Summary

• Added XDG_CONFIG_DIRS and XDG_DATA_DIRS to the list of environment variables that are split on : delimiter
• These XDG variables now display each path on a separate line in table output, similar to PATH and MANPATH

Changes

• Added constants for xdgConfigDirs and xdgDataDirs
• Updated envSummary() to split these variables when displaying in tabular format
• Updated getEnv() to split these variables when outputting as JSON

Test Plan

• Built project successfully
• Tested is known summary var - XDG variables now split properly
• Tested is known var XDG_DATA_DIRS --json - JSON output returns array
• All existing Go tests pass

Example Output

Before

┃ XDG_DATA_DIRS    ┃ /usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop ┃

After

┃ XDG_DATA_DIRS                         ┃ /usr/share/ubuntu                    ┃
┃                                       ┃ /usr/share/gnome                     ┃
┃                                       ┃ /usr/local/share/                    ┃
┃                                       ┃ /usr/share/                          ┃
┃                                       ┃ /var/lib/snapd/desktop               ┃

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