/bar.json
@@ -0,0 +1 @@
+{}